Metalcasters should work with pattern shops to choose the best material and process for the intended casting. Lamoncha, Humtown Products:
We’ve gotten away from simple mea- surements and verniers. We just do a scan of our pattern with a laser. We do a comparison and send that along with the pattern. Te proof’s in the pudding. Ev- erybody knows the pattern is not going to be absolutely perfect. But if you show you’re within the tolerances, they know if there’s any variation in a casting, it most likely is an in-house problem.
What missed opportunities/ misconceptions do you see from customers?
McIntyre, Anderson Global: Not asking to participate. Many times, metalcasters will want a tool—and they won’t explain whether the castings will be low volume or high volume or they won’t detail its key characteristics. If that information isn’t communicated, the customer will get a generic tool that wasn’t specifically made to help them reach the goals of the casting. Murray, Hoosier Pattern: Mix- ing and matching materials and manufacturing methods to get the best fit for the specific need is OK. Pattern shops are here to help with questions on new technologies,
28 | METAL CASTING DESIGN & PURCHASING | Jul/Aug 2015
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