what is welding mark?
as an injection molding engineer, he should be very familiar with welding mark, the thread mark formed at the front confluence of two or more melt flows in the cavity is called welding mark or welding line. […]
temperature of plastic molds is very important
temperature of plastic molds directly influences the molding quality and productivity of plastic parts, for thermoset plastics, […]
introduction to secondary ejector unit
Generally, plastic parts can be taken out of the mold cavity by only one ejection, yet due to their special forms, it is still difficult to take out the parts from cavity or the parts can not fall off freely from the mold upon the completion of an ejection movement. […]
complex molds need a special cleaning processes
A look at non-destructive cleaning processes for complex molds that require the removal of tenacious surface contamination to ensure surface quality and longevity of precision mold and molded part surfaces. […]
How to select your mold steel
Tools shops are looking for three things from their steel suppliers—steel that is inexpensive, good quality and can be delivered fast. The problem is that you rarely get all three of these needs filled at the same time. So what is the most important of the three? […]
there are many versions in mold grade description
there are many versions in mold grade description, actually, molds are subject to normal wear during it’s use, until the plastic part fails to meet it’s quality requirement. […]
Temperature controller is a very important part in a hot runner system
A quality hot runner system is critical to the injection molding of consistent, high quality parts. One of the most important performance aspects of a hot runner system is its temperature uniformity. The temperature should be consistent across the hot runner system and should not vary with time. Even slight variations in temperature can have [...]
What will we consider when purchasing EDM?
There are numerous factors to consider when purchasing a warranty program with your new EDM, let’s examine three important ones. […]
the merit of the Gas-assisted injection molding–high surface quality
the merit of the Gas-assisted injection molding—high surface quality. […]
more informations about gas injection stage
I want to say something about Gas injection stage, this stage plays a very significant role in the whole production process in which it directly influences the final quality of a product. […]