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Chapter 27: Finishing (eChapter) from Fundamentals of Manufacturing, 2nd Edition Image

Chapter 27: Finishing (eChapter) from Fundamentals of Manufacturing, 2nd Edition



Published By:
SME

Published: 04/01/2005
Product ID:
BK01PUB13_E_CH-27
ISBN:
978-1-62104-002-6

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Description

In conventional air spraying, the material is usually supplied from a container in one of two ways. The container may be under pressure of up to 100 psi (690 kPa) or the spraying device can pull material from the container to the atomizing area (suction feed). In the electrostatic spraying finishing process, the application of electrostatic charges to the material particles causes them to act like small magnets when placed in the vicinity of a grounded object. In electroplating, the work piece is made cathodic in a solution containing the ions of the metal being deposited. Many different metals can be successfully electroplated, such as nickel, copper, chromium, zinc, tin, cadmium, and lead. Alloys and precious metals also can be deposited.


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