sfsa_s.gif (4934 bytes)

amc.gif (6172 bytes) afs.gif (3195 bytes)

A Design Study in Steel Castings

Snubber Arm for the Dipper Door Control on Mining Shovels 

Design Study Outline
Design for Performance

     Steel Alloy Selection
Design for Production
     Molding Method
Near-Net Shape Features

     Orientation in the Mold  

     Riser Design

Casting Process 

Heat Treatment and Machining

Quality Assurance
Lessons Learned and Summary

Key Words = metal casting, steel, snubber arm,  Spokane Industires, 4320 alloy, SFSA,  

Start the Design Study !

Acknowledgment   --
The metalcasting design studies are a joint effort of the 
Steel Founders' Society of America and the American Foundry Society.

Project funding was provided by the American Metalcasting Consortium Project, which
is sponsored by the
Defense Logistics Agency, Attn: DLSC-T, Ft. Belvoir, VA, 22060-6221

sfsalogo.gif (1214 bytes) SFSA
Home Page
Copyright 2011 by the Steel Founders' Society of America   All rights reserved. 
Address comments to: blairr@sfsa.org
Last Modified:September, 2011 by STG

In cooperation with
Spokane Industries -  Steel Castings Division