April 24, 2022

  Open mold control When the molten plastic is injected into the mold cavity and the cooling is completed, the mold is removed and the product is removed. The mold opening process is also divided

April 23, 2022

1.4.2.7 Closing Control Closing is the use of huge mechanical thrust to tighten the mold to withstand the high pressure injection and filling molds of the molten plastic in the injection molding proce

April 22, 2022

Temperature Control A thermocouple is used as a temperature measuring element, and a millivolt meter is used as a temperature control device to direct the on-off of the barrel

April 21, 2022

1.4.2.4 Selection of injection speed General injection molding machine control board has a fast-slow knob to meet the injection speed requirements. In the hydraulic system ther

April 20, 2022

Main performance characteristics of automatic cable tying machine manufacturers Performance description. 1 The automatic wire tying machine can greatly reduce the fatigue intensity of em

April 19, 2022

Plug force life tester is suitable for various connector insertion force and plug life conduction test, can display the continuous change value and peak value of insertion force, and has the number se

April 18, 2022

1.4.2.3 Selection of injection pressure The injection pressure of the injection moulding machine is regulated by a pressure regulating valve. Under set pressure conditions, the injection pressure in t

April 15, 2022

Drying process conditions for injection molding: if stored properly, no drying is required. Melting temperature: 220~275°C, please be careful not to exceed 275°C. Mold temperature. 40~

April 14, 2022

Polymer materials represented by plastics have become the four basic materials alongside steel, wood and cement. Plastic products have also been widely used in various fields of national economy and p

April 13, 2022

Overview Injection molding (injection molding) is a method in which a thermoplastic or thermosetting molding compound is uniformly plasticized in a heating cylinder and then pus

April 12, 2022

China remains by far the world's largest market for machinery and equipment, accounting for 29% of the global market in 2012, and will continue to lead the global market. India will be the fastest gro

April 11, 2022

PMMA is often referred to as plexiglass, acrylic, etc. Its chemical name is polymethyl methacrylate. Due to the disadvantages of PMMA such as high surface hardness, easy wiping, low impact resi

April 09, 2022

Injection molding machine is one of the common equipment used in plastic processing industry. Usually, it takes a long time to work. Therefore, how to ensure the normal operation of injection molding

April 06, 2022

There are several reasons for product cracking during injection molding. Processing aspect (1) If the processing pressure is too high, the speed is too fast, the filling volume is high,

April 02, 2022

When we can't eliminate mold scale by using various measures, we must strengthen the maintenance and upkeep of the mold. At the beginning of mold formation, the mold surface is relatively easy

March 31, 2022

In injection molding production, have you encountered the problem of floating fiber, floating fiber refers to the glass fiber exposed to the surface of the product, relatively rough, the appearance is

March 29, 2022

Excessive burrs usually occur on the parting surface, i.e. between the moving mold and the static mold, the sliding part of the slider, the gap of the insert, the hole of the ejector rod, etc., formin

March 28, 2022

Question. The injection molded product is incomplete, how can the process be overcome? The answer is. Slow injection speed Injection speed is of great significance

March 26, 2022

In this article, we will discuss the processing points of heat-resistant ABS resin molding from five aspects: mold design, material drying, molding temperature, holding pressure and time, and mold tem

March 16, 2022

Injection molding of two-color or mixed-color plastic products is to mix the same raw materials into two different colors, plasticize the melt of two colors by two injection molding machines with the

March 12, 2022

The temperature of the injection mold has a great influence on the filling fluidity, curing and shaping of the plastic melt, production efficiency, as well as shape and dimensional accuracy. Every pla

March 07, 2022

The knowledge related to LCP injection molding is as follows. 1. Processing of LCP material (liquid crystal polymer) Key point. LCP material should be dried before use. The temperature i

March 05, 2022

The 80 terms related to injection molding are listed below. Dry A method of forming reinforced products from prepreg or premixed materials. 2. One-step mixing method When m

March 03, 2022

UPVC is also known as hard PVC. in addition to additives, UPVC is mixed with other resins to make it more practical. These resins are PE, ABS, EVA, CPVC, MBS, etc. UPVC has high melt viscosity and poo