Analyze the advantages and disadvantages of hollow blow molding

Advantages of hollow blow molding:
1. The hollow, double-walled structure absorbs and eliminates impact energy.
Second, the design flexibility, so that the product has high functionality and low production costs.
Third, the processing technology can change the thickness of the parison.
Fourth, the thickness of the product can be arbitrarily changed during the processing without the need to improve the mold.
5. Low-pressure molding (in-mold stress is much smaller than injection molding), which improves dimensional stability, chemical corrosion resistance and high temperature performance.
Sixth, assembly diversity: self-tapping screws, mold inserts, rivet expansion fasteners.
Seven, the mold is simple, the cost is not high, and the processing cycle is short.
Eight, can quickly produce low-cost sample molds.
Disadvantages of hollow blow molding:
First, blow molding makes a low-pressure processing method, it is difficult to produce products with more complicated structures.
Second, blow molding parts need to be trimmed to eliminate burrs and flash.

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