Metal working – Expanded metal making – By use of reciprocating perforator
Patent
1982-07-20
1985-01-22
Briggs, William R.
Metal working
Expanded metal making
By use of reciprocating perforator
51 90, 51105SP, 409199, 409200, B23C 306
Patent
active
044942800
ABSTRACT:
When it is desired to machine crankpins of crankshafts to a circular cross section with a surrounding cutting tool, which is rotated or oscillated, the tool is longitudinally positioned relative to the crankpin and machines the same while engaging the crankpin and a circular feed movement of the tool relative to the crankpin is effected. To permit a fast and efficient circular machining, the crankpin is held in position and the driven tool is moved during the machining along a circular path surrounding the crankpin. When the tool has been longitudinally positioned, the crankpin and the tool are transversely displaced relative to each other until the center of the circular cross section coincides with the center of the circular path of the tool.
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Briggs William R.
GFM Gesellschaft fur Fertigungstechnik und Maschinenbau Gesellsc
Kelman Kurt
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