Metal working – Expanded metal making – By use of reciprocating perforator
Patent
1983-12-05
1985-05-21
Goldberg, Howard N.
Metal working
Expanded metal making
By use of reciprocating perforator
B21K 108
Patent
active
045177171
ABSTRACT:
Apparatus for inspecting a crankshaft including a pair of spaced journal portions for formation into journals and at least one throw for entering into a power transfer relationship with another mechanical component. The apparatus includes first holding means for releasably holding one of the journal portions with respect to a first predetermined position and second holding means for releasably holding the other of the journal portions with respect to a second predetermined position. The first and second predetermined positions define a line of references that will be the axis of revolution of the ultimate operating crankshaft. The apparatus further includes position detection means for providing indication of an out-of-tolerance deviation of the position of the throw from a third predetermined position. At least the first holding means includes means for moving the one journal portion relative to the first predetermined position. Finally, the apparatus includes marking means for indicating the distance the one journal portion was moved in correcting the out-of-tolerance deviation of the throw. In the preferred embodiment, the marking means includes drills for drilling holes in the end faces of the journal portions to mark the centers for turning and grinding the journals.
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Goldberg Howard N.
Nichols Steven
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