PET preform mold applies hydraulic ejecting system, which brings advantages such as strong endurance and low noise. Diametrical (radial) and length (axial) shrinkage were taken as the responses for one-liter PET plastic preform bottle to perform optimization by controlling four injection molding process parameters. Besides, 10% to 15% electric energy is saved. The paper investigated the optimization design of plastic injection molding process parameters for preformed bottle production using the grey-Taguchi method to minimize shrinkage defects. It adopts pin-valve hot runner system which reduces wearing and maintenance cost of molds. The heating band unit features powerful heating capacity and long life span. In the PET preform mold, the double heating system guarantees excellent heating and incredible quality control. Water channels in the molds are specially treated to prevent from jam. The PET preform mold adopts self-locked structure of international advanced bi-awls with fixed orientation. Off-center adjustment system can excellently confine the deviation of preform’s wall thickness to less than 0.05 mm., thus prolonging the service of the mold. The mold components are in conformity with the standard and can be inter-changed. Labor intensity can be reduced without the cutting of the gate.Ĩ. Each PET preform mold features long service time (more than 3 million times).ħ. The excellent hot runner design not only assures uniform heating, but also improves the quality of plastic products a lot.Ħ. Lip cavity is made of imported nitrated steel, which is of high hardness and long service life, and meets international standard.ĥ. Moreover, each cavity is capable of Individual temperature control.Ĥ. PET preform mold core cavity is made from special mold steel and has undergone preheating treatment in the original factory in Sweden. Each cavity can be independently self-locked.ģ. This PET plastic bottle injection mould is designed with internally advanced two-step dual taper locating technology. The tube blank preforms come into being under the computer control, which contributes to high bottle production.Ģ. We provide wide range of PET preform molds, from 1-cavity mould for forming wide-jar and gallon-bottle performs, to 72-cavity neck perform molds. Mixed Two Color Injection Molding Machine(HXS/h Model)ġ.Unmixed Two Color Injection Molding Machine(HXS Model).HXZ Series Two Platen Injection Molding Machines.
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