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Apply numerical methods to sheet metal forming to calculate blank size, draw ratios and press tonnages

Question Preview:

You are a qualified fabricator and welder; you have been asked by your foreman to carry out some
consultation work for an external company wishing to investigate processes and methods a report
that can be used by possible apprentices as a ‘guide to’:

...

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Question Preview:

You are a qualified fabricator and welder; you have been asked by your foreman to carry out some
consultation work for an external company wishing to investigate processes and methods a report
that can be used by possible apprentices as a ‘guide to’:

View less »

Solution preview

Formability is an application of sheet metal to form into require pattern. Various operation of
sheet metal like deep drawing, bending, etc. are included in formation process. In general
during formation process of sheet metal problem is always are there which is necking. A term
necking is localize large amount of strain in relatively small amount of area. Another term
fracture induce in sheet metal during formation of sheet. Fracture is a localize stress induce in
large amount which cause crack propagation in area of maximum amount of stress develop.
Necking and fracture are the most common problem in sheet metal during formation process.

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