bar-clamp.scad

// PRUSA Mendel  
// Bar clamp
// Used for joining 8mm rods
// GNU GPL v3
// Josef Průša
// josefprusa@me.com
// prusadjs.cz
// http://www.reprap.org/wiki/Prusa_Mendel
// http://github.com/prusajr/PrusaMendel

include <configuration.scad>

/**
 * @id bar-clamp
 * @name Bar clamp
 * @category Printed
 * @using 2 m8nut
 * @using 2 m8washer
 */ 

module barclamp(){
  outer_diameter = threaded_rod_diameter/2 + 2.4;

  difference(){
	  union(){
		  translate([outer_diameter, outer_diameter, 0])
      cylinder(h =outer_diameter*2, r = outer_diameter, $fn = 20);

		  translate([outer_diameter, 0, 0])
      cube([outer_diameter+1.5,outer_diameter*2,outer_diameter*2]);

		  translate([18, 2*outer_diameter, outer_diameter])
      rotate([90, 0, 0])
      nut(outer_diameter*2, outer_diameter*2, false);
	  }

  	translate([18, outer_diameter, 9])
    cube([18,05,20], center=true);

  	translate([outer_diameter, outer_diameter, -1])
    cylinder(h = 20, r = threaded_rod_diameter/2, $fn = 18);

  	translate([17, 17, 7.5])
    rotate([90, 0, 0])
    cylinder(h = 20, r = threaded_rod_diameter/2, $fn = 20);
  }
}

barclamp();