author | Michael Krelin <hacker@klever.net> | 2018-08-31 18:49:01 (UTC) |
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committer | Michael Krelin <hacker@klever.net> | 2018-08-31 18:49:01 (UTC) |
commit | dcbe14bb70c4c83bf8dd50e590c5539be022a7ac (patch) (unidiff) | |
tree | 70cb021a084d40475a2315d1ef2ccbd735567fe7 /another.scad | |
parent | 50d38e82f067901b84113286c83fffefbacb3e0d (diff) | |
download | extrudery-dcbe14bb70c4c83bf8dd50e590c5539be022a7ac.zip extrudery-dcbe14bb70c4c83bf8dd50e590c5539be022a7ac.tar.gz extrudery-dcbe14bb70c4c83bf8dd50e590c5539be022a7ac.tar.bz2 |
label engraving wip
-rw-r--r-- | another.scad | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/another.scad b/another.scad index bb67dea..297c1fc 100644 --- a/another.scad +++ b/another.scad | |||
@@ -59,33 +59,34 @@ module the_extruder( | |||
59 | protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion | 59 | protrusion_tolerance_v=.5, // vertical tolerance for the motor protrusion |
60 | mount_screw_d_tolerance=.4, | 60 | mount_screw_d_tolerance=.4, |
61 | idler_v_tolerance=.5, | 61 | idler_v_tolerance=.5, |
62 | knob_bore_d_tolerance=.6, | 62 | knob_bore_d_tolerance=.6, |
63 | st_nut_h_tolerance=.2, | 63 | st_nut_h_tolerance=.2, |
64 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ | 64 | st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ |
65 | st_screw_d_tolerance=.5, | 65 | st_screw_d_tolerance=.5, |
66 | st_split_w_tolerance = .3, | 66 | st_split_w_tolerance = .3, |
67 | 67 | ||
68 | min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. | 68 | min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis. |
69 | min_xy_shell = 2*extrusion_width, | 69 | min_xy_shell = 2*extrusion_width, |
70 | 70 | ||
71 | what="lever", // lever|body|knob|springpad|* | 71 | what="lever", // lever|body|knob|springpad|* |
72 | left=false, | 72 | left=false, |
73 | vitamins = true, | 73 | vitamins = true, |
74 | bridges = true, | 74 | bridges = true, |
75 | debug = false | 75 | debug = false, |
76 | label = "another" | ||
76 | ) { | 77 | ) { |
77 | fnd = 2*PI; fnr = 2*fnd; | 78 | fnd = 2*PI; fnr = 2*fnd; |
78 | 79 | ||
79 | idler_filament_offset = filament_path_d/2; // -filament_offset; | 80 | idler_filament_offset = filament_path_d/2; // -filament_offset; |
80 | lever_shell = mount_screwhead_h+0.5; | 81 | lever_shell = mount_screwhead_h+0.5; |
81 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); | 82 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); |
82 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie | 83 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie |
83 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; | 84 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; |
84 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) | 85 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) |
85 | sqrt(c*c+pow(a-c,2)); | 86 | sqrt(c*c+pow(a-c,2)); |
86 | longwing_travel = idler_travel*longwing/shortwing; | 87 | longwing_travel = idler_travel*longwing/shortwing; |
87 | h_ = (pulley_d+idler_d)/(2*sqrt(2)); | 88 | h_ = (pulley_d+idler_d)/(2*sqrt(2)); |
88 | ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); | 89 | ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); |
89 | spring_dl = idler_travel*longwing/ri; | 90 | spring_dl = idler_travel*longwing/ri; |
90 | // finger and spring support | 91 | // finger and spring support |
91 | fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); | 92 | fsw = gearbox_d-(gearbox_d-mount_d)/2-max(spring_lc,longwing_travel+(gearbox_d-mount_d)/2); |
@@ -355,32 +356,42 @@ module the_extruder( | |||
355 | rotate([0,0,30]) | 356 | rotate([0,0,30]) |
356 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); | 357 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); |
357 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 358 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
358 | bigd = spring_d+spring_d_clearance; | 359 | bigd = spring_d+spring_d_clearance; |
359 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; | 360 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; |
360 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { | 361 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { |
361 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, | 362 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, |
362 | h=hf+epsilon, $fn=fnd*bigd); | 363 | h=hf+epsilon, $fn=fnd*bigd); |
363 | translate([0,-(st_thinshell+st_split_w_tolerance)/2,0]) | 364 | translate([0,-(st_thinshell+st_split_w_tolerance)/2,0]) |
364 | cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]); | 365 | cube(size=[body_h-ls_z+1,st_thinshell+st_split_w_tolerance,fsw+1]); |
365 | }//translate | 366 | }//translate |
366 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) | 367 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) |
367 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); | 368 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); |
368 | }//mirror | 369 | }//mirror |
369 | }//translate | 370 | }//translate |
370 | 371 | ||
372 | // label | ||
373 | label_thickness = 2*layer_height; | ||
374 | label_len = len(label); | ||
375 | labelspace = [gearbox_d/2-mount_screwhead_d/2-min_xy_shell,longwing-(mount_screwhead_d-st_thinshell-st_split_w_tolerance)/2-2*min_xy_shell-mount_d/2]; | ||
376 | translate([0,0,body_h-label_thickness]) | ||
377 | linear_extrude(height=label_thickness+epsilon,convexity=64) | ||
378 | translate([-mount_screwhead_d/2-min_xy_shell-labelspace.x/2,-longwing+(st_thinshell+st_split_w_tolerance)/2+min_xy_shell+labelspace.y/2]) | ||
379 | mirror([left?0:1,0]) | ||
380 | text(text=label,size=labelspace.x/label_len,halign="center",valign="center",font="Arial Black"); | ||
381 | |||
371 | }//difference | 382 | }//difference |
372 | 383 | ||
373 | }//body module | 384 | }//body module |
374 | 385 | ||
375 | module springpad() { | 386 | module springpad() { |
376 | smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; | 387 | smalld=st_screw_d+st_screw_d_tolerance+min_xy_shell; |
377 | bigd = spring_d+spring_d_clearance/2; | 388 | bigd = spring_d+spring_d_clearance/2; |
378 | hf = (bigd-smalld)/2; | 389 | hf = (bigd-smalld)/2; |
379 | h = hf*3.5; | 390 | h = hf*3.5; |
380 | translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) | 391 | translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) |
381 | rotate([0,90,0]) difference() { | 392 | rotate([0,90,0]) difference() { |
382 | union() { | 393 | union() { |
383 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); | 394 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); |
384 | translate([0,0,hf-epsilon]) | 395 | translate([0,0,hf-epsilon]) |
385 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); | 396 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); |
386 | translate([0,0,h]) | 397 | translate([0,0,h]) |