"No-Weld" Requirements |
In-process welding, properly done, is
a foundry tool that yields a quality casting and saves cost and time.
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It is important that the
designation of “no-weld” sections on castings be very
carefully considered. The casting engineer and design engineer should review the component
design to insure that “no-weld” regions are specified only when critically
necessary for structural performance. |
Historical
Note --
The original casting design of the uplock
support called for “no-weld” regions in critical sections. After 2+ years in
production, a subsequent requirements review removed all the “no-weld” sections
in the casting design.
The result was a casting that continued to
meet performance requirements, but was produced with a lower scrap rate.
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