gregs-lm8uu-holder.scad

// Gregs PRUSA Mendel  
// X-carriage
// Used for sliding on X axis
// GNU GPL v2
// Greg Frost
//https://github.com/GregFrost/PrusaMendel

include <configuration.scad>

clearance=0.7;

lm8uu_diameter=15+clearance;
lm8uu_length=24+clearance;
lm8uu_support_thickness=3.2; 
lm8uu_end_diameter=m8_diameter+1.5;

lm8uu_holder_width=lm8uu_diameter+2*lm8uu_support_thickness;
lm8uu_holder_length=lm8uu_length+2*lm8uu_support_thickness;
lm8uu_holder_height=lm8uu_diameter*0.75+lm8uu_support_thickness;
lm8uu_holder_gap=(lm8uu_holder_length-6*lm8uu_support_thickness)/2;

module lm8uu_bearing_holder()
{
	difference()
	{
		cube([lm8uu_holder_width,lm8uu_holder_length,lm8uu_holder_height]);
		translate([lm8uu_holder_width/2,0,lm8uu_holder_width/2])
		rotate([-90,0,0])
		translate([0,0,lm8uu_support_thickness])
		cylinder(r=lm8uu_diameter/2,h=lm8uu_length,$fn=40);

		translate([lm8uu_holder_width/2,0,lm8uu_holder_width/2])
		rotate([-90,0,0])
		translate([0,0,-1])
		{
			cylinder(r=lm8uu_end_diameter/2,h=lm8uu_holder_length+2,$fn=40);
			translate([-lm8uu_end_diameter/2,-lm8uu_end_diameter,0])
			cube([lm8uu_end_diameter,lm8uu_end_diameter,lm8uu_holder_length+2]);
		}

		translate([-1,2*lm8uu_support_thickness,lm8uu_support_thickness])
		cube([lm8uu_holder_width+2,lm8uu_holder_gap,
			lm8uu_holder_height-lm8uu_support_thickness+1]);

		translate([-1,4*lm8uu_support_thickness+lm8uu_holder_gap,
			lm8uu_support_thickness])
		cube([lm8uu_holder_width+2,lm8uu_holder_gap,
			lm8uu_holder_height-lm8uu_support_thickness+1]);
	}
}