author | Michael Krelin <hacker@klever.net> | 2018-08-03 17:40:41 (UTC) |
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committer | Michael Krelin <hacker@klever.net> | 2018-08-03 17:40:41 (UTC) |
commit | 50a9f2b028a5e10ed3fd46516276296a1147d94c (patch) (side-by-side diff) | |
tree | 4a9b5f79c60f5c666df4d064e91008d6ccb854ed /another.scad | |
parent | 741e17207d7e98237eee3b2f1957ab21f067f153 (diff) | |
download | extrudery-50a9f2b028a5e10ed3fd46516276296a1147d94c.zip extrudery-50a9f2b028a5e10ed3fd46516276296a1147d94c.tar.gz extrudery-50a9f2b028a5e10ed3fd46516276296a1147d94c.tar.bz2 |
another debug cutout
-rw-r--r-- | another.scad | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/another.scad b/another.scad index efc553d..9ed285d 100644 --- a/another.scad +++ b/another.scad @@ -118,279 +118,285 @@ module the_extruder( rotate([90,0,0]) cylinder(d=filament_d,h=gearbox_d*2,center=true,$fn=15); rotate([-90,0,0]) translate([0,0,mount_d/sqrt(2)/2+mount_screw_d]) pushfit(pf); } }//translate teeth }//translate pulley }//translate protrusion }//vitamins module lever() { translate([0,0,protrusion_h+pulley_elevation+teeth_elevation]) { difference() { union() { hull() { place_idler() cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); translate([mount_d/2,0,0]) cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); }//hull hull() { translate([mount_d/2,0,0]) cylinder(d=lsd,h=lever_thickness,center=true,$fn=60); translate([mount_d/2,-longwing,0]) rotate([0,90,0]) cylinder(d=lever_thickness,h=lsd,center=true,$fn=60); }//hull }//union // filament path place_idler() translate([-(idler_d+filament_path_d)/2,0,0]) rotate([90,0,0]) { cylinder(d=filament_path_d,h=3*gearbox_d,center=true,$fn=30); translate([0,-filament_path_d/2/sqrt(2),0]) rotate([0,0,45]) cube(size=[filament_path_d/2,filament_path_d/2,3*gearbox_d],center=true); } // idler space and mounting hole place_idler() { difference() { cylinder(d=idler_d+idler_clearance*2,h=idler_h+idler_v_tolerance,center=true,$fn=60); if(supports) for(y=[-lsd/2+extrusion_width:(lsd-2*extrusion_width)/3:lsd/2-extrusion_width]) translate([-lsd/2-1,y-extrusion_width/2,-idler_h/2-idler_v_tolerance/2-1]) cube(size=[lsd+2,extrusion_width,idler_h+idler_v_tolerance+2]); } cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=30); translate([0,0,lever_thickness/2-mount_screwhead_h]) cylinder(d=mount_screwhead_d,h=mount_screwhead_h+1,$fn=fnd*mount_screwhead_d); } // mounting screw hole translate([mount_d/2,0,0]) cylinder(d=mount_screw_d+mount_screw_d_tolerance,h=lever_thickness+2,center=true,$fn=fnd*mount_screw_d); // lever end translate([mount_d/2,0,0]) rotate([0,90,0]) { translate([0,-longwing,lsd/2]) finger_indent(d=lever_thickness-1,r=15); translate([0,-longwing,0]) mirror([0,0,1]) difference() { cylinder(d=spring_d+spring_d_clearance,h=lsd,$fn=fnd*(spring_d+spring_d_clearance)); sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); } }//rotate-translate }//difference // bridging patch place_idler() translate([0,0,lever_thickness/2-mount_screwhead_h]) mirror([0,0,1]) cylinder(d=mount_screwhead_d,h=layer_height); }//translate }//lever module module body() { difference() { union() { cylinder(d=gearbox_d,h=body_h,$fn=fnd*gearbox_d); // finger and spring support fsw = gearbox_d-(gearbox_d-mount_d)/2-spring_lc; translate([-gearbox_d/2,0,0]) difference() { union() { hull() { translate([0,-longwing,ls_z]) rotate([0,90,0]) cylinder(d=lever_thickness,h=fsw,$fn=fnd*lever_thickness); hh=body_h-ls_z; translate([0,0,ls_z-lever_thickness/2]) mirror([0,1,0]) cube(size=[fsw,longwing-hh+lever_thickness/sqrt(2),hh+lever_thickness/2]); hhh=ls_z; translate([0,0,0]) mirror([0,1,0]) cube(size=[fsw,longwing-hhh+lever_thickness/sqrt(2),hhh+lever_thickness/2]); } } translate([0,-longwing,ls_z]) rotate([0,-90,0]) { if(!tensioner) finger_indent(d=lever_thickness-1,r=15); else { if(debug) translate([0,-lever_thickness/2-1,-gearbox_d]) cube(size=[body_h/2+1,lever_thickness/2+1,gearbox_d+2]); mirror([0,0,1]) { translate([0,0,st_thickshell]) hull() for(o=[0,spring_d]) translate([0,-o,0]) rotate([0,0,30]) cylinder(d=st_nut_d,h=st_nut_h,$fn=6); translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=fnd*st_screw_d); bigd = spring_d+spring_d_clearance; hf = (bigd-st_screw_d)/2; translate([0,0,st_thickshell+st_nut_h+st_thinshell-epsilon]) cylinder(d1=st_screw_d,d2=bigd, h=hf+epsilon, $fn=fnd*bigd); translate([0,0,st_thickshell+st_nut_h+st_thinshell+hf-epsilon]) cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); } } } } // translate // pushfit bracket translate([0,0,filament_elevation]) rotate([0,0,45]) translate([pulley_d/2,0,0]) rotate([-90,0,0]) translate([0,0,mount_d/sqrt(2)/2+mount_screw_d-gearbox_d/2/*TODO:*/]) cylinder(r=min(body_h-filament_elevation,filament_elevation)/sin(60)-epsilon,h=pf_h(pf)+gearbox_d/2/*TODO:*/,$fn=6); }//union (first child of difference) // protrusion translate([0,0,-1]) cylinder(d=protrusion_d+protrusion_tolerance_h,h=protrusion_h+protrusion_tolerance_v+1,$fn=fnd*(protrusion_d+protrusion_tolerance_h)); // mount screw holes for(zr=[0:90:359]) rotate([0,0,zr]) translate([mount_d/2,0,0]) { translate([0,0,mount_screw_l-mounthole_depth/2-layer_height-1]) mirror([0,0,1]) cylinder(d=mount_screw_d+mount_screw_d_tolerance, h=mount_screw_l-mounthole_depth/2-layer_height+1, $fn=fnd*(mount_screw_d+mount_screw_d_tolerance)); translate([0,0,mount_screw_l-mounthole_depth/2]) cylinder(d=mount_screwhead_d,h=body_h+1,$fn=fnd*mount_screwhead_d); }//for // pushfit translate([0,0,filament_elevation]) rotate([0,0,45]) translate([pulley_d/2,0,0]) rotate([-90,0,0]) translate([0,0,mount_d/sqrt(2)/2+mount_screw_d+epsilon]) rotate([0,0,180]) { pushfit(pf); cylinder(d=filament_guide_d,h=gearbox_d,center=true,$fn=fnd*filament_guide_d); translate([0,-filament_guide_d/2/sqrt(2),0]) rotate([0,0,45]) cube(size=[filament_guide_d/2,filament_guide_d/2,gearbox_d],center=true); }//rotate translate rotate translate rotate translate // pulley cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); // leverspace hull() for(x=[0,gearbox_d]) rotate([0,0,45]) translate([x,0,ls_z-ls_h/2]) cylinder(d=idler_d+idler_clearance,h=ls_h,$fn=fnd*(idler_d+idler_clearance)); // idler clearance a=cos(45)*(pulley_d+idler_d)/2; b=mount_d/2-a; x=sqrt(pow(a,2)+pow(b,2)); translate([mount_d/2,0,ls_z]) intersection() { r = x+idler_d/2+idler_clearance; cylinder(r=r,h=ls_h,center=true); translate([-r-1,0,-ls_h/2-1]) cube(size=[2*r+2,r+1,ls_h+2]); } // back side cutout a0 = asin((mount_screwhead_d+2*extrusion_width)/mount_d); a1 = atan((longwing-lever_thickness/2)/(gearbox_d/2)); translate([0,0,ls_z]) hull() { rotate([0,0,-180+a0]) rotate_extrude(angle=a1-a0) translate([0,-ls_h/2]) square([sqrt(pow(gearbox_d/2,2)+pow(longwing-lever_thickness/2,2))+1, ls_h]); cylinder(d=bore_d/2/*TODO:recalculate angles based on this, too lazy to do that now*/, h=ls_h,center=true); } rotate([0,0,-45]) translate([0,0,ls_z-ls_h/2]) cube(size=[gearbox_d,gearbox_d,lever_thickness+lever_v_clearance]); translate([0,0,ls_z-ls_h/2]) { translate([mount_screwhead_d/2,0,0]) mirror([0,1,0]) cube(size=[gearbox_d,gearbox_d/2+1,lever_thickness+lever_v_clearance]); } //translate([-mount_d/2,-longwing,filament_elevation]) if(!tensioner) /* XXX: this seems to be bullshit, but it's so old, that it's historical bullshit */ translate([mount_d/2,-longwing,filament_elevation]) rotate([0,-90,0]) difference() { cylinder(d=spring_d+spring_d_clearance,h=spring_lc+spring_dl,$fn=fnd*(spring_d+spring_d_clearance)); translate([0,0,spring_lc+spring_dl]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); } + + if(debug) { + translate([mount_d/2,0,-1]) + rotate([0,0,-45]) + cube(size=[gearbox_d-mount_d,gearbox_d-mount_d,body_h+2]); + } }//difference if(supports) intersection() { difference() { translate([0,0,ls_z-ls_h/2-epsilon]) cylinder(d=gearbox_d,h=ls_h+2*epsilon,$fn=fnd*gearbox_d); cylinder(d=pulley_d+pulley_clearance,h=body_h+1,$fn=fnd*(pulley_d+pulley_clearance)); } // supports // TODO: hardcoded stuff below… if(false) { // parallel for(y=[-gearbox_d:4:gearbox_d]) translate([0,y-extrusion_width/2,0]) cube(size=[gearbox_d,extrusion_width,body_h]); }else{ // radial for(zr=[-65:(65+50)/7:50]) rotate([0,0,zr]) translate([0,-extrusion_width/2,0]) cube(size=[gearbox_d,extrusion_width,body_h]); } } }//body module module springpad() { smalld=st_screw_d+2*extrusion_width; bigd = spring_d+spring_d_clearance/2; hf = (bigd-smalld)/2; translate([-gearbox_d/2+st_thickshell+st_nut_h+st_thinshell+1,-longwing,filament_elevation]) rotate([0,90,0]) difference() { union() { cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); translate([0,0,hf-epsilon]) cylinder(d=bigd,h=hf*2,$fn=fnd*bigd); translate([0,0,3*hf]) sphere(d=spring_d*3/4,$fn=fnd*spring_d*3/4); } translate([0,0,-epsilon]) cylinder(d=st_screw_d,h=2*hf+epsilon,$fn=fnd*st_screw_d); } } module knob() { ch = knob_indent_d/2; translate([0,0,body_h+epsilon]) { mirror([0,0,1]) translate([0,0,-epsilon]) { difference() { cylinder(d=pulley_d,h=knob_bore_l,$fn=fnd*pulley_d); translate([0,0,-1]) difference() { cylinder(d=bore_d+knob_bore_d_tolerance,h=knob_bore_l+2); translate([-bore_d/2-1,bore_dd-bore_d/2+knob_bore_d_tolerance/2,-1]) cube([bore_d+2,bore_d/2,knob_bore_l+4]); } } } difference() { union() { cylinder(d1=gearbox_d-2*ch,d2=gearbox_d,h=ch+epsilon,$fn=fnd*gearbox_d); translate([0,0,ch]) cylinder(d=gearbox_d,h=knob_h-2*ch+epsilon,$fn=fnd*gearbox_d); translate([0,0,knob_h-ch]) cylinder(d1=gearbox_d,d2=gearbox_d-2*ch,h=ch,$fn=fnd*gearbox_d); } for(a=[0:360/knob_indents:359]) rotate([0,0,a]) translate([0,gearbox_d/2,-1]) cylinder(d=knob_indent_d,h=knob_h+2,$fn=fnd*knob_indent_d); } } }//knob module mirrorleft() if(what=="lever") color("green",0.7) lever(); else if(what=="body") color("yellow",0.7) body(); else if(what=="knob") color("red",0.7) knob(); else if(what=="springpad") color("blue",0.7) springpad(); else if(what=="both") { color("green",0.7) lever(); color("yellow",0.7) body(); }else{ color("green",0.7) lever(); color("yellow",0.7) body(); color("red",0.7) knob(); color("blue",0.7) springpad(); } } the_extruder(what="both",left=false); |