-rw-r--r-- | another.scad | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/another.scad b/another.scad index 92187c5..8ba0d58 100644 --- a/another.scad +++ b/another.scad | |||
@@ -79,16 +79,18 @@ module the_extruder( | |||
79 | function lu(m,k) = m[search([k],m)[0]][1]; | 79 | function lu(m,k) = m[search([k],m)[0]][1]; |
80 | 80 | ||
81 | pulley_d = lu(pulley,"d"); | 81 | pulley_d = lu(pulley,"d"); |
82 | pulley_h = lu(pulley,"h"); | 82 | pulley_h = lu(pulley,"h"); |
83 | teeth_elevation = lu(pulley,"fe"); | 83 | teeth_elevation = lu(pulley,"fe"); |
84 | filament_offset = lu(pulley,"g")+filament_d/2; | 84 | filament_offset = lu(pulley,"g")+filament_d/2; |
85 | pulley_d_clearance = lu(pulley,"ssrc")*2; | 85 | pulley_d_clearance = lu(pulley,"ssrc")*2; |
86 | 86 | ||
87 | sp_ch = st_split_w; | ||
88 | |||
87 | idler_filament_offset = filament_path_d/2; | 89 | idler_filament_offset = filament_path_d/2; |
88 | lever_shell = mount_screwhead_h+0.5; | 90 | lever_shell = mount_screwhead_h+0.5; |
89 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); | 91 | lever_thickness=max(spring_d+spring_d_clearance+layer_height*8,idler_h+idler_v_tolerance+2*lever_shell); |
90 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie | 92 | lsd = idler_d-idler_clearance*2; // the diameter of lever thingie |
91 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; | 93 | longwing=(mount_d+mount_screw_d+mount_screw_d_tolerance+spring_d+spring_d_clearance)/2+min_xy_shell; |
92 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) | 94 | shortwing = let(a=mount_d/2,c=(pulley_d+idler_d)/2/sqrt(2)) |
93 | sqrt(c*c+pow(a-c,2)); | 95 | sqrt(c*c+pow(a-c,2)); |
94 | longwing_travel = idler_travel*longwing/shortwing; | 96 | longwing_travel = idler_travel*longwing/shortwing; |
@@ -353,18 +355,21 @@ module the_extruder( | |||
353 | rotate([0,0,30]) | 355 | rotate([0,0,30]) |
354 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); | 356 | cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); |
355 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 357 | translate([0,0,-1]) cylinder(d=st_screw_d+st_screw_d_tolerance,h=fsw+2,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |
356 | bigd = spring_d+spring_d_clearance; | 358 | bigd = spring_d+spring_d_clearance; |
357 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; | 359 | hf = (bigd-st_screw_d-st_screw_d_tolerance)/2; |
358 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { | 360 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) { |
359 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, | 361 | cylinder(d1=st_screw_d+st_screw_d_tolerance,d2=bigd, |
360 | h=hf+epsilon, $fn=fnd*bigd); | 362 | h=hf+epsilon, $fn=fnd*bigd); |
361 | translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) | 363 | translate([0,-(st_split_w+st_split_w_tolerance)/2,0]) hull() { |
362 | cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); | 364 | cube(size=[body_h-ls_z-sp_ch-st_split_w_tolerance,st_split_w+st_split_w_tolerance,fsw+1]); |
365 | translate([0,0,sp_ch+st_split_w_tolerance+1]) | ||
366 | cube(size=[body_h-ls_z+1,st_split_w+st_split_w_tolerance,fsw+1]); | ||
367 | } | ||
363 | }//translate | 368 | }//translate |
364 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) | 369 | translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) |
365 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); | 370 | cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); |
366 | }//mirror | 371 | }//mirror |
367 | }//translate | 372 | }//translate |
368 | 373 | ||
369 | // label | 374 | // label |
370 | body_label(); | 375 | body_label(); |
@@ -395,17 +400,17 @@ module the_extruder( | |||
395 | rotate([0,90,0]) difference() { | 400 | rotate([0,90,0]) difference() { |
396 | union() { | 401 | union() { |
397 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); | 402 | cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); |
398 | translate([0,0,hf-epsilon]) | 403 | translate([0,0,hf-epsilon]) |
399 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); | 404 | cylinder(d=bigd,h=h-hf,$fn=fnd*bigd); |
400 | translate([0,0,h]) | 405 | translate([0,0,h]) |
401 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); | 406 | sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); |
402 | l = body_h-ls_z; | 407 | l = body_h-ls_z; |
403 | w = st_split_w; | 408 | w = sp_ch; |
404 | hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { | 409 | hull() translate([0,-st_split_w/2,0]) mirror([1,0,0]) { |
405 | translate([0,0,w]) | 410 | translate([0,0,w]) |
406 | cube(size=[l,st_split_w,w]); | 411 | cube(size=[l,st_split_w,w]); |
407 | cube(size=[l-w,st_split_w,2*w]); | 412 | cube(size=[l-w,st_split_w,2*w]); |
408 | } | 413 | } |
409 | } | 414 | } |
410 | translate([0,0,-epsilon]) | 415 | translate([0,0,-epsilon]) |
411 | cylinder(d=st_screw_d+st_screw_d_tolerance,h=st_screw_l-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); | 416 | cylinder(d=st_screw_d+st_screw_d_tolerance,h=st_screw_l-fsw+h+2*epsilon,$fn=fnd*(st_screw_d+st_screw_d_tolerance)); |