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authorMichael Krelin <hacker@klever.net>2016-07-15 21:50:51 (UTC)
committer Michael Krelin <hacker@klever.net>2016-07-15 21:50:51 (UTC)
commitcd89e0556473d0dde27950f397326b2ed4a4d684 (patch) (unidiff)
tree63cf076216e08af71367a3c24d3567fa1fc88f66
parente05854ae82905063d86a403ae8dfc1d7c01bee77 (diff)
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moved around (no effect)
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-rw-r--r--x-carriage.scad5
1 files changed, 3 insertions, 2 deletions
diff --git a/x-carriage.scad b/x-carriage.scad
index d567189..6dc5b67 100644
--- a/x-carriage.scad
+++ b/x-carriage.scad
@@ -48,30 +48,31 @@ module belt(pitch=belt_pitch,width=belt_width,thickness=belt_thickness,tooth=bel
48 48
49module xcarriage() { 49module xcarriage() {
50 cw = bearings_l+2*bearings_m;// carriage width 50 cw = bearings_l+2*bearings_m;// carriage width
51 % for(mz=[0,1]) mirror([0,0,mz]) translate([0,0,-belts_apart/2]) belt(l=cw+2); 51 % for(mz=[0,1]) mirror([0,0,mz]) translate([0,0,-belts_apart/2]) belt(l=cw+2);
52 difference() { 52 difference() {
53 translate([-cw/2,-belt_width/2,-(rods_apart+bearings_d+bearings_m)/2]) 53 translate([-cw/2,-belt_width/2,-(rods_apart+bearings_d+bearings_m)/2])
54 cube(size=[cw,bearings_d/2+bearings_s+belt_width/2,rods_apart+bearings_d+bearings_m]); 54 cube(size=[cw,bearings_d/2+bearings_s+belt_width/2,rods_apart+bearings_d+bearings_m]);
55 55
56 for(sz=[-1,1]) translate([0,0,sz*rods_apart/2]) { 56 for(sz=[-1,1]) translate([0,0,sz*rods_apart/2]) {
57 rotate([0,90,0]) 57 rotate([0,90,0])
58 cylinder(d=bearings_d,h=bearings_l,center=true,$fn=60); 58 cylinder(d=bearings_d,h=bearings_l,center=true,$fn=60);
59 for(sx=[-1,1]) translate([sx*bearings_l/4,0,0]) 59 for(sx=[-1,1]) translate([sx*bearings_l/4,0,0])
60 rotate([0,90,0]) cylinder(d=bearings_d-bearings_m,h=cw+2,center=true,$fn=60);
61 translate([-cw/2-1,-belt_width,-(bearings_d-bearings_m)/2])
62 cube(size=[cw+2,belt_width,bearings_d-bearings_m]);
60 rotate([0,90,0]) difference() { 63 rotate([0,90,0]) difference() {
61 cylinder(d=tiehole_od,h=tiehole_w,center=true,$fn=60); 64 cylinder(d=tiehole_od,h=tiehole_w,center=true,$fn=60);
62 cylinder(d=tiehole_id,h=tiehole_w+2,center=true,$fn=60); 65 cylinder(d=tiehole_id,h=tiehole_w+2,center=true,$fn=60);
63 } 66 }
64 rotate([0,90,0]) cylinder(d=bearings_d-bearings_m,h=cw+2,center=true,$fn=60);
65 translate([-cw/2-1,-belt_width,-(bearings_d-bearings_m)/2]) cube(size=[cw+2,belt_width,bearings_d-bearings_m]);
66 } 67 }
67 68
68 difference() { 69 difference() {
69 gap=belts_apart/6; 70 gap=belts_apart/6;
70 translate([0,-.5,-gap/2]) 71 translate([0,-.5,-gap/2])
71 cube(size=[cw+2,belt_width+2,belts_apart+2*belt_thickness+gap],center=true); 72 cube(size=[cw+2,belt_width+2,belts_apart+2*belt_thickness+gap],center=true);
72 for(mx=[0,1]) mirror([mx,0,0]) { 73 for(mx=[0,1]) mirror([mx,0,0]) {
73 ofc = mounting_holes_apart/2+screwhead_d/2+belt_thickness+belt_tooth+play_tolerance; // offset from center 74 ofc = mounting_holes_apart/2+screwhead_d/2+belt_thickness+belt_tooth+play_tolerance; // offset from center
74 r=1; 75 r=1;
75 x0 = ofc+r; x1=cw/2-r; 76 x0 = ofc+r; x1=cw/2-r;
76 z0 = r; z1 = belts_apart/2-belt_thickness; 77 z0 = r; z1 = belts_apart/2-belt_thickness;
77 difference() { 78 difference() {