Crankshaft and a process for balancing the same

Details Crankshaft and a process for balancing the same Crankshaft and a process for balancing the same

1987-05-06

1988-10-25

Eley, Timothy V.

Metal working

Expanded metal making

By use of reciprocating perforator

2940209, 2940217, 74603, B21K 108

Patent

active

047793163

ABSTRACT:
A crankshaft and counterweights are balanced by adding additional weight without modifying their outer dimensions. Bores are drilled into the counterweights and then a slug of material which is of a different density than the original counterweight material is inserted into the drilled bore. The slug may be held in place by any suitable mechanism, e.g., press-fitting, upset fitting, welding or threading. Particularly with threading, a slug shorter than the bore may be positioned anywhere within the bore.

REFERENCES:
patent: 2494569 (1950-01-01), McMaster
patent: 3537333 (1970-11-01), Seifert et al.
patent: 3704636 (1972-12-01), Piech
patent: 3772763 (1973-11-01), Henson et al.

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