Combined precision boring and burnishing tool

Details Combined precision boring and burnishing tool Combined precision boring and burnishing tool

1976-04-20

1977-10-25

Simpson, Othell M.

Metal working

Burnishing

Of water laid fibrous article

407 1, B24B 3900

Patent

active

040549763

ABSTRACT:
A combined tool for precision boring and burnishing a tubular workpiece includes a bore head and a burnishing head which are advanced by a feed tube into the interior of the tubular workpiece while the latter is rotated about its axis. In order to reduce the stresses on the three above-mentioned elements and to avoid markings on the finished surface, two of the three elements are connected by a coupling, which while transmitting torque between the two connected elements, permits limited deviations of the axes thereof.

REFERENCES:
patent: 3242567 (1966-03-01), Adam et al.
patent: 3980442 (1976-09-01), Riekeles

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