Quantitative management of warpage for all units! Numerical guarantee of 3D shapes with a non-contact displacement meter.
From sampling to full measurement. We manage the variation in warpage quantitatively through coordinate measurement of multiple points using a non-contact displacement gauge.
Large, thin-walled cover lenses and resin panels are prone to warping and distortion during the cooling process after molding, which can lead to assembly defects and appearance issues. Traditional sampling three-dimensional measurements made it difficult to guarantee the entire production. Yoshida Techno Works has developed a dedicated measurement fixture with multiple non-contact displacement sensors to quantitatively acquire and manage coordinate data (warping amount) for all molded products. The measurement data is recorded and stored on a lot basis and is also used for feedback to optimize molding conditions. This initiative has significantly reduced the risk of defective products with shape issues leaking out and has eradicated assembly defects in subsequent processes.
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- Establishment of a quantitative management system for the warpage amount of BC7/VG4 cover lenses for Fujimitsu Resin/Rhythm Shoei - Full recording of coordinate data for multiple measurement points using a non-contact displacement meter - Prevention of the outflow of defective products and stabilization of mass production quality
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**About Yoshida Techno Works** We are the world's first manufacturer to commercialize in-mold transfer molding, which utilizes plastic molding and decoration technology cultivated through cosmetic container manufacturing, allowing for simultaneous molding and transfer decoration. **Key Technologies** - Double in-mold molding that performs simultaneous decoration on both sides of the product - Hybrid molding that combines sheet inserts with in-mold techniques - Glass insert in-mold (GIM) molding that inserts reinforced glass into the mold, allowing for integrated molding of resin frames and decoration - Two-color in-mold molding that combines rotational two-color molding with in-mold transfer - Composite technology that integrates metal (such as SUS sheet metal and nuts) with in-mold molding - Real material (natural wood, fabric, synthetic leather, etc.) insert molding - Out-mold deep drawing decoration method (VSS) compatible with metal, glass, and resin