Patent ID: 6095909
Filing Date: 2000-08-01
Classification: B24B

Abstract:
An abrasive belt machine tool for machining cylindrical bearing surfaces on shafts, in particular journals on camshafts or journals and/or crank pins on crankshafts, comprising the following elements for machining each bearing surface while the shaft is rotated about an axis:two arms mounted to pivot in a plane on a common support,two opposed jaws mounted on said arms,each of said opposed jaws having at least first and second concave application surfaces of first and second diameters which are different, said first and second concave application surfaces on one jaw being mounted in opposition to said first and second concave application surfaces on the jaw which is opposed thereto,said abrasive belt passing in front of the concave surfaces of the two jaws,said arms being supported for movement between at least two positions such that in one of said positions the opposed first concave application surfaces apply the abrasive belt to a bearing surface having one diameter on a first shaft, and in the other of said positions the concave surfaces apply the abrasive belt to a bearing surface having another diameter on a second shaft.