• Operation Steps for Screw Cleaning in Injection Molding Production

  Screw cleaning is an essential operation before material/color changes, production transfer, and shutdown maintenance in injection molding. Residues (old material, carbon, color powder, glass fiber) i

  2026/02/11 Injection Molding

• Maintenance of Hot Runner Needle Valve Nozzles for Plastic Molds

  Needle valve hot runner nozzles are core components of precision injection molds, enabling gate-free, non-stringing, and non-dripping high-quality molding for appearance parts, transparent parts, and

  2026/02/11 Plastic Molds

• Solutions for Color Variation in Injection Molded Parts

  Color variation is a common appearance defect in injection molding, manifesting as uneven shade, gloss difference, streaks, spots, or deviation from standard samples. It seriously reduces qualificatio

  2026/02/11 Injection Mold

• PET Plastic Injection Molding Precautions

  PET (Polyethylene Terephthalate) is a high-performance crystalline engineering plastic, featuring high mechanical strength, good fatigue resistance, high transparency, and excellent chemical corrosion

  2026/02/11 Plastic Injection Molding

• Guide to Mold Steel Selection for Low-Temperature Injection Molding

  Low-temperature injection molding, with mold temperatures controlled at room temperature to 40℃ (even 0℃～20℃ for cooling-sensitive materials), is widely used in precision engineering plastics, transpa

  2026/02/10 Injection Molding

• Mold Steel Selection for PET Injection Molding

  PET (Polyethylene Terephthalate) is widely used in packaging, transparent parts and precision components due to its excellent transparency, mechanical strength and chemical stability. However, PET inj

  2026/02/10 Injection Molding

• Solutions to Flash on the Parting Surface of Plastic Molds

  In plastic mold production, flash on the parting surface is a common problem affecting product appearance and efficiency. It increases flash trimming time, reduces yield, and even causes mold crushing

  2026/02/10 Plastic Molds

• Practical Skills for Eliminating Injection Molding Weld Lines

  In injection molding production, weld lines are one of the most common defects affecting product appearance and strength, especially obvious in transparent parts, appearance parts and structural parts

  2026/02/10 Injection Molding