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1. The effect of temperature It has been known from the previous analysis that the viscosity of plastics is a function of shear rate, but the visco...

Back pressure is very important for injection molding , which directly affects the filling of melt and the quality of plastic parts. (1) Proper bac...

The traditional mold design and process parameter setting mainly rely on the experience and skills of the designer. The rationality of mold design ...

1. Improper equipment selection. When using the equipment, the maximum injection quantity of the injection molding machine must be greater than the...

Dents are generally caused by the increase of the shrinkage rate of plastic products caused by the increase of the wall thickness. They may appear ...

1. wall rupture This kind of defect usually appears on the side wall near the corner of the square cylinder, and usually appears near the radius of...

1. Guide pillar damage The guide pillar mainly plays a guiding role in the mold to ensure that the forming surfaces of the core and cavity do not c...

Compound injection molding can be used to enhance product functionality, such as improved chemical resistance, increased grip, softer and more attr...

1、 Barrel temperature Generally, barrel temperature, nozzle temperature and material melting temperature are shown in Table 1. If the service life ...

As a common plastic mold, injection mold is widely used in the market. Several aspects should be considered when purchasing injection mold. For exa...

Among the related factors affecting precision injection molding , mold is the key to obtain precision plastic products that meet the quality requir...

The phenomenon of bubbles in the injection molding process of PC plastics is very serious. The problems that should be paid attention to in the mol...