-rw-r--r-- | x-carriage.scad | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/x-carriage.scad b/x-carriage.scad index cffdd1e..1128e64 100644 --- a/x-carriage.scad +++ b/x-carriage.scad | |||
@@ -36,34 +36,34 @@ module belt(pitch=belt_pitch,width=belt_width,thickness=belt_thickness,tooth=bel | |||
36 | union() { | 36 | union() { |
37 | cube(size=[l,width,thickness+tolerance]); | 37 | cube(size=[l,width,thickness+tolerance]); |
38 | for(x=[0:pitch:l/2]) for(s=[-1,1]) | 38 | for(x=[0:pitch:l/2]) for(s=[-1,1]) |
39 | translate([l/2+s*x,0,thickness]) | 39 | translate([l/2+s*x,0,thickness]) |
40 | rotate([-90,0,0]) | 40 | rotate([-90,0,0]) |
41 | cylinder(r=tooth+tolerance,h=width,$fn=6); | 41 | cylinder(r=tooth+tolerance,h=width,$fn=6); |
42 | } | 42 | } |
43 | translate([0,-1,0]) | 43 | translate([0,-1,0]) |
44 | cube(size=[l,width+2,thickness+tooth+1]); | 44 | cube(size=[l,width+2,thickness+tooth+1]); |
45 | } | 45 | } |
46 | } | 46 | } |
47 | 47 | ||
48 | module xcarriage() { | 48 | module xcarriage() { |
49 | cw = bearings_l+2*bearings_m;// carriage width | 49 | cw = bearings_l+2*bearings_m;// carriage width |
50 | % for(mz=[0,1]) mirror([0,0,mz]) translate([0,0,-belts_apart/2]) belt(); | 50 | % for(mz=[0,1]) mirror([0,0,mz]) translate([0,0,-belts_apart/2]) belt(); |
51 | difference() { | 51 | difference() { |
52 | translate([-cw/2,-belt_width/2,-rods_apart/2-bearings_d/2]) | 52 | translate([-cw/2,-belt_width/2,-(rods_apart+bearings_d+bearings_m)/2]) |
53 | cube(size=[cw,bearings_d/2+bearings_s+belt_width/2,rods_apart+bearings_d]); | 53 | cube(size=[cw,bearings_d/2+bearings_s+belt_width/2,rods_apart+bearings_d+bearings_m]); |
54 | 54 | ||
55 | for(sz=[-1,1]) translate([0,0,sz*rods_apart/2]) { | 55 | for(sz=[-1,1]) translate([0,0,sz*rods_apart/2]) { |
56 | rotate([0,90,0]) | 56 | rotate([0,90,0]) |
57 | cylinder(d=bearings_d,bearings_l,center=true,$fn=60); | 57 | cylinder(d=bearings_d,bearings_l,center=true,$fn=60); |
58 | for(sx=[-1,1]) translate([sx*bearings_l/4,0,0]) | 58 | for(sx=[-1,1]) translate([sx*bearings_l/4,0,0]) |
59 | rotate([0,90,0]) difference() { | 59 | rotate([0,90,0]) difference() { |
60 | cylinder(d=tiehole_od,h=tiehole_w,center=true,$fn=60); | 60 | cylinder(d=tiehole_od,h=tiehole_w,center=true,$fn=60); |
61 | cylinder(d=tiehole_id,h=tiehole_w+2,center=true,$fn=60); | 61 | cylinder(d=tiehole_id,h=tiehole_w+2,center=true,$fn=60); |
62 | } | 62 | } |
63 | rotate([0,90,0]) cylinder(d=bearings_d-bearings_m,h=cw+2,center=true,$fn=60); | 63 | rotate([0,90,0]) cylinder(d=bearings_d-bearings_m,h=cw+2,center=true,$fn=60); |
64 | translate([-cw/2-1,-belt_width,-(bearings_d-bearings_m)/2]) cube(size=[cw+2,belt_width,bearings_d-bearings_m]); | 64 | translate([-cw/2-1,-belt_width,-(bearings_d-bearings_m)/2]) cube(size=[cw+2,belt_width,bearings_d-bearings_m]); |
65 | } | 65 | } |
66 | 66 | ||
67 | difference() { | 67 | difference() { |
68 | gap=belts_apart/6; | 68 | gap=belts_apart/6; |
69 | translate([0,-.5,-gap/2]) | 69 | translate([0,-.5,-gap/2]) |