● Injection mould Structure, composition, classification and function of;
● Optimized design of gating system (gate, runner, cold well, etc.)
● Optimization design of cooling system (water circuit, water separator, beryllium cylinder, etc.)
● Setting and adjustment of shrinkage rate
● Relationship between gating system, cooling system, mold structure and injection molding process
● Mold installation, commissioning and maintenance
● Process control by using chiller and mold temperature machine
● Use CAE mold flow analysis technology to optimize mold design
Description and cause analysis of shrinkage cavity, shrinkage, insufficient mold, burr, weld line, silver wire, spray mark, scorch, warpage deformation, crack/fracture, size out of tolerance and other common injection problems, as well as solutions in mold design, molding process control, product design and plastic materials.
● Cause analysis and solutions for lack of glue and insufficient mold around injection molded parts
● Cause analysis and countermeasures for the sharp edge (burr)
● Cause analysis and countermeasures for surface shrinkage and shrinkage cavity (vacuum bubble) of injection molded parts
● Cause analysis and solution of craze (material and water), scorch and air mark
● Cause analysis and solutions of water ripple and flow mark (flow mark) on the surface of injection molded parts
● Cause analysis and countermeasures for water inclusion (weld line) and spray pattern (snake pattern) on the surface of injection molded parts
● Cause analysis and countermeasures for surface cracks (crazing) and white top (bursting top) of injection molded parts
● Cause analysis and solutions for surface color difference, poor gloss, color mixing, black stripe and black spot of injection molded parts
● Cause analysis and solutions for warpage deformation and internal stress cracking of injection molded parts
● Cause analysis and solutions for dimensional deviation of injection molded parts
● Cause analysis and countermeasures for sticking, dragging (pulling) and dragging of injection molded parts
● Cause analysis and countermeasures for insufficient transparency and strength (brittle fracture) of injection molded parts
● Cause analysis and countermeasures for cold spots and peeling (delamination) on the surface of injection molded parts
● Cause analysis and solutions for defective metal inserts of injection molded parts
● Cause analysis and improvement measures for nozzle salivation (running), glue leakage, nozzle wire drawing, nozzle blockage, difficulty in mold opening
● Use CAE mold flow analysis technology to quickly and effectively solve problems on injection molding site
