By Hassan Abdel-Gawad El-Hofy

ISBN-10: 0071453342

ISBN-13: 9780071453349

ISBN-10: 0071466940

ISBN-13: 9780071466943

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Solution available for a variety of industrial needs. In general the cut surface has a sandblast appearance. Moreover, harder materials exhibit a better edge finish. 6 µm root mean square (RMS) to very coarse depending on the application. Tolerances are in the range of ±25 µm on thin material. Both the produced surface roughness and tolerance depend on the machining speed. 1 Cutting. WJM is limited to fiberglass and corrugated wood. 22 shows a typical example of water jet cutting of marble, while Fig.

As shown in Fig. 1, the most recent developments in conventional machining include precision jig borers, jig grinding, and superfinishing machines. These made the accuracy level of ±1 µm possible. Such a high level of accuracy can be measured using pneumatic or electronic instruments as well as optical comparators. Future trends may also include precision grinding and lapping machines as well as precision diamond lathes. 1 1940 1960 1980 Machining accuracies (Tanigushi, 1983). 2000 4 Chapter One In modern machining practice, harder, stronger, and tougher materials that are more difficult to cut are frequently used.

The magnetostrictor is energized at the ultrasonic frequency and produces small-amplitude vibrations. Such a small vibration is amplified using the constrictor (mechanical amplifier) that holds the tool. The abrasive slurry is pumped between the oscillating tool and the brittle workpiece. A static pressure is applied in the tool-workpiece interface that maintains the abrasive slurry. 15 Copyright © 2005 by The McGraw-Hill Companies, Inc. Click here for terms of use. 1 USM components. 1 The magnetostrictor.

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Advanced Machining Processes by Hassan Abdel-Gawad El-Hofy


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