-rw-r--r-- | x-carriage.scad | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/x-carriage.scad b/x-carriage.scad index e2ccc3a..26e54f6 100644 --- a/x-carriage.scad +++ b/x-carriage.scad @@ -59,55 +59,49 @@ module xcarriage() { rotate([0,90,0]) difference() { cylinder(d=tiehole_od,h=tiehole_w,center=true,$fn=60); cylinder(d=tiehole_id,h=tiehole_w+2,center=true,$fn=60); } rotate([0,90,0]) cylinder(d=bearings_d-bearings_m,h=cw+2,center=true,$fn=60); } difference() { gap=3; translate([0,-.5,-gap/2]) cube(size=[cw+2,belt_width+2,belts_apart+2*belt_thickness+gap],center=true); for(mx=[0,1]) mirror([mx,0,0]) { ofc = mounting_holes_apart/2+screwhead_d/2+belt_thickness+belt_tooth+play_tolerance; // offset from center r=1; x0 = ofc+r; x1=cw/2-r; z0 = r; z1 = belts_apart/2-belt_thickness; difference() { hull() for(x=[x0,x1]) for(z=[z0,z1]) translate([x,0,z]) rotate([90,0,0]) cylinder(r=r,h=belt_width+2,center=true,$fn=30); translate([cw/2,0,belts_apart/2]) mirror([0,0,1]) belt(width=belt_width+2,l=cw/2+2,tolerance=fit_tolerance); } bgap = belt_thickness+belt_tooth+fit_tolerance; r1 = (belts_apart/3-bgap)/2; - echo(r1); hull() for(x=[mounting_holes_apart/2,x1]) translate([x,0,-r1-bgap]) rotate([90,0,0]) cylinder(r=r1,h=belt_width+2,center=true,$fn=30); - dgn= sqrt(pow(x1-x0,2)+pow(z1-z0,2)); - echo(dgn); - translate([x0,0,z0]) - rotate([90,0,0]) - * cylinder(r=dgn/2-r-belt_thickness,h=belt_width+2,center=true,$fn=30); /* pd = 4.5; // post diameter bhd = 5; // belt holder diameter translate([cw/2-pd/2,0,belts_apart/2-belts_thickness-bhd/2]) cube(size=[pd,belt_width,bhd],center=true); translate([(cw-pd)/2,0,0]) // TODO: z rotate([-90,0,0]) translate([0,0,-1]) cylinder(d=pd,h=belt_width+2,center=true,$fn=30); */ } } // difference translate([0,0,30/*heatsink height*//2]) for(mhft = mounting_holes_from_top) translate([mhft[0],0,-mhft[1]]) { rotate([90,0,0]) cylinder(d=screw_d+2*play_tolerance,h=bearings_d+2*bearings_s+2,center=true,$fn=30); translate([0,belt_width/2+screwhead_h+play_tolerance,0]) rotate([90,0,0]) cylinder(d=screwhead_d+2*play_tolerance,h=screwhead_h+play_tolerance+1,$fn=30); } } // difference } print=false; if(print) rotate([-90,0,0]) xcarriage(); else xcarriage(); |