Knowledge

First, the principle of multi-stage injection plastic flow: 1. The first injection glue is fed at low speed, the nozzle is removed from the cold material head and then the second s

Plastic internal stress refers to an internal stress caused by the orientation of macromolecular chains and cooling contraction during plastic melting processing. The essence of th

Fireproof V0/halogen-free flame retardant PC+ABS plastic raw materials weather resistance is very good in the automotive industry parts, small accessories required high temperature

PVC, also known as hard PVC, is an amorphous thermoplastic resin made by polymerization of vinyl chloride monomer plus certain additives (such as stabilizers, lubricants, fillers,

1. Five major elements: 1. Temperature: heating ring, thermocouple. If the thermocouple is broken, the actual temperature is high, which is easy to produce undesirable phenomena su

PC is commonly known as polycarbonate, which is commonly known as bulletproof glue due to its excellent mechanical properties. PC has the characteristics of high mechanical strengt

First, the shrinkage rate The form and calculation of thermoplastic molding shrinkage As mentioned earlier, the factors affecting thermoplastic molding shrinkage are as follows: 1.

First, the formation of back pressure In the process of plastic melting and plasticization, the melt continuously moves to the front end of the barrel (measuring chamber), and more

1. General remarks Leakage is a common fault phenomenon in injection molding machines, mainly due to the pressure difference caused by the pressure difference and the gap between t

One. What is the Macromelt® Low Pressure Injection Molding Process? Macromelt low-pressure injection molding process is a packaging process method that injects the encapsulation ma

Whether hydraulic or electrically trained, all movements during the injection molding process generate pressure. Proper control of the required pressure can produce a finished prod

A large part of the brittleness of products is caused by internal stress. There are many reasons for brittleness of products, mainly including: A equipment aspect (1) There are dea