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• 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

• 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

• 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

• Polishing Points for Mirror Steel Plastic Molds

  In the field of plastic mold manufacturing, mirror steel (such as S136, NAK80, 420ESR, etc.) is widely used in the production of transparent PET, PC, PMMA and other products due to its excellent polis

  2026/02/10 Plastic Molds

• Methods to Eliminate Color Streaks in Two?Component Injection Molding

  Two?component or two?color injection molding produces parts with dual materials or colors in one process. However, color streaks, mixing, fogging, flow marks, and bleeding often appear at the interfac

  2026/02/09 Injection Molding

• Troubleshooting Methods for Cooling Water Leakage in Plastic Molds

  Cooling water leakage is a common and troublesome problem in injection molds. Leaks cause uneven cooling, mold rust, product shrinkage, poor surface quality, and even electrical hazards or machine dam

  2026/02/09 Plastic Molds

• Performance Differences Between S136 and SKD61 for Plastic Molds

  S136 and SKD61 are two high-grade mold steels widely used in plastic injection molding, but they have distinct performance orientations and application scenarios. Confusing their use can lead to mold

  2026/02/08 Injection Molds