Sink marks and local depressions are common defects of injection‑molded products, mostly appearing at thick‑wall positions, bosses and rib junctions. Light sink marks affect surface appearance, while
2026/08/26 Injection Molding
Plastic fasteners cover plastic screws, nuts, snap‑fit components and threaded inserts, widely used in home appliances, new‑energy products and consumer electronics. These structural parts require str
2026/08/26 Injection Mold
Mold sticking means molded parts or cold sprue slugs adhere to mold surfaces and cannot detach smoothly during demolding. This common trouble interrupts normal cyclic production. Operators have to sto
2026/08/25 Injection Mold
Both injection molding and extrusion molding belong to major thermoplastic processing technologies. Both processes heat plastic for melting and utilize screws for plasticizing and material conveying.
2026/08/25 Injection Molding
Floating glass fiber is a typical surface defect for glass‑fiber‑reinforced injection molded plastics. Exposed glass fibers appear as white dots and fine fibrous hairs on component surfaces. Such flaw
2026/08/25 Injection‑Mold
Fully‑automatic injection molding workshops rely on manipulators, conveyor belts and assembly lines to achieve low‑manpower continuous production. Molds for automated production place stricter require
2026/08/25 Injection Molding
POM, also known as acetal or polyoxymethylene, is a high‑performance crystalline engineering plastic widely applied for gears, sliding parts and structural connectors. It features high hardness, low f
2026/08/24 China Plastic Molds
Threaded plastic components such as bottle caps, pipe fittings and sealing connectors demand strict thread precision. Flash occurring on thread tooth gaps, parting lines and core‑pulling joint surface
2026/08/24 Plastic Molds