Industry Information

Update December 11, 2021

Causes and solutions of flow marks in injection molded products

1. The main reason for flow marks in injection molded products It is caused by the slow down of the material flow when the injection pressure and shooting speed of the material are not reached. 2....

Update December 11, 2021

Causes And Solutions Of Concave Bottom Of Bottle Blowing Machine

Causes and solutions of concave bottom of bottle blowing machine In the process of bottle blowing, if the parameters are not set properly, various problems will appear in the blown bottle, and the...

Update December 11, 2021

Acceptance Standards for Packaging Bottle Moulds-part 4

Mold out, reset, pull out the core, take part 1 The ejection should be smooth, without jamming, and without abnormal sound. 2 The inclined top surface should be polished, and the inclined top surface...

Update December 09, 2021

Acceptance Standards for Packaging Bottle Moulds-part 3

Mold material and hardness 1 The mold base should be a standard mold base that meets the standard. 2 Mold forming parts and gating system (cores, movable and fixed mold inserts, movable inserts,...

Update December 09, 2021

How to use the screw of the injection molding machine

Do not start the machine when the barrel has not reached the preset temperature. The new electric heating generally requires the temperature to reach the set value for 30 minutes before operating the...

Update December 08, 2021

Brief Introduction of Preform Heating Furnace for PET Blow Molding Machine

In the PET bottle blowing machine, the heating of the preform is a crucial link. The quality of the heating of the preform directly affects the quality, output, energy consumption and life of the...

Update December 08, 2021

Acceptance Standards for Packaging Bottle Moulds-part 2

Mold appearance 1 The mold nameplate has complete contents, clear characters, and neat arrangement. 2 The nameplate should be fixed on the mold foot near the template and the reference angle. The...

Update December 07, 2021

Characteristics of PET Heating Process

The chemical name of PET is polyethylene terephthalate, which is the most important variety in thermoplastic polyester.The English name is Polythylenc terephthalatc, abbreviated as PET or PETP,...

Update December 07, 2021

Acceptance Standards for Packaging Bottle Moulds

Shaped product appearance, size, fit 1 Defects on the product surface are not allowed: lack of material, burnt, top white, white lines, peaks, blistering, whitening (or cracking, breaking), baking,...

Update December 06, 2021

Nine common problems of PET and color masterbatch.-part8-9

8. After a period of time, some plastic products will fade The basic pigments used by the manufacturer are of poor quality and drifting occurs. 9. Why ABS color masterbatch is particularly prone to...