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Deburring of aluminum washer

We are manufacturing aluminum washers. the washer dim are OD 17 mm Id 6.5 mm with a array of 2 mm holes , the thickness is 1 mm. The problem is that we are pressing these components form a 1 mm th sheet of aluminum and we have the problem of burr formation . I want to know if there is some way we can deburr these in mass quantity without the burr folding inside. We have already tried tumbling with no results.

Visha Gupta
- Pune, India
2005

Have you tried tumbling with an abrasive and compound?

AF Kenton
retired business owner - Hatboro, Pennsylvania
2005

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