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Plastic basket moulding machine
  • Plastic basket moulding machinePlastic basket moulding machine

Plastic basket moulding machine

Plastic basket moulding machine is a special injection molding machine for producing plastic fruit and vegetable baskets. The plastic basket moulding machine is a servo injection molding machine with a servo hydraulic system. ZOWEITE not only provides injection molding machine technology, but also provides injection molding system solutions to help customers gain an advantage in market competition. ZOWEITE injection molding machine manufacturers will provide customers with the best price.

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Product Description

Plastic basket moulding machine is a special injection molding machine for producing plastic fruit and vegetable baskets. The plastic basket moulding machine is a servo injection molding machine with a servo hydraulic system. ZOWEITE not only provides injection molding machine technology, but also provides injection molding system solutions to help customers gain an advantage in market competition. ZOWEITE injection molding machine manufacturers will provide customers with the best price.


Plastic basket moulding machine


Plastic basket moulding machine advantage:

1.With special design plasticizing system, with high efficiency and durability.

2.Simultaneous execution of multiple actions to shorten the molding cycle.

3.Equipped with a patented basket taking mechanism. The machine is full automatic,safe,efficient and labor-saving.


Plastic basket moulding machine


What aspects affect the service life of the plasticizing system of the plastic basket  moulding machine:

1. Mechanical wear:

Some modified plastics are added with minerals, glass fibers, metal powder, etc. The existence of these materials will cause uniform mechanical wear to the screw, three small parts and the melt cylinder over time during the plasticization and injection processing. Nitride and chrome plating can be removed. After wear, the gap between the screw and the melt barrel increases, which reduces the plasticizing effect, increases the leakage of injection molding, reduces the injection molding efficiency, and reduces the processing accuracy. Therefore, in order to reduce wear as much as possible and prolong the service life of plasticizing components, the temperature should be appropriately increased and the screw speed should be reduced during processing. Choose chrome plating or use a bimetallic solution to prevent wear more effectively.

2. Mechanical fatigue and overload operation:

The adjustment personnel habitually set low temperature to work, and habitually set high speed and high pressure to work, which gradually deteriorates the performance of plasticizing components. For example, when processing PC/PA plastics, when the temperature does not meet the requirements, the plastic viscosity is very large. If the sol action is forced at this time, the sol pressure must be increased, and the sol torque must be increased, thus increasing the stress fatigue of the screw. At the same time, because the viscosity of the plastic melt is very high at this time, the injection pressure and injection speed must be increased for injection molding, which increases the impact and load of the three small parts, and accelerates their wear and stress fracture.

3. Human factors (including operation errors or illegal operations, etc.): 

(1) When metal impurities are mixed in plastic and enter the melt cylinder together, due to the extrusion effect, the screw ribs, screw grooves, and over-glue gaskets are produced to varying degrees. Wear and tear, resulting in unstable injection molding, prone to black spots and black streaks.

(2) Artificially adding wrong plastic, adding high-temperature plastic to the melt barrel set to low temperature, resulting in excessive torque of the screw during melting, causing stress fatigue of the screw.

(3) Cold start is a kind of impatience and irresponsible work attitude. When the temperature of the sol cylinder does not reach the set required temperature or just reaches it, the outer layer of the residual material in the material tube absorbs the heat from the heating ring to make the temperature higher, while the inner layer temperature is still very low. Therefore, during cold start The torque of the screw is very large, which causes the screw to produce stress fatigue. In severe cases, the screw will be broken quickly, and the rubber head and the rubber ring will be broken. Most of the metal impurities entering the melt cylinder are brought in together with the crushed material.

4. Correct assembly, debugging and replacement of parts: 

This aspect is also very important. If the assembly of the sol barrel is not tight enough, the screw will touch the sol barrel when the sol or glue is injected, causing the screw or the melt barrel to wear. Therefore, the technical status of the equipment should be checked regularly, and attention should be paid to the abnormal phenomena of the parts during processing.

5. Damage caused by improper process: 

(1) Long-term use of high back pressure sol will accelerate the wear of the three small plasticized parts. This situation generally occurs when toner is used. Since the toner is difficult to disperse, the method of increasing the back pressure is adopted.

(2) For plastics with high viscosity, fast sol is used for sol, so that the screw produces stress fatigue.

(3) For high temperature plastics, especially plastics with glass fiber added, the high-speed sol method shall not be used.

ZOWEITE has been in injection molding machine for 30 years. If you interested plastic basket moulding machine,please do not hesitate to contact me.


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