Erreur mach 3

maaon Sam 29 Fév 2020 - 8:23

Bonjour, j'ai une erreur dans mach3 : : le diamètre de rayon d'arc diffère de celui de fin d'arc.

J'ai lu quelques pages ici ou que le problème pouvait être un souci de post processeur dans mon soft qui génère le Gcode : dans mon soft, j'ai bien selectionné mach3 G54 comme PP.

J'ai lu aussi que dans les options générales il fallait mettre les distances et I, J et K en incrémental au lieu d'absolu ou encore de mettre un G91.1 en début de programme.

Lorsque je fais cela, mon programme se lance mais j'ai des trajectoires étranges en simulation : au bout de 16 min de programme, seuls 2 grands cercles sont tracés...

Du coup je bloque un peu

Erreur mach 3 03

maaon Sam 29 Fév 2020 - 15:54

Avec le fichier programme ça sera peut être mieux :

Code:: O0001 (This Post Processor is distributed on an "AS IS" BASIS, ) (WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. ) N1 G21 N2 (8MM CRB 2FL 20 LOC) N3 G91 G28 X0 Y0 Z0 N4 T01 M06 N5 S4826 M03 N6 G90 G54 G00 X-98.737 Y46.737 N7 G43 Z2.5 H01 M08 N8 G01 Z-4. F116.47 N9 G17 Y40.929 F465.882 N10 G02 X-96. Y41.45 I2.737 J-6.929 N11 G01 X31.704 N12 G03 X45.721 Y46.336 I0 J22.55 N13 G02 X46.236 Y46.737 I23.279 J-29.336 N14 G01 X-98.737 N15 X-101.937 Y49.937 N16 Y-7.609 N17 G02 X-37.865 Y-2.729 I32.937 J-9.391 N18 G03 X-14.456 Y-17.75 I23.408 J10.729 N19 G01 X96. N20 G02 X100.25 Y-22. I0 J-4.25 N21 G01 Y-34. N22 G02 X96. Y-38.25 I-4.25 J0 N23 G01 X-31.704 N24 G03 X-47.71 Y-43.829 I0 J-25.75 N25 G02 X-59.609 Y-49.937 I-21.29 J26.829 N26 G01 X101.937 N27 Y-40.929 N28 X98.737 N29 G02 X96. Y-41.45 I-2.737 J6.929 N30 G01 X-31.704 N31 G03 X-45.721 Y-46.336 I0 J-22.55 N32 G02 X-46.236 Y-46.737 I-23.279 J29.336 N33 G01 X98.737 N34 Y-40.929 N35 X101.937 N36 Y7.609 N37 G02 X87.453 Y-11.854 I-32.937 J9.391 N38 G01 X89.177 Y-14.55 N39 X96. N40 G02 X98.737 Y-15.071 I0 J-7.45 N41 G01 Y-5.764 N42 G02 X89.177 Y-14.55 I-29.737 J22.764 N43 G01 X87.453 Y-11.854 N44 G02 X37.865 Y2.729 I-18.453 J28.854 N45 G03 X14.456 Y17.75 I-23.408 J-10.729 N46 G01 X-48.823 N47 Y14.55 N48 G02 X-34.956 Y-1.396 I-20.177 J-31.55 N49 G03 X-14.456 Y-14.55 I20.499 J9.396 N50 G01 X48.823 N51 G02 X34.956 Y1.396 I20.177 J31.55 N52 G03 X14.456 Y14.55 I-20.499 J-9.396 N53 G01 X-48.823 N54 Y17.75 N55 X-96. N56 G02 X-97.562 Y18.047 I0 J4.25 N57 G01 X-98.737 Y15.071 N58 Y5.764 N59 G02 X-89.177 Y14.55 I29.737 J-22.764 N60 G01 X-96. N61 G02 X-98.737 Y15.071 I0 J7.45 N62 G01 X-97.562 Y18.047 N63 G02 X-100.25 Y22. I1.562 J3.953 N64 G01 Y34. N65 G02 X-96. Y38.25 I4.25 J0 N66 G01 X31.704 N67 G03 X47.71 Y43.829 I0 J25.75 N68 G02 X59.609 Y49.937 I21.29 J-26.829 N69 G01 X-101.937 N70 Y-7.609 N71 G02 X-37.865 Y-2.729 I32.937 J-9.391 N72 G03 X-14.456 Y-17.75 I23.408 J10.729 N73 G01 X96. N74 G02 X100.25 Y-22. I0 J-4.25 N75 G01 Y-34. N76 G02 X96. Y-38.25 I-4.25 J0 N77 G01 X-31.704 N78 G03 X-47.71 Y-43.829 I0 J-25.75 N79 G02 X-59.609 Y-49.937 I-21.29 J26.829 N80 G01 X101.937 N81 Y-40.929 N82 Y7.609 N83 G02 X37.865 Y2.729 I-32.937 J9.391 N84 G03 X14.456 Y17.75 I-23.408 J-10.729 N85 G01 X-48.823 N86 X-96. N87 G02 X-100.25 Y22. I0 J4.25 N88 G01 Y34. N89 G02 X-96. Y38.25 I4.25 J0 N90 G01 X31.704 N91 G03 X47.71 Y43.829 I0 J25.75 N92 G02 X59.609 Y49.937 I21.29 J-26.829 N93 G01 X-101.937 N94 G00 Z2.5 N95 X-14.456 Y-14.25 N96 G01 Z-4. F116.47 N97 G02 X-34.683 Y-1.271 I0 J22.25 F465.882 N98 G03 X-40.084 Y7.268 I-34.317 J-15.729 N99 G02 X-36.829 Y14.25 I3.255 J2.732 N100 G01 X14.456 N101 G02 X34.683 Y1.271 I0 J-22.25 N102 G03 X40.084 Y-7.268 I34.317 J15.729 N103 G02 X36.829 Y-14.25 I-3.255 J-2.732 N104 G01 X-14.456 N105 G00 Z2.5 N106 X-98.737 Y46.737 N107 Z-1.5 N108 G01 Z-7.583 F116.47 N109 Y40.929 F465.882 N110 G02 X-96. Y41.45 I2.737 J-6.929 N111 G01 X31.704 N112 G03 X45.721 Y46.336 I0 J22.55 N113 G02 X46.236 Y46.737 I23.279 J-29.336 N114 G01 X-98.737 N115 X-101.937 Y49.937 N116 Y-7.609 N117 G02 X-37.865 Y-2.729 I32.937 J-9.391 N118 G03 X-14.456 Y-17.75 I23.408 J10.729 N119 G01 X96. N120 G02 X100.25 Y-22. I0 J-4.25 N121 G01 Y-34. N122 G02 X96. Y-38.25 I-4.25 J0 N123 G01 X-31.704 N124 G03 X-47.71 Y-43.829 I0 J-25.75 N125 G02 X-59.609 Y-49.937 I-21.29 J26.829 N126 G01 X101.937 N127 Y-40.929 N128 X98.737 N129 G02 X96. Y-41.45 I-2.737 J6.929 N130 G01 X-31.704 N131 G03 X-45.721 Y-46.336 I0 J-22.55 N132 G02 X-46.236 Y-46.737 I-23.279 J29.336 N133 G01 X98.737 N134 Y-40.929 N135 X101.937 N136 Y7.609 N137 G02 X87.453 Y-11.854 I-32.937 J9.391 N138 G01 X89.177 Y-14.55 N139 X96. N140 G02 X98.737 Y-15.071 I0 J-7.45 N141 G01 Y-5.764 N142 G02 X89.177 Y-14.55 I-29.737 J22.764 N143 G01 X87.453 Y-11.854 N144 G02 X37.865 Y2.729 I-18.453 J28.854 N145 G03 X14.456 Y17.75 I-23.408 J-10.729 N146 G01 X-48.823 N147 Y14.55 N148 G02 X-34.956 Y-1.396 I-20.177 J-31.55 N149 G03 X-14.456 Y-14.55 I20.499 J9.396 N150 G01 X48.823 N151 G02 X34.956 Y1.396 I20.177 J31.55 N152 G03 X14.456 Y14.55 I-20.499 J-9.396 N153 G01 X-48.823 N154 Y17.75 N155 X-96. N156 G02 X-97.562 Y18.047 I0 J4.25 N157 G01 X-98.737 Y15.071 N158 Y5.764 N159 G02 X-89.177 Y14.55 I29.737 J-22.764 N160 G01 X-96. N161 G02 X-98.737 Y15.071 I0 J7.45 N162 G01 X-97.562 Y18.047 N163 G02 X-100.25 Y22. I1.562 J3.953 N164 G01 Y34. N165 G02 X-96. Y38.25 I4.25 J0 N166 G01 X31.704 N167 G03 X47.71 Y43.829 I0 J25.75 N168 G02 X59.609 Y49.937 I21.29 J-26.829 N169 G01 X-101.937 N170 Y-7.609 N171 G02 X-37.865 Y-2.729 I32.937 J-9.391 N172 G03 X-14.456 Y-17.75 I23.408 J10.729 N173 G01 X96. N174 G02 X100.25 Y-22. I0 J-4.25 N175 G01 Y-34. N176 G02 X96. Y-38.25 I-4.25 J0 N177 G01 X-31.704 N178 G03 X-47.71 Y-43.829 I0 J-25.75 N179 G02 X-59.609 Y-49.937 I-21.29 J26.829 N180 G01 X101.937 N181 Y-40.929 N182 Y7.609 N183 G02 X37.865 Y2.729 I-32.937 J9.391 N184 G03 X14.456 Y17.75 I-23.408 J-10.729 N185 G01 X-48.823 N186 X-96. N187 G02 X-100.25 Y22. I0 J4.25 N188 G01 Y34. N189 G02 X-96. Y38.25 I4.25 J0 N190 G01 X31.704 N191 G03 X47.71 Y43.829 I0 J25.75 N192 G02 X59.609 Y49.937 I21.29 J-26.829 N193 G01 X-101.937 N194 G00 Z2.5 N195 X-14.456 Y-14.25 N196 Z-1.5 N197 G01 Z-7.583 F116.47 N198 G02 X-34.683 Y-1.271 I0 J22.25 F465.882 N199 G03 X-40.084 Y7.268 I-34.317 J-15.729 N200 G02 X-36.829 Y14.25 I3.255 J2.732 N201 G01 X14.456 N202 G02 X34.683 Y1.271 I0 J-22.25 N203 G03 X40.084 Y-7.268 I34.317 J15.729 N204 G02 X36.829 Y-14.25 I-3.255 J-2.732 N205 G01 X-14.456 N206 G00 Z2.5 N207 X-98.737 Y46.737 N208 Z-5.083 N209 G01 Z-11.167 F116.47 N210 Y40.929 F465.882 N211 G02 X-96. Y41.45 I2.737 J-6.929 N212 G01 X31.704 N213 G03 X45.721 Y46.336 I0 J22.55 N214 G02 X46.236 Y46.737 I23.279 J-29.336 N215 G01 X-98.737 N216 X-101.937 Y49.937 N217 Y-7.609 N218 G02 X-37.865 Y-2.729 I32.937 J-9.391 N219 G03 X-14.456 Y-17.75 I23.408 J10.729 N220 G01 X96. N221 G02 X100.25 Y-22. I0 J-4.25 N222 G01 Y-34. N223 G02 X96. Y-38.25 I-4.25 J0 N224 G01 X-31.704 N225 G03 X-47.71 Y-43.829 I0 J-25.75 N226 G02 X-59.609 Y-49.937 I-21.29 J26.829 N227 G01 X101.937 N228 Y-40.929 N229 X98.737 N230 G02 X96. Y-41.45 I-2.737 J6.929 N231 G01 X-31.704 N232 G03 X-45.721 Y-46.336 I0 J-22.55 N233 G02 X-46.236 Y-46.737 I-23.279 J29.336 N234 G01 X98.737 N235 Y-40.929 N236 X101.937 N237 Y7.609 N238 G02 X87.453 Y-11.854 I-32.937 J9.391 N239 G01 X89.177 Y-14.55 N240 X96. N241 G02 X98.737 Y-15.071 I0 J-7.45 N242 G01 Y-5.764 N243 G02 X89.177 Y-14.55 I-29.737 J22.764 N244 G01 X87.453 Y-11.854 N245 G02 X37.865 Y2.729 I-18.453 J28.854 N246 G03 X14.456 Y17.75 I-23.408 J-10.729 N247 G01 X-48.823 N248 Y14.55 N249 G02 X-34.956 Y-1.396 I-20.177 J-31.55 N250 G03 X-14.456 Y-14.55 I20.499 J9.396 N251 G01 X48.823 N252 G02 X34.956 Y1.396 I20.177 J31.55 N253 G03 X14.456 Y14.55 I-20.499 J-9.396 N254 G01 X-48.823 N255 Y17.75 N256 X-96. N257 G02 X-97.562 Y18.047 I0 J4.25 N258 G01 X-98.737 Y15.071 N259 Y5.764 N260 G02 X-89.177 Y14.55 I29.737 J-22.764 N261 G01 X-96. N262 G02 X-98.737 Y15.071 I0 J7.45 N263 G01 X-97.562 Y18.047 N264 G02 X-100.25 Y22. I1.562 J3.953 N265 G01 Y34. N266 G02 X-96. Y38.25 I4.25 J0 N267 G01 X31.704 N268 G03 X47.71 Y43.829 I0 J25.75 N269 G02 X59.609 Y49.937 I21.29 J-26.829 N270 G01 X-101.937 N271 Y-7.609 N272 G02 X-37.865 Y-2.729 I32.937 J-9.391 N273 G03 X-14.456 Y-17.75 I23.408 J10.729 N274 G01 X96. N275 G02 X100.25 Y-22. I0 J-4.25 N276 G01 Y-34. N277 G02 X96. Y-38.25 I-4.25 J0 N278 G01 X-31.704 N279 G03 X-47.71 Y-43.829 I0 J-25.75 N280 G02 X-59.609 Y-49.937 I-21.29 J26.829 N281 G01 X101.937 N282 Y-40.929 N283 Y7.609 N284 G02 X37.865 Y2.729 I-32.937 J9.391 N285 G03 X14.456 Y17.75 I-23.408 J-10.729 N286 G01 X-48.823 N287 X-96. N288 G02 X-100.25 Y22. I0 J4.25 N289 G01 Y34. N290 G02 X-96. Y38.25 I4.25 J0 N291 G01 X31.704 N292 G03 X47.71 Y43.829 I0 J25.75 N293 G02 X59.609 Y49.937 I21.29 J-26.829 N294 G01 X-101.937 N295 G00 Z2.5 N296 X-14.456 Y-14.25 N297 Z-5.083 N298 G01 Z-11.167 F116.47 N299 G02 X-34.683 Y-1.271 I0 J22.25 F465.882 N300 G03 X-40.084 Y7.268 I-34.317 J-15.729 N301 G02 X-36.829 Y14.25 I3.255 J2.732 N302 G01 X14.456 N303 G02 X34.683 Y1.271 I0 J-22.25 N304 G03 X40.084 Y-7.268 I34.317 J15.729 N305 G02 X36.829 Y-14.25 I-3.255 J-2.732 N306 G01 X-14.456 N307 G00 Z2.5 N308 X-98.737 Y46.737 N309 Z-8.667 N310 G01 Z-14.75 F116.47 N311 Y40.929 F465.882 N312 G02 X-96. Y41.45 I2.737 J-6.929 N313 G01 X31.704 N314 G03 X45.721 Y46.336 I0 J22.55 N315 G02 X46.236 Y46.737 I23.279 J-29.336 N316 G01 X-98.737 N317 X-101.937 Y49.937 N318 Y-7.609 N319 G02 X-37.865 Y-2.729 I32.937 J-9.391 N320 G03 X-14.456 Y-17.75 I23.408 J10.729 N321 G01 X96. N322 G02 X100.25 Y-22. I0 J-4.25 N323 G01 Y-34. N324 G02 X96. Y-38.25 I-4.25 J0 N325 G01 X-31.704 N326 G03 X-47.71 Y-43.829 I0 J-25.75 N327 G02 X-59.609 Y-49.937 I-21.29 J26.829 N328 G01 X101.937 N329 Y-40.929 N330 X98.737 N331 G02 X96. Y-41.45 I-2.737 J6.929 N332 G01 X-31.704 N333 G03 X-45.721 Y-46.336 I0 J-22.55 N334 G02 X-46.236 Y-46.737 I-23.279 J29.336 N335 G01 X98.737 N336 Y-40.929 N337 X101.937 N338 Y7.609 N339 G02 X87.453 Y-11.854 I-32.937 J9.391 N340 G01 X89.177 Y-14.55 N341 X96. N342 G02 X98.737 Y-15.071 I0 J-7.45 N343 G01 Y-5.764 N344 G02 X89.177 Y-14.55 I-29.737 J22.764 N345 G01 X87.453 Y-11.854 N346 G02 X37.865 Y2.729 I-18.453 J28.854 N347 G03 X14.456 Y17.75 I-23.408 J-10.729 N348 G01 X-48.823 N349 Y14.55 N350 G02 X-34.956 Y-1.396 I-20.177 J-31.55 N351 G03 X-14.456 Y-14.55 I20.499 J9.396 N352 G01 X48.823 N353 G02 X34.956 Y1.396 I20.177 J31.55 N354 G03 X14.456 Y14.55 I-20.499 J-9.396 N355 G01 X-48.823 N356 Y17.75 N357 X-96. N358 G02 X-97.562 Y18.047 I0 J4.25 N359 G01 X-98.737 Y15.071 N360 Y5.764 N361 G02 X-89.177 Y14.55 I29.737 J-22.764 N362 G01 X-96. N363 G02 X-98.737 Y15.071 I0 J7.45 N364 G01 X-97.562 Y18.047 N365 G02 X-100.25 Y22. I1.562 J3.953 N366 G01 Y34. N367 G02 X-96. Y38.25 I4.25 J0 N368 G01 X31.704 N369 G03 X47.71 Y43.829 I0 J25.75 N370 G02 X59.609 Y49.937 I21.29 J-26.829 N371 G01 X-101.937 N372 Y-7.609 N373 G02 X-37.865 Y-2.729 I32.937 J-9.391 N374 G03 X-14.456 Y-17.75 I23.408 J10.729 N375 G01 X96. N376 G02 X100.25 Y-22. I0 J-4.25 N377 G01 Y-34. N378 G02 X96. Y-38.25 I-4.25 J0 N379 G01 X-31.704 N380 G03 X-47.71 Y-43.829 I0 J-25.75 N381 G02 X-59.609 Y-49.937 I-21.29 J26.829 N382 G01 X101.937 N383 Y-40.929 N384 Y7.609 N385 G02 X37.865 Y2.729 I-32.937 J9.391 N386 G03 X14.456 Y17.75 I-23.408 J-10.729 N387 G01 X-48.823 N388 X-96. N389 G02 X-100.25 Y22. I0 J4.25 N390 G01 Y34. N391 G02 X-96. Y38.25 I4.25 J0 N392 G01 X31.704 N393 G03 X47.71 Y43.829 I0 J25.75 N394 G02 X59.609 Y49.937 I21.29 J-26.829 N395 G01 X-101.937 N396 G00 Z2.5 N397 X-14.456 Y-14.25 N398 Z-8.667 N399 G01 Z-14.75 F116.47 N400 G02 X-34.683 Y-1.271 I0 J22.25 F465.882 N401 G03 X-40.084 Y7.268 I-34.317 J-15.729 N402 G02 X-36.829 Y14.25 I3.255 J2.732 N403 G01 X14.456 N404 G02 X34.683 Y1.271 I0 J-22.25 N405 G03 X40.084 Y-7.268 I34.317 J15.729 N406 G02 X36.829 Y-14.25 I-3.255 J-2.732 N407 G01 X-14.456 N408 G00 Z2.5 N409 X-98.737 Y46.737 N410 Z-12.25 N411 G01 Z-15. F116.47 N412 Y40.929 F465.882 N413 G02 X-96. Y41.45 I2.737 J-6.929 N414 G01 X31.704 N415 G03 X45.721 Y46.336 I0 J22.55 N416 G02 X46.236 Y46.737 I23.279 J-29.336 N417 G01 X-98.737 N418 X-101.937 Y49.937 N419 Y-7.609 N420 G02 X-37.865 Y-2.729 I32.937 J-9.391 N421 G03 X-14.456 Y-17.75 I23.408 J10.729 N422 G01 X96. N423 G02 X100.25 Y-22. I0 J-4.25 N424 G01 Y-34. N425 G02 X96. Y-38.25 I-4.25 J0 N426 G01 X-31.704 N427 G03 X-47.71 Y-43.829 I0 J-25.75 N428 G02 X-59.609 Y-49.937 I-21.29 J26.829 N429 G01 X101.937 N430 Y-40.929 N431 X98.737 N432 G02 X96. Y-41.45 I-2.737 J6.929 N433 G01 X-31.704 N434 G03 X-45.721 Y-46.336 I0 J-22.55 N435 G02 X-46.236 Y-46.737 I-23.279 J29.336 N436 G01 X98.737 N437 Y-40.929 N438 X101.937 N439 Y7.609 N440 G02 X87.453 Y-11.854 I-32.937 J9.391 N441 G01 X89.177 Y-14.55 N442 X96. N443 G02 X98.737 Y-15.071 I0 J-7.45 N444 G01 Y-5.764 N445 G02 X89.177 Y-14.55 I-29.737 J22.764 N446 G01 X87.453 Y-11.854 N447 G02 X37.865 Y2.729 I-18.453 J28.854 N448 G03 X14.456 Y17.75 I-23.408 J-10.729 N449 G01 X-48.823 N450 Y14.55 N451 G02 X-34.956 Y-1.396 I-20.177 J-31.55 N452 G03 X-14.456 Y-14.55 I20.499 J9.396 N453 G01 X48.823 N454 G02 X34.956 Y1.396 I20.177 J31.55 N455 G03 X14.456 Y14.55 I-20.499 J-9.396 N456 G01 X-48.823 N457 Y17.75 N458 X-96. N459 G02 X-97.562 Y18.047 I0 J4.25 N460 G01 X-98.737 Y15.071 N461 Y5.764 N462 G02 X-89.177 Y14.55 I29.737 J-22.764 N463 G01 X-96. N464 G02 X-98.737 Y15.071 I0 J7.45 N465 G01 X-97.562 Y18.047 N466 G02 X-100.25 Y22. I1.562 J3.953 N467 G01 Y34. N468 G02 X-96. Y38.25 I4.25 J0 N469 G01 X31.704 N470 G03 X47.71 Y43.829 I0 J25.75 N471 G02 X59.609 Y49.937 I21.29 J-26.829 N472 G01 X-101.937 N473 Y-7.609 N474 G02 X-37.865 Y-2.729 I32.937 J-9.391 N475 G03 X-14.456 Y-17.75 I23.408 J10.729 N476 G01 X96. N477 G02 X100.25 Y-22. I0 J-4.25 N478 G01 Y-34. N479 G02 X96. Y-38.25 I-4.25 J0 N480 G01 X-31.704 N481 G03 X-47.71 Y-43.829 I0 J-25.75 N482 G02 X-59.609 Y-49.937 I-21.29 J26.829 N483 G01 X101.937 N484 Y-40.929 N485 Y7.609 N486 G02 X37.865 Y2.729 I-32.937 J9.391 N487 G03 X14.456 Y17.75 I-23.408 J-10.729 N488 G01 X-48.823 N489 X-96. N490 G02 X-100.25 Y22. I0 J4.25 N491 G01 Y34. N492 G02 X-96. Y38.25 I4.25 J0 N493 G01 X31.704 N494 G03 X47.71 Y43.829 I0 J25.75 N495 G02 X59.609 Y49.937 I21.29 J-26.829 N496 G01 X-101.937 N497 G00 Z2.5 N498 X-14.456 Y-14.25 N499 Z-12.25 N500 G01 Z-15. F116.47 N501 G02 X-34.683 Y-1.271 I0 J22.25 F465.882 N502 G03 X-40.084 Y7.268 I-34.317 J-15.729 N503 G02 X-36.829 Y14.25 I3.255 J2.732 N504 G01 X14.456 N505 G02 X34.683 Y1.271 I0 J-22.25 N506 G03 X40.084 Y-7.268 I34.317 J15.729 N507 G02 X36.829 Y-14.25 I-3.255 J-2.732 N508 G01 X-14.456 N509 G00 Z2.5 N510 X91.764 Y46.737 N511 G01 Z-4. 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**dh42** Sam 29 Fév 2020 - 18:34

Salut,

Lorsque je fais cela, mon programme se lance mais j'ai des trajectoires étranges en simulation : au bout de 16 min de programme, seuls 2 grands cercles sont tracés...

Oui, suivant le mode de représentation des arcs utilisé par ta FAO, il faut avoir le même mode sélectionné dans Mach3

Ça peut se faire automatiquement via le GCode à l'aide d'une commande G90.1 (absolu) ou G91.1 (incrémental). Attention les commande G90/G91/G90.1/G91.1 ne doivent pas se trouver sur une même ligne de GCode, sinon une des commandes sera ignorée.

Ce réglage peut aussi se faire par défaut dans Mach3 ; dans ce cas il n'est pas nécessaire mettre des commande G90, G91, G90.1 ou G91.1 dans le Gcode.

à régler dans la config générale

ici par exemple
"Distance mode" = absolute (= G90) ... utilisation de coord absolues pour les mouvements en ligne droite (G0 G1)
"IJ Mode" = "inc" (= G91.1) ... utilisation de coord relatives pour les arcs (G2 G3)

Si tu a des "crop circle" un peu partout comme sur ton image, c'est que le mode d'arc n'est pas le bon.

Si tu n'a pas de "crop circle" mais seulement un arc par-ci par-la qui ne passe pas, ou des messages "le diamètre de rayon d'arc diffère de celui de fin d'arc" c'est un autre réglage dans le post processeur ; sur CamBam c'est la "longueur mini des arcs" et le "Rayon maxi des arcs" qui permet de définir des valeurs min/max pour la tailles des arcs compatibles avec le logiciel de pilotage (mach3)

Le problème, c'est que si je passe ton fichier tel quel, avec les mêmes réglages par défaut que sur mon image (absolute et Inc), ça passe sans problème ... peux tu regarder sur quelle ligne ça bloque ?

je suppose que tu a ce message directement à l'ouverture du Gcode ?
pour l'instant ton code tourne depuis 7 min en accéléré (F à 250%) et pas de problème pour l'instant.

a tu la licence Mach3 ? car sans licence, ça peut être aussi un problème de Gcode trop long ; ça met parfois ce message si la dernière ligne utilisable sans licence (au environ de 300 lignes il me semble) est un G2 ou G3.

++
David

maaon Sam 29 Fév 2020 - 19:07

Merci pour la réponse.

J'ai bien la licence Mach 3 et j'ai configuré celui ci avec la doc de la machine mais je crois bien avoir trouvé d'ou venait le problème :

Dans la doc il disaient de lancer mach3 via le mach3 loader et de là j'ai crée une configuration pour ma machine.

Or je viens de lancer cet après midi Le mach 3 loader et après je n'ai pas lancé ma configuration mais j'ai sélectionné mach3 fraisage.

Et là je constate que je n'ai pas la même interface

J'ai paramétré à nouveau mach3 avec les paramètres de ma machine et là en simulation ça a l'air de fonctionner.

Je retourne à l'atelier demain pour vérifier ça.

Je suis assez confus d'avoir été étourdi à ce point et de t'avoir fait perdre du temps à me répondre.

Pour me faire pardonner, je vais concocter un petit tutorial pour une fonction assez méconnue de solidworks.

**dh42** Sam 29 Fév 2020 - 19:28

Ah Ok

Oui, tu peux avoir des tas de config machine différentes, sélectionnables dans le loader (ça lance mach3 avec le fichier de config .xml correspondant à ta machine)

les screenset sont indépendants ; si tu veux un nouveau jeu d'écran, il faut toujours lancer ta config (j'ignore comment elle s’appelle), mais une fois lancé, tu peux changer de jeu d'écran via le menu View/Loadscreen .. la tu peux choisir des fichiers .set qui correspondent à des UI différentes, mais qui ne changent rien à la config machine elle même. Quand tu quitte Mach3, ce jeu d'écran sera mémorisé pour cette config machine.

Si tu veux te faire une icone de lancement sur le bureau qui lance directement la bonne config machine sans passer par le loader, voir ici.

http://www.metabricoleur.com/t9791p500-une-cnc-pour-patrick#327091

++
David

maaon Dim 15 Mar 2020 - 19:36

Bonjour, je pensais avoir résolu tous les problèmes mais j'en ai un qui survient de temps en temps :

Je bride ma planche de 3plis en 19mm sur un martyr, je vérifie mes z en négatifs dans mon programme (-15.125 en avant dernière passe et -17mm en dernière passe : je voulais laisser 2mm en dessous pour ne pas endommager le martyr qui est là en sécurité)

je tangente avec mon brut sur le dessus pour mettre mon z à 0, je lance le programme.

Pas de souci pendant 2 minutes et je m’aperçois que la fraise descend trop profond et entame mon martyr. Je fais un ARU, je remet ma fraise sur le dessus de mon brut et je vois que mon z n'est plus à 0, il est en positif de quelques mm.

Pourquoi mon z se décale pendant mon programme selon vous ?

Merci

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N1212 G01 X-81.952 Y130.209 N1213 X-46.672 Y146.966 N1214 X-38.977 Y133.638 N1215 G03 X-6.041 Y123.491 I21.932 J12.662 N1216 G01 X-5.872 Y123.573 N1217 X28.944 Y132.902 N1218 G02 X88.105 Y133.706 I30.307 J-53.095 N1219 G03 X94.703 Y131.39 I10.787 J20.176 N1220 G01 X96.337 Y131.085 N1221 Y72.185 N1222 X96.206 Y71.841 N1223 G02 X87.013 Y67.532 I-6.822 J2.593 N1224 G03 X77.64 Y67.856 I-5.217 J-15.189 N1225 G01 X77.519 Y67.823 N1226 X76.53 Y67.688 N1227 X74.227 Y66.29 N1228 X72.203 Y64.943 N1229 X70.83 Y63.897 N1230 X69.966 Y63.109 N1231 X69.206 Y62.349 N1232 X68.16 Y61.595 N1233 X67.358 Y61.208 N1234 X66.455 Y60.875 N1235 X64.376 Y60.308 N1236 X61.902 Y59.832 N1237 X59.353 Y59.513 N1238 X57.075 Y59.399 N1239 X53.035 Y59.416 N1240 X50.973 Y59.289 N1241 X48.651 Y59.004 N1242 X46.419 Y58.614 N1243 X44.364 Y58.148 N1244 X42.621 Y57.667 N1245 X39.058 Y56.484 N1246 X37.043 Y55.73 N1247 X35.154 Y54.954 N1248 X33.456 Y54.164 N1249 X31.672 Y53.21 N1250 X28.451 Y51.224 N1251 X26.822 Y50.372 N1252 X25.848 Y49.977 N1253 X24.887 Y49.695 N1254 X23.852 Y49.486 N1255 X22.75 Y49.348 N1256 X21.584 Y49.281 N1257 X20.361 Y49.285 N1258 X18.124 Y49.417 N1259 X12.96 Y49.939 N1260 X11.644 Y49.959 N1261 X10.335 Y49.859 N1262 X8.849 Y49.646 N1263 X3.552 Y48.665 N1264 X3.537 Y48.663 N1265 G03 X-5.947 Y38.993 I1.932 J-11.382 N1266 X-5.151 Y34.557 I6.952 J-1.042 N1267 G02 X-2.085 Y22.644 I-21.607 J-11.913 N1268 G01 Y-17.794 N1269 G02 X-15.687 Y-39.844 I-24.673 J0 N1270 G01 X-25.638 Y-44.841 N1271 G03 X-41.871 Y-69.023 I13.284 J-26.456 N1272 G01 X-42.305 Y-74.659 N1273 G02 X-45.421 Y-79.728 I-6.496 J.501 N1274 G03 X-46.173 Y-81.559 I1.763 J-1.793 N1275 G01 X-46.172 Y-81.575 N1276 Y-138.555 N1277 X-59.167 Y-143.882 N1278 X-98.498 N1279 Y-8.858 N1280 G03 X-98.615 Y-8.575 I-.4 J0 N1281 G40 G01 X-100.086 Y-7.105 N1282 G00 Z3. N1283 Y-11.412 N1284 Z-4.625 N1285 G01 Z-9.5 F347.471 N1286 G41 D21 X-98.615 Y-9.941 F1042.412 N1287 G03 X-98.498 Y-9.658 I-.283 J.283 N1288 G01 Y125.366 F1389.882 N1289 X-84.732 N1290 G03 X-81.759 Y128.764 I0 J3. N1291 G01 X-81.952 Y130.209 N1292 X-46.672 Y146.966 N1293 X-38.977 Y133.638 N1294 G03 X-6.041 Y123.491 I21.932 J12.662 N1295 G01 X-5.872 Y123.573 N1296 X28.944 Y132.902 N1297 G02 X88.105 Y133.706 I30.307 J-53.095 N1298 G03 X94.703 Y131.39 I10.787 J20.176 N1299 G01 X96.337 Y131.085 N1300 Y72.185 N1301 X96.206 Y71.841 N1302 G02 X87.013 Y67.532 I-6.822 J2.593 N1303 G03 X77.64 Y67.856 I-5.217 J-15.189 N1304 G01 X77.519 Y67.823 N1305 X76.53 Y67.688 N1306 X74.227 Y66.29 N1307 X72.203 Y64.943 N1308 X70.83 Y63.897 N1309 X69.966 Y63.109 N1310 X69.206 Y62.349 N1311 X68.16 Y61.595 N1312 X67.358 Y61.208 N1313 X66.455 Y60.875 N1314 X64.376 Y60.308 N1315 X61.902 Y59.832 N1316 X59.353 Y59.513 N1317 X57.075 Y59.399 N1318 X53.035 Y59.416 N1319 X50.973 Y59.289 N1320 X48.651 Y59.004 N1321 X46.419 Y58.614 N1322 X44.364 Y58.148 N1323 X42.621 Y57.667 N1324 X39.058 Y56.484 N1325 X37.043 Y55.73 N1326 X35.154 Y54.954 N1327 X33.456 Y54.164 N1328 X31.672 Y53.21 N1329 X28.451 Y51.224 N1330 X26.822 Y50.372 N1331 X25.848 Y49.977 N1332 X24.887 Y49.695 N1333 X23.852 Y49.486 N1334 X22.75 Y49.348 N1335 X21.584 Y49.281 N1336 X20.361 Y49.285 N1337 X18.124 Y49.417 N1338 X12.96 Y49.939 N1339 X11.644 Y49.959 N1340 X10.335 Y49.859 N1341 X8.849 Y49.646 N1342 X3.552 Y48.665 N1343 X3.537 Y48.663 N1344 G03 X-5.947 Y38.993 I1.932 J-11.382 N1345 X-5.151 Y34.557 I6.952 J-1.042 N1346 G02 X-2.085 Y22.644 I-21.607 J-11.913 N1347 G01 Y-17.794 N1348 G02 X-15.687 Y-39.844 I-24.673 J0 N1349 G01 X-25.638 Y-44.841 N1350 G03 X-41.871 Y-69.023 I13.284 J-26.456 N1351 G01 X-42.305 Y-74.659 N1352 G02 X-45.421 Y-79.728 I-6.496 J.501 N1353 G03 X-46.173 Y-81.559 I1.763 J-1.793 N1354 G01 X-46.172 Y-81.575 N1355 Y-138.555 N1356 X-59.167 Y-143.882 N1357 X-98.498 N1358 Y-8.858 N1359 G03 X-98.615 Y-8.575 I-.4 J0 N1360 G40 G01 X-100.086 Y-7.105 N1361 G00 Z3. N1362 Y-11.412 N1363 Z-6.5 N1364 G01 Z-11.375 F347.471 N1365 G41 D21 X-98.615 Y-9.941 F1042.412 N1366 G03 X-98.498 Y-9.658 I-.283 J.283 N1367 G01 Y125.366 F1389.882 N1368 X-84.732 N1369 G03 X-81.759 Y128.764 I0 J3. N1370 G01 X-81.952 Y130.209 N1371 X-46.672 Y146.966 N1372 X-38.977 Y133.638 N1373 G03 X-6.041 Y123.491 I21.932 J12.662 N1374 G01 X-5.872 Y123.573 N1375 X28.944 Y132.902 N1376 G02 X88.105 Y133.706 I30.307 J-53.095 N1377 G03 X94.703 Y131.39 I10.787 J20.176 N1378 G01 X96.337 Y131.085 N1379 Y72.185 N1380 X96.206 Y71.841 N1381 G02 X87.013 Y67.532 I-6.822 J2.593 N1382 G03 X77.64 Y67.856 I-5.217 J-15.189 N1383 G01 X77.519 Y67.823 N1384 X76.53 Y67.688 N1385 X74.227 Y66.29 N1386 X72.203 Y64.943 N1387 X70.83 Y63.897 N1388 X69.966 Y63.109 N1389 X69.206 Y62.349 N1390 X68.16 Y61.595 N1391 X67.358 Y61.208 N1392 X66.455 Y60.875 N1393 X64.376 Y60.308 N1394 X61.902 Y59.832 N1395 X59.353 Y59.513 N1396 X57.075 Y59.399 N1397 X53.035 Y59.416 N1398 X50.973 Y59.289 N1399 X48.651 Y59.004 N1400 X46.419 Y58.614 N1401 X44.364 Y58.148 N1402 X42.621 Y57.667 N1403 X39.058 Y56.484 N1404 X37.043 Y55.73 N1405 X35.154 Y54.954 N1406 X33.456 Y54.164 N1407 X31.672 Y53.21 N1408 X28.451 Y51.224 N1409 X26.822 Y50.372 N1410 X25.848 Y49.977 N1411 X24.887 Y49.695 N1412 X23.852 Y49.486 N1413 X22.75 Y49.348 N1414 X21.584 Y49.281 N1415 X20.361 Y49.285 N1416 X18.124 Y49.417 N1417 X12.96 Y49.939 N1418 X11.644 Y49.959 N1419 X10.335 Y49.859 N1420 X8.849 Y49.646 N1421 X3.552 Y48.665 N1422 X3.537 Y48.663 N1423 G03 X-5.947 Y38.993 I1.932 J-11.382 N1424 X-5.151 Y34.557 I6.952 J-1.042 N1425 G02 X-2.085 Y22.644 I-21.607 J-11.913 N1426 G01 Y-17.794 N1427 G02 X-15.687 Y-39.844 I-24.673 J0 N1428 G01 X-25.638 Y-44.841 N1429 G03 X-41.871 Y-69.023 I13.284 J-26.456 N1430 G01 X-42.305 Y-74.659 N1431 G02 X-45.421 Y-79.728 I-6.496 J.501 N1432 G03 X-46.173 Y-81.559 I1.763 J-1.793 N1433 G01 X-46.172 Y-81.575 N1434 Y-138.555 N1435 X-59.167 Y-143.882 N1436 X-98.498 N1437 Y-8.858 N1438 G03 X-98.615 Y-8.575 I-.4 J0 N1439 G40 G01 X-100.086 Y-7.105 N1440 G00 Z3. N1441 Y-11.412 N1442 Z-8.375 N1443 G01 Z-13.25 F347.471 N1444 G41 D21 X-98.615 Y-9.941 F1042.412 N1445 G03 X-98.498 Y-9.658 I-.283 J.283 N1446 G01 Y125.366 F1389.882 N1447 X-84.732 N1448 G03 X-81.759 Y128.764 I0 J3. N1449 G01 X-81.952 Y130.209 N1450 X-46.672 Y146.966 N1451 X-38.977 Y133.638 N1452 G03 X-6.041 Y123.491 I21.932 J12.662 N1453 G01 X-5.872 Y123.573 N1454 X28.944 Y132.902 N1455 G02 X88.105 Y133.706 I30.307 J-53.095 N1456 G03 X94.703 Y131.39 I10.787 J20.176 N1457 G01 X96.337 Y131.085 N1458 Y72.185 N1459 X96.206 Y71.841 N1460 G02 X87.013 Y67.532 I-6.822 J2.593 N1461 G03 X77.64 Y67.856 I-5.217 J-15.189 N1462 G01 X77.519 Y67.823 N1463 X76.53 Y67.688 N1464 X74.227 Y66.29 N1465 X72.203 Y64.943 N1466 X70.83 Y63.897 N1467 X69.966 Y63.109 N1468 X69.206 Y62.349 N1469 X68.16 Y61.595 N1470 X67.358 Y61.208 N1471 X66.455 Y60.875 N1472 X64.376 Y60.308 N1473 X61.902 Y59.832 N1474 X59.353 Y59.513 N1475 X57.075 Y59.399 N1476 X53.035 Y59.416 N1477 X50.973 Y59.289 N1478 X48.651 Y59.004 N1479 X46.419 Y58.614 N1480 X44.364 Y58.148 N1481 X42.621 Y57.667 N1482 X39.058 Y56.484 N1483 X37.043 Y55.73 N1484 X35.154 Y54.954 N1485 X33.456 Y54.164 N1486 X31.672 Y53.21 N1487 X28.451 Y51.224 N1488 X26.822 Y50.372 N1489 X25.848 Y49.977 N1490 X24.887 Y49.695 N1491 X23.852 Y49.486 N1492 X22.75 Y49.348 N1493 X21.584 Y49.281 N1494 X20.361 Y49.285 N1495 X18.124 Y49.417 N1496 X12.96 Y49.939 N1497 X11.644 Y49.959 N1498 X10.335 Y49.859 N1499 X8.849 Y49.646 N1500 X3.552 Y48.665 N1501 X3.537 Y48.663 N1502 G03 X-5.947 Y38.993 I1.932 J-11.382 N1503 X-5.151 Y34.557 I6.952 J-1.042 N1504 G02 X-2.085 Y22.644 I-21.607 J-11.913 N1505 G01 Y-17.794 N1506 G02 X-15.687 Y-39.844 I-24.673 J0 N1507 G01 X-25.638 Y-44.841 N1508 G03 X-41.871 Y-69.023 I13.284 J-26.456 N1509 G01 X-42.305 Y-74.659 N1510 G02 X-45.421 Y-79.728 I-6.496 J.501 N1511 G03 X-46.173 Y-81.559 I1.763 J-1.793 N1512 G01 X-46.172 Y-81.575 N1513 Y-138.555 N1514 X-59.167 Y-143.882 N1515 X-98.498 N1516 Y-8.858 N1517 G03 X-98.615 Y-8.575 I-.4 J0 N1518 G40 G01 X-100.086 Y-7.105 N1519 G00 Z3. N1520 Y-11.412 N1521 Z-10.25 N1522 G01 Z-15.125 F347.471 N1523 G41 D21 X-98.615 Y-9.941 F1042.412 N1524 G03 X-98.498 Y-9.658 I-.283 J.283 N1525 G01 Y125.366 F1389.882 N1526 X-84.732 N1527 G03 X-81.759 Y128.764 I0 J3. N1528 G01 X-81.952 Y130.209 N1529 X-46.672 Y146.966 N1530 X-38.977 Y133.638 N1531 G03 X-6.041 Y123.491 I21.932 J12.662 N1532 G01 X-5.872 Y123.573 N1533 X28.944 Y132.902 N1534 G02 X88.105 Y133.706 I30.307 J-53.095 N1535 G03 X94.703 Y131.39 I10.787 J20.176 N1536 G01 X96.337 Y131.085 N1537 Y72.185 N1538 X96.206 Y71.841 N1539 G02 X87.013 Y67.532 I-6.822 J2.593 N1540 G03 X77.64 Y67.856 I-5.217 J-15.189 N1541 G01 X77.519 Y67.823 N1542 X76.53 Y67.688 N1543 X74.227 Y66.29 N1544 X72.203 Y64.943 N1545 X70.83 Y63.897 N1546 X69.966 Y63.109 N1547 X69.206 Y62.349 N1548 X68.16 Y61.595 N1549 X67.358 Y61.208 N1550 X66.455 Y60.875 N1551 X64.376 Y60.308 N1552 X61.902 Y59.832 N1553 X59.353 Y59.513 N1554 X57.075 Y59.399 N1555 X53.035 Y59.416 N1556 X50.973 Y59.289 N1557 X48.651 Y59.004 N1558 X46.419 Y58.614 N1559 X44.364 Y58.148 N1560 X42.621 Y57.667 N1561 X39.058 Y56.484 N1562 X37.043 Y55.73 N1563 X35.154 Y54.954 N1564 X33.456 Y54.164 N1565 X31.672 Y53.21 N1566 X28.451 Y51.224 N1567 X26.822 Y50.372 N1568 X25.848 Y49.977 N1569 X24.887 Y49.695 N1570 X23.852 Y49.486 N1571 X22.75 Y49.348 N1572 X21.584 Y49.281 N1573 X20.361 Y49.285 N1574 X18.124 Y49.417 N1575 X12.96 Y49.939 N1576 X11.644 Y49.959 N1577 X10.335 Y49.859 N1578 X8.849 Y49.646 N1579 X3.552 Y48.665 N1580 X3.537 Y48.663 N1581 G03 X-5.947 Y38.993 I1.932 J-11.382 N1582 X-5.151 Y34.557 I6.952 J-1.042 N1583 G02 X-2.085 Y22.644 I-21.607 J-11.913 N1584 G01 Y-17.794 N1585 G02 X-15.687 Y-39.844 I-24.673 J0 N1586 G01 X-25.638 Y-44.841 N1587 G03 X-41.871 Y-69.023 I13.284 J-26.456 N1588 G01 X-42.305 Y-74.659 N1589 G02 X-45.421 Y-79.728 I-6.496 J.501 N1590 G03 X-46.173 Y-81.559 I1.763 J-1.793 N1591 G01 X-46.172 Y-81.575 N1592 Y-138.555 N1593 X-59.167 Y-143.882 N1594 X-98.498 N1595 Y-8.858 N1596 G03 X-98.615 Y-8.575 I-.4 J0 N1597 G40 G01 X-100.086 Y-7.105 N1598 G00 Z3. N1599 Y-11.412 N1600 Z-12.125 N1601 G01 Z-17. F347.471 N1602 G41 D21 X-98.615 Y-9.941 F1042.412 N1603 G03 X-98.498 Y-9.658 I-.283 J.283 N1604 G01 Y125.366 F1389.882 N1605 X-84.732 N1606 G03 X-81.759 Y128.764 I0 J3. N1607 G01 X-81.952 Y130.209 N1608 X-46.672 Y146.966 N1609 X-38.977 Y133.638 N1610 G03 X-6.041 Y123.491 I21.932 J12.662 N1611 G01 X-5.872 Y123.573 N1612 X28.944 Y132.902 N1613 G02 X88.105 Y133.706 I30.307 J-53.095 N1614 G03 X94.703 Y131.39 I10.787 J20.176 N1615 G01 X96.337 Y131.085 N1616 Y72.185 N1617 X96.206 Y71.841 N1618 G02 X87.013 Y67.532 I-6.822 J2.593 N1619 G03 X77.64 Y67.856 I-5.217 J-15.189 N1620 G01 X77.519 Y67.823 N1621 X76.53 Y67.688 N1622 X74.227 Y66.29 N1623 X72.203 Y64.943 N1624 X70.83 Y63.897 N1625 X69.966 Y63.109 N1626 X69.206 Y62.349 N1627 X68.16 Y61.595 N1628 X67.358 Y61.208 N1629 X66.455 Y60.875 N1630 X64.376 Y60.308 N1631 X61.902 Y59.832 N1632 X59.353 Y59.513 N1633 X57.075 Y59.399 N1634 X53.035 Y59.416 N1635 X50.973 Y59.289 N1636 X48.651 Y59.004 N1637 X46.419 Y58.614 N1638 X44.364 Y58.148 N1639 X42.621 Y57.667 N1640 X39.058 Y56.484 N1641 X37.043 Y55.73 N1642 X35.154 Y54.954 N1643 X33.456 Y54.164 N1644 X31.672 Y53.21 N1645 X28.451 Y51.224 N1646 X26.822 Y50.372 N1647 X25.848 Y49.977 N1648 X24.887 Y49.695 N1649 X23.852 Y49.486 N1650 X22.75 Y49.348 N1651 X21.584 Y49.281 N1652 X20.361 Y49.285 N1653 X18.124 Y49.417 N1654 X12.96 Y49.939 N1655 X11.644 Y49.959 N1656 X10.335 Y49.859 N1657 X8.849 Y49.646 N1658 X3.552 Y48.665 N1659 X3.537 Y48.663 N1660 G03 X-5.947 Y38.993 I1.932 J-11.382 N1661 X-5.151 Y34.557 I6.952 J-1.042 N1662 G02 X-2.085 Y22.644 I-21.607 J-11.913 N1663 G01 Y-17.794 N1664 G02 X-15.687 Y-39.844 I-24.673 J0 N1665 G01 X-25.638 Y-44.841 N1666 G03 X-41.871 Y-69.023 I13.284 J-26.456 N1667 G01 X-42.305 Y-74.659 N1668 G02 X-45.421 Y-79.728 I-6.496 J.501 N1669 G03 X-46.173 Y-81.559 I1.763 J-1.793 N1670 G01 X-46.172 Y-81.575 N1671 Y-138.555 N1672 X-59.167 Y-143.882 N1673 X-98.498 N1674 Y-8.858 N1675 G03 X-98.615 Y-8.575 I-.4 J0 N1676 G40 G01 X-100.086 Y-7.105 N1677 G00 Z3. N1678 Z25. M09 N1679 G91 G28 Z0 N1680 G28 X0 Y0 N1681 M30

**dh42** Dim 15 Mar 2020 - 19:49

Salut

Pourquoi mon z se décale pendant mon programme selon vous ?

Soit tu a des pertes de pas à le remontée du Z (donc il descend plus bas la fois suivante), soit c'est ta fraise qui "glisse" dans la pince et qui sort de plus en plus.

sur l'usinage du pontet, il y a un rapide en Z à chaque passe pour la remonté, peut être tes valeurs d'accélération/velocity pour l'axe Z sont trop optimistes pour cette machine. (Config/motor tuning > Z Axis)

++
David

maaon Lun 16 Mar 2020 - 17:52

Je viens de m’apercevoir d'un truc :

Je lance mach3, je met mes axes à 0, je fais tourner ma broche et avant de lancer le programme, mon outil se déplace en x, en y et en z et la visu indique toujours 0.

Lorsque je lance un programme, les trajectoires sont bonnes au début, ma pièce est usinée à -4mm et rapidement elle plonge de 8 à 10mm mais la visu indique toujours -4mm...

C'est à n'y rien comprendre.

**dh42** Lun 16 Mar 2020 - 21:34

Salut,

C'est à n'y rien comprendre.

Pour ma part, si je lance ton Gcode en simu, tout semble fonctionner normalement. Z à -2, puis à -3.88 à partir de la ligne 24, puis -5.75 à la ligne 40 ... etc.

Assure toi que tu n'a pas des valeurs de longueur d'outil sauvées dans la base de donnée outil ; ton soft fait un GCode bien inutilement compliqué avec des G43 (correction de longueur d'outil) ; au départ il passe en relatif puis fait un G28 .... etc ....

essais de supprimer la ligne N3 (G91 G28 X0 Y0 Z0)

à la ligne N7, laisse uniquement N7 Z3. à la place de N7 G43 Z3. H01 M08

il y a d'autres lignes qui peuvent compliquer l'interprétation, comme N9 G41 D21 X-13.23 Y-.909 F1042.412

Sur ta FAO, tu travaille en centre outil ou avec correction du rayon intégrée ?

++
David

maaon Ven 20 Mar 2020 - 15:31

Bonjour, ne trouvant toujours pas de solution, je me suis mis à cambam qui ne me parait pas trop compliqué à première vue.

J'ai fait un programme pour une pièce simple que voici.

Code:: ( Made using CamBam - http://www.cambam.co.uk ) ( Pièce1 3/20/2020 12:26:28 PM ) ( T0 : 8.0 ) ( CUTVIEWER ) ( FROM/0,0,5 ) ( Select dummy tool to avoid warnings ) ( TOOL/MILL,1,0,20.0,0 ) ( STOCK/BLOCK,160.0,180.0,0.0,80.0,70.0,0.0 ) G21 G90 G91.1 G64 G40 G0 Z5.0 ( T0 : 8.0 ) ( Tool Taper coming soon ) ( TOOL/MILL,8.0,0.0,0.0,0 ) T0 M6 ( Poche1 ) G17 M3 S5000 G0 X0.8 Y48.0 G0 Z1.0 G1 F100.0 Z-3.0 G2 F300.0 X-0.4 Y47.3072 I-0.8 J0.0 G2 Y48.6928 I0.4 J0.6928 G2 X0.8 Y48.0 I0.4 J-0.6928 G1 F100.0 X4.0 G2 F300.0 X-2.0 Y44.5359 I-4.0 J0.0 G2 Y51.4641 I2.0 J3.4641 G2 X4.0 Y48.0 I2.0 J-3.4641 G1 F100.0 X7.2 G2 F300.0 X-3.6 Y41.7646 I-7.2 J0.0 G2 Y54.2354 I3.6 J6.2354 G2 X7.2 Y48.0 I3.6 J-6.2354 G1 F100.0 X10.4 G2 F300.0 X-5.2 Y38.9933 I-10.4 J0.0 G2 Y57.0067 I5.2 J9.0067 G2 X10.4 Y48.0 I5.2 J-9.0067 G1 F100.0 X13.6 G2 F300.0 X-6.8 Y36.2221 I-13.6 J0.0 G2 Y59.7779 I6.8 J11.7779 G2 X13.6 Y48.0 I6.8 J-11.7779 G1 F100.0 X16.8 G2 F300.0 X-8.4 Y33.4508 I-16.8 J0.0 G2 Y62.5492 I8.4 J14.5492 G2 X16.8 Y48.0 I8.4 J-14.5492 G1 F100.0 X20.0 G2 F300.0 X-10.0 Y30.6795 I-20.0 J0.0 G2 Y65.3205 I10.0 J17.3205 G2 X20.0 Y48.0 I10.0 J-17.3205 G1 F100.0 X23.2 G2 F300.0 X-11.6 Y27.9082 I-23.2 J0.0 G2 Y68.0918 I11.6 J20.0918 G2 X23.2 Y48.0 I11.6 J-20.0918 G1 F100.0 X26.4 G2 F300.0 X-13.2 Y25.1369 I-26.4 J0.0 G2 Y70.8631 I13.2 J22.8631 G2 X26.4 Y48.0 I13.2 J-22.8631 G1 F100.0 X29.6 G2 F300.0 X-14.8 Y22.3656 I-29.6 J0.0 G2 Y73.6344 I14.8 J25.6344 G2 X29.6 Y48.0 I14.8 J-25.6344 G1 F100.0 X32.8 G2 F300.0 X-16.4 Y19.5944 I-32.8 J0.0 G2 Y76.4056 I16.4 J28.4056 G2 X32.8 Y48.0 I16.4 J-28.4056 G1 F100.0 X36.0 G2 F300.0 X-18.0 Y16.8231 I-36.0 J0.0 G2 Y79.1769 I18.0 J31.1769 G2 X36.0 Y48.0 I18.0 J-31.1769 G0 Z5.0 G0 X0.8 G0 Z-2.0 G1 F100.0 Z-6.0 G2 F300.0 X-0.4 Y47.3072 I-0.8 J0.0 G2 Y48.6928 I0.4 J0.6928 G2 X0.8 Y48.0 I0.4 J-0.6928 G1 F100.0 X4.0 G2 F300.0 X-2.0 Y44.5359 I-4.0 J0.0 G2 Y51.4641 I2.0 J3.4641 G2 X4.0 Y48.0 I2.0 J-3.4641 G1 F100.0 X7.2 G2 F300.0 X-3.6 Y41.7646 I-7.2 J0.0 G2 Y54.2354 I3.6 J6.2354 G2 X7.2 Y48.0 I3.6 J-6.2354 G1 F100.0 X10.4 G2 F300.0 X-5.2 Y38.9933 I-10.4 J0.0 G2 Y57.0067 I5.2 J9.0067 G2 X10.4 Y48.0 I5.2 J-9.0067 G1 F100.0 X13.6 G2 F300.0 X-6.8 Y36.2221 I-13.6 J0.0 G2 Y59.7779 I6.8 J11.7779 G2 X13.6 Y48.0 I6.8 J-11.7779 G1 F100.0 X16.8 G2 F300.0 X-8.4 Y33.4508 I-16.8 J0.0 G2 Y62.5492 I8.4 J14.5492 G2 X16.8 Y48.0 I8.4 J-14.5492 G1 F100.0 X20.0 G2 F300.0 X-10.0 Y30.6795 I-20.0 J0.0 G2 Y65.3205 I10.0 J17.3205 G2 X20.0 Y48.0 I10.0 J-17.3205 G1 F100.0 X23.2 G2 F300.0 X-11.6 Y27.9082 I-23.2 J0.0 G2 Y68.0918 I11.6 J20.0918 G2 X23.2 Y48.0 I11.6 J-20.0918 G1 F100.0 X26.4 G2 F300.0 X-13.2 Y25.1369 I-26.4 J0.0 G2 Y70.8631 I13.2 J22.8631 G2 X26.4 Y48.0 I13.2 J-22.8631 G1 F100.0 X29.6 G2 F300.0 X-14.8 Y22.3656 I-29.6 J0.0 G2 Y73.6344 I14.8 J25.6344 G2 X29.6 Y48.0 I14.8 J-25.6344 G1 F100.0 X32.8 G2 F300.0 X-16.4 Y19.5944 I-32.8 J0.0 G2 Y76.4056 I16.4 J28.4056 G2 X32.8 Y48.0 I16.4 J-28.4056 G1 F100.0 X36.0 G2 F300.0 X-18.0 Y16.8231 I-36.0 J0.0 G2 Y79.1769 I18.0 J31.1769 G2 X36.0 Y48.0 I18.0 J-31.1769 G0 Z5.0 G0 X0.8 G0 Z-5.0 G1 F100.0 Z-9.0 G2 F300.0 X-0.4 Y47.3072 I-0.8 J0.0 G2 Y48.6928 I0.4 J0.6928 G2 X0.8 Y48.0 I0.4 J-0.6928 G1 F100.0 X4.0 G2 F300.0 X-2.0 Y44.5359 I-4.0 J0.0 G2 Y51.4641 I2.0 J3.4641 G2 X4.0 Y48.0 I2.0 J-3.4641 G1 F100.0 X7.2 G2 F300.0 X-3.6 Y41.7646 I-7.2 J0.0 G2 Y54.2354 I3.6 J6.2354 G2 X7.2 Y48.0 I3.6 J-6.2354 G1 F100.0 X10.4 G2 F300.0 X-5.2 Y38.9933 I-10.4 J0.0 G2 Y57.0067 I5.2 J9.0067 G2 X10.4 Y48.0 I5.2 J-9.0067 G1 F100.0 X13.6 G2 F300.0 X-6.8 Y36.2221 I-13.6 J0.0 G2 Y59.7779 I6.8 J11.7779 G2 X13.6 Y48.0 I6.8 J-11.7779 G1 F100.0 X16.8 G2 F300.0 X-8.4 Y33.4508 I-16.8 J0.0 G2 Y62.5492 I8.4 J14.5492 G2 X16.8 Y48.0 I8.4 J-14.5492 G1 F100.0 X20.0 G2 F300.0 X-10.0 Y30.6795 I-20.0 J0.0 G2 Y65.3205 I10.0 J17.3205 G2 X20.0 Y48.0 I10.0 J-17.3205 G1 F100.0 X23.2 G2 F300.0 X-11.6 Y27.9082 I-23.2 J0.0 G2 Y68.0918 I11.6 J20.0918 G2 X23.2 Y48.0 I11.6 J-20.0918 G1 F100.0 X26.4 G2 F300.0 X-13.2 Y25.1369 I-26.4 J0.0 G2 Y70.8631 I13.2 J22.8631 G2 X26.4 Y48.0 I13.2 J-22.8631 G1 F100.0 X29.6 G2 F300.0 X-14.8 Y22.3656 I-29.6 J0.0 G2 Y73.6344 I14.8 J25.6344 G2 X29.6 Y48.0 I14.8 J-25.6344 G1 F100.0 X32.8 G2 F300.0 X-16.4 Y19.5944 I-32.8 J0.0 G2 Y76.4056 I16.4 J28.4056 G2 X32.8 Y48.0 I16.4 J-28.4056 G1 F100.0 X36.0 G2 F300.0 X-18.0 Y16.8231 I-36.0 J0.0 G2 Y79.1769 I18.0 J31.1769 G2 X36.0 Y48.0 I18.0 J-31.1769 G0 Z5.0 G0 X0.8 G0 Z-8.0 G1 F100.0 Z-12.0 G2 F300.0 X-0.4 Y47.3072 I-0.8 J0.0 G2 Y48.6928 I0.4 J0.6928 G2 X0.8 Y48.0 I0.4 J-0.6928 G1 F100.0 X4.0 G2 F300.0 X-2.0 Y44.5359 I-4.0 J0.0 G2 Y51.4641 I2.0 J3.4641 G2 X4.0 Y48.0 I2.0 J-3.4641 G1 F100.0 X7.2 G2 F300.0 X-3.6 Y41.7646 I-7.2 J0.0 G2 Y54.2354 I3.6 J6.2354 G2 X7.2 Y48.0 I3.6 J-6.2354 G1 F100.0 X10.4 G2 F300.0 X-5.2 Y38.9933 I-10.4 J0.0 G2 Y57.0067 I5.2 J9.0067 G2 X10.4 Y48.0 I5.2 J-9.0067 G1 F100.0 X13.6 G2 F300.0 X-6.8 Y36.2221 I-13.6 J0.0 G2 Y59.7779 I6.8 J11.7779 G2 X13.6 Y48.0 I6.8 J-11.7779 G1 F100.0 X16.8 G2 F300.0 X-8.4 Y33.4508 I-16.8 J0.0 G2 Y62.5492 I8.4 J14.5492 G2 X16.8 Y48.0 I8.4 J-14.5492 G1 F100.0 X20.0 G2 F300.0 X-10.0 Y30.6795 I-20.0 J0.0 G2 Y65.3205 I10.0 J17.3205 G2 X20.0 Y48.0 I10.0 J-17.3205 G1 F100.0 X23.2 G2 F300.0 X-11.6 Y27.9082 I-23.2 J0.0 G2 Y68.0918 I11.6 J20.0918 G2 X23.2 Y48.0 I11.6 J-20.0918 G1 F100.0 X26.4 G2 F300.0 X-13.2 Y25.1369 I-26.4 J0.0 G2 Y70.8631 I13.2 J22.8631 G2 X26.4 Y48.0 I13.2 J-22.8631 G1 F100.0 X29.6 G2 F300.0 X-14.8 Y22.3656 I-29.6 J0.0 G2 Y73.6344 I14.8 J25.6344 G2 X29.6 Y48.0 I14.8 J-25.6344 G1 F100.0 X32.8 G2 F300.0 X-16.4 Y19.5944 I-32.8 J0.0 G2 Y76.4056 I16.4 J28.4056 G2 X32.8 Y48.0 I16.4 J-28.4056 G1 F100.0 X36.0 G2 F300.0 X-18.0 Y16.8231 I-36.0 J0.0 G2 Y79.1769 I18.0 J31.1769 G2 X36.0 Y48.0 I18.0 J-31.1769 G0 Z5.0 G0 X0.8 G0 Z-11.0 G1 F100.0 Z-15.0 G2 F300.0 X-0.4 Y47.3072 I-0.8 J0.0 G2 Y48.6928 I0.4 J0.6928 G2 X0.8 Y48.0 I0.4 J-0.6928 G1 F100.0 X4.0 G2 F300.0 X-2.0 Y44.5359 I-4.0 J0.0 G2 Y51.4641 I2.0 J3.4641 G2 X4.0 Y48.0 I2.0 J-3.4641 G1 F100.0 X7.2 G2 F300.0 X-3.6 Y41.7646 I-7.2 J0.0 G2 Y54.2354 I3.6 J6.2354 G2 X7.2 Y48.0 I3.6 J-6.2354 G1 F100.0 X10.4 G2 F300.0 X-5.2 Y38.9933 I-10.4 J0.0 G2 Y57.0067 I5.2 J9.0067 G2 X10.4 Y48.0 I5.2 J-9.0067 G1 F100.0 X13.6 G2 F300.0 X-6.8 Y36.2221 I-13.6 J0.0 G2 Y59.7779 I6.8 J11.7779 G2 X13.6 Y48.0 I6.8 J-11.7779 G1 F100.0 X16.8 G2 F300.0 X-8.4 Y33.4508 I-16.8 J0.0 G2 Y62.5492 I8.4 J14.5492 G2 X16.8 Y48.0 I8.4 J-14.5492 G1 F100.0 X20.0 G2 F300.0 X-10.0 Y30.6795 I-20.0 J0.0 G2 Y65.3205 I10.0 J17.3205 G2 X20.0 Y48.0 I10.0 J-17.3205 G1 F100.0 X23.2 G2 F300.0 X-11.6 Y27.9082 I-23.2 J0.0 G2 Y68.0918 I11.6 J20.0918 G2 X23.2 Y48.0 I11.6 J-20.0918 G1 F100.0 X26.4 G2 F300.0 X-13.2 Y25.1369 I-26.4 J0.0 G2 Y70.8631 I13.2 J22.8631 G2 X26.4 Y48.0 I13.2 J-22.8631 G1 F100.0 X29.6 G2 F300.0 X-14.8 Y22.3656 I-29.6 J0.0 G2 Y73.6344 I14.8 J25.6344 G2 X29.6 Y48.0 I14.8 J-25.6344 G1 F100.0 X32.8 G2 F300.0 X-16.4 Y19.5944 I-32.8 J0.0 G2 Y76.4056 I16.4 J28.4056 G2 X32.8 Y48.0 I16.4 J-28.4056 G1 F100.0 X36.0 G2 F300.0 X-18.0 Y16.8231 I-36.0 J0.0 G2 Y79.1769 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J6.1488 G2 X7.1 Y-32.0 I3.55 J-6.1488 G1 F100.0 X10.3 G2 F300.0 X-5.15 Y-40.9201 I-10.3 J0.0 G2 Y-23.0799 I5.15 J8.9201 G2 X10.3 Y-32.0 I5.15 J-8.9201 G1 F100.0 X13.5 G2 F300.0 X-6.75 Y-43.6913 I-13.5 J0.0 G2 Y-20.3087 I6.75 J11.6913 G2 X13.5 Y-32.0 I6.75 J-11.6913 G0 Z5.0 G0 X0.7 G0 Z-16.5 G1 F100.0 Z-18.5 G2 F300.0 X-0.35 Y-32.6062 I-0.7 J0.0 G2 Y-31.3938 I0.35 J0.6062 G2 X0.7 Y-32.0 I0.35 J-0.6062 G1 F100.0 X3.9 G2 F300.0 X-1.95 Y-35.3775 I-3.9 J0.0 G2 Y-28.6225 I1.95 J3.3775 G2 X3.9 Y-32.0 I1.95 J-3.3775 G1 F100.0 X7.1 G2 F300.0 X-3.55 Y-38.1488 I-7.1 J0.0 G2 Y-25.8512 I3.55 J6.1488 G2 X7.1 Y-32.0 I3.55 J-6.1488 G1 F100.0 X10.3 G2 F300.0 X-5.15 Y-40.9201 I-10.3 J0.0 G2 Y-23.0799 I5.15 J8.9201 G2 X10.3 Y-32.0 I5.15 J-8.9201 G1 F100.0 X13.5 G2 F300.0 X-6.75 Y-43.6913 I-13.5 J0.0 G2 Y-20.3087 I6.75 J11.6913 G2 X13.5 Y-32.0 I6.75 J-11.6913 ( Contour1 ) S5000 G0 Z5.0 G0 X45.6766 Y-33.5757 G0 Z1.0 G1 F100.0 Z-1.0 G1 F300.0 X63.6766 Y8.4243 G3 X64.0 Y10.0 I-3.6766 J1.5757 G1 Y100.0 G3 X60.0 Y104.0 I-4.0 J0.0 G1 X-60.0 G3 X-64.0 Y100.0 I0.0 J-4.0 G1 Y10.0 G3 X-63.6766 Y8.4243 I4.0 J0.0 G1 X-45.6766 Y-33.5757 G3 X-44.7293 Y-34.9242 I3.6766 J1.5757 G1 X-14.7293 Y-62.9242 G3 X-12.0 Y-64.0 I2.7293 J2.9242 G1 X12.0 G3 X14.7293 Y-62.9242 I0.0 J4.0 G1 X44.7293 Y-34.9242 G3 X45.6766 Y-33.5757 I-2.7293 J2.9242 G1 F100.0 Z-1.5 G1 F300.0 X63.6766 Y8.4243 G3 X64.0 Y10.0 I-3.6766 J1.5757 G1 Y100.0 G3 X60.0 Y104.0 I-4.0 J0.0 G1 X-60.0 G3 X-64.0 Y100.0 I0.0 J-4.0 G1 Y10.0 G3 X-63.6766 Y8.4243 I4.0 J0.0 G1 X-45.6766 Y-33.5757 G3 X-44.7293 Y-34.9242 I3.6766 J1.5757 G1 X-14.7293 Y-62.9242 G3 X-12.0 Y-64.0 I2.7293 J2.9242 G1 X12.0 G3 X14.7293 Y-62.9242 I0.0 J4.0 G1 X44.7293 Y-34.9242 G3 X45.6766 Y-33.5757 I-2.7293 J2.9242 G0 Z5.0 M5 M30

Ce programme contient 2 poches cylindriques de 18.5mm de profondeur, avec des profondeurs de passes faibles : 3mm et un contour peu profond (juste pour marquer le contour de la pièce).
Le brut est du 3plis épicéa en 19mm d'épaisseur, les vitesses d'avances me paraissent correctes pour ce type de bois et je règle la fréquence de rotation au variateur (je tourne autour de 8000 tr/min).
La fraise est une fraise de 8mm de diamètre avec 4 arêtes de coupe.

Je met mes axes à 0 dans mach3 (après avoir tangenté en z à la surface de mon brut)
Je lance le programme, celui ci commence à réaliser la 1ère poche à -3mm.
Tout semble se passer bien sauf que tour après tour, je vois ma fraise s'enfoncer de plus en plus.
Je stoppe le programme pour constater le problème une spirale dont le fond n'est pas plat comme ce devrait être.
Je remonte ma fraise, je tangente à nouveau au dessus de mon brut et là ma visu sur mach3 m'indique +6mm au lieu de 0....

J'ai filmé la scène si ça peut aider à trouver une solution face à un problème qui me dépasse.

usinage_foireux.mp4

Merci

**dh42** Ven 20 Mar 2020 - 18:17

Salut,

Ah oui, c'est bizarre comme résultat, et je confirme que ça ne viens pas du GCode.

Tout semble se passer bien sauf que tour après tour, je vois ma fraise s'enfoncer de plus en plus.

Et que dit la visu Z, elle reste à la valeur de -3mm ou elle augmente aussi au fur et à mesure que ta fraise s'enfonce en spirale ?

Si la visu ne change pas de valeur alors que ton Z continu de de descendre, la seule explication c'est que ton Z est "parasité" par quelque chose.

Un test à faire, fraise "en l'air", c'est de lancer ton usinage broche arrêtée, car souvent c'est elle qui produit des parasites (la broche et/ou le vario) ; si tout se passe normalement broche arrêtée, alors il faudra revoir ton blindage/anti parasitage de la broche/VFD.

Même si ça n'a pas de rapport avec ton problème, tes paramètres d'usinage ne sont pas du tout adaptés à l'usinage du bois, ta fraise tourne trop lentement, et pire encore, ton avance est vraiment trop lente, tu ne fait pas des copeaux mais de la poudre, pas bon du tout pour la durée de vie des fraises.

en principe, on ne descend jamais en dessous de 0.015 mm pour l'avance par dent (quelque soit la matière usinée), donc pour une fraise 4 dents tournant à 8000 tr, l'avance mini acceptable est de:

F(mm/min) = RPM(tr/min)*Z*Fz(mm)

Z, c'est le nombre de dents
Fz, c'est l'avance par dents

donc F = 8000*4*0.015 soit 480mm/min ; et c'est vraiment un minimum pour cette V de rotation, mais en fait, avec une fraise de 8 dans du bois, l'avance par dent serait plutôt de 0.08mm (1/100 du Ø de la fraise) et donc logiquement, pour une rotation à 8000 tr et une fraise 4 dents, l'avance devrait être de 2560mm/min.

Pour ma part, j'ai usiné pas mal de bois à la fraise de 8 - 4 dents (érable et noyer) et mes paramètres étaient les suivants

RPM = 16000 tr/min, avance = 3800 à 4000 mm/min (et c'est un peu "faible", je devrais avancer plus vite, mais ma machine n'était pas fiable au delà de 4000 mm/min)

Un exemple ici avec une fraise de 8 - 4 dents, et si j'ai réduit à 3000 mm/min en avance, c'est que ma pièce ne supportait pas une avance à 4000 (casse de la pièce elle même, trop fragile)

http://www.metabricoleur.com/t5721-video-usinage-ebauche-bois#97455

++
David

maaon Ven 20 Mar 2020 - 22:20

Bonsoir. Concernant la visu elle maintient l'affichage à -3mm même lorsque la fraise s'enfonce de façon autonome de 7 ou 8mm.
J'ai fait un essai à blanc fraise en l'air. Je ne l'ai pas laissé tourner jusqu'au bout car la broche était obeissante pendant la première minute.

Concernant les vitesses d'avances, je sais quelles sont très faibles. Je voulais essayer comme ça car je me demandais si ma fraise ne s'enfonçait pas à cause des efforts de coupe.

Je note le parasitage, j'ai fait un autre essai avec le même programme et là la fraise est restée à -3mm pendant 5 ou 6 tours lors de la réalisation de la poche et s'est enfoncée après. De plus certains programmes ont marché nickel.
J'ai par contre déjà eu des décalages en x et en y avec d'autres programmes.

Le parasitage peut il être du à mon téléphone mobile (j'ai un vieux Nokia 6310i) et il n'a pas toujours été avec moi à l'atelier ?

Pour blinder les cables, comment faut-il procéder ? Je suppose avec une tresse de blindage. Quels modèles choisir?

Merci

**dh42** Sam 21 Mar 2020 - 18:15

Salut,

J'ai fait un essai à blanc fraise en l'air. Je ne l'ai pas laissé tourner jusqu'au bout car la broche était obeissante pendant la première minute.

Il faut tester et re-tester et re-re-tester pour être bien sûr que c'est ça, car on a parfois des surprises en croyant avoir trouvé le problème alors que c'est juste un coup de chance que ça marche à ce moment la What a Face

Le parasitage peut il être du à mon téléphone mobile (j'ai un vieux Nokia 6310i) et il n'a pas toujours été avec moi à l'atelier ?

Je ne sais pas du tout, mais je doute un peu vu que presque tout le monde en a, on aurais déjà eu des échos ... Very Happy

Pour blinder les cables, comment faut-il procéder ? Je suppose avec une tresse de blindage. Quels modèles choisir?

Déjà il faut vérifier s'il n'est pas déjà blindé (le câble tri entre le VFD et la broche) ; normalement il y a une tresse métallique juste sous l'isolant extérieur et qui doit être reliée à la masse. Il faut aussi mettre un filtre de ligne sur l'entrée du vario. (filtre EMI)

exemple de 4 x 1.5mm² blindé (shielded) = série CY

https://www.sorotec.de/shop/Control-Cable-OeLFLEX--FD-CLASSIC-810-CY-4-x-1-5-mm-.html

Tu peux aussi voir, si il y a possibilité de le déplacer, si le fait de changer le vario de place à un effet. (je ne me rappelle pas si c'est un intégré dans le controleur ou un externe)

++
David

maaon Sam 21 Mar 2020 - 18:21

Je viens de faire plusieurs essais fraise en l'air avec ce programme (j'ai mis une profondeur finale faible pour que cela finisse plus vite).
Sans aucun téléphone à proximité.

J'ai fais mon 0 en z au dessus d'une cale de 10 mm afin que je puisse facilement contrôler à la fin que mon 0 en z n'ai pas bougé.

Code:: ( Made using CamBam - http://www.cambam.co.uk ) ( solution2-haut_passe_1mm 3/21/2020 5:41:29 PM ) ( T0 : 8.0 ) ( CUTVIEWER ) ( FROM/0,0,5 ) ( Select dummy tool to avoid warnings ) ( TOOL/MILL,1,0,20.0,0 ) ( STOCK/BLOCK,154.0,190.0,0.0,77.0,95.0,0.0 ) G21 G90 G91.1 G64 G40 G0 Z5.0 ( T0 : 8.0 ) ( Tool Taper coming soon ) ( TOOL/MILL,8.0,0.0,0.0,0 ) T0 M6 ( Contour1 ) G17 M3 S10000 G0 X-31.5365 Y77.5 G0 Z1.0 G1 F300.0 Z-0.5 G1 F800.0 X-52.0 G3 X-60.0 Y69.5 I0.0 J-8.0 G1 Y62.5 G3 X-55.0 Y57.5 I5.0 J0.0 G1 X-17.0 G3 X-12.0 Y62.5 I0.0 J5.0 G2 X12.0 I12.0 J0.0 G3 X17.0 Y57.5 I5.0 J0.0 G1 X55.0 G3 X60.0 Y62.5 I0.0 J5.0 G1 Y69.5 G3 X52.0 Y77.5 I-8.0 J0.0 G1 X31.5365 G1 X18.6062 Y90.9634 G3 X15.0 Y92.5 I-3.6062 J-3.4634 G1 X-15.0 G3 X-18.6062 Y90.9634 I0.0 J-5.0 G1 X-31.5365 Y77.5 ( Contour2 ) S10000 G0 Z5.0 G0 X55.0 Y57.5 G0 Z0.5 G1 F300.0 Z-0.5 G1 F800.0 X17.0 G3 X12.0 Y52.5 I0.0 J-5.0 G2 X-12.0 I-12.0 J0.0 G3 X-17.0 Y57.5 I-5.0 J0.0 G1 X-55.0 G3 X-60.0 Y52.5 I0.0 J-5.0 G1 Y45.5 G3 X-52.0 Y37.5 I8.0 J0.0 G1 X-29.406 G1 Y32.1891 G2 X-31.4156 Y24.6891 I-15.0 J0.0 G1 X-51.8301 Y-10.6699 G2 X-55.0 Y-12.5 I-3.1699 J1.8301 G1 X-67.0 G3 X-75.0 Y-20.5 I0.0 J-8.0 G1 Y-27.5 G3 X-70.0 Y-32.5 I5.0 J0.0 G1 X-40.0 G3 X-35.0 Y-27.5 I0.0 J5.0 G2 X35.0 I35.0 J0.0 G3 X40.0 Y-32.5 I5.0 J0.0 G1 X70.0 G3 X75.0 Y-27.5 I0.0 J5.0 G1 Y-20.5 G3 X67.0 Y-12.5 I-8.0 J0.0 G1 X55.0 G2 X51.8301 Y-10.6699 I0.0 J3.6603 G1 X31.4156 Y24.6891 G2 X29.406 Y32.1891 I12.9904 J7.5 G1 Y37.5 G1 X52.0 G3 X60.0 Y45.5 I0.0 J8.0 G1 Y52.5 G3 X55.0 Y57.5 I-5.0 J0.0 ( Contour3 ) S10000 G0 Z5.0 G0 X34.4889 Y-89.7023 G0 Z1.0 G1 F300.0 Z-0.5 G1 F800.0 X51.8987 Y-54.2161 G2 X55.0 Y-52.5 I3.1013 J-1.9441 G1 X67.0 G3 X75.0 Y-44.5 I0.0 J8.0 G1 Y-37.5 G3 X70.0 Y-32.5 I-5.0 J0.0 G1 X40.0 G3 X35.0 Y-37.5 I0.0 J-5.0 G2 X-35.0 I-35.0 J0.0 G3 X-40.0 Y-32.5 I-5.0 J0.0 G1 X-70.0 G3 X-75.0 Y-37.5 I0.0 J-5.0 G1 Y-44.5 G3 X-67.0 Y-52.5 I8.0 J0.0 G1 X-55.0 G2 X-51.8987 Y-54.2161 I0.0 J-3.6603 G1 X-34.4889 Y-89.7023 G3 X-30.0 Y-92.5 I4.4889 J2.2023 G1 X30.0 G3 X34.4889 Y-89.7023 I0.0 J5.0 G0 Z5.0 M5 M30

J'ai fais le 1er essai sans faire tourner la broche et là nickel. En tout cas en z, à la fin du programme lorsque je me met à 0, ma cale rentre pile poil sous la fraise.

Lors du 2ème essai, je fais tourner la broche au variateur et là, je vois clairement ma fraise descendre pendant l'usinage. le phénomène s'amplifie en augmentant la fréquence de rotation....
Je dois interrompre le programme avant la fin car la pièce allait attaquer mon brut. Elle était descendue toute seule de quasiment 10mm...

Je ne suis pas sur que ce soit un problème de blindage des câbles du coup...

Je ne sais pas si c'est déjà arrivé à quelqu'un...

Merci

**dh42** Sam 21 Mar 2020 - 19:42

Je ne sais pas si c'est déjà arrivé à quelqu'un...

Oh, je verrais bien quelqu'un qui à collectionné toutes les bizarreries qu'une CN peut faire ces quelque derniers mois, dont un Z baladeur Very Happy

s'il se reconnait jesors

ton câble de broche ne passe pas trop près du moteur Z ?

++
David

maaon Sam 21 Mar 2020 - 22:21

Ma cnc est celle ci : http://www.cnc-shop.ch/cnc6040.htm

Tu penses que les câbles qui passent à l'arrière dans la goulotte sont trop près du moteur de la broche et que le champ magnétique perturbe les signaux ?

Cela expliquerait peut être pourquoi je n'ai parfois eu aucun problème. Peut être que dans ces usinages ma broche était plus basse en z. De mémoire j'usinais des pièces moins épaisses et elles étaient montées sur des martyrs moins hauts...

**dh42** Sam 21 Mar 2020 - 22:30

Re

Tu l'a achetée neuve ? si c'est le cas, essais de joindre Jérome, il connais peut être le problème.

Le moteur du Z à pourtant l'air bien protégé sous son carter en ferraille, et loin du câble de la broche scratch

Vérifie toutes tes masses, peut être y en a t'il une de débranchée ; met une touche de ton multimètre en mode "test de continuité" sur la broche de la prise de terre (sur le connecteur d'alim 220V à l'arrière du controleur - machine débranchée du secteur) et avec l'autre touche, vérifie que tout est à la masse ; carcasse du controleur, tout les éléments métalliques de la machine et corps de broche. Assure toi aussi que la terre de la prise sur laquelle tu branche la machine est OK.

++
David

**dh42** Sam 21 Mar 2020 - 22:38

re

Il faudrait aussi voir à l'arrière du controleur si tu n'a pas les câbles moteur et/ou port // qui passent trop près du câble de la broche ... et surtout, ne pas enrouler les câbles sur eux mêmes, ça chope encore plus de parasites !!

c'est un pb que j'avais eu sur la mienne, le simple fait de déplacer le contrôleur pour nettoyer un peu, puis de le remettre en place avait fait passer le câble 220v de la broche (pourtant une simple Kress) tout contre le câble // ... et j'avais des pertes de pas dès que la broche demandait de la puissance. (+ d'A dans le fil = + de rayonnement électromagnétique)

au fait, tu est en port // ou en USB ?

++
David

maaon Sam 21 Mar 2020 - 23:24

Je suis en port // et j'ai acheté cette machine d'occasion. Le vendeur l'avait peu utilisée et m'a dit qu'elle n'avait aucun souci. Je l'ai eu souvent au téléphone et il me paraît honnête.

Par contre c'est un peu le bordel à l'arrière avec mes câbles. Demain je met de l'ordre dans tout ça et je contrôle les masses si j'arrive à retrouver mon multimètre.

Merci pour ces renseignements.

**dh42** Sam 21 Mar 2020 - 23:48

C'est chiant ces parasites ; j'ai eu le même problème avec une petite 6040 qui marchait bien chez moi, mais dont l'USB se déconnectait dès qu'on mettait la broche en route chez son propriétaire ...

Ce que j'aime moyen sur ta 6040, c'est le fait que le câble tri 400Hz de la broche passe dans les goulottes et chaines de câble avec les câbles moteur ; sur la mienne le câble de broche descend du plafond (en suivant le tuyau de l'aspi) et ne passe à coté d'aucun autre câble ... mais avec un vario séparé du controleur, c'est plus simple ...

si tu n'arrive à rien en rangeant les câbles à l'arrière, tu peux essayer de déposer la broche de son support et l'éloigner du moteur PàP pour voir si tu a tj des perturbations sur un test "en l'air" ; si ça ne change rien c'est que ce n'est pas le moteur de broche lui même qui perturbe le PàP, mais soit le câble tri qui passe à coté des câbles moteurs dans les chaines de câbles, soit directement au niveau du controleur un parasitage du signal STEP/DIR.

note que le câble // est très sensible aux parasites, donc l'éloigner au max de tout le reste, et surtout du câble tri 400Hz de la broche.

il y a toutefois plus de chances que ce soit ton câble // qui se fasse parasiter que les câbles moteur eux mêmes, car dans le câble // il ne passe que des signaux faibles (commande STEP/DIR) qui peuvent facilement être parasités alors que dans les câbles moteurs c'est du courant de puissance et je pense qu'il en faut beaucoup pour arriver à générer des parasites suffisamment puissants pour générer des "fausses" impulsions dans un circuit de puissance.

assure toi aussi que tu n'a aucun câble "en l'air", c'est à dire par exemple branché sur le controleur d'un coté, mais sur rien de l'autre (ex: le câble pour le moteur du 4ieme axe si tu en a un) ; tout câble "en l'air" se comporte comme une antenne et "chope" des parasites facilement.

++
David

**nagut** Dim 22 Mar 2020 - 8:17

je ne pense pas que se soit le mème problème, mais j'ai eu un truc similaire avec l'axe A

Il se mettait à tourner tout doucement dès que je lançais la broche sans rien lui demander; le driver de l'axe A était une petite carte
j'ai monté un driver un peu plus sérieux et plus de problèmes

bon la mienne venait de chine, mais toi, cnc shop c'est du sérieux.

maaon Dim 22 Mar 2020 - 17:50

Bonjour, un grand merci à vous, car enfin ça marche !

J'ai réorganisé tout mes câbles, en éloignant les câbles de forte puissance de mon câble de port parallèle.
J'ai blindé mon câble de port parallèle et en sortant tout les câbles, je me suis aperçu que l'écrou du câble d'alimentation de la broche était légèrement dévissé. Il a du se dévisser à cause des vibrations. Ma machine rentre en résonance à certaines fréquences de rotation.

Je vais me fabriquer un meuble dédié à la machine et monter celle-ci sur silentblocs afin de réduire les vibrations.

En tout cas encore merci à vous.

**dh42** Dim 22 Mar 2020 - 23:42

Salut,

Bonjour, un grand merci à vous, car enfin ça marche !

Et un parasite d'éliminé ! ... dommage que ce ne soit pas aussi simple avec Corona !!

++
David

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Nouvel essai.

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