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◆Yoshida SKT Co., Ltd.◆ NEW "What is mold biting? We also introduce methods to prevent biting" has been published.

吉田ＳＫＴ

吉田ＳＫＴ

We will introduce the main materials used for molds, as well as surface treatments and case studies that can solve molding troubles. **Methods to Prevent Mold Galling** Surface Treatment: By properly treating the surface of the mold, the resin becomes less likely to stick to it. Improvement of Gate Design: By designing the gate with consideration for the fluidity of the resin and the balance of forces during withdrawal, mold galling can be prevented. Optimization of Molding Conditions: By optimizing molding conditions, the resin becomes less likely to stick to the mold. For example, it is important to appropriately set molding conditions such as molding temperature, injection speed, injection pressure, and holding pressure. Mold Maintenance: Proper maintenance can prevent the occurrence of galling. Cleaning the surface, correcting the gate and flash surfaces, and air blowing are effective measures. We have published an article on methods to prevent mold galling. You can download the PDF materials on the product page. Please be sure to check the product page.

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Related product information

  • What is mold biting? Introducing methods to prevent biting.

    [Presentation of Coating Materials] We will introduce "galling," which leads to a decline in the appearance quality and dimensional accuracy of molded products, resulting in a deterioration of product quality.

    Common surface treatments used for molds include: 1. Plating 2. Anodizing 3. Fluororesin coating 4. Mirror finishing 5. Electrolytic polishing 6. DLC (Diamond-Like Carbon) 7. TiN (Titanium Nitride) However, conventional surface treatments may not meet the desired functions such as strength and release properties, and improvements may not be achieved as expected. The technology that realizes the combination of "strength + anti-adhesion and slip properties comparable to fluororesin coating" is our original surface treatment 'BICOAT'. [Main Types of BICOAT(R)] ■ NYK-01 - A surface treatment that combines a nickel-based metal coating with fluororesin. ■ NOO-01 - A surface treatment that combines a chromium-based metal coating with fluororesin. ■ TYS-03 - A surface treatment that integrates fluororesin into a chemical conversion coating that reacts with iron ions in the metal substrate. ■ NYN-11 - A surface treatment that combines fluororesin with an alumina coating. ■ CTT-200 - A surface treatment that combines siloxane-based resin with a metal coating. *For more details, please click on "PDF Download" or feel free to contact us.

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