author | Michael Krelin <hacker@klever.net> | 2018-08-06 11:50:50 (UTC) |
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committer | Michael Krelin <hacker@klever.net> | 2018-08-06 11:50:50 (UTC) |
commit | 1d8f93c354df4effca90d355841d189ecdec7a27 (patch) (unidiff) | |
tree | 23fba408f025c5ebff445ff57bbbe2823c0c24d4 | |
parent | 33bc5b6d63d542af268a3af98a7f07c57cce73a4 (diff) | |
download | extrudery-1d8f93c354df4effca90d355841d189ecdec7a27.zip extrudery-1d8f93c354df4effca90d355841d189ecdec7a27.tar.gz extrudery-1d8f93c354df4effca90d355841d189ecdec7a27.tar.bz2 |
a bit of rework and addition of debug cutouts
-rw-r--r-- | another.scad | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/another.scad b/another.scad index 3d804c1..03f3bf9 100644 --- a/another.scad +++ b/another.scad | |||
@@ -188,49 +188,48 @@ module the_extruder( | |||
188 | }//lever module | 188 | }//lever module |
189 | 189 | ||
190 | module body() { | 190 | module body() { |
191 | difference() { | 191 | difference() { |
192 | union() { | 192 | union() { |
193 | cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d); | 193 | cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d); |
194 | // finger and spring support | 194 | // finger and spring support |
195 | fsw = gearbox_d-(gearbox_d-mount_d)/2-spring_lc; | 195 | fsw = gearbox_d-(gearbox_d-mount_d)/2-spring_lc; |
196 | translate([-gearbox_d/2,0,0]) difference() { | 196 | translate([-gearbox_d/2,0,0]) difference() { |
197 | union() { | 197 | union() { |
198 | hull() { | 198 | hull() { |
199 | translate([0,-longwing,ls_z]) | 199 | translate([0,-longwing,ls_z]) |
200 | rotate([0,90,0]) | 200 | rotate([0,90,0]) |
201 | cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness); | 201 | cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness); |
202 | hh=body_h-ls_z; | 202 | hh=body_h-ls_z; |
203 | translate([0,0,ls_z-lever_thickness/2]) | 203 | translate([0,0,ls_z-lever_thickness/2]) |
204 | mirror([0,1,0]) cube(size=[fsw,longwing-hh+lever_thickness/sqrt(2),hh+lever_thickness/2]); | 204 | mirror([0,1,0]) cube(size=[fsw,longwing-hh+lever_thickness/sqrt(2),hh+lever_thickness/2]); |
205 | hhh=ls_z; | 205 | hhh=ls_z; |
206 | translate([0,0,0]) | 206 | translate([0,0,0]) |
207 | mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]); | 207 | mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]); |
208 | } | 208 | } |
209 | } | 209 | } |
210 | translate([0,-longwing,ls_z]) rotate([0,-90,0]) { | 210 | translate([0,-longwing,ls_z]) rotate([0,-90,0]) { |
211 | if(!tensioner) finger_indent(d=lever_thickness-1,r=15); else { | 211 | if(!tensioner) finger_indent(d=lever_thickness-1,r=15); else { |
212 | if(debug) translate([0,-lever_thickness/2-1,-gearbox_d]) cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); | ||
213 | mirror([0,0,1]) { | 212 | mirror([0,0,1]) { |
214 | translate([0,0,st_thickshell]) | 213 | translate([0,0,st_thickshell]) |
215 | hull() for(o=[0,spring_d]) translate([0,-o,0]) | 214 | hull() for(o=[0,spring_d]) translate([0,-o,0]) |
216 | rotate([0,0,30]) | 215 | rotate([0,0,30]) |
217 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); | 216 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); |
218 | translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=fnd*st_screw_d); | 217 | translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=fnd*st_screw_d); |
219 | bigd = spring_d+spring_d_clearance; | 218 | bigd = spring_d+spring_d_clearance; |
220 | hf = (bigd-st_screw_d)/2; | 219 | hf = (bigd-st_screw_d)/2; |
221 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) | 220 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) |
222 | cylinder(d1=st_screw_d,d2=bigd, | 221 | cylinder(d1=st_screw_d,d2=bigd, |
223 | h=hf+epsilon, $fn=fnd*bigd); | 222 | h=hf+epsilon, $fn=fnd*bigd); |
224 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) | 223 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) |
225 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); | 224 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); |
226 | } | 225 | } |
227 | } | 226 | } |
228 | } | 227 | } |
229 | } // translate | 228 | } // translate |
230 | 229 | ||
231 | // pushfit bracket | 230 | // pushfit bracket |
232 | translate([0,0,filament_elevation]) | 231 | translate([0,0,filament_elevation]) |
233 | rotate([0,0,45]) translate([pulley_d/2,0,0]) | 232 | rotate([0,0,45]) translate([pulley_d/2,0,0]) |
234 | rotate([-90,0,0]) | 233 | rotate([-90,0,0]) |
235 | translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) | 234 | translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) |
236 | cylinder(r=min(body_h-filament_elevation,filament_elevation)/sin(60)-epsilon,h=pf_h(pf)+gearbox_d/2/*TODO:*/,$fn=6); | 235 | cylinder(r=min(body_h-filament_elevation,filament_elevation)/sin(60)-epsilon,h=pf_h(pf)+gearbox_d/2/*TODO:*/,$fn=6); |
@@ -289,54 +288,48 @@ module the_extruder( | |||
289 | translate([0,-ls_h/2]) | 288 | translate([0,-ls_h/2]) |
290 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, | 289 | square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, |
291 | ls_h]); | 290 | ls_h]); |
292 | cylinder(d=bore_d/2/*TODO:recalculate angles based on this, | 291 | cylinder(d=bore_d/2/*TODO:recalculate angles based on this, |
293 | too lazy to do that now*/, | 292 | too lazy to do that now*/, |
294 | h=ls_h,center=true); | 293 | h=ls_h,center=true); |
295 | } | 294 | } |
296 | 295 | ||
297 | rotate([0,0,-45]) | 296 | rotate([0,0,-45]) |
298 | translate([0,0,ls_z-ls_h/2]) | 297 | translate([0,0,ls_z-ls_h/2]) |
299 | cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]); | 298 | cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]); |
300 | translate([0,0,ls_z-ls_h/2]) { | 299 | translate([0,0,ls_z-ls_h/2]) { |
301 | translate([mount_screwhead_d/2,0,0]) | 300 | translate([mount_screwhead_d/2,0,0]) |
302 | mirror([0,1,0]) | 301 | mirror([0,1,0]) |
303 | cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); | 302 | cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); |
304 | } | 303 | } |
305 | //translate([-mount_d/2,-longwing,filament_elevation]) | 304 | //translate([-mount_d/2,-longwing,filament_elevation]) |
306 | if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */ | 305 | if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */ |
307 | translate([mount_d/2,-longwing,filament_elevation]) | 306 | translate([mount_d/2,-longwing,filament_elevation]) |
308 | rotate([0,-90,0]) difference() { | 307 | rotate([0,-90,0]) difference() { |
309 | cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); | 308 | cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); |
310 | translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 309 | translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
311 | } | 310 | } |
312 | 311 | ||
313 | if(debug) { | ||
314 | translate([mount_d/2,0,-1]) | ||
315 | rotate([0,0,-45]) | ||
316 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+2]); | ||
317 | } | ||
318 | |||
319 | }//difference | 312 | }//difference |
320 | 313 | ||
321 | if(supports) intersection() { | 314 | if(supports) intersection() { |
322 | difference() { | 315 | difference() { |
323 | translate([0,0,ls_z-ls_h/2-epsilon]) | 316 | translate([0,0,ls_z-ls_h/2-epsilon]) |
324 | cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); | 317 | cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); |
325 | cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); | 318 | cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); |
326 | } | 319 | } |
327 | // supports | 320 | // supports |
328 | // TODO: hardcoded stuff below… | 321 | // TODO: hardcoded stuff below… |
329 | if(false) { // parallel | 322 | if(false) { // parallel |
330 | for(y=[-gearbox_d:4:gearbox_d]) | 323 | for(y=[-gearbox_d:4:gearbox_d]) |
331 | translate([0,y-extrusion_width/2,0]) | 324 | translate([0,y-extrusion_width/2,0]) |
332 | cube(size=[gearbox_d,extrusion_width,body_h]); | 325 | cube(size=[gearbox_d,extrusion_width,body_h]); |
333 | }else{ // radial | 326 | }else{ // radial |
334 | for(zr=[-65:(65+50)/7:50]) | 327 | for(zr=[-65:(65+50)/7:50]) |
335 | rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) | 328 | rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) |
336 | cube(size=[gearbox_d,extrusion_width,body_h]); | 329 | cube(size=[gearbox_d,extrusion_width,body_h]); |
337 | } | 330 | } |
338 | } | 331 | } |
339 | 332 | ||
340 | }//body module | 333 | }//body module |
341 | 334 | ||
342 | module springpad() { | 335 | module springpad() { |
@@ -364,41 +357,67 @@ module the_extruder( | |||
364 | difference() { | 357 | difference() { |
365 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); | 358 | cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); |
366 | translate([0,0,-1]) difference() { | 359 | translate([0,0,-1]) difference() { |
367 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); | 360 | cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); |
368 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) | 361 | translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) |
369 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); | 362 | cube([bore_d+2,bore_d/2,knob_bore_l+4]); |
370 | } | 363 | } |
371 | } | 364 | } |
372 | } | 365 | } |
373 | difference() { | 366 | difference() { |
374 | union() { | 367 | union() { |
375 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); | 368 | cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); |
376 | translate([0,0,ch]) | 369 | translate([0,0,ch]) |
377 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); | 370 | cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); |
378 | translate([0,0,knob_h-ch]) | 371 | translate([0,0,knob_h-ch]) |
379 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); | 372 | cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); |
380 | } | 373 | } |
381 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) | 374 | for(a=[0:360/knob_indents:359]) rotate([0,0,a]) |
382 | translate([0,gearbox_d/2,-1]) | 375 | translate([0,gearbox_d/2,-1]) |
383 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); | 376 | cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); |
384 | } | 377 | } |
385 | } | 378 | } |
386 | }//knob module | 379 | }//knob module |
387 | 380 | ||
381 | module debug() { | ||
382 | difference() { | ||
383 | children(); | ||
384 | if(debug) { | ||
385 | // spring tensioner debug cutout | ||
386 | if(tensioner) // TODO: collaps copypasted transformations | ||
387 | translate([-gearbox_d/2,0,0]) | ||
388 | translate([0,-longwing,ls_z]) rotate([0,-90,0]) | ||
389 | translate([0,-lever_thickness/2-1,-gearbox_d]) | ||
390 | cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); | ||
391 | // lever axis debug cutout | ||
392 | translate([mount_d/2,0,-1]) | ||
393 | rotate([0,0,-45]) | ||
394 | cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+knob_h+2]); | ||
395 | // idler debug cutout | ||
396 | translate([0,0,ls_z]) | ||
397 | place_idler() | ||
398 | rotate([0,0,-45]) | ||
399 | translate([0,0,-lever_thickness/2-epsilon]) | ||
400 | cube(size=[(idler_d+idler_clearance)/2,(idler_d+idler_clearance)/2, | ||
401 | lever_thickness+2*epsilon]); | ||
402 | }//if debug | ||
403 | }//difference | ||
404 | } | ||
405 | |||
406 | debug() | ||
388 | mirrorleft() | 407 | mirrorleft() |
389 | if(what=="lever") color("green",0.7) lever(); | 408 | if(what=="lever") color("green",0.7) lever(); |
390 | else if(what=="body") color("yellow",0.7) body(); | 409 | else if(what=="body") color("yellow",0.7) body(); |
391 | else if(what=="knob") color("red",0.7) knob(); | 410 | else if(what=="knob") color("red",0.7) knob(); |
392 | else if(what=="springpad") color("blue",0.7) springpad(); | 411 | else if(what=="springpad") color("blue",0.7) springpad(); |
393 | else if(what=="both") { | 412 | else if(what=="both") { |
394 | color("green",0.7) lever(); | 413 | color("green",0.7) lever(); |
395 | color("yellow",0.7) body(); | 414 | color("yellow",0.7) body(); |
396 | }else{ | 415 | }else{ |
397 | color("green",0.7) lever(); | 416 | color("green",0.7) lever(); |
398 | color("yellow",0.7) body(); | 417 | color("yellow",0.7) body(); |
399 | color("red",0.7) knob(); | 418 | color("red",0.7) knob(); |
400 | color("blue",0.7) springpad(); | 419 | color("blue",0.7) springpad(); |
401 | } | 420 | } |
402 | } | 421 | } |
403 | 422 | ||
404 | the_extruder(what="both",left=false); | 423 | the_extruder(what="both",left=false); |