Fillets & Radii

One of the intrinsic benefits of MIM is the ability to produce corner breaks and fillets.
  • Corner breaks and fillets play several important roles in a good MIM component design and provide our engineers with design advantages not readily available in some metalworking processes

  • In addition to providing improved injection molded part quality, these design advantages include: improved part strength, elimination of stress concentrations, and softening of sharp corners for aesthetics and handling

  • Typically, corner breaks should be kept larger than .005” radius. Internal and external corner breaks less than .005” radius will induce stress concentrations in the part and will be difficult to fabricate in the mold

  • Should a radius be required along the bottom edge of the part, it can be readily produced, but it should be noted that the part must now have portions of it produced in each half of the mold

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Last updated 11.27.2019