Slip Ring Material

agshooter · Oct 29, 2020

The slip ring on my lathe is worn out. This part is is used to push a rotating B112 steel cylinder in and engage the clutch. The sheet calls for grey iron as the material. I am wondering if making it out of bronze or HDPE may be a better option?

I only need 1"x1"x6" piece to make this part, so sourcing the material shouldn't be hard, but I am not sure.

TGTool · Oct 29, 2020

How long it lasted before needing attention would be one clue on whether gray iron was a good material choice.

3t3d · Oct 30, 2020

Subtract out your life expectancy, and see if an alternative is acceptable.
How much longer does it need to last?

rogertoolmaker · Oct 30, 2020

agshooter said:
The slip ring on my lathe is worn out. This part is is used to push a rotating B112 steel cylinder in and engage the clutch. The sheet calls for grey iron as the material. I am wondering if making it out of bronze or HDPE may be a better option?

I only need 1"x1"x6" piece to make this part, so sourcing the material shouldn't be hard, but I am not sure.

Grey Iron is my first choice for this application. Bronze, second choice. Stick with the grey iron for best end result.

Roger

agshooter · Oct 30, 2020

Thanks, I figured it was grey iron for a reason, but wasn't sure if 2020 materials available may be a better option. Will order some grey metal.

boslab · Nov 2, 2020

How about Tufnol or phenolic?
Mark

EPAIII · Nov 2, 2020

If this is a part that sees constant friction, then the lubricant may be more important than the material.

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Slip Ring Material

agshooter

Plastic

TGTool

Titanium

3t3d

Diamond

rogertoolmaker

Cast Iron

agshooter

Plastic

boslab

Titanium

EPAIII

Diamond

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