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A Design Study in Steel - Spokane Industries Steel Snubber Arm

Approach B -- Sand Cores for the Center Bores 

The near-net shape center bores in the hub and the forks of the snubber arm can be economically produced using sand cores to give subsize diameter  starting bores. Those bores are then quickly and easily finished machined to the final dimensions. 

This will save significant machining costs and time, compared to a two-step (rough and finish) machining. 

Using cores for the center bores is a cost-effective approach in this casting.
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Copyright 2011  by the Steel Founders' Society of America   All rights reserved. 
Address comments to: blairr@sfsa.org
Last Modified:August, 2011 by STG

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In cooperation with
Spokane Industries - Steel Castings Division