From: Václav 'Ax' Hůla <axtheb@gmail.com>
Date: Fri, 11 Oct 2013 15:23:34 +0000 (+0200)
Subject: Fix for wade brushing against the carriage
X-Git-Url: https://git.hcoop.net/clinton/prusa3.git/commitdiff_plain/eb42a4d8b9f0f49cf1bb0b777fb62253f3e19330

Fix for wade brushing against the carriage
---

diff --git a/box_frame/extras/gregs-wade-v3.scad b/box_frame/extras/gregs-wade-v3.scad
index cd580ba..97eefeb 100644
--- a/box_frame/extras/gregs-wade-v3.scad
+++ b/box_frame/extras/gregs-wade-v3.scad
@@ -149,7 +149,7 @@ block_bevel_r=6;
 base_thickness=12;
 base_length=70+2-6;
 base_leadout=25+2+1-6;
-base_extra_depth=0;
+base_extra_depth=(bushing_xy[0] < 5 ? 11 : 0);
 
 nema17_hole_spacing=31; 
 nema17_width=1.7*25.4;
diff --git a/box_frame/extras/wade-gears.scad b/box_frame/extras/wade-gears.scad
new file mode 100644
index 0000000..2c2e160
--- /dev/null
+++ b/box_frame/extras/wade-gears.scad
@@ -0,0 +1,106 @@
+// Herringbone extruder gears
+// GNU GPL v3
+// Václav 'ax' Hůla <axtheb@gmail.com>
+// Josef Průša <josefprusa@me.com>
+
+include <../configuration.scad>
+use <inc/parametric_involute_gear_v5.0.scad>
+
+gear_distance = 40;
+
+small();
+%translate([gear_distance, 0, 0]) rotate([0, 180, 92]) big(); //this should touch, teeth should mesh
+translate([-gear_distance - 10, 10, 0]) big();
+
+gear_width=12;
+teeth_small=15;
+teeth_big=49;
+teeth_twist=400;
+circular_pitch = (gear_distance * 180 * 2) / (teeth_small + teeth_big);
+echo (circular_pitch);
+
+module small(){
+    difference() {
+        union() {
+            mirror([0, 0, 1 ]) gear (number_of_teeth=teeth_small,
+                    circular_pitch=circular_pitch,
+                    gear_thickness = gear_width/2,
+                    rim_thickness = gear_width/2,
+                    hub_thickness = 0,
+                    hub_diameter = 18,
+                    bore_diameter = 5.25,
+                    circles=0,
+                    twist = teeth_twist/teeth_small);
+            gear (number_of_teeth=teeth_small,
+                    circular_pitch=circular_pitch,
+                    gear_thickness = gear_width/2,
+                    rim_thickness = gear_width,
+                    hub_thickness = 0,
+                    hub_diameter = 18,
+                    bore_diameter = 5.25,
+                    circles=0,
+                    twist = teeth_twist/teeth_small*2);
+            //hub. Two part to make it thicker
+            translate([0, 0, gear_width / 2 + 0.5]) {
+                cylinder(r1=8, r2=11, h=2.5);
+            }
+            translate([0, 0, gear_width / 2 + 3]) {
+                cylinder(r=11, h=6);
+            }
+        }
+        //bore
+        translate([0, 0, -gear_width / 2 + 0.1]) cylinder(r=5.25 / 2, h=gear_width + 9.2);
+
+        translate([0, 0, gear_width / 2 + 4.5]) rotate([0, 90, 0]) {
+            cylinder(r=m3_diameter / 2, h=20);
+            translate([0, 0, 5]) nut(m3_nut_diameter, 2.5, false);
+            translate([-10, -m3_nut_diameter / 2, 5]) cube([10, m3_nut_diameter, 2.5]);
+        }
+    }
+}
+
+hole_size=6.6;
+
+module big(){
+    difference() {
+        union(){
+            mirror([0, 0, 1]) gear (number_of_teeth=teeth_big,
+                    circular_pitch=circular_pitch,
+                    gear_thickness = gear_width/2,
+                    rim_thickness = gear_width/2,
+                    hub_thickness = 0,
+                    hub_diameter = 0,
+                    bore_diameter = 0,
+                    circles=0,
+                    twist = teeth_twist/teeth_big);
+            gear (number_of_teeth=teeth_big,
+                    circular_pitch=circular_pitch,
+                    gear_thickness = gear_width/2,
+                    rim_thickness = gear_width/2,
+                    hub_thickness = 0,
+                    hub_diameter = 18,
+                    bore_diameter = 18,
+                    circles=0,
+                    twist = teeth_twist/teeth_big); 
+        }
+        //reduce mass
+        translate([0, 0, 3 - gear_width / 2]) rotate([0, 0, 90]) 
+				cylinder(r1=24, r2=28, h=gear_width - layer_height * 9 + 1, $fn=36);
+        //bore
+        translate([0, 0, -gear_width / 2 - 0.1]) cylinder(r=m8_diameter / 2, h=gear_width + 9.2);
+        for (hole=[0:5]) {
+            rotate([0, 0, 360 / 6 * hole + 30]) translate([17,0,-10]) rotate(12) {
+                cylinder(r=hole_size, h=20);
+                cube([hole_size, hole_size, 20]);
+            }
+        }
+
+    }
+    //threaded bolt trap
+    difference(){
+        translate([0, 0, -gear_width / 2]) cylinder(r=10, h=7 + layer_height * 9);
+        translate([0, 0, -gear_width / 2 + layer_height * 6 + 2]) nut(13.1, h=10);
+        translate([0, 0, -gear_width / 2 - 0.1]) cylinder(r=m8_diameter / 2, h=gear_width + 9.2);
+    }
+
+}