Whitening defect is a common appearance defect in injection molding, which mostly appears on product surface corresponding to ejector pins and ejector blocks, showing whitish marks. In serious cases,
2026/10/16 Chinese Injection Molding
The cutting edge of threaded cap molds bears continuous impact and melt erosion during repeated molding cycles. Wear or chipping of cutting edges causes flash, poor product dimensional consistency and
2026/10/15 Injection Mold
Hot runner system directly affects part appearance, molding stability and mass production cost. Selection and procurement should not only depend on price. It needs to comprehensively evaluate various
2026/10/15 Injection Mold
Stress whitening often occurs on conical sealing plugs at cone surfaces, root corners and thin-wall transition areas during ejection, assembly or service. This defect originates from concentrated resi
2026/10/15 Plastic Molds
Plastic mold venting is a critical factor affecting injection molding quality. Trapped gas inside the mold cavity can lead to burning marks, short shots, weld lines and bubbles on molded plastic parts
2026/10/15 Injection Mold
Demolding sticking means plastic products adhere to cavity, core or insert surfaces after injection molding and cannot separate smoothly. Minor faults cause product stretching and deformation, while s
2026/10/14 Chinese Plastic Injection Molding
Lifter mechanism is widely used in injection molds to form undercut features on the inner side of plastic products. Lifter sticking is one of the common mold faults during continuous mass production,
2026/10/14 Chinese Injection Molding
Chrome plating coating is a common surface treatment technology for injection mold cavity. It can improve surface hardness, reduce friction, increase corrosion resistance and reduce material precipita
2026/10/14 Injection Mold