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-rw-r--r--x-carriage.scad2
1 files changed, 1 insertions, 1 deletions
diff --git a/x-carriage.scad b/x-carriage.scad
index 1128e64..9d0881e 100644
--- a/x-carriage.scad
+++ b/x-carriage.scad
@@ -1,45 +1,45 @@
slide_tolerance = .3;
play_tolerance=.4;
fit_tolerance = .2;
bearings_l = 25; // 15;
bearings_d = 15; // 12;
bearings_m = 2.5; // thickness of the bearing end holder
bearings_s = 4.5; // the minimum shell between bearings and carriage front
rods_apart = 45;
rod_d = 8;
mounting_holes_from_top = [ // the offsets of mounting holes on the back
[0, 20], [-4.5,10], [4.5,10]
];
mounting_holes_apart = mounting_holes_from_top[2][0]-mounting_holes_from_top[1][0];
belt_tooth=0.70;
belt_thickness=0.75;
belts_thickness = belt_thickness*2+belt_tooth+0.5;
-belt_width = 6;
+belt_width = 6 + slide_tolerance;
belts_apart = 12;
belt_pitch = 2;
tiehole_id = bearings_d+3;
tiehole_od = bearings_d+10;
tiehole_w = 4;
screw_d = 3;
screwhead_d = 5.5;
screwhead_h = 3;
module belt(pitch=belt_pitch,width=belt_width,thickness=belt_thickness,tooth=belt_tooth,l=100,tolerance=0) {
translate([-l/2,-width/2,-thickness])
intersection() {
union() {
cube(size=[l,width,thickness+tolerance]);
for(x=[0:pitch:l/2]) for(s=[-1,1])
translate([l/2+s*x,0,thickness])
rotate([-90,0,0])
cylinder(r=tooth+tolerance,h=width,$fn=6);
}
translate([0,-1,0])
cube(size=[l,width+2,thickness+tooth+1]);
}