Plastic products annealing treatment is designed to eliminate the internal stress. The different temperature slowing down between the thick and thin area of plastic part leads to non-uniform shrinkage, which results in the phenomenon of stress concentration. As to the…
China tooling,Plastic mould china,China injection mold factory As a reputated China injection mold factory,PIM(topworks)plastic mold has been providing custom plastic molding companies service ,China tooling solutions for over 13 years ,from prototyping to the final packaged product ready to ship to…
1. container_spec container for plastic mold package
Gate is a passage way from the subrunner to the mold cavity,and its cross-section is the smallest and shortest part in the injection system. Position ,number, shape and size of the gate have a direct impact on the quality and…
The temperature of mold and barrel The diameter of hotrunner for different of resin: The thickness of core insert plate rough calculation: The depth of vent slot： plastic specific heat values
Check points for the plastic mold 1, parting surface.Regularly clean and keep no foreign body on that.the burr and scrape on the surface should be removed immediatly otherwise they will bruise and damage the mold surface 2, The guide pins…
Confirmation of the oil hose and limit switch connection 1.Check the oil hose for the possible leakage. 2.Check the opening and closing of the mold for unusual sounds. 3.Check the limit switch installing and wires. 4.Confirm when mold ejection plate…
This scope is suitable for injection working unit of injection workshop . Plastic mold operation key points:mold transport,mold assembly ，connection of mold cooling water hose ,confirmation for oil hose and limit switch connection,molding job, processing the flash for overfilling ,usage of…
clamping tonnage VS shot weight clamping tonnage(T-吨) shot weight(g-克) shot weight(oz-盎司) 10 7 0.24 20 18 0.64 30 31 1.1 40 48 1.7 50 65 2.3 60 85 3 70 116 4.1 80 128 4.5 90 151 5.3 100 173…
Hardness Conversion Chart Tensile strength Rm N/mm2 Vickers hardness HV Brinell hardness HB Rockwell hardness HRC 270 85 80.7 – 285 90 85.2 – 305 95 90.2 – 320 100 95.0 – 335 105 99.8 – 350 110 105 –…