What are ejector pins?
The ejector pins are long pins used in the injection industry to push the final form from the mold. They are forcibly used to eject a solid part of the mold and are usually made of high -quality steel. They are also known as knockout pins, knock-out pins or KO pins. The pins could leave the marks behind, so they are usually used only when the parts have cooled sufficiently to prevent distortion of parts. The ejector pins are available in different sizes and shapes such as round, beveled, straight and cylindrical. They can be adapted and accurate and accurate to suit the application. Important factors for humans that can be considered when choosing pins of ejectors are resistance to corrosion, durability, tolerance and tensile strength. There are three different types of bumper pins. Each type has specific properties and are used in different environments. The most important factor that these pins viralIt is the temperature at which it can be used because it affects their durability and life expectancy. Pins made for low temperature environment deteriorate rapidly when used in a high -temperature environment.
through hard pins are good versatile pegs that are heat treated to be uniformly hard during their diameter. They are usually used to form plastic. They are made of steel and can be used in forming environments below 400 degrees Fahrenheit (about 200 degrees Celsius).
Pins are nitride H13 pins that are suitable for castings. They can be used at temperatures above 400 degrees Fahrenheita (about 200 degrees SESSIA) and are quite durable. They are hard pins that can be drilled or tapped. They easily chip when they compare through hard pins, but have a greater life expectancy, even at high temperatures.
BLACK Ejector Pins are special pins that have been developed for an extremely high -temperature working environment. They can be used at temperatures from about 1,100-1 800 degrees Fahrenheit (about 600-1,000 degrees Celsius). These ejection pins have a unique protective surface coating that allows them to use at such extreme temperatures and provide self -tapping. They are more expensive and commonly used in forming car injection.
Ejector pins can be improved by a coating that protects them and makes them more durable. The coating reduces friction so that the pins survive wear and the formed part has become more reliable. It also makes the ejectal pins chemically inert and more stable and can be used on the treated pins.