Under-the-floor lathe

Details Under-the-floor lathe Under-the-floor lathe

1991-02-27

1992-04-21

Schwartz, Larry I.

Turning

Lathe for wheel or axle

In situ lathe for railroad wheel

409165, 51104, 51106, B23B 532

Patent

active

051056917

ABSTRACT:
An under-the-floor lathe for re-machining the wheels in railroad-vehicle wheel sets. It has two assemblies for each wheel in the set. Each assembly comprises an upright, a swiveling head, an axle-bearing support, a hold-down, two friction rollers that can be positioned against one of the wheels, and a friction-roller holder. At least one of the friction rollers in each holder is powered. Each holder rotates around an axis that travels along the mid-plane of the lathe. The object is to accelerate the machining action without using brakes that engage the friction-roller holders. Two pressure-application devices that generate opposite torques in relation to their associated pivoting axis are attached to each friction-roller holder.

REFERENCES:
patent: 3203286 (1965-08-01), Dombrowski
patent: 3598017 (1971-08-01), Saari
patent: 4347769 (1982-09-01), Dombrowski
patent: 4674370 (1987-06-01), Gutohrlein et al.

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