From bd1ff22a7fae51d5f634d3d38a3c5b4c6949c093 Mon Sep 17 00:00:00 2001
From: Glen Chung <glen.tw@gmail.com>
Date: Wed, 16 Oct 2013 00:05:26 +0800
Subject: [PATCH] screws for micro switch assembly

---
 Hardware/Development/Y_axis/motor_stand.scad |  6 ++++--
 Hardware/Development/libs/micro_switch.scad  | 17 ++++++++++++++---
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/Hardware/Development/Y_axis/motor_stand.scad b/Hardware/Development/Y_axis/motor_stand.scad
index f8e309b..d4c2f06 100644
--- a/Hardware/Development/Y_axis/motor_stand.scad
+++ b/Hardware/Development/Y_axis/motor_stand.scad
@@ -230,10 +230,12 @@ module idle_stand(with_extra_parts=false) {
 		translate([0,wall_width+5-2*(wall_width+wall_extraWidth_right-52.4)]) holder(noScrews=true, with_extra_parts=with_extra_parts);
 		translate([0,52.4+5/2]) scale([1,-1,1]) holder(h=15,base_width_inc=1, with_extra_parts=with_extra_parts);
 	}
+
     if(!with_motor && with_extra_parts) {
-      translate([0,motor_width-19.8/2,wall_thickness])
+    // --- micro switch ---
+      translate([0,motor_width-idler_width/2,wall_thickness])
         rotate([-90, 0, 90])
-          color([0,0,0]) micro_switch();
+          micro_switch(with_extra_parts);
     }
 }
 
diff --git a/Hardware/Development/libs/micro_switch.scad b/Hardware/Development/libs/micro_switch.scad
index a552741..b6473ad 100644
--- a/Hardware/Development/libs/micro_switch.scad
+++ b/Hardware/Development/libs/micro_switch.scad
@@ -1,6 +1,7 @@
+include <MCAD/materials.scad>
+include <MCAD/metric_fastners.scad>
 
-
-module micro_switch() {
+module micro_switch(with_extra_parts=false) {
   difference() {
     cube([19.8, 10.8, 6.4]);
 
@@ -8,12 +9,22 @@ module micro_switch() {
       translate([0, 0, -0.5])
       cylinder(h = 7.4, R=2.6, $fn=100);
       translate([9.5, 0, -0.5])
-      cylinder(h = 7.4, R=2.0, $fn=100);
+      cylinder(h = 7.4, R=2.6, $fn=100);
     }
   }
   translate([2.8, 10.8, 1.2])
   rotate([0,0,10])
   cube([17,1,4]);
+
+  if(with_extra_parts) {
+    // --- Self tapping screw 2.2 x 13mm ---
+    translate([5.15, 2, 0]) color(Steel) {
+      translate([0, 0, 0.5+6.4])
+        rotate([180,0,0]) csk_bolt(2.2, 13);
+      translate([9.5, 0, 0.5+6.4])
+        rotate([180,0,0]) csk_bolt(2.2, 13);
+    }
+  }
 }
 
 micro_switch();