Dynamixel XL330 pulley - Revision history

Studio Director at 13:39, 21 May 2026

2026-05-21T13:39:49Z

← Older revision		Revision as of 13:39, 21 May 2026
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	r = 25; // disc radius - outer		r = 25; // disc radius - outer
	w = 8; // disc thickness		w = 5.3; // disc thickness for XL330 -- adjust for different servo types
	d = 3; // inner hole radius -- inner		d = 3; // inner hole radius -- inner
	t = 4;		t = 4;
	h = 2; // boundary thickness		h = 1.5; // boundary thickness

	rr = 0.8; // d=1.6mm pins on the XL330 servo hornet (inlet)		rr = 0.8; // d=1.6mm pins on the XL330 servo hornet (inlet)

2026-05-21T13:37:51Z

2026-05-21T13:36:16Z

@@ Line 60: / Line 60: @@
 </pre>
-== Other servo accessories ==
+== Pulley v2 ==
 https://studio.cse.chalmers.se/mediawiki/index.php?title=Servo_accessories

2026-05-14T09:04:30Z

← Older revision		Revision as of 09:04, 14 May 2026
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	[[File:Xl330-pulley-rev.png\|thumb]]		[[File:Xl330-pulley-rev.png\|thumb]]

			Code for OpenSCAD: https://openscad.org

	<pre>		<pre>

2026-05-14T09:02:51Z

← Older revision		Revision as of 09:02, 14 May 2026
Line 57:		Line 57:

	</pre>		</pre>

			== Other servo accessories ==

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

2026-05-13T11:31:30Z

2026-05-13T11:30:03Z

← Older revision		Revision as of 11:30, 13 May 2026
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	circle(r);		circle(r);
	}		}
			// string hanging point
	translate([outer+0.5, 0, 0]) cylinder(2*w, screw/2, screw/2);		translate([outer+0.5, 0, 0]) cylinder(2*w, screw/2, screw/2);
	}		}

2026-05-13T11:29:13Z

← Older revision		Revision as of 11:29, 13 May 2026
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	[[File:Xl330-pulley.png\|thumb]]		[[File:Xl330-pulley.png\|thumb]]
	<pre>		<pre>

	$fn=32;		$fn=32;

	w = 5.3; // ~~cog~~ thickness		w = 5.3; // pulley thickness
	inner = 6; // fixed number (inner radius non-overlapping with the servo's screw)		inner = 6; // fixed number (inner radius non-overlapping with the servo's screw)
	outer = 10; // adjust this number to increase the outer radius		outer = 10; // adjust this number to increase the outer radius
Line 24:		Line 25:

	module disc(inner, outer){		module disc(inner, outer){
	~~// disc to 'cover' the gear library holes in your design~~
	difference(){		difference(){
	cylinder(w, outer, outer);		cylinder(w, outer, outer);
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	circle(r);		circle(r);
	}		}
	translate([outer+0.5, 0, 2]) cylinder(10, ~~0.5~~, ~~0.5~~);		translate([outer+0.5, 0, 0]) cylinder(2*w, screw/2, screw/2);
	}		}
	}		}

2026-05-13T11:26:57Z

← Older revision		Revision as of 11:26, 13 May 2026
Line 4:		Line 4:

	w = 5.3; // cog thickness		w = 5.3; // cog thickness
	inner = 6; // fixed number		inner = 6; // fixed number (inner radius non-overlapping with the servo's screw)
	outer = 10; // adjust this number to the ~~edge of the teeth so that it 'hides' the holes~~		outer = 10; // adjust this number to increase the outer radius
	screw = 1;		screw = 1;

2026-05-13T08:46:07Z

← Older revision		Revision as of 08:46, 13 May 2026
Line 1:		Line 1:
	[[File:Xl330-pulley.png\|thumb]]		[[File:Xl330-pulley.png\|thumb]]
	<pre>		<pre>
	~~use <gears/gears.scad>;~~		$fn=32;
	~~// or include --> include <gears/gears.scad>~~;

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