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authorMichael Krelin <hacker@klever.net>2018-08-03 16:58:16 (UTC)
committer Michael Krelin <hacker@klever.net>2018-08-03 16:58:16 (UTC)
commit741e17207d7e98237eee3b2f1957ab21f067f153 (patch) (unidiff)
tree570fdb8f4c4c3b8f3e682704fdf7a30a3aa69b1e
parent1d8c4abb1fb534d52aa4d221aa3052b77f473932 (diff)
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another: thicker shell to support spring nut
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--another.scad10
1 files changed, 5 insertions, 5 deletions
diff --git a/another.scad b/another.scad
index 7d2dfb3..efc553d 100644
--- a/another.scad
+++ b/another.scad
@@ -31,13 +31,13 @@ module the_extruder(
31 knob_bore_l = 4, 31 knob_bore_l = 4,
32 knob_indent_d = 4, 32 knob_indent_d = 4,
33 knob_indents = 12, 33 knob_indents = 12,
34 // spring tensioner 34 // spring tensioner
35 st_nut_d = 9, st_nut_h = 4, 35 st_nut_d = 9, st_nut_h = 4,
36 st_screw_d = 5, 36 st_screw_d = 5,
37 st_shell = 4*extrusion_width, 37 st_thickshell = 8*extrusion_width, st_thinshell = 4*extrusion_width,
38 38
39 // screw it 39 // screw it
40 mount_screw_d = 3.1, mount_screw_l = 20, 40 mount_screw_d = 3.1, mount_screw_l = 20,
41 mount_screwhead_d=6, mount_screwhead_h=3, 41 mount_screwhead_d=6, mount_screwhead_h=3,
42 42
43 pf = pushfit_embeddest, 43 pf = pushfit_embeddest,
@@ -206,23 +206,23 @@ module the_extruder(
206 } 206 }
207 } 207 }
208 translate([0,-longwing,ls_z]) rotate([0,-90,0]) { 208 translate([0,-longwing,ls_z]) rotate([0,-90,0]) {
209 if(!tensioner) finger_indent(d=lever_thickness-1,r=15); else { 209 if(!tensioner) finger_indent(d=lever_thickness-1,r=15); else {
210 if(debug) translate([0,-lever_thickness/2-1,-gearbox_d]) cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); 210 if(debug) translate([0,-lever_thickness/2-1,-gearbox_d]) cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]);
211 mirror([0,0,1]) { 211 mirror([0,0,1]) {
212 translate([0,0,st_shell]) 212 translate([0,0,st_thickshell])
213 hull() for(o=[0,spring_d]) translate([0,-o,0]) 213 hull() for(o=[0,spring_d]) translate([0,-o,0])
214 rotate([0,0,30]) 214 rotate([0,0,30])
215 cylinder(d=st_nut_d,h=st_nut_h,$fn=6); 215 cylinder(d=st_nut_d,h=st_nut_h,$fn=6);
216 translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=fnd*st_screw_d); 216 translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=fnd*st_screw_d);
217 bigd = spring_d+spring_d_clearance; 217 bigd = spring_d+spring_d_clearance;
218 hf = (bigd-st_screw_d)/2; 218 hf = (bigd-st_screw_d)/2;
219 translate([0,0,st_shell+st_nut_h+st_shell-epsilon]) 219 translate([0,0,st_thickshell+st_nut_h+st_thinshell-epsilon])
220 cylinder(d1=st_screw_d,d2=bigd, 220 cylinder(d1=st_screw_d,d2=bigd,
221 h=hf+epsilon, $fn=fnd*bigd); 221 h=hf+epsilon, $fn=fnd*bigd);
222 translate([0,0,st_shell+st_nut_h+st_shell+hf-epsilon]) 222 translate([0,0,st_thickshell+st_nut_h+st_thinshell+hf-epsilon])
223 cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); 223 cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd);
224 } 224 }
225 } 225 }
226 } 226 }
227 } // translate 227 } // translate
228 228
@@ -332,13 +332,13 @@ module the_extruder(
332 }//body module 332 }//body module
333 333
334 module springpad() { 334 module springpad() {
335 smalld=st_screw_d+2*extrusion_width; 335 smalld=st_screw_d+2*extrusion_width;
336 bigd = spring_d+spring_d_clearance/2; 336 bigd = spring_d+spring_d_clearance/2;
337 hf = (bigd-smalld)/2; 337 hf = (bigd-smalld)/2;
338 translate([-gearbox_d/2+st_shell+st_nut_h+st_shell+smalld,-longwing,filament_elevation]) 338 translate([-gearbox_d/2+st_thickshell+st_nut_h+st_thinshell+1,-longwing,filament_elevation])
339 rotate([0,90,0]) difference() { 339 rotate([0,90,0]) difference() {
340 union() { 340 union() {
341 cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); 341 cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd);
342 translate([0,0,hf-epsilon]) 342 translate([0,0,hf-epsilon])
343 cylinder(d=bigd,h=hf*2,$fn=fnd*bigd); 343 cylinder(d=bigd,h=hf*2,$fn=fnd*bigd);
344 translate([0,0,3*hf]) 344 translate([0,0,3*hf])