Under-the-floor lathe for re-machining the wheels in...

Details Under-the-floor lathe for re-machining the wheels in... Under-the-floor lathe for re-machining the wheels in...

B - Operations, Transporting

23

B

82/11

B23B 5/32 (2006.01)

Patent

CA 2036142

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. -7-

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