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8 08, 2019

Injection Molding China

By |2019-08-19T16:52:51+08:00August 8th, 2019|Categories: china mold company, china mold maker, China mold supplier, China plastic injection molding companies, China Plastic Injection Molding Company, Injection Mold China, Injection Mold China company, Injection Mold Cooling System, injection mold maker china, Injection Mold Making, Injection Molded Components, injection molded parts, Injection Molded Plastic, Injection Moulding China, molds|Tags: , , , |Comments Off on Injection Molding China

Injection Molding ChinaSincere Tech, funded in 2005, located in Dongguan city, Guangdong province, China, is a professional injection molding china manufacturer, specializes in making injection Mould & moulding service to the oversea customer,

If you have a project that needs an injection molding China manufacturer to support, you are welcome to send us your requirement for quotation, you will not lose anything but have our competitive price for your reference,

Worry about your project data being shared by others, no worry, we can sign an NDA document to protect your project.

If you work with us. You will be fully satisfied with our excellent service, quality and reasonable […]

30 03, 2019

Injection unit

By |2019-04-01T10:10:07+08:00March 30th, 2019|Categories: Injection Mold China, Injection Mold China company, Injection Molded Components, injection molded parts, injection molding, injection molding machine, Injection Molding Supplies, Injection unit, molds|Tags: , , , |0 Comments

The injection unit of injection molding machine is much like an extruder. The injection unit melts the polymer resin and injects the polymer melt into the mold. It consists of a barrel that is fed from one end by a hopper containing a supply of plastic pellets. The unit may be: ram fed or screw fed.

The injection unit consists of a granulate hopper, cylinder, screw, nozzle, heating bands and hydraulic drives and serves the purpose of melting and injecting the moulding material.

Injection-molding-machine Injection-molding-machine

Injection screw

The reciprocating-screw machine is the most common. This design uses the same barrel for melting and injection of plastic.

The alternative unit involves the use of separate barrels for plasticizing and injecting the polymer. This type is called […]

26 03, 2019

Gas Assist Injection Molding

By |2019-05-02T19:39:54+08:00March 26th, 2019|Categories: Gas assist moulding, Injection Molded Components, injection molded parts, Injection Molded Plastic, injection molded plastic part, injection molding, Injection molds|Tags: , , , , , |1 Comment

Gas-assist injection molding is a process that utilizes an inert gas (normally nitrogen) to create one or more hollow channels within an injection molded plastic part. At the end of the filling stage, the gas (N2) is injected into the still liquid core of the molding. From there, the gas follows the path of the least resistance and replaces the thick molten sections with gas-filled channels. Next, gas pressure packs the plastic against the mold cavity surface, compensating for volumetric shrinkage until the part solidifies. Finally, the gas is vented to the atmosphere or recycled.

Gas-assist injection molding has been around for well over two decades and many people have had concerns over patent, rights and […]