Added improvements by Harry Binnema: better gears and symmetric Z carriage

Hardware/Development/Gears/motor_gear.scad

@@ -1,119 +1,113 @@
-/* Derived by Carlosgs from:
+/* Derived by Carlosgs from:
- * http://www.thingiverse.com/thing:12789
+ * http://www.thingiverse.com/thing:12789
- * An extruder gear set for the TechZone Huxley,
+ * An extruder gear set for the TechZone Huxley,
- *  featuring Herringbone teeth.
+ *  featuring Herringbone teeth.
- * You will have to recalibrate your E_STEPS_PER_MM in
+ * You will have to recalibrate your E_STEPS_PER_MM in
- *  your firmware (ratio changing from original techzone
+ *  your firmware (ratio changing from original techzone
- *  lasercut gears).
+ *  lasercut gears).
- * This use 2 modules from the MCAD library that you can
+ * This use 2 modules from the MCAD library that you can
- *  get from https://github.com/elmom/MCAD.
+ *  get from https://github.com/elmom/MCAD.
- * 
+ * 
- * Part - the motor gear mount hub with set screw hole -
+ * Part - the motor gear mount hub with set screw hole -
- *  derived from http://www.thingiverse.com/thing:3104
+ *  derived from http://www.thingiverse.com/thing:3104
- *  (thanks GilesBathgate) which is under GPL CC license.
+ *  (thanks GilesBathgate) which is under GPL CC license.
- *
+ *
- * Copyright (C) 2011  Guy 'DeuxVis' P.
+ * Copyright (C) 2011  Guy 'DeuxVis' P.
- *
+ *
- * August 2013 added 2 extra setscrews to ensure centered usage.
+ * This program is free software; you can redistribute it and/or
- * by Harry Binnema. 
+ * modify it under the terms of the GNU General Public License
- *
+ * as published by the Free Software Foundation; either version 2
- * This program is free software; you can redistribute it and/or
+ * of the License, or (at your option) any later version.
- * modify it under the terms of the GNU General Public License
+ * 
- * as published by the Free Software Foundation; either version 2
+ * This program is distributed in the hope that it will be useful,
- * of the License, or (at your option) any later version.
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * This program is distributed in the hope that it will be useful,
+ * GNU General Public License for more details.
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * You should have received a copy of the GNU General Public License
- * GNU General Public License for more details.
+ * along with this program; if not, write to the Free Software
-
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- * You should have received a copy of the GNU General Public License
+ * -- 
- * along with this program; if not, write to the Free Software
+ *     DeuxVis - device@ymail.com */
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
- * -- 
+include <MCAD/teardrop.scad>
- *     DeuxVis - device@ymail.com */
+include <MCAD/involute_gears.scad>
-
+
-include <MCAD/teardrop.scad>
+motor_shaft_diameter=5.4;
-include <MCAD/involute_gears.scad>
+BigGear_N_Teeth = 21; // 24
-
+
-motor_shaft_diameter=5.4;
+nholes = 9; // 7
-BigGear_N_Teeth = 21; // 24
+holes_diam = 6;
-
+hole_distance_from_center = 13.5-4.5+holes_diam/2;
-nholes = 9; // 7
+
-holes_diam = 6;
+/* Herringbone gear module, adapted from MCAD/involute_gears */
-hole_distance_from_center = 13.5-4.5+holes_diam/2;
+module herringbone_gear( teeth=12, circles=0, shaft=5 ) {
-
+  twist=200;
-/* Herringbone gear module, adapted from MCAD/involute_gears */
+  height=10;
-module herringbone_gear( teeth=12, circles=0, shaft=5 ) {
+  pressure_angle=30;
-  twist=200;
+
-  height=10;
+  gear(
-  pressure_angle=30;
+    number_of_teeth=teeth,
-
+    circular_pitch=320,
-  gear(
+		pressure_angle=pressure_angle,
-    number_of_teeth=teeth,
+		clearance = 0.2,
-    circular_pitch=320,
+		gear_thickness = height/2,
-		pressure_angle=pressure_angle,
+		rim_thickness = height/2,
-		clearance = 0.2,
+		rim_width = 1,
-		gear_thickness = height/2,
+		hub_thickness = height/2,
-		rim_thickness = height/2,
+		hub_diameter=1,
-		rim_width = 1,
+		bore_diameter=shaft,
-		hub_thickness = height/2,
+		circles=circles,
-		hub_diameter=1,
+		twist=twist/teeth
-		bore_diameter=shaft,
+  );
-		circles=circles,
+
-		twist=twist/teeth
+	mirror( [0,0,1] )
-  );
+	  gear(
-
+      number_of_teeth=teeth,
-	mirror( [0,0,1] )
+		  circular_pitch=320,
-	  gear(
+		  pressure_angle=pressure_angle,
-      number_of_teeth=teeth,
+		  clearance = 0.2,
-		  circular_pitch=320,
+		  gear_thickness = height/2,
-		  pressure_angle=pressure_angle,
+		  rim_thickness = height/2,
-		  clearance = 0.2,
+		  rim_width = 1,
-		  gear_thickness = height/2,
+		  hub_thickness = height/2,
-		  rim_thickness = height/2,
+		  hub_diameter=1,
-		  rim_width = 1,
+		  bore_diameter=shaft,
-		  hub_thickness = height/2,
+		  circles=circles,
-		  hub_diameter=1,
+		  twist=twist/teeth
-		  bore_diameter=shaft,
+    );
-		  circles=circles,
+}
-		  twist=twist/teeth
+
-    );
+// Motor gear
-}
+union() difference() {	 
-
+  union() {
-// Motor gear
+
-union() difference() {	 
+    //gear
-  union() {
+    herringbone_gear( teeth=BigGear_N_Teeth );
-
+
-    //gear
+    translate( [0, 0, 12] ) mirror( [0, 0, 1] ) difference() {
-    herringbone_gear( teeth=BigGear_N_Teeth );
+      //shaft
-
+      cylinder( r=9, h=15, $fn=40 );
-    translate( [0, 0, 12] ) mirror( [0, 0, 1] ) difference() {
+
-      //shaft
+      //captive nut and grub holes
-      cylinder( r=9, h=15, $fn=40 );
+      translate( [0, 20, 3.5] ) rotate( [90, 0, 0] ) union() {
-	//adapted to include 3 captive nuts for symmetrical positioning
+        //enterance
-	//adpted bij HJ Binnema on August 26 2013.
+        translate( [0, -3, 14.5] ) cube( [6, 6, 2.6], center=true );
-	for (i= [0:2]){
+        //nut
-		rotate([0,0,i*120]){
+        translate( [0, 0, 13.3] ) rotate( [0, 0, 30] )
-      //captive nut and grub holes
+          cylinder( r=6/2+0.5, h=2.6, $fn=6 );
-      translate( [0, 20, 3.5] ) rotate( [90, 0, 0] ) union() {
+        //grub hole
-        //enterance
+        translate( [0, 0, 9] ) cylinder( r=3.2/2, h=10, $fn=6 );
-        translate( [0, -3, 14.5] ) cube( [6, 6, 2.6], center=true );
+      }
-        //nut
+    }
-        translate( [0, 0, 13.3] ) rotate( [0, 0, 30] )
+  }
-          cylinder( r=6/2+0.5, h=2.6, $fn=6 );
+
-        //grub hole
+  //holes to save plastic
-        translate( [0, 0, 9] ) cylinder( r=3.2/2, h=10, $fn=6 );
+  for(i=[0:nholes-1])
-      }}}
+    rotate( [0, 0, i*360/(nholes)+45], $fn=20 )
-    }
+      translate( [hole_distance_from_center, 0] )
-  }
+        cylinder( r=holes_diam/2, h=11, center=true, $fn=30 );
-
+
-  //holes to save plastic
+  //shaft hole
-  for(i=[0:nholes-1])
+  translate( [0, 0, -6] ) cylinder( r=motor_shaft_diameter/2, h=20, $fn=30 );
-    rotate( [0, 0, i*360/(nholes)+45], $fn=20 )
+}
-      translate( [hole_distance_from_center, 0] )
-        cylinder( r=holes_diam/2, h=11, center=true, $fn=30 );
-
-  //shaft hole
-  translate( [0, 0, -6] ) cylinder( r=motor_shaft_diameter/2, h=20, $fn=30 );
-}

Hardware/Development/XZ_axis/Z_carriage.scad

@@ -1,20 +1,13 @@
 // Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
 // Created by Carlosgs (http://carlosgs.es)
 // License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
- /*
- * August 2013 changes to design top-part mounting screw at same side as bottom-part.
- * also started introduced 2nd spindle diameter for a-symmetrical spindles. this is not working yet.
- * by Harry Binnema. 
- */
 
 use <../libs/obiscad/bcube.scad>
 use <../libs/build_plate.scad>
 use <../libs/Write/Write.scad>
 
-spindle_motor_diam_top = 26*2;
 spindle_motor_diam = 26*2;
-spindle_holder_thickness = 8;
+spindle_holder_thickness = 7;
-spindle_holder_distance = 46;
 
 bottom_thickness = 4;
 base_width = 20;
@@ -36,7 +29,7 @@ M8_rod_diameter = 8.2;
 
 axis_distance = 21;
 
-wall_thickness = 9;
+wall_thickness = 8;
 wall_height = motor_width;
 wall_width = 54;
 
@@ -65,28 +58,22 @@ module dummySpindle() {
 }
 
 // Derived from Spindle mount for ShapeOko by Misan (http://www.thingiverse.com/thing:26740)
-module spindle_holder_holes(length,spindiam, basediam,top_part) {
+module spindle_holder_holes(length=50,showSpindle=true) {
 	$fn=6;
 
-	translate([20,8,-0.05]) cylinder(r=basediam/2,h=length+2,$fn=60);
+	translate([20,8,-0.05]) cylinder(r=base_screw_diameter/2,h=length+2,$fn=60);
-	translate([-20,8,-0.05]) cylinder(r=basediam/2,h=length+2,$fn=60);
+	translate([-20,8,-0.05]) cylinder(r=base_screw_diameter/2,h=length+2,$fn=60);
-	if (top_part){
+
-		translate([0,38,0]) rotate([0,0,0]) {
+	translate([0,38,0]) rotate([0,0,180]) {
-		translate([0,0,-0.05]) cylinder(r=spindiam/2,h=length+2,$fn=60);
+	
-		translate([0,-3,-0.01]) cube([90,3,length+2]);
+	translate([0,0,-0.05]) cylinder(r=spindle_motor_diam/2,h=length+2,$fn=60);
-		translate ([spindiam/2+15,15,length/2]) rotate([90,0,0]) cylinder(r=2,h=30);
+
-		translate ([spindiam/2+15,-10.5,length/2]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
+	translate([0,0,-0.01]) cube([90,3,length+2]);
-		}		
+	
-		}
+	translate ([36,20,length/2]) rotate([90,0,0]) cylinder(r=2,h=30);
-	else
+	translate ([36,14,length/2]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
-		{
+	
-		translate([0,38,0]) rotate([0,0,180]) {
+	}
-		translate([0,0,-0.05]) cylinder(r=spindiam/2,h=length+2,$fn=60);
-		translate([0,0,-0.01]) cube([90,3,length+2]);
-		translate ([spindiam/2+15,20,length/2]) rotate([90,0,0]) cylinder(r=2,h=30);
-		translate ([spindiam/2+15,15,length/2]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
-		}
-		}
 }
 
 
@@ -174,35 +161,28 @@ module Z_solid_body(top_part=true) {
 			cylinder(r=3+LM8UU_dia/2,h=wall_thickness,$fn=50);
 	}
 
-	// For the claw of the spindle holder
+	// For the screw of the spindle holder
-if(top_part){
 	translate([wall_height/2,wall_width-4,0])
 		translate([0,38,0]) {
-			rotate([0,0,0]) {
+			rotate([0,0,180]) {
-				translate([spindle_motor_diam/2,-12.5,0]) cube([25,20,wall_thickness]);
+				translate([28,-7,0]) cube([15,20,wall_thickness]);
-				
+
 	// Write text in the front
 	color([0.5,0.5,0.5])
-			rotate([0,0,180]) scale([-1,1,-textHscale])
+		if(top_part)
+			scale([-1,1,-textHscale])
 				writecylinder("CYCLONE",[0,0,-wall_thickness/(2*textHscale)],spindle_motor_diam/2+spindle_holder_thickness,0,font="orbitron.dxf",space=1.1,h=wall_thickness,t=textThickness,center=true,ccw=true);
-			}
+		else
-		}
-}
-else
-translate([wall_height/2,wall_width-4,0])
-		translate([0,38,0]) {
-			
-			rotate([0,0,180]) {
-			translate([spindle_motor_diam/2,-7,0]) cube([25,20,wall_thickness]);
-			color([0.2,0.2,0.5])
 			scale([1,1,textHscale])
 				writecylinder("PCB Factory",[0,0,wall_thickness/(2*textHscale)+1],spindle_motor_diam/2+spindle_holder_thickness,0,font="orbitron.dxf",space=1.1,h=wall_thickness-2,t=textThickness,center=true,ccw=true);
+
 			}
 		}
 }
 
+
 //for display only, doesn't contribute to final object
-//build_plate(3,200,200);
+build_plate(3,200,200);
 
 module Z_carriage(showSpindle=false,top_part=true) {
 
@@ -212,7 +192,7 @@ module Z_carriage(showSpindle=false,top_part=true) {
 				Z_solid_body(top_part);
 				if(top_part) motor_stand_holes_Z();
 				translate([wall_height/2,wall_width-4,0])
-					spindle_holder_holes(wall_thickness,spindle_motor_diam,base_screw_diameter,top_part);
+					spindle_holder_holes(wall_thickness,showSpindle);
 				translate([wall_height/2-Z_smooth_rods_sep/2,Z_threaded_pos,0])
 					linearBearingHolderZ(wall_thickness);
 				translate([wall_height/2+Z_smooth_rods_sep/2,Z_threaded_pos,0])
@@ -238,14 +218,14 @@ module Z_carriage(showSpindle=false,top_part=true) {
 
 module Z_carriage_assembled() {
 	Z_carriage(showSpindle=true,top_part=false);
-	translate([0,0,3+spindle_holder_distance]) rotate([180,0,0]) Z_carriage(showSpindle=false,top_part=true);
+	translate([0,0,3+23*2]) rotate([180,0,0]) Z_carriage(showSpindle=false,top_part=true);
 }
 
 //Z_carriage(top_part=true);
-//Z_carriage(top_part=false);
+Z_carriage(top_part=false);
 
 
-Z_carriage_assembled();
+//Z_carriage_assembled();
 
 
 

Hardware/Development/XZ_axis/Z_carriage_old.scad

@@ -0,0 +1,143 @@
+// Cyclone PCB Factory: a 3D printable CNC machine for PCB manufacture
+// Created by Carlosgs (http://carlosgs.es)
+// License: Attribution - Share Alike - Creative Commons (http://creativecommons.org/licenses/by-sa/3.0/)
+
+use <../libs/obiscad/bcube.scad>
+use <../libs/build_plate.scad>
+use <../libs/Write/Write.scad>
+
+include <./lm8uu_holder.scad>
+
+bottom_thickness = 4;
+base_width = 20;
+base_length = 25;
+base_screw_diameter = 5;
+
+motor_width = 43;
+motor_length = 49; // not used
+motor_screw_distance = 31.3;
+motor_center_diameter = 23;
+
+motor_screw_diameter = 3.7;
+motor_screw_head_diameter = 8;
+
+bearing_diameter = 22.4;
+M8_rod_diameter = 8.2;
+
+axis_distance = 21;
+
+wall_thickness = 5;
+wall_height = motor_width;
+wall_width = 54;
+
+idler_width = 25;
+
+lbearing_holder_length = 23*2;
+
+Z_threaded_pos = motor_width/2+axis_distance;
+
+Z_smooth_rods_sep = 55;
+
+textHscale = 0.8;
+textThickness = 1.5;
+
+// Derived from Spindle mount for ShapeOko by Misan (http://www.thingiverse.com/thing:26740)
+module spindle_holder(length=50,showSpindle=true) {
+	$fn=6;
+	translate([0,38,0]) rotate([0,0,180]) {
+
+	if(showSpindle) scale([1,1,-1]) translate([0,0,-length]) {
+		translate([0,0,85]) color([0.95,0.95,0.95]) cylinder(r=26,h=30,$fn=60);
+		translate([0,0,80]) color([0.95,0.95,0.95]) cylinder(r=10/2,h=5,$fn=60);
+		translate([0,0,-10]) color([0.6,0.6,0.6]) cylinder(r=26,h=90,$fn=60);
+		translate([0,0,-40]) color([0.9,0.9,0.9]) cylinder(r=15/2,h=40,$fn=60);
+		translate([0,0,-50]) color([0.4,0.4,0.4]) cylinder(r=20/2,h=10,$fn=60);
+		translate([0,0,-50-20]) color([0.9,0.9,0.9]) cylinder(r1=1/2,r2=3/2,h=20,$fn=60);
+	}
+
+	difference() {
+	union() {
+	cylinder(r=30,h=length,$fn=60);
+
+	// Write text in the front
+	color([0.5,0.5,0.5]) scale([-1,1,-textHscale]) writecylinder("CYCLONE",[0,0,-length/(3*textHscale)],30,0,font="orbitron.dxf",space=1.1,h=12,t=textThickness,center=true,ccw=true);
+	translate ([-30,0,0]) cube([60,38,length]);
+	translate([28,-7,0]) cube([20,20,length]);
+
+	color([0.5,0.5,0.5]) scale([-1,1,-textHscale]) writecylinder("PCB Factory",[0,0,-length/(1.5*textHscale)],30,0,font="orbitron.dxf",space=1.1,h=14/2,t=textThickness,center=true,ccw=true);
+	translate ([-30,0,0]) cube([60,38,length]);
+	translate([28,-7,0]) cube([20,20,length]);
+
+	}
+	
+	translate([0,0,-0.05]) cylinder(r=26,h=length+2,$fn=60);
+	
+	translate([0,0,-0.01]) cube([90,3,length+2]);
+	
+	
+	translate ([40,20,3*length/4]) rotate([90,0,0]) cylinder(r=2,h=30);
+	translate ([40,20,length/4]) rotate([90,0,0]) cylinder(r=2,h=30);
+	
+	translate ([40,14,3*length/4]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
+	translate ([40,14,length/4]) rotate([90,0,0]) cylinder(r=3.5,h=4,$fn=6);
+
+	difference() {
+		translate ([-30+15,0,-0.1]) cube([30,38.1,30]);
+		cylinder(r=26+1,h=length,$fn=60);
+	}
+	
+	}
+	}
+}
+
+module motor_stand_no_base_Z(with_motor=true) {
+difference() {
+  translate([wall_height/2,wall_width/2,wall_thickness/2])
+    bcube([wall_height,wall_width,wall_thickness],cr=4,cres=10);
+
+  // Position relative to motor shaft
+  translate([motor_width/2,motor_width/2,wall_thickness/2]) {
+    if(with_motor) {
+    // Hole for the motor shaft
+    translate([0,-wall_width/2,0])
+      cube([20,wall_width,10*wall_thickness],cr=4,cres=10,center=true);
+    cylinder(r=motor_center_diameter/2,h=10*wall_thickness,center=true,$fn=40);
+
+    // Screws for holding the motor
+    for(i=[-1,1]) for(j=[-1,1])
+    translate([i*motor_screw_distance/2,j*motor_screw_distance/2,0]) {
+      cylinder(r=motor_screw_diameter/2,h=10*wall_thickness,center=true,$fn=40);
+      cylinder(r=motor_screw_head_diameter/2,h=10*wall_thickness,center=false,$fn=40);
+    }
+    } // End if with motor
+
+    // Bearing holes
+    rotate([0,0,0]) translate([0,axis_distance,0]) {
+      cylinder(r=(M8_rod_diameter*2)/2,h=10*wall_thickness,center=true,$fn=40);
+      cylinder(r=bearing_diameter/2,h=10*wall_thickness,center=false,$fn=60);
+
+    }
+
+  } // End of translate relative to motor shaft
+} // End of difference
+}
+
+module motor_stand_Z(with_motor=true) {
+  union() {
+    motor_stand_no_base_Z(with_motor);
+  }
+}
+
+//for display only, doesn't contribute to final object
+build_plate(3,200,200);
+
+module Z_carriage(showSpindle=false) {
+	rotate([0,0,-90]) translate([-wall_height/2,-Z_threaded_pos,0]) {
+		motor_stand_Z();
+		translate([wall_height/2,wall_width-4,0]) spindle_holder(lbearing_holder_length,showSpindle);
+		translate([wall_height/2-Z_smooth_rods_sep/2,Z_threaded_pos,lbearing_holder_length/2]) rotate([-90,0,0]) lm8uu_bearing_holder_XZ(lbearing_holder_length);
+		translate([wall_height/2+Z_smooth_rods_sep/2,Z_threaded_pos,lbearing_holder_length/2]) rotate([-90,0,0]) lm8uu_bearing_holder_XZ(lbearing_holder_length);
+	}
+}
+
+Z_carriage(showSpindle=false);

Hardware/Development/XZ_axis/motor_gear.scad

@@ -1,114 +1,104 @@
-/* Derived by Carlosgs from:
+/* Derived by Carlosgs from:
- * http://www.thingiverse.com/thing:12789
+ * http://www.thingiverse.com/thing:12789
- * An extruder gear set for the TechZone Huxley,
+ * An extruder gear set for the TechZone Huxley,
- *  featuring Herringbone teeth.
+ *  featuring Herringbone teeth.
- * You will have to recalibrate your E_STEPS_PER_MM in
+ * You will have to recalibrate your E_STEPS_PER_MM in
- *  your firmware (ratio changing from original techzone
+ *  your firmware (ratio changing from original techzone
- *  lasercut gears).
+ *  lasercut gears).
- * This use 2 modules from the MCAD library that you can
+ * This use 2 modules from the MCAD library that you can
- *  get from https://github.com/elmom/MCAD.
+ *  get from https://github.com/elmom/MCAD.
- * 
+ * 
- * Part - the motor gear mount hub with set screw hole -
+ * Part - the motor gear mount hub with set screw hole -
- *  derived from http://www.thingiverse.com/thing:3104
+ *  derived from http://www.thingiverse.com/thing:3104
- *  (thanks GilesBathgate) which is under GPL CC license.
+ *  (thanks GilesBathgate) which is under GPL CC license.
- *
+ *
- * August 2013 added 2 extra setscrews to ensure centered usage.
+ * Copyright (C) 2011  Guy 'DeuxVis' P.
- * by Harry Binnema. 
+ *
- *
+ * This program is free software; you can redistribute it and/or
-* Copyright (C) 2011  Guy 'DeuxVis' P.
+ * modify it under the terms of the GNU General Public License
- *
+ * as published by the Free Software Foundation; either version 2
- * This program is free software; you can redistribute it and/or
+ * of the License, or (at your option) any later version.
- * modify it under the terms of the GNU General Public License
+ * 
- * as published by the Free Software Foundation; either version 2
+ * This program is distributed in the hope that it will be useful,
- * of the License, or (at your option) any later version.
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * This program is distributed in the hope that it will be useful,
+ * GNU General Public License for more details.
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * You should have received a copy of the GNU General Public License
- * GNU General Public License for more details.
+ * along with this program; if not, write to the Free Software
-
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- * You should have received a copy of the GNU General Public License
+ * -- 
- * along with this program; if not, write to the Free Software
+ *     DeuxVis - device@ymail.com */
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
- * -- 
+include <MCAD/teardrop.scad>
- *     DeuxVis - device@ymail.com */
+include <MCAD/involute_gears.scad>
-
+
-include <MCAD/teardrop.scad>
+motor_shaft_diameter=5.4;
-include <MCAD/involute_gears.scad>
+
-
+nholes = 7;
-motor_shaft_diameter=5.4;
+
-pos=15.4; //position hole for grubnut
+/* Herringbone gear module, adapted from MCAD/involute_gears */
-nholes = 7;
+module herringbone_gear( teeth=12, circles=0, shaft=5 ) {
-shaft_diam=10;
+  twist=200;
-shaft_height=7;
+  height=10;
-
+  pressure_angle=30;
-/* Herringbone gear module, adapted from MCAD/involute_gears */
+
-module herringbone_gear( teeth=12, circles=0, shaft=5 ) {
+  gear(
-  twist=200;
+    number_of_teeth=teeth,
-  height=10;
+    circular_pitch=320,
-  pressure_angle=30;
+		pressure_angle=pressure_angle,
-
+		clearance = 0.2,
-  gear(
+		gear_thickness = height/2,
-    number_of_teeth=teeth,
+		rim_thickness = height/2,
-    circular_pitch=320,
+		rim_width = 1,
-		pressure_angle=pressure_angle,
+		hub_thickness = height/2,
-		clearance = 0.2,
+		hub_diameter=1,
-		gear_thickness = height/2,
+		bore_diameter=shaft,
-		rim_thickness = height/2,
+		circles=circles,
-		rim_width = 1,
+		twist=twist/teeth
-		hub_thickness = height/2,
+  );
-		hub_diameter=1,
+
-		bore_diameter=shaft,
+	mirror( [0,0,1] )
-		circles=circles,
+	  gear(
-		twist=twist/teeth
+      number_of_teeth=teeth,
-  );
+		  circular_pitch=320,
-
+		  pressure_angle=pressure_angle,
-	mirror( [0,0,1] )
+		  clearance = 0.2,
-	  gear(
+		  gear_thickness = height/2,
-      number_of_teeth=teeth,
+		  rim_thickness = height/2,
-		  circular_pitch=320,
+		  rim_width = 1,
-		  pressure_angle=pressure_angle,
+		  hub_thickness = height/2,
-		  clearance = 0.2,
+		  hub_diameter=1,
-		  gear_thickness = height/2,
+		  bore_diameter=shaft,
-		  rim_thickness = height/2,
+		  circles=circles,
-		  rim_width = 1,
+		  twist=twist/teeth
-		  hub_thickness = height/2,
+    );
-		  hub_diameter=1,
+}
-		  bore_diameter=shaft,
+
-		  circles=circles,
+// Motor gear
-		  twist=twist/teeth
+rotate([180,0,0]) union() difference() {	 
-    );
+  union() {
-}
+
-
+    //gear
-// Motor gear
+    herringbone_gear( teeth=8 );
-rotate([180,0,0]) union() difference() {	 
+
-  union() {
+    translate( [0, 0, 12] ) mirror( [0, 0, 1] ) difference() {
-
+      //shaft
-    //gear
+      cylinder( r=9, h=7, $fn=40 );
-    herringbone_gear( teeth=8 );
+
-
+      //captive nut and grub holes
-    translate( [0, 0, 12] ) mirror( [0, 0, 1] ) difference() {
+      translate( [0, 20, 3.5] ) rotate( [90, 0, 0] ) union() {
-      //shaft
+        //enterance
-      cylinder( r=shaft_diam, h=shaft_height, $fn=40 );
+        translate( [0, -3, 14.5] ) cube( [6, 6, 2.6], center=true );
-
+        //nut
-      //captive nut and grub holes
+        translate( [0, 0, 13.3] ) rotate( [0, 0, 30] )
-	for (i=[0:2]){ //3 symmetric grubscrews
+          cylinder( r=6/2+0.5, h=2.6, $fn=6 );
-
+        //grub hole
- 	rotate([0,0,i*120]){     
+        translate( [0, 0, 9] ) cylinder( r=1.5, h=10, $fn=20 );
- 		translate( [0, 20, 3.5] ) rotate( [90, 0, 0] ) union() {
+      }
-        //entrance for nut
+    }
-          translate( [0, -4.4, pos] ) cube( [5.9, 5.8, 2.45], center=true );
+  }
-        //nut hole
+
-        translate( [0, 0, pos-1.2] ) rotate( [0, 0, 30] )
+  //shaft hole
-          cylinder( r=6/2+0.2, h=2.6, $fn=6 );
+  translate( [0, 0, -6] ) cylinder( r=motor_shaft_diameter/2, h=20, $fn=30 );
-        //grub screw hole
+}
-        translate( [0, 0, 9] ) cylinder( r=1.5, h=10, $fn=20 );
-      				}
-				}
-			}
-   		}
-  }
-
-  //shaft hole
-  translate( [0, 0, -6] ) cylinder( r=motor_shaft_diameter/2, h=20, $fn=30 );
-}

README.md

@@ -52,14 +52,6 @@ License
 Authors  
 --
 _Check Hardware, Software and Firmware sections for details regarding authorship_  
-**_Hardware_**  
-- **Carlos García Saura (Carlosgs <http://carlosgs.es>)** (original design)  
-- **Daniel Garrido (yOPERO <http://yopero-tech.blogspot.com.es/>)** (hardware improvements)  
-**_Software_**  
-- **Carlos García Saura (Carlosgs <http://carlosgs.es>)** (original python scripts)  
-- _GUI work in progress by various members of the mail-list_
-**_Electronics, firmware_**  
-- _Work in progress by various members of the mail-list_
 
 Render (v0.9.7)  
 --