B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 19/02 (2006.01) B24B 5/36 (2006.01) B24B 9/00 (2006.01)
Patent
CA 2096959
A machine for grinding the metering edge contours on edges of ax- ially extending grooves (46) of a power steering valve input-shaft (7) by means of a cylindrical grinding wheel (1) the machine being constructed to hold and rotate the input-shaft (7) and to increase and decrease cyclically the distance between the axis of the input-shaft (7) and the grinding wheel (1) several times during the revolution of the input-shaft (7) to grind meter- ing edge contours to produce symmetrical sets of clockwise and anticlock- wise metering edge contours, the input-shaft being centrelessly supported by means of surfaces (8, 8a, 9, 9a) tangentially contacting the outside di- ameter of the input-shaft, two such surfaces (8, 8a) being axially displaced on either side of the ends of the grooves in the input-shaft and being ar- ranged one on each side of the grinding wheel on that side of the input- shaft (7) adjacent the grinding wheel (1) and other of the support surfaces (9, 9a) being arranged substantially at right angles to the first two support surfaces (8, 8a) to constrain the input-shaft against motion in a direction parallel to the first two support surfaces (8, 8a), a pair of pressing members (10, 11) contacting the outside diameter of the input-shaft (7) one each dis- played axially either side of the ends of the grooves (46) and loaded so as to press the input-shaft (7) in a direction generally towards the first two sup- port surfaces (8, 8a).
A. E. Bishop & Associates Pty Limited
Bereskin & Parr
LandOfFree
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