Gearbox for cold metal cutting machine

Details Gearbox for cold metal cutting machine Gearbox for cold metal cutting machine

2008-01-01

2008-01-01

Shoap, Allan N. (Department: 3724)

Bearings

Rotary bearing

Plain bearing

C384S429000, C384S433000, C384S437000, C384S438000

Reexamination Certificate

active

07314315

ABSTRACT:
Improved serviceability of cold metal cutting machines is accomplished in a modified gearbox structure enabling several annular components that are conventionally attached by press-fit to be attached instead by slide-fit for easy removal and replacement, eliminating hammering and/or heating required conventionally to release press-fit components. Press-fitting of a motor shaft coupling is eliminated by introduction of clamping slide-fit structure. Press-fits of two thrust bearings to the housing are eliminated by introduction of slide-fit adaptors. Instead of the conventional practice of making the saw rotor integral with the low speed shaft, a separate saw rotor bolted to the shaft enables easy replacement of the oil seal.

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