Stability reinforcement

Modified PSU cover and added new part for better frame stability

Printed-Parts/scad/PSU-Y-part.scad

@@ -0,0 +1,66 @@
+// PRUSA iteration3
+// PSU-Y reinforcement part 
+// GNU GPL v3
+// Josef Průša <iam@josefprusa.cz> and contributors
+// http://www.reprap.org/wiki/Prusa_Mendel
+// http://prusamendel.org
+
+module base()
+{
+union(){
+    difference(){
+        union(){
+        translate([ 5, -23, 0 ]) cube([ 25, 38, 15 ]);  // horizontal plate
+        translate([ -23, -2, 0 ]) cube([ 28, 17, 28 ]);  // Y_Corner block    
+        }
+        translate( [ 4 , -25 , -1 ] ) cube( [ 9 , 23 , 18 ] );  //  holder side cut
+    }
+    difference(){    
+        translate([ 8, -7, 0 ]) cube([ 5, 5, 15 ]);  // fillet block
+        translate([ 8, -7, -1 ]) cylinder( h = 28, r = 5, $fn=30);  // fillet cut
+        }
+    }
+}
+
+
+module cutout()
+    {
+    translate([ 22, 4 , -2 ]) cylinder( h = 20, r = 1.6, $fn=30);  // M3 hole A
+    translate([ 22, 4 , -1 ]) cylinder( h = 10, r = 3.2, $fn=6);  // M3 nut body A        
+    translate([ 22, 4 , -1 ]) cylinder( h = 14, r1 = 3.2, r1 = 5, $fn=6);  // M3 nut hole fillet A
+        
+    translate([ 22, -16 , -2 ]) cylinder( h = 20, r = 1.6, $fn=30);  // M3 hole B
+    translate([ 22, -16 , -1 ]) cylinder( h = 10, r = 3.2, $fn=6);  // M3 nut body B
+    translate([ 22, -16 , -1 ]) cylinder( h = 14, r1 = 3.2, r1 = 5, $fn=6);  // M3 nut hole B fillet
+
+    translate([ -13, 14 , 14 ]) rotate([90,0,0]) cylinder( h = 25, r = 5.2, $fn=30);  // threaded rod
+    
+    translate([ -13, 0 , 14 ]) rotate([90,0,0]) cylinder( h = 4, r = 13, $fn=30);  // washer
+    translate([ -29, -7 , 14 ])  cube([ 29, 7, 18 ]);  // washer upper cut
+    
+    translate([ -24, 13 , -1 ]) cube([ 20, 15, 30 ]);  // Y_Corner cutaway
+
+    //vertical corners 45 degree cut
+    translate( [ 12, -31 , -2 ] ) rotate( [0,0,45] ) cube([ 10 , 10 , 21 ]);  
+    translate([ 31,  9, -2 ])  rotate( [0,0,45] ) cube([ 10, 10, 21 ]);  
+    translate([ 31, -31, -2 ]) rotate( [0,0,45] ) cube([ 10, 10, 21 ]);  
+
+    // horizontal corners 45 degree cut
+    translate([ -8.5, -8, 28.5 ]) rotate( [0,45,0] ) cube([ 19, 40, 20 ]);  
+    translate([ -31, -6, 30 ]) rotate( [0,45,0])  cube([ 10, 35, 10 ]);  
+    translate([ -31, -6, -2 ]) rotate( [0,45,0] ) cube([ 10, 35, 10 ]);  
+    translate([ -26, -4,  2.5 ]) rotate( [45,0,0] ) cube([ 5, 5, 5 ]);  
+    translate([ -1, -4, 16.5 ]) rotate( [45,0,0] ) cube([ 5, 5, 5 ]);  
+    translate([ -5, 16.6, 20.5 ]) rotate( [45,0,0] ) cube([ 5, 5, 5 ]);  
+    translate([ -30, 15, -5 ]) rotate( [45,0,0] ) cube([ 70, 5, 5 ]);  
+}
+
+module final_part(){
+difference()
+{
+    base();
+    cutout();
+    }
+}
+
+final_part();

Printed-Parts/scad/PSU-cover-NODRILL.scad

@@ -1,8 +1,15 @@
+// PRUSA iteration3
+// PSU Cover
+// GNU GPL v3
+// Josef Průša <iam@josefprusa.cz> and contributors
+// http://www.reprap.org/wiki/Prusa_Mendel
+// http://prusamendel.org
 
-
-
+module PSU_COVER()
+{
 difference(){
 union(){
+    
 translate([0,0,-1])cube([95,50+15,56]); // Base
 
 translate([0,0,-3.5])cube([14-0.5,50+15,5]); // Back pillar 1
@@ -23,8 +30,10 @@ translate([0,35,46.5])scale([1.2,1,0.2])rotate([-28,-50,-58])cube([45,45,30]);
 translate([-1.6,0,0])cube([1.65,65,2]); // Frame skirt 1
 translate([-1.6,0,0])cube([1.65,30,55]); // Frame skirt 2
 translate([-1.6,0,51])cube([1.65,65,4]); // Frame skirt 3
+  
 }
 
+
 //pretty corners
 translate([-11,-2,-2])rotate([0,0,-45])cube([10,10,58]);
 translate([95-3+5+1,-2,-2])rotate([0,0,-45])cube([10,10,58]);
@@ -101,3 +110,38 @@ translate([20+i,6,-10])cylinder(r=3,h=50); //  left back mounthole cutout
 
 
 }
+}
+
+module PSU_Y_REINFORCEMENT()
+{
+difference()
+{
+    union()     // base shape
+        {
+            translate([ 59.5, 0, -18 ]) cube([ 33, 6, 19 ]);  // reinforcement plate
+            translate([ 73.5, 6, -18 ]) cube([ 5, 15, 19 ]);  // vertical_reinforcement    
+        }
+    union ()    // cutouts
+        {
+            
+            translate([ 88, 8, -10.5 ]) rotate([ 90, 0, 0]) cylinder( h = 10, r = 1.6, $fn=30 );  //hole A
+            translate([ 68, 8, -10.5 ]) rotate([ 90, 0, 0 ]) cylinder( h = 10, r = 1.6, $fn=30 );  //hole B
+            
+            translate([ 87.5, -8, -20 ]) rotate([ 0, 45, 0 ]) cube([ 10, 20, 10 ]);  //corner cut
+            translate([ 52.5, -8, -20 ]) rotate([ 0, 45, 0 ]) cube([ 10, 20, 10 ]);  //corner cut
+            translate([ 68.5, 20, -34 ]) rotate([ 45, 0, 0 ]) cube([ 15, 23, 20 ]);  //vertical reinf cutout
+        }
+}
+}
+
+module FINAL_PART(){
+    union()
+        {
+            PSU_COVER();
+            PSU_Y_REINFORCEMENT();
+        }   
+}
+
+FINAL_PART();
+
+