238 lines
8.8 KiB
OpenSCAD
238 lines
8.8 KiB
OpenSCAD
// PRUSA MM upgrade
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// extruder-body-mm
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// GNU GPL v3
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// Josef Průša <iam@josefprusa.cz> and contributors
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// http://www.reprap.org/wiki/Prusa_Mendel
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// http://prusamendel.org
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module extruder_body_base()
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{
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difference()
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{
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union()
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{
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translate( [ -21, -22, 22] ) rotate([0,0,0]) cube( [ 42, 43, 4] );
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// filament tubes body
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translate([3,4.25,7]) rotate([0,90,0]) cylinder( h=18, r=5, $fn=30 );
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translate([-26,4.25,7]) rotate([0,90,0]) cylinder( h=23, r=5, $fn=30 );
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// filament tube printing support
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translate( [ -15, 2, 8] ) rotate([0,0,0]) cube( [ 9, 5, 18] );
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translate( [ -10, 2, 8] ) rotate([0,-30,0]) cube( [ 8, 5, 8] );
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translate( [ 7, 2, 8] ) rotate([0,0,0]) cube( [ 9, 5, 18] );
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translate( [ 3, 2, 12] ) rotate([0,30,0]) cube( [ 8, 5, 8] );
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// sprint tension nuts body
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translate( [ -13, -12, -2] ) rotate([0,0,0]) cube( [ 10, 8, 28] );
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// side walls
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translate( [ -15, -14, -2] ) rotate([0,0,0]) cube( [ 4, 28, 28] );
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translate( [ -19, -22, -2] ) rotate([0,0,0]) cube( [ 35, 3, 28] );
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translate( [ 16, -22, -2] ) rotate([0,0,0]) cube( [ 8, 35, 28] );
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translate( [ -17, -22, -2] ) rotate([0,0,0]) cube( [ 30, 7, 28] );
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translate( [ -6, 2, 11] ) rotate([0,-18,0]) cube( [ 3, 5, 13] );
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translate([-15.5,15.5,-2]) cylinder( h=28, r=5.5, $fn=6 );
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translate([-15.5,-15.5,-2]) cylinder( h=28, r=5.5, $fn=6 );
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translate([15.5,-15.5,-2]) cylinder( h=28, r=5.5, $fn=6 );
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// input PTFE tube support
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translate( [ -21, 2, 10] ) rotate([0,0,0]) cube( [ 8, 4, 13] );
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translate( [ -26, 2, 11] ) rotate([0,25,0]) cube( [ 8, 4, 13] );
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translate( [ 16, 2, 10] ) rotate([0,0,0]) cube( [ 5, 4, 13] );
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}
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// shared side wall cut
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translate( [ -11, -20, -4] ) rotate([0,0,0]) cube( [ 22, 7, 29] );
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// filament
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translate([-50,4.25,7]) rotate([0,90,0]) cylinder( h=100, r=1, $fn=30 );
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// filament entry
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translate([-15,4.25,7]) rotate([0,90,0]) cylinder( h=10, r1=2, r2=1, $fn=30 );
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// filament PTFE tubes
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translate([6,4.25,7]) rotate([0,90,0]) cylinder( h=30, r=2.2, $fn=30 );
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translate([-44,4.25,7]) rotate([0,90,0]) cylinder( h=30, r=2, $fn=30 );
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translate([-51,4.25,7]) rotate([0,90,0]) cylinder( h=30, r=3, r2=2, $fn=30 );
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// pulley distances
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translate([0,0,1]) cylinder( h=18, r=5, $fn=30 );
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translate([0,8.5,1]) cylinder( h=18, r=5, $fn=30 );
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translate([1,0,12.5]) cylinder( h=6, r=5.5, $fn=30 );
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translate([1,8.5,12.5]) cylinder( h=6, r=5.5, $fn=30 );
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translate([0,0,12.5]) cylinder( h=6, r=5.5, $fn=30 );
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translate([0,8.5,12.5]) cylinder( h=6, r=5.5, $fn=30 );
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translate( [-7.3, -1, 3] ) rotate([0,-5,-45]) cube( [ 5, 6, 19] );
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translate( [-2.8, 1, 3] ) rotate([0,-5,0]) cube( [ 5, 6, 19] );
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translate( [-3.3, 6, 3] ) rotate([0,-5,45]) cube( [ 5, 6, 19] );
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translate( [4, 6.5, 3] ) rotate([0,0,45]) cube( [ 4, 4, 19] );
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translate( [4, -3.5, 3] ) rotate([0,0,45]) cube( [ 4, 4, 19] );
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// idler spacing
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translate( [ -10, -1, -11] ) rotate([0,0,0]) cube( [ 16, 12, 15] );
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translate([-8,10,16.5]) rotate([0,90,90]) cylinder( h=13, r1=5, r2=6, $fn=30 );
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translate([-8,10,4]) rotate([0,90,90]) cylinder( h=13, r1=5, r2=6, $fn=30 );
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// spring tension screws
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translate([-8,-23,16.5]) rotate([0,90,90]) cylinder( h=52, r=1.7, $fn=30 );
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translate([-8,-23,4]) rotate([0,90,90]) cylinder( h=52, r=1.7, $fn=30 );
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translate([-8,-15,16.5]) rotate([0,90,90]) cylinder( h=18, r=1.7, $fn=30 );
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translate([-8,-15,4]) rotate([0,90,90]) cylinder( h=18, r=1.7, $fn=30 );
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// spring tension nuts
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translate( [ -25, -9, 1] ) rotate([0,0,0]) cube( [ 20, 2.2, 6] );
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translate( [ -25, -9, 13.5] ) rotate([0,0,0]) cube( [ 20, 2.2, 6] );
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// motor mounting screws
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translate([-15.5,15.5,-3]) cylinder( h=30, r=1.6, $fn=30 );
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translate([15.5,15.5,-3]) cylinder( h=30, r=1.6, $fn=30 );
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translate([-15.5,-15.5,-3]) cylinder( h=30, r=1.6, $fn=30 );
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translate([15.5,-15.5,-3]) cylinder( h=30, r=1.6, $fn=30 );
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// idler washer opening
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translate([15.5,15.5,21.2]) cylinder( h=1, r=3.6, $fn=30 );
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// motor mounting screw heads
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translate([-15.5,15.5,24]) cylinder( h=4, r=3.2, $fn=30 );
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translate([15.5,15.5,24]) cylinder( h=4, r=3.2, $fn=30 );
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translate([-15.5,-15.5,24]) cylinder( h=4, r=3.2, $fn=30 );
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translate([15.5,-15.5,24]) cylinder( h=4, r=3.2, $fn=30 );
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translate([-15.5,15.5,25.5]) cylinder( h=1, r=3.2, r2=3.8, $fn=30 );
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translate([15.5,-15.5,25.5]) cylinder( h=1, r=3.2, r2=3.8, $fn=30 );
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translate([-15.5,-15.5,25.5]) cylinder( h=1, r=3.2, r2=3.8, $fn=30 );
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translate([15.5,15.5,25.5]) cylinder( h=1, r=3.2, r2=3.8, $fn=30 );
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// motor face
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translate([0,0,-2]) cylinder( h=2, r=11.5, $fn=30 );
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// top hole
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//#translate([0,0,21]) rotate([0,0,0]) cylinder( h=6, r=9, $fn=6 );
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translate([-3,-6,-3]) rotate([0,0,45]) cube([5,5,50]);
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// front wall idler round cutoff
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translate([15.5,15.5,-3]) cylinder( h=25, r=6.5, $fn=30 );
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// top / bottom opening hole
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translate([-7,-4,21.9]) rotate([0,0,0]) cube([14,19,10]);
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translate([-3,-11,21]) rotate([0,0,0]) cube([18,13,10]);
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translate([-9,-4,27]) rotate([0,45,0]) cube([5,19,5]);
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translate([2,-4,27]) rotate([0,45,0]) cube([5,19,5]);
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translate([-8,15,25]) rotate([45,0,0]) cube([16,5,5]);
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translate([-8,-4,25]) rotate([45,0,0]) cube([16,5,5]);
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translate([-3,-11,25.5]) rotate([45,0,0]) cube([18,5,5]);
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translate([-3,2,25]) rotate([45,0,0]) cube([18,5,5]);
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translate([-6.5,-11.5,29]) rotate([0,45,0]) cube([5,10,5]);
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translate([11.5,-11.5,29]) rotate([0,45,0]) cube([5,14.5,5]);
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// 45 EDGES
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translate([21,18,21]) rotate([0,0,45]) cube([10,10,10]);
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translate([-21,18,21]) rotate([0,0,45]) cube([10,10,10]);
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// shared wall opening
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translate([3,-18,12]) rotate([90,90,0]) cylinder( h=25, r=9, $fn=6 );
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// festo mounting reinforcement
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translate([20,4.25,7]) rotate([0,90,0]) cylinder( h=3.5, r=3.9, $fn=30 );
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translate([23,4.25,7]) rotate([0,90,0]) cylinder( h=1.5, r=5.2, $fn=30 );
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translate([22,4.25,7]) rotate([0,90,0]) cylinder( h=2, r1=3.9, r2=4.55, $fn=30 );
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// screw heads upside down print support
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translate( [ -15.5 , 15.5 ,27] ) rotate([0,180,0])
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{
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intersection(){cylinder(r=3.2, h=10, $fn=30);
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translate( [ 0 , 0 , 2.5 ] ) cube([3.8,8,2], center=true);}
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translate( [ 0 , 0 , 3 ] ) cube([3.8,3.8,2], center=true);
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}
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translate( [ -15.5 , -15.5 ,27] ) rotate([0,180,0])
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{
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intersection(){cylinder(r=3.2, h=10, $fn=30);
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translate( [ 0 , 0 , 2.5 ] ) cube([3.8,8,2], center=true);}
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translate( [ 0 , 0 , 3 ] ) cube([3.8,3.8,2], center=true);
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}
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translate( [ 15.5 , -15.5 ,27] ) rotate([0,180,0])
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{
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intersection(){cylinder(r=3.2, h=10, $fn=30);
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translate( [ 0 , 0 , 2.5 ] ) cube([3.8,8,2], center=true);}
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translate( [ 0 , 0 , 3 ] ) cube([3.8,3.8,2], center=true);
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}
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translate( [ 15.5 , 15.5 ,27] ) rotate([0,180,0])
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{
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intersection(){cylinder(r=3.2, h=10, $fn=30);
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translate( [ 0 , 0 , 2.5 ] ) cube([3.8,8,2], center=true);}
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translate( [ 0 , 0 , 3 ] ) cube([3.8,3.8,2], center=true);
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}
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}
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translate( [ -10.1, 2, 23] ) rotate([0,60,0]) cube( [ 3, 5, 3] );
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}
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module extruder_body()
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{
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difference()
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{
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extruder_body_base();
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translate( [ -21, -25, 47] ) rotate([0,27,0]) cube( [ 55, 50, 5] );
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translate( [ 19, -30, 29] ) rotate([0,70,0]) cube( [ 30, 50, 8] );
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translate([8,-9,12]) rotate([0,90,0]) cylinder( h=25, r=1.5, $fn=50 );
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translate( [ 15.5, -12, 9] ) cube( [ 4, 6, 6] );
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}
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}
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difference()
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{
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union()
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{
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extruder_body();
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translate([0,-44,0]) mirror([0,1,0]) extruder_body();
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}
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translate([22,9,20]) rotate([0,65,0]) cylinder( h=1, r=2, $fn=30 );
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translate([22,4,20]) rotate([0,65,0]) cylinder( h=1, r=2, $fn=30 );
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translate([22,-53,20]) rotate([0,65,0]) cylinder( h=1, r=2, $fn=30 );
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}
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