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Floating Dock Pallet Road Barrier Blow Molding Machine

Floating Dock Pallet Road Barrier Blow Molding Machine

Floating Dock Pallet Road Barrier Blow Molding Machine .Control factors of blow molding machine production There are many factors related to the qualification rate of the plastic products produced by the blow molding machine, including the temperature of the tray billet, the extrusion speed, the blow up pressure of the tank billet, the blowing rate, the blow up ratio, the mold temperature and the cooling time, etc.

Water Tank Floating Dock/ Pallet/ Road Barrier Blow Molding Machine 

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Control factors of blow molding machine production

There are many factors related to the qualification rate of the plastic products produced by the blow molding machine, including the temperature of the tray billet, the extrusion speed, the blow up pressure of the tank billet, the blowing rate, the blow up ratio, the mold temperature and the cooling time, etc.

1.the temperature of the billet and the speed of extrusion

Parison temperature: the temperature should be kept uniform and moderately low.

High temperature will result in sagging, uneven thickness and low melt strength.

If the temperature is too low, there will be swelling and protrusion, shrinkage of length, increase of wall thickness, and poor internal and surface quality.

2.blowing pressure and blowing rate

According to different blowing materials, blow pressure is between 0.2~1MPa. The water tank takes the high value, the pallet takes the middle value, and the desktop takes the low value.

Drum speed: increase the speed as much as possible, reduce time, uniform thickness and good surface quality.

3.Mould temperature

Uniform requirements to ensure uniform curing of products

If the temperature is too low, the cooling rate will be fast, not easy to blow up, the thickness will be uniform, and the surface pattern will not be clear.

When the temperature is too high, the cooling time is long, the deformation and the shrinkage rate are large.

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