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how to control plastic injection tolerance

  1. Understand the specifications: Review the design specifications and tolerances to ensure that you understand the exact measurements required for the end product.

  2. Choose the right material: Select the right material that meets the required specifications, as well as any regulatory requirements.

  3. Optimize the mold design: Work with the toolmaker to optimize the mold design, paying particular attention to gate location, cooling system, and part ejection.

  4. Monitor melt temperature and injection pressure: Maintain consistent melt temperature and injection pressure during the injection molding process.

  5. Use process control methods: Use statistical process control methods, such as Six Sigma, to ensure consistent and accurate injection molding performance.

  6. Inspect the parts regularly: Inspect the parts regularly during production to ensure they meet the required specifications. If any issues arise, adjust the molding process as necessary.

  7. Continuously improve the process: Continuously improve the injection molding process based on the results of inspections and any feedback from customers, suppliers, or other stakeholders.

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