shorten x endstop by 2mm

[clinton/wilson.git] / scad / x-end-motor.scad

diff --git a/scad/x-end-motor.scad b/scad/x-end-motor.scad
index 94593d8..b430f6a 100644 (file)
--- a/scad/x-end-motor.scad
+++ b/scad/x-end-motor.scad
@@ -4,6 +4,7 @@
 // Josef Průša <iam@josefprusa.cz> and contributors
 // http://www.reprap.org/wiki/Prusa_Mendel
 // http://prusamendel.org
+// Alterations for reprap Wilson by Martin Rice <mrice411@gmail.com>
 
 use <x-end.scad>
 
@@ -11,6 +12,7 @@ offs_adjuster_y = 5.5;
 adj_block_x = 12;
 adj_block_y = 10;
 adj_block_z = 32;
+motor_offs_z = 0;
 
 module adjustomatic() {
 
@@ -26,7 +28,7 @@ module adjustomatic() {
 
        translate(v=[-(15+17/2+adj_block_x/2),offs_adjuster_y,58-adj_block_z/2+14]) 
            {
-         rotate([0,0,30]) #cylinder(h = 4, r=3.1, $fn = 6);
+         rotate([0,0,30]) #cylinder(h = 4, r = 7.5/2 , $fn = 6);
          translate([0,0,-20]) #cylinder(h=30,r=2,$fn=16);
 }
 
@@ -34,35 +36,79 @@ module adjustomatic() {
 
 }
 
+// the endstop mount will be translated by this much (negative values
+// mean it moves away from the motor and toward the X carriage, giving
+// more room for leads and also extra space for the auto bedleveling
+// servo housing which is on this side of the extruder):
+endstop_sw_offs_adjust = -2;
+
+module pocket_endstop() // endstop holder grafted onto the side toward the rods
+{
+  translate([-7,-45,0]) 
+    union() {
+      // angled wall that attaches to the endstop holder
+      translate([-1,18,0]) rotate([0,0,-30]) cube(size=[8.5,2,22]);
+      // little bit of extra support at the bottom corner 
+      translate([-1.5,15.,2]) rotate([0,90,0]) cube(size=[2,3,10]);
+      
+      difference() {
+       translate([-1.5,endstop_sw_offs_adjust,0]) cube(size=[9,20.5,22]);
+           
+       translate([-2,endstop_sw_offs_adjust,1]) cube(size=[7,21,22]);
+       #translate([0,15.5,8]) cube(size=[10,5,20]);
+
+       // screw holes for endstop switch
+       translate([-2,7+endstop_sw_offs_adjust,1.5+5.5]) rotate([0,90,0]) cylinder(r=1.5,h=15);
+       translate([-2,7+endstop_sw_offs_adjust,1.5+5.5+9.5]) rotate([0,90,0]) cylinder(r=1.5,h=15);
+      }
+    }
+}
+
+module x_end_motor_sr() {
+    difference() { 
+       cube(size=[8,12,10]);
+       #translate([4,11.5,9]) rotate([0,90,0]) 
+               difference() { cylinder(r=4.5,h=4,$fn=16,center=true);
+                              translate([0,0,-1]) cylinder(r=2.5,h=7,$fn=16,center=true);
+               }
+
+        #translate([9,10.6,10]) rotate([0,45,90]) cube(size=[2,11,2]);
+    }
+}
+
 module x_end_motor_base(){
  x_end_base();
  // motor arm
- translate(v=[-15,31,26.5]) cube(size = [17,44,53], center = true);
+ translate(v=[-15,31,26.5+motor_offs_z]) cube(size = [17,44,53], center = true);
  // z stop adjuster
  adjustomatic();
+ // x endstop holder
+ pocket_endstop();
 }
 
+screw_head_r = 3.5;
+
 module x_end_motor_holes(){
  x_end_holes();
  // Position to place
- translate(v=[-1,32,30.25]){
+ translate(v=[-1,32,30.25+motor_offs_z]){
   // Belt hole
   translate(v=[-14,1,0]) cube(size = [10,46,22], center = true);
   // Motor mounting holes
   translate(v=[20,-15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=1.8, $fn=30);
-  translate(v=[1,-15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 10, r=3.1, $fn=30);
+  translate(v=[1,-15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 12, r=screw_head_r, $fn=30);
  
 
   translate(v=[20,-15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=1.8, $fn=30);
-  translate(v=[1,-15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 10, r=3.1, $fn=30);
+  translate(v=[1,-15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 12, r=screw_head_r, $fn=30);
 
 
   translate(v=[20,15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=1.8, $fn=30);
-  translate(v=[1,15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 10, r=3.1, $fn=30);
+  translate(v=[1,15.5,-15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 12, r=screw_head_r, $fn=30);
 
 
   translate(v=[20,15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=1.8, $fn=30);
-  translate(v=[1,15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 10, r=3.1, $fn=30);
+  translate(v=[1,15.5,15.5]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 12, r=screw_head_r, $fn=30);
 
   // Material saving cutout 
   translate(v=[-10,12,10]) cube(size = [60,42,42], center = true);
@@ -71,6 +117,14 @@ module x_end_motor_holes(){
   translate(v=[-10,40,-30]) rotate(a=[45,0,0])  cube(size = [60,42,42], center = true);
   // Motor shaft cutout
   translate(v=[0,0,0]) rotate(a=[0,-90,0]) rotate(a=[0,0,90]) cylinder(h = 70, r=17, $fn=6);
+
+  // zip tie retainer for securing end stop wiring
+  #translate([-5,-59,14]) difference() { cylinder(r=4.5,h=4,$fn=16);
+                                          translate([0,0,-1]) cylinder(r=2.5,h=7,$fn=16);
+                                        }
+  #translate([-5,-46,28]) rotate([90,0,0]) difference() { cylinder(r=4.5,h=4,$fn=16,center=true);
+       translate([0,0,-1]) cylinder(r=2.5,h=7,$fn=16,center=true);
+  }
  }
 }
 
@@ -80,6 +134,9 @@ module x_end_motor(){
   x_end_motor_base();
   x_end_motor_holes();
  }
+ // strain relief (zip tie point) below the motor 
+ translate([-23.5,9,53]) x_end_motor_sr(); 
 }
 
-x_end_motor();
\ No newline at end of file
+rotate([0,0,180])
+x_end_motor();