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Unidiff
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-rw-r--r--x-carriage.scad5
1 files changed, 5 insertions, 0 deletions
diff --git a/x-carriage.scad b/x-carriage.scad
index 8a9f0d9..c2552d2 100644
--- a/x-carriage.scad
+++ b/x-carriage.scad
@@ -18,12 +18,13 @@ mounting_holes_apart = mounting_holes_from_top[2][0]-mounting_holes_from_top[1][
18belt_tooth=0.70; 18belt_tooth=0.70;
19belt_thickness=0.75; 19belt_thickness=0.75;
20belts_thickness = belt_thickness*2+belt_tooth+0.5; 20belts_thickness = belt_thickness*2+belt_tooth+0.5;
21belt_width = 6 + slide_tolerance; 21belt_width = 6 + slide_tolerance;
22belts_apart = 12; 22belts_apart = 12;
23belt_pitch = 2; 23belt_pitch = 2;
24beltholder_chamfer = 1;
24 25
25tiehole_id = bearings_d+3; 26tiehole_id = bearings_d+3;
26tiehole_od = bearings_d+10; 27tiehole_od = bearings_d+10;
27tiehole_w = 4; 28tiehole_w = 4;
28 29
29screw_d = 3; 30screw_d = 3;
@@ -90,12 +91,16 @@ module xcarriage() {
90 translate([0,0,30/*heatsink height*//2]) 91 translate([0,0,30/*heatsink height*//2])
91 for(mhft = mounting_holes_from_top) translate([mhft[0],0,-mhft[1]]) { 92 for(mhft = mounting_holes_from_top) translate([mhft[0],0,-mhft[1]]) {
92 rotate([90,0,0]) cylinder(d=screw_d+2*play_tolerance,h=bearings_d+2*bearings_s+2,center=true,$fn=30); 93 rotate([90,0,0]) cylinder(d=screw_d+2*play_tolerance,h=bearings_d+2*bearings_s+2,center=true,$fn=30);
93 translate([0,belt_width/2+screwhead_h+play_tolerance,0]) 94 translate([0,belt_width/2+screwhead_h+play_tolerance,0])
94 rotate([90,0,0]) cylinder(d=screwhead_d+2*play_tolerance,h=screwhead_h+play_tolerance+1,$fn=30); 95 rotate([90,0,0]) cylinder(d=screwhead_d+2*play_tolerance,h=screwhead_h+play_tolerance+1,$fn=30);
95 } 96 }
97 ccs = (belt_thickness+2*beltholder_chamfer)/sqrt(2);
98 translate([0,-belt_width/2,belts_apart/2+belt_thickness/2-fit_tolerance/2])
99 rotate([45,0,0]) cube(size=[cw+2,ccs,ccs],center=true);
100
96 } // difference 101 } // difference
97} 102}
98 103
99print=false; 104print=false;
100if(print) rotate([-90,0,0]) xcarriage(); 105if(print) rotate([-90,0,0]) xcarriage();
101else xcarriage(); 106else xcarriage();