From 9c5bff52f2050788bc2469a27fdb8f8d692caa01 Mon Sep 17 00:00:00 2001
From: michalprusa <git@michalprusa.cz>
Date: Wed, 16 Mar 2016 15:37:51 +0100
Subject: [PATCH] Modified dimensions and new belt trap system

Modified dimension of whole carriage to allow full 250mm travel
distance and new belt trap for easier assembly
---
 Printed-Parts/scad/x-carriage.scad | 115 ++++++++++++++---------------
 1 file changed, 57 insertions(+), 58 deletions(-)

diff --git a/Printed-Parts/scad/x-carriage.scad b/Printed-Parts/scad/x-carriage.scad
index 83fe04a..cdc7920 100755
--- a/Printed-Parts/scad/x-carriage.scad
+++ b/Printed-Parts/scad/x-carriage.scad
@@ -13,36 +13,46 @@ module x_carriage_base(){
  // Long bearing holder
  translate([-33/2,45,0]) rotate([0,0,90]) horizontal_bearing_base(2);
  // Base plate
- translate([-33,-11.5,0]) cube([33,68,7]);
+ translate([-33,-12.5,0]) cube([33,69,7]);
+
  // Belt holder base
- translate([-33,20,0]) cube([33,16,17]);
- // Belt diverter R
- translate([7.5,27,0]) cube([5,7,17]);
- translate([-0.5,27,0]) cube([8,7,2]);
- translate([4,33,0]) rotate([0,0,-45]) cube([5,5,10]);
+ translate([-42.5,20,0]) cube([52,16,7]);
+ translate([-16.5-12,24.5,0])cylinder(r=4.5, h=15, $fn=25);
+ translate([-16.5+12,24.5,0])cylinder(r=4.5, h=15, $fn=25); 
+ 
+  // Endstop trigger nipple
+  scale([1.6,1.1,1])translate([1.5,-11.5,0])rotate([0,0,90])cylinder(r=5, h=12, $fn=6);  
     
- // Belt diverter L
- translate([-33,3,00]){scale([-1,1,1]){
- translate([7.5,27,0]) cube([5,4,17]);
+    // Belt Insert R
+    difference(){
+    union(){
+    translate([2,27,0]) cube([10,6,15]);
+ translate([2,27-2.3-4.5,0]) cube([10,4.5,15]);
+ translate([-0.5,27,0]) cube([8,7,2]);
+    }
+    translate([-3,25,5.5]) rotate([0,0,-40]) cube([5,5.5,10]);
+}
+    
+ // Belt Insert L
+difference(){
+    union(){
+ translate([-33,3,00]){scale([-1,1,1]){
+ translate([0,27,0]) cube([12.5,3,15]);
+ translate([2,27-7.5-2.3,0]) cube([12.5,7.5,15]);
  translate([-0.5,27,0]) cube([8,7,2]);
- translate([4,33,0]) rotate([0,0,-45]) cube([5,5,10]);
  }}
+ 
+ }
+ 
+ translate([-36.5,27.7,5.5]) rotate([0,0,-55]) cube([5,5.5,10]);
+ 
+ }
     
 }
 
 module x_carriage_beltcut(){
- // Cut in the middle for belt
- translate([-2.5-16.5+1,19,7]) cube([4.5,13,15]);
- // Cut clearing space for the belt
- translate([-38,5,7]) cube([40,13,15]);
- // Belt slit
- translate([-37,21.5+10,6]) cube([41,0.6,15]);
- // Smooth entrance
- translate([-40,21.5+10,14]) rotate([45,0,0]) cube([42,15,15]);
- // Teeth cuts
- for ( i = [0 : 17] ){
-  translate([0-i*2,21.5+8.5,6]) cube([1.1,2,15]);
- }
+
+
 }
 
 module x_carriage_holes(){
@@ -52,21 +62,38 @@ module x_carriage_holes(){
  translate([-33/2,45,0]) rotate([0,0,90]) horizontal_bearing_holes(2);
   // Extruder mounting holes
   translate([-16.5+12,24.5,-1])cylinder(r=1.7, h=20, $fn=25);
-  translate([-16.5+12,24.5,10])cylinder(r=3.2, h=20, $fn=6); 
+  translate([-16.5+12,24.5,12])cylinder(r=5.8/2, h=20, $fn=25); 
   translate([-16.5-12,24.5,-1])cylinder(r=1.7, h=20, $fn=25);
-  translate([-16.5-12,24.5,10])cylinder(r=3.2, h=20, $fn=6); 
+  translate([-16.5-12,24.5,12])cylinder(r=5.8/2, h=20, $fn=25); 
    
   // Carriage alignment
   // translate([-33,24.5-6-0.25,-0.01])cube([33,3.5,1.25]); 
+   
+  // Cables keepout
+  translate([-12,-18.1,-1])cube([10,6,30]);  
+  translate([-27,-12.5,0])cube([25,0.5,12]);
+   
+    
+  // Carriage slimer
+    translate([-55.5+3,19,-1])cube([10,40,30]);
+    translate([+12.5-3,19,-1])cube([10,40,30]);
+    
+    translate([+12.5-3.5-2,19,-1])rotate([0,90-65,0])cube([10,40,30]);
+    translate([-55.5+6.7+2,19,-10])rotate([0,-90+65,0])cube([10,40,30]);
+  // Filament hole
+   translate([-33/2,-10,1])rotate([0,0,90])cylinder(r=1.52, h=20, $fn=10); 
+   
 }
 
 module x_carriage_fancy(){
  // Top right corner
  translate([13.5,-5,0]) translate([0,45+11.5,-1]) rotate([0,0,45]) translate([0,-15,0]) cube([30,30,20]);
- // Bottom right corner
- translate([0,5,0]) translate([0,-11.5,-1]) rotate([0,0,-45]) translate([0,-15,0]) cube([30,30,20]);
+ // Belt Smooth insert
+ translate([0,36.5,23.5]) rotate([45,0,0]) translate([0,-15,0]) cube([20,10,10]);
+ translate([-52.9,36.5+3,23.5]) rotate([45,0,0]) translate([0,-15,0]) cube([20,10,10]);   
+    
  // Bottom ĺeft corner
- //translate([-33,5,0]) translate([0,-11.5,-1]) rotate([0,0,-135]) translate([0,-15,0]) cube([30,30,20]);
+ translate([-33,5,0]) translate([0,-11.5,-1]) rotate([0,0,-135]) translate([0,-15,0]) cube([30,30,20]);
  // Top left corner
  translate([-33-13.5,-5,0]) translate([0,45+11.5,-1]) rotate([0,0,135]) translate([0,-15,0]) cube([30,30,20]);	
 }
@@ -74,44 +101,16 @@ module x_carriage_fancy(){
 // Final part
 module x_carriage(){
  difference(){
-     union(){
+   
   x_carriage_base();
-     translate([-34+4,-11,0])rotate([0,0,90])cylinder(r=5, h=12, $fn=6); 
-         
-          translate([-34+4,-12-3.5,0])rotate([0,0,90])cylinder(r=5, h=12, $fn=6);
-         
-         //translate([-36,-15.5,0])cube([12,4.5,12]);
-     }
+ 
   x_carriage_beltcut();
   x_carriage_holes();
   x_carriage_fancy();
      
-     
-     translate([-34+4,-12-3.5,-1])rotate([0,0,0])cylinder(r=1.6, h=15, $fn=15); 
-   
-  translate([-34+4,-12-3.5,-1])rotate([0,0,90])cylinder(r=3.25, h=7, $fn=6);  
-     
-     
  }
 }
 
-difference(){
-union(){
-difference(){
+
 x_carriage();
-    
-    translate([-35,14,13.5])cube([40,15,20]);
-    
-}
 
-translate([-11.5-3,20,7])cube([4.7,9,15]);
-
-}
-
-
-//translate([-15.5-2,25,21-3])rotate([0,90,0])cylinder(r=3.25, h=5, $fn=6); 
-translate([-40,21.5+10,18]) rotate([45,0,0]) cube([42,15,15]);
-translate([-40,21.5-4,18]) rotate([45,0,0]) cube([42,15,15]);
-translate([-15.5,25,21-3])rotate([0,90,0])cylinder(r=1.6, h=15, $fn=15); 
-
-}