manual spinning

manual spinning

[′man·yə·wəl ′spin·iŋ]
(metallurgy)
A sheet-metal forming process that forms the material over a rotating mandrel with little or no change in the thickness of the original blank. Also known as conventional spinning.
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References in periodicals archive ?
One of the first companies to invest in CNC technology for metal spin forming, Glenn Metalcraft (GMI) reshaped its production processes from manual spinning operations to a higher technology, automated environment specializing in heavy-gauge, oversize metal spinnings.