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-rw-r--r--another.scad15
1 files changed, 11 insertions, 4 deletions
diff --git a/another.scad b/another.scad
index 6afa9ef..6ef7299 100644
--- a/another.scad
+++ b/another.scad
@@ -11,6 +11,7 @@ module the_extruder(
11 gearbox_d = 36, 11 gearbox_d = 36,
12 mount_d = 28, // the distance between opposite mounting holes 12 mount_d = 28, // the distance between opposite mounting holes
13 mounthole_depth = 5, 13 mounthole_depth = 5,
14 mounthole_min_depth = 3, mounthole_max_depth = 4,
14 protrusion_d = 22, protrusion_h = 2.2, // the dimensions of the protrusion on top of gearbox 15 protrusion_d = 22, protrusion_h = 2.2, // the dimensions of the protrusion on top of gearbox
15 bore_d = 8, bore_l = 17.6, 16 bore_d = 8, bore_l = 17.6,
16 bore_dd = 7, 17 bore_dd = 7,
@@ -62,6 +63,8 @@ module the_extruder(
62 st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ 63 st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */
63 st_screw_d_tolerance=.5, 64 st_screw_d_tolerance=.5,
64 65
66 min_z_shell = 4*layer_height, // the very minimal shell thickness along z-axis.
67
65 what="lever", // lever|body|knob|springpad|* 68 what="lever", // lever|body|knob|springpad|*
66 left=false, 69 left=false,
67 vitamins = true, 70 vitamins = true,
@@ -80,10 +83,14 @@ module the_extruder(
80 ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) ); 83 ri = sqrt( pow(h_,2) + pow(mount_d/2-h_,2) );
81 spring_dl = idler_travel*longwing/ri; 84 spring_dl = idler_travel*longwing/ri;
82 85
86 mount_min_depth = mounthole_min_depth ? mounthole_min_depth : mounthole_depth-1;
87 mount_max_depth = mounthole_max_depth ? mounthole_max_depth : mounthole_depth+1;
83 filament_elevation=protrusion_h+pulley_elevation+teeth_elevation; 88 filament_elevation=protrusion_h+pulley_elevation+teeth_elevation;
84 ls_z = filament_elevation; // leverspace mid-z 89 ls_z = filament_elevation; // leverspace mid-z
85 body_h = max(protrusion_h+bore_l,mount_screw_l-mounthole_depth/2+mount_screwhead_h,ls_z*2);
86 ls_h = lever_thickness+lever_v_clearance; // leverspace height 90 ls_h = lever_thickness+lever_v_clearance; // leverspace height
91 mount_depth = mount_screw_l - (ls_z+ls_h/2+min_z_shell);
92 body_h = max(protrusion_h+bore_l,mount_screw_l-mount_depth+mount_screwhead_h+min_z_shell,ls_z*2);
93 echo("mount depth",mount_depth);
87 94
88 module mirrorleft() { 95 module mirrorleft() {
89 mirror([left?0:1,0,0]) children(); 96 mirror([left?0:1,0,0]) children();
@@ -288,12 +295,12 @@ module the_extruder(
288 cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=fnd*(protrusion_d+protrusion_tolerance_h)); 295 cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=fnd*(protrusion_d+protrusion_tolerance_h));
289 // mount screw holes 296 // mount screw holes
290 for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) { 297 for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) {
291 translate([0,0,mount_screw_l-mounthole_depth/2-(bridges?layer_height:-epsilon)]) 298 translate([0,0,mount_screw_l-mount_depth-(bridges?layer_height:-epsilon)])
292 mirror([0,0,1]) 299 mirror([0,0,1])
293 cylinder(d=mount_screw_d+mount_screw_d_tolerance, 300 cylinder(d=mount_screw_d+mount_screw_d_tolerance,
294 h=mount_screw_l-mounthole_depth/2+1, 301 h=mount_screw_l-mount_depth+1,
295 $fn=fnd*(mount_screw_d+mount_screw_d_tolerance)); 302 $fn=fnd*(mount_screw_d+mount_screw_d_tolerance));
296 translate([0,0,mount_screw_l-mounthole_depth/2]) 303 translate([0,0,mount_screw_l-mount_depth])
297 cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); 304 cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d);
298 }//for 305 }//for
299 // pushfit 306 // pushfit