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Beveled Herringbone Extruder Drive Gear

by PSUReprap, published

Beveled Herringbone Extruder Drive Gear by PSUReprap Dec 13, 2012

Description

This is a herringbone drive gear that has been modified to have a beveled edge. This bevel allows for better prints of the drive gear because its first layer is circular creating an accurate print from the start. This circle rids the gear design of the original 'star' shape in the first layer, making the part more accurate and repeatable.

Recent Comments

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Can you please share the SolidWorks file. The STL has errors and I'm not able to get them fixed. Thanks

an intersection of the bevel gear with 
a cone is all you need to replicate in openscad. Add this to the bevel gear code as I'm too tired to be bothered making a module and there's probably one somewhere already.

(replace names of things with correct variable where needed)

x=radius of gear + Height of gear - depth of tooth

intersection(){
cylinder(r1=x, r2=0, h=x);

bevel gear code here
}

Is there an openscad souce or something that can be used to create larger gears? I have two on my extruder I would like to redo.

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Instructions

Print with full infill for best performance and the least chance of the part breaking during use.

Comments

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GeckospotNixie on Jan 24, 2014 said:

Can you please share the SolidWorks file. The STL has errors and I'm not able to get them fixed. Thanks

jamesarm97 on Dec 13, 2012 said:

Is there an openscad souce or something that can be used to create larger gears? I have two on my extruder I would like to redo.

SimCity on Dec 14, 2012 said:

an intersection of the bevel gear with 
a cone is all you need to replicate in openscad. Add this to the bevel gear code as I'm too tired to be bothered making a module and there's probably one somewhere already.

(replace names of things with correct variable where needed)

x=radius of gear + Height of gear - depth of tooth

intersection(){
cylinder(r1=x, r2=0, h=x);

bevel gear code here
}

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