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Mr. Dubey • 52.77K Points
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Q. 3 WORKING PRINCIPLE AND APPLICATIONS - HYDRO FORMING - RUBBER PAD FORMING - METAL SPINNING

(A) forging
(B) rolling
(C) drawing
(D) stretch forming
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Explanation by: Mr. Dubey 
 stretch forming is a sheet metal forming process in which the sheet metal is clamped at the edges and stretched by using the dies or form blocks. and no any lubrication is required significantly during the process. this method is best suited for making the products like aircraft wings, window frames, automobile door panels etc.

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