Tolerances as tight as +/- .001 inches are required for many high-performance, complex plastic parts and products.Learn more about how injection molding achieves these remarkable tolerances in our guide,How to Achieve Tight Tolerances in Custom Plastic Injection Molding.In ityou'll learnhow:
- Tight tolerance moldingreduces or eliminates secondary operations, like machining
- Tight tolerance molding is essential forcontrolling shrink and warp,以及如何mold fillinganalysiscan predict these
- Thermal expansion ratesin plastics can be controlled using fillers
- Tool design, tool material and cavitationall impact tolerance
Sneak Peek Inside the Guide:
“Tight tolerance is a term often tossed around loosely by both injection molders and manufacturers. However, if tight tolerances are not adhered to correctly within a design, parts and components could underperform or possibly fail, resulting in a tooling and/or process overhaul. Tight tolerance is serious business, especially for plastic injection-molded complex parts.
In general, a typical tight tolerance for injection molding is +/-.002 inches (.050mm), while a very tight tolerance is +/-.001 inches (.025mm). There are many factors that impact injection molding tolerances — part design and complexity; material selection; tooling; process design and control — all of which require precision to meet exacting part specifications.
改进大调的ing the design phase of a project not only helps ensure that repeatable tight tolerances can be achieved during production, but also helps improve manufacturability, quality, and end-user satisfaction, all while reducing costs."
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