B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
B62D 1/04 (2006.01) B22D 15/00 (2006.01) C22C 21/02 (2006.01) C22C 21/04 (2006.01)
Patent
CA 2126475
ABSTRACT A steering wheel (32) is cast as a unitary casting from an alloy which includes 11,5 - 14% by weight of silicon and 350 - 450 parts per million of strontium. The invention extends to a method of forming such a wheel the method including the step of rotating the mould (10) in which the wheel is cast. The mould is rotated at relatively high rotational speeds so that the wheel experiences a pressure of 100g to 250g during casting. The optimum rotational speed is determined using a formula disclosed in the specification.
Asquith Anthony
M. J. Grootes Investments Cc
LandOfFree
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