Category plastic mold

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 –…

The plastic  mold  finish standard data: polishing standard Surface finish of SPI-SPE standard A-0   # 1 diamond buff (optical requirements) A-1   # 3 diamond buff  polishing (mirror) A-2   # 6 diamond buff  polishing (mirror) A-3   # 15 diamond…

Mold temperature control Hot runner mold temperature is controlled by a system,which includes temperature control box,heating coil and nozzle. 1. method for mold temperature control there are several ways available methods such as steam, hot oil circulation, , and the…

Barrel and plastic mold temperature during the injection molding Plastic heating time and temperature Cooling Channel Diameter of plastic mold flow length to wall thickness  and cavity pressure