author | Michael Krelin <hacker@klever.net> | 2018-08-03 16:58:16 (UTC) |
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committer | Michael Krelin <hacker@klever.net> | 2018-08-03 16:58:16 (UTC) |
commit | 741e17207d7e98237eee3b2f1957ab21f067f153 (patch) (unidiff) | |
tree | 570fdb8f4c4c3b8f3e682704fdf7a30a3aa69b1e | |
parent | 1d8c4abb1fb534d52aa4d221aa3052b77f473932 (diff) | |
download | extrudery-741e17207d7e98237eee3b2f1957ab21f067f153.zip extrudery-741e17207d7e98237eee3b2f1957ab21f067f153.tar.gz extrudery-741e17207d7e98237eee3b2f1957ab21f067f153.tar.bz2 |
another: thicker shell to support spring nut
-rw-r--r-- | another.scad | 10 |
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]) |