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authorMichael Krelin <hacker@klever.net>2018-08-31 22:20:06 (UTC)
committer Michael Krelin <hacker@klever.net>2018-08-31 22:20:06 (UTC)
commit875ceca4d231a22423c42d44d8d14e02d3b4ef37 (patch) (unidiff)
treedc2240e3696adcbc41512a7659bf6066a3bd2246 /another.scad
parent428ea05af148a788e379a9b84a31c6322271cf37 (diff)
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body label and thickness as parameters
Diffstat (limited to 'another.scad') (more/less context) (ignore whitespace changes)
-rw-r--r--another.scad11
1 files changed, 6 insertions, 5 deletions
diff --git a/another.scad b/another.scad
index fcd179e..f01e765 100644
--- a/another.scad
+++ b/another.scad
@@ -45,54 +45,55 @@ module the_extruder(
45 idler_screwhead_d=6, idler_screwhead_h=3, 45 idler_screwhead_d=6, idler_screwhead_h=3,
46 46
47 pf = pushfit_metal, 47 pf = pushfit_metal,
48 pf_shell = max(3*layer_height,3*extrusion_width), 48 pf_shell = max(3*layer_height,3*extrusion_width),
49 49
50 // empty spaces 50 // empty spaces
51 idler_travel = 3, // how far should idler travel when pressed 51 idler_travel = 3, // how far should idler travel when pressed
52 idler_clearance=.5, 52 idler_clearance=.5,
53 pulley_small_d_clearance=.5, 53 pulley_small_d_clearance=.5,
54 lever_v_clearance=.7, // vertical clearance for the lever 54 lever_v_clearance=.7, // vertical clearance for the lever
55 spring_d_clearance=1, 55 spring_d_clearance=1,
56 protrusion_tolerance_h=.5, // horizontal tolerance for the motor protrusion 56 protrusion_tolerance_h=.5, // horizontal tolerance for the motor protrusion
57 protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion 57 protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion
58 mount_screw_d_tolerance=.4, 58 mount_screw_d_tolerance=.4,
59 idler_v_tolerance=.5, 59 idler_v_tolerance=.5,
60 knob_bore_d_tolerance=.6, 60 knob_bore_d_tolerance=.6,
61 st_nut_h_tolerance=.2, 61 st_nut_h_tolerance=.2,
62 st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ 62 st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */
63 st_screw_d_tolerance=.5, 63 st_screw_d_tolerance=.5,
64 st_split_w_tolerance = .3, 64 st_split_w_tolerance = .3,
65 65
66 min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. 66 min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis.
67 min_xy_shell = 2*extrusion_width, 67 min_xy_shell = 2*extrusion_width,
68 68
69 body_label = "another", body_label_thickness = 2*layer_height,
70
69 what="lever", // lever|body|knob|springpad|* 71 what="lever", // lever|body|knob|springpad|*
70 left=false, 72 left=false,
71 vitamins = true, 73 vitamins = true,
72 bridges = true, 74 bridges = true,
73 debug = false, 75 debug = false,
74 label = "another"
75) { 76) {
76 fnd = 2*PI; fnr = 2*fnd; 77 fnd = 2*PI; fnr = 2*fnd;
77 function lu(m,k) = m[search([k],m)[0]][1]; 78 function lu(m,k) = m[search([k],m)[0]][1];
78 79
79 pulley_d = lu(pulley,"d"); 80 pulley_d = lu(pulley,"d");
80 pulley_h = lu(pulley,"h"); 81 pulley_h = lu(pulley,"h");
81 teeth_elevation = lu(pulley,"fe"); 82 teeth_elevation = lu(pulley,"fe");
82 filament_offset = lu(pulley,"g")+filament_d/2; 83 filament_offset = lu(pulley,"g")+filament_d/2;
83 pulley_d_clearance = lu(pulley,"ssrc")*2; 84 pulley_d_clearance = lu(pulley,"ssrc")*2;
84 85
85 idler_filament_offset = filament_path_d/2; 86 idler_filament_offset = filament_path_d/2;
86 lever_shell = mount_screwhead_h+0.5; 87 lever_shell = mount_screwhead_h+0.5;
87 lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); 88 lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell);
88 lsd = idler_d-idler_clearance*2; // the diameter of lever thingie 89 lsd = idler_d-idler_clearance*2; // the diameter of lever thingie
89 longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; 90 longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell;
90 shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) 91 shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2))
91 sqrt(c*c+pow(a-c,2)); 92 sqrt(c*c+pow(a-c,2));
92 longwing_travel = idler_travel*longwing/shortwing; 93 longwing_travel = idler_travel*longwing/shortwing;
93 h_ = (pulley_d+idler_d)/(2*sqrt(2)); 94 h_ = (pulley_d+idler_d)/(2*sqrt(2));
94 ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); 95 ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) );
95 spring_dl = idler_travel*longwing/ri; 96 spring_dl = idler_travel*longwing/ri;
96 // finger and spring support 97 // finger and spring support
97 fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); 98 fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2);
98 99
@@ -339,58 +340,58 @@ module the_extruder(
339 }//difference translate 340 }//difference translate
340 341
341 // spring tensioner 342 // spring tensioner
342 translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) { 343 translate([-gearbox_d/2,-longwing,ls_z]) rotate([0,-90,0]) {
343 mirror([0,0,1]) { 344 mirror([0,0,1]) {
344 translate([0,0,st_thickshell]) 345 translate([0,0,st_thickshell])
345 hull() for(o=[0,spring_d]) translate([0,-o,0]) 346 hull() for(o=[0,spring_d]) translate([0,-o,0])
346 rotate([0,0,30]) 347 rotate([0,0,30])
347 cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); 348 cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6);
348 translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); 349 translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance));
349 bigd = spring_d+spring_d_clearance; 350 bigd = spring_d+spring_d_clearance;
350 hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; 351 hf = (bigd-st_screw_d-st_screw_d_tolerance)/2;
351 translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { 352 translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) {
352 cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, 353 cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd,
353 h=hf+epsilon, $fn=fnd*bigd); 354 h=hf+epsilon, $fn=fnd*bigd);
354 translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) 355 translate([0,-(st_split_w+st_split_w_tolerance)/2,0])
355 cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); 356 cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]);
356 }//translate 357 }//translate
357 translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) 358 translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon])
358 cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); 359 cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd);
359 }//mirror 360 }//mirror
360 }//translate 361 }//translate
361 362
362 // label 363 // label
363 label_thickness = 2*layer_height; 364 if(body_label) let(label=body_label,label_thickness=body_label_thickness) {
364 label_len = len(label); 365 label_thickness = 2*layer_height;
365 if(label_len) { 366 label_len = len(label);
366 labelspace = [gearbox_d/2-mount_screwhead_d/2-min_xy_shell,longwing-(mount_screwhead_d-st_split_w-st_split_w_tolerance)/2-2*min_xy_shell]; 367 labelspace = [gearbox_d/2-mount_screwhead_d/2-min_xy_shell,longwing-(mount_screwhead_d-st_split_w-st_split_w_tolerance)/2-2*min_xy_shell];
367 translate([0,0,body_h-label_thickness]) 368 translate([0,0,body_h-label_thickness])
368 linear_extrude(height=label_thickness+epsilon,convexity=64) 369 linear_extrude(height=label_thickness+epsilon,convexity=64)
369 translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2]) 370 translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_split_w+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2])
370 mirror([left?0:1,0]) 371 mirror([left?0:1,0])
371 text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); 372 text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black");
372 }//if(label_len) 373 }//if(body_label)
373 374
374 }//difference 375 }//difference
375 376
376 }//body module 377 }//body module
377 378
378 module springpad() { 379 module springpad() {
379 smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; 380 smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell;
380 bigd = spring_d+spring_d_clearance/2; 381 bigd = spring_d+spring_d_clearance/2;
381 hf = (bigd-smalld)/2; 382 hf = (bigd-smalld)/2;
382 h = hf*3.5; 383 h = hf*3.5;
383 translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) 384 translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation])
384 rotate([0,90,0]) difference() { 385 rotate([0,90,0]) difference() {
385 union() { 386 union() {
386 cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); 387 cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd);
387 translate([0,0,hf-epsilon]) 388 translate([0,0,hf-epsilon])
388 cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); 389 cylinder(d=bigd,h=h-hf,$fn=fnd*bigd);
389 translate([0,0,h]) 390 translate([0,0,h])
390 sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); 391 sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4);
391 l = body_h-ls_z; 392 l = body_h-ls_z;
392 w = st_split_w; 393 w = st_split_w;
393 hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { 394 hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) {
394 translate([0,0,w]) 395 translate([0,0,w])
395 cube(size=[l,st_split_w,w]); 396 cube(size=[l,st_split_w,w]);
396 cube(size=[l-w,st_split_w,2*w]); 397 cube(size=[l-w,st_split_w,2*w]);