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.