Dynamixel XL330 cogs - Revision history

Studio Director at 12:26, 7 May 2026

2026-05-07T12:26:09Z

← Older revision		Revision as of 12:26, 7 May 2026
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	- How to install Libraries in OpenSCAD: https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Libraries		- How to install Libraries in OpenSCAD: https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Libraries

			XL 330 manual: https://emanual.robotis.com/docs/en/dxl/x/xl330-m288/

	Example cog for XL330:		Example cog for XL330:

Studio Director at 11:41, 7 May 2026

2026-05-07T11:41:04Z

← Older revision		Revision as of 11:41, 7 May 2026
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	$fn=32;		$fn=32;
	~~//spur_gear(modul=2, tooth_number=20, width=10, bore=10);~~
	w = 5.3; // cog thickness		w = 5.3; // cog thickness -- good size for the large screws included in the XL330
	teeth = 24; // adjust number of teeth based on design		teeth = 24; // adjust number of teeth based on design
	inner = 6; // fixed number		inner = 6; // fixed number

Studio Director at 11:40, 7 May 2026

2026-05-07T11:40:26Z

← Older revision		Revision as of 11:40, 7 May 2026
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	<pre>		<pre>
	use <gears/gears.scad>;		use <gears/gears.scad>;
	// or: include <gears/gears.scad>		// or include --> include <gears/gears.scad>;

	$fn=32;		$fn=32;
	//spur_gear(modul=2, tooth_number=20, width=10, bore=10);		//spur_gear(modul=2, tooth_number=20, width=10, bore=10);
	w = 5.3; // cog thickness		w = 5.3; // cog thickness
	teeth = 24;		teeth = 24; // adjust number of teeth based on design
	~~innner~~ = 6;		inner = 6; // fixed number
	outer = 10;		outer = 10; // adjust this number to the edge of the teeth so that it 'hides' the holes
	screw = 1;		screw = 1;

	~~difference~~(){		module mounts(screw, inner, outer){
	~~difference~~(){		// module for screw mounts
	~~difference~~(){		union(){
	~~difference(){~~		union(){
	union(){		union(){
	~~difference(){~~		translate([inner,0,-2]) cylinder(outer, screw, screw);
	~~cylinder(w, outer, outer);~~		translate([-inner,0,-2]) cylinder(outer, screw, screw);
	~~cylinder(w, 3, 3);~~
	}
	~~spur_gear(modul=1, tooth_number=teeth, width=w, bore=innner);~~
	}
	translate([~~innner~~,0,-2]) cylinder(outer, screw, screw);
	}
	translate([-~~innner~~,0,-2]) cylinder(outer, screw, screw);
	}		}
	translate([0,~~innner~~,-2]) cylinder(outer, screw, screw);		translate([0,inner,-2]) cylinder(outer, screw, screw);
	}		}
	translate([0,-~~innner~~,-2]) cylinder(outer, screw, screw);		translate([0,-inner,-2]) cylinder(outer, screw, screw);
			}
			}


			module disc(inner, outer){
			// disc to 'cover' the gear library holes in your design
			difference(){
			cylinder(w, outer, outer);
			cylinder(w, inner/2, inner/2);
			}
			}

			difference(){
			union(){
			spur_gear(modul=1, tooth_number=teeth, width=w, bore=inner);
			disc(inner, outer);
	}		}
			mounts(screw, inner, outer);
			}
	</pre>		</pre>

Studio Director at 10:38, 7 May 2026

2026-05-07T10:38:11Z

← Older revision		Revision as of 10:38, 7 May 2026
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	[[File:XL330-cog.png\|thumb]]		[[File:XL330-cog.png\|thumb]]


			== Other XL330 servo accessories ==

			https://studio.cse.chalmers.se/mediawiki/index.php?title=Servo_accessories

Studio Director at 09:34, 7 May 2026

2026-05-07T09:34:48Z

← Older revision		Revision as of 09:34, 7 May 2026
Line 1:		Line 1:
	Download this OpenSCAD Library: https://github.com/chrisspen/gears		Download this OpenSCAD Library: https://github.com/chrisspen/gears

	- How to install Libraries in OpenSCAD: https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Libraries		- How to install Libraries in OpenSCAD: https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Libraries

Studio Director at 09:34, 7 May 2026

2026-05-07T09:34:41Z

← Older revision		Revision as of 09:34, 7 May 2026
Line 1:		Line 1:
	Download this OpenSCAD Library: https://github.com/chrisspen/gears		Download this OpenSCAD Library: https://github.com/chrisspen/gears
			- How to install Libraries in OpenSCAD: https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Libraries

	Example cog for XL330:		Example cog for XL330:

Studio Director: Created page with "Download this OpenSCAD Library: https://github.com/chrisspen/gears Example cog for XL330:

 use ; // or: include   $fn=32; //spur_gear(modul=2, tooth_number=20, width=10, bore=10); w = 5.3; // cog thickness  teeth = 24; innner = 6; outer = 10; screw = 1;  difference(){     difference(){         difference(){             difference(){                 union(){                     difference(){                         cylinder(w, out..."

2026-05-07T09:22:57Z

Created page with "Download this OpenSCAD Library: https://github.com/chrisspen/gears Example cog for XL330: <pre> use <gears/gears.scad>; // or: include <gears/gears.scad> $fn=32; //spur_gear(modul=2, tooth_number=20, width=10, bore=10); w = 5.3; // cog thickness teeth = 24; innner = 6; outer = 10; screw = 1; difference(){ difference(){ difference(){ difference(){ union(){ difference(){ cylinder(w, out..."

New page

Download this OpenSCAD Library: https://github.com/chrisspen/gears

Example cog for XL330:
<pre>
use <gears/gears.scad>;
// or: include <gears/gears.scad>

$fn=32;
//spur_gear(modul=2, tooth_number=20, width=10, bore=10);
w = 5.3; // cog thickness
teeth = 24;
innner = 6;
outer = 10;
screw = 1;

difference(){
difference(){
difference(){
difference(){
union(){
difference(){
cylinder(w, outer, outer);
cylinder(w, 3, 3);
}
spur_gear(modul=1, tooth_number=teeth, width=w, bore=innner);
}
translate([innner,0,-2]) cylinder(outer, screw, screw);
}
translate([-innner,0,-2]) cylinder(outer, screw, screw);
}
translate([0,innner,-2]) cylinder(outer, screw, screw);
}
translate([0,-innner,-2]) cylinder(outer, screw, screw);
}
</pre>

[[File:XL330-cog.png|thumb]]