As I write this, General Motors Corp. is preparing to lay off an additional 1,600 workers, to qualify for more government aid, and Chrysler LLC’s future is in question.
GD&T is a communications protocol that is particularly helpful in a global economy where parts may be made in one part of the world and used in another. GD&T is increasingly being accepted as the best way of specifying 3-D design dimensions and tolerances on engineering design drawings.
The appeal of robotic inspection lies in its flexibility, as well as improvements in product quality and productivity. Having the ability to change product mix rapidly is a selling point, as is the reduction in scrap and rework.
Today, the majority of manufacturers have come to understand and accept the roughness profile, Ra. But how much does industry understand the importance of the related waviness profile, Wt? As the waviness profile is becoming more common in process control, operators should learn how to understand this parameter.
Dickten Masch Plastics (Milwaukee) shuttles metal and plastic components from metal forming machines to multi-stage plastic and rubber injection molding machines, producing millions of precision electrical connectors and similar parts each year.
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