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Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type

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Good quality Bakelite Injection Molding Machine for sales
Good quality Bakelite Injection Molding Machine for sales
Haijiang injection molding machine good quality ,but price is better than Bole and Haitian. It is good choice

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Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type

China Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type supplier
Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type supplier Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type supplier Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type supplier Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type supplier Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type supplier Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type supplier Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type supplier

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Product Details:

Place of Origin: CHINA
Brand Name: HAIJIA
Certification: CE ISO9001
Model Number: HJF 240

Payment & Shipping Terms:

Minimum Order Quantity: 1 set
Price: Negotiation
Packaging Details: Standard Export Package for Injection Machine
Delivery Time: 20-30days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 100 Set/Sets per Month
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Detailed Product Description
Voltage: Customed Avaiable Used For: Plasic Products
Motor: Servo & Standard & Variable Pump Keyword: Energy Saving
Warranty: 18 Months Plastic Type: Thermoplastic
Certification: CE ISO9001

Plastic Soapbox Mold Making Energy Saving Injection Molding Machine Thermoplastic Type

1. Treatment of plastics

Because PET macromolecule contains lipid group, it has certain hydrophilicity. Particles are sensitive to water at high temperature. When the moisture content exceeds the limit, the molecular weight of PET decreases and the products become colored and brittle.

Therefore, before processing, the material must be dried, its drying temperature is 150 C, more than 4 hours; generally 170 C, 3-4 hours. It can be used to check whether the material is completely dry. The proportion of recycled PET bottle blank should not exceed 25%, and the recycled PET bottle blank should be thoroughly dried.

2. Selection of Injection Molding Machine

Because of the short time of stabilization after melting point and the high melting point of PET, the injection system with more temperature control section and less self-friction heat generation during plasticization should be selected, and the actual weight of the product (water-containing orifice) should not be less than 2/3 of the injection volume of the machine.

3. Mould and gate design

PET bottle embryo is usually formed by hot runner mould. It is better to have a heat insulation plate between the mould and the injection machine template. The thickness of the heat insulation plate is about 12 mm, and the heat insulation plate must be able to withstand high pressure. Exhaust must be sufficient to avoid local overheating or fragmentation, but the exhaust outlet depth should not exceed 0.03mm, otherwise it is easy to produce flash.

4. Melt temperature

It can be measured by air irradiation method, ranging from 270 to 295 degrees C, and the enhanced grade GF-PET can be set to 290 to 315 degrees C.

5. Injection speed

Generally, the injection speed should be fast to prevent premature coagulation during injection. But too fast and high shear rate make the material fragile. The projectile is usually completed in 4 seconds.

Contact Details
Ningbo haijiang machinery manufacturing co.,Ltd

Contact Person: Rayson

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