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Need to do Deburring of Titanium



Current postings:

April 25, 2022

I'm looking to deburr the ID of 1/8" and 1/16" titanium tubes. They have an ID of 0.061" and 0.031", respectively. We have been using chamfer bits but using the chamfer bits too aggressively reduces the wall thickness of the tubes, which is a problem for the 1/16" tubes as they will be orbital welded to the rest of the plumbing.

The burrs are typically formed during a sanding operation for facing the tubes. Do you have any suggestions for improving either the deburring or the facing process?

J Lin
- San Luis Obispo, California
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Ed. note: As always, gentle readers, technical replies in public and commercial replies in private please ( huh? why?)


April 26, 2022

? Hi J Lin,

What is the Ti alloy type? What is the length of the tubes?

anna_berkovich
Anna Berkovich
Russamer Lab
supporting advertiser
Pittsburgh, Pennsylvania
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April 27, 2022

Q. G2 Titanium, tube lengths can vary, but the minimum would be around 20mm

J Lin [returning]
- San Luis Obispo, California
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April 28, 2022

A. If the Ti alloy is grade 5 ( 6Al- 4Va), then low voltage plasma electropolishing ( ultrapolishing) can penetrate inside the holes of 20 mm. Unfortunately this method does nor work for grade 2. However there is another method called high voltage plasma electropolishing. I think it will work for grades 1-4 ( pure titanium).

We call those "plasma" electropolishing, because in certain conditions plasma originates in between metal surface and electrolyte.

anna_berkovich
Anna Berkovich
Russamer Lab
supporting advertiser
Pittsburgh, Pennsylvania
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^




Closely related Q&A's, oldest first:

2004

Q. I have to deburr small titanium housings with a groove inside after machining. Housing dim's. .132 x .166 x .130 inches, groove ID is .099 and hole thru ø.0685. I would appreciate any deburring solutions/ideas for my parts.

Leonid Bublik
- Foothill Ranch, California, USA
^


2004

A. Solution depends on volume. Very small quantities may be worked with wheel systems. If you have a lot of parts, I suggest a mass finishing system. Processing time, equip. type and size again depends on volume. Media to use: ceramic.

tony kenton
AF Kenton
retired business owner - Hatboro, Pennsylvania
^

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