This trial version can use only a part of item.
You will learn about the names and functions of major parts used in a mold in this chapter.
You will learn about the names and functions of major parts
used for an ejection system.
A push back pin and a coil spring are used for regular molds, whereas a push back pin and a gas spring are sometimes used for large size molds.
This figure illustrates an example of a large mold.