The front and back doors of the injection molding machine are equipped with limit switches for protection. At the beginning of injection molding, the front and rear safety doors must be closed first. Generally, the rear safety door is closed for a long time, and the front safety door is equipped wit... read more
(1) Manual whetstone grinding, strip whetstone plus kerosene as lubricant or coolant. The general order of use is #180~#240~#320~#400~#600~#800~#1000. Many mold manufacturers choose to start with #400 in order to save time. (2) Semi-precision polishing Semi-precision polishing mainly uses sandpaper ... read more
In the process of extrusion of plastic pipes, a series of problems are often encountered. On the surface of the high-pressure hose, in addition to cracks, black bars, moiré and other problems, there are also bubbles in the high-pressure hose. The bubbles are generated in the plastic hose, which is g... read more
When the vertical injection molding machine is out of service for a long time, some protective measures are needed to re-use it. Its function is to prevent rust and aging of the equipment. One: washing machine For the raw material powder, oil stains, water stains and dust of the washing machine. Aft... read more
The core of the repair work of the injection molding machine is the judgment of the fault and the treatment of the fault. It involves a wide range of knowledge, a large degree of complexity, and a certain depth (such as comprehensive professional knowledge level). You must have basic knowledge of me... read more
Injection molding machine first fast and slow injection method Fast first and then slow, that is to say, use the first level of fast injection, and when it reaches a certain set position, then the second level of slow injection. This secondary starting point is generally set at the late stage of inj... read more
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China Plastic Injection Molding Machine Manufacturers
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No.36 Yongjiang South Road, Beilun District, Ningbo,315800, China
0086-188 6861 6288
0086-574-86961178
haixiong@highsun-machinery.com