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Product Title: Chapter 21- Ballizing (eChapter from Hand Deburring Increasing Shop Productivity)

Updated from Personify: 2014-11-06

Personify Product Code: BK02PUB16_E_CH-21

Personify Product ID:       115865

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Author: Dr LaRoux K Gillespie, FSME, CMFGE, PE



Published By: SME

Copyright Year:

Published Date: 2002-11-01

Page Count: 4

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Product Type:   EBOOKCHAPTER


ISBN: 978-1-62104-003-3   


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Ballizing, also known as ball broaching, is performed by forcing a ball through a hole to improve its surface finish or change the hole size. While ballizing is normally considered a surface-finishing improvement process, it has been employed for burr removal. It has been used to remove large, drilling rollover and intersecting-hole burrs. The ballizing process is simple. Place a loose ball on top of a hole, then push the ball through the hole with an arbor press or drill press. In a matter of seconds, the task is complete. In some instances it removes burrs, and in others it produces them. The key to success is to either use it on parts that have relatively brittle burrs or to apply it in applications that have liberal definitions of allowable material at edges (which means that loose burrs must be removed, but firmly adhered material is acceptable). The ballizing process increases the hardness of hole walls. Ballizing may not be the answer for some applications; however, it is fast, exceptionally low cost, leaves no contamination, and improves hole finish.


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