Plastic crusher blades, also known as plastic machine blades, are available in a wide range of varieties with good sharpness. Mainly used in plastics, rubber industry and other industries of crushing, as with other blades, it needs accurate geometric dimensional tolerances, in order to ensure good assembly quality with the machine. It needs to be suitable for the different needs of users, crushing different objects of the choice of chemical composition of the blade material. It needs a suitable blade angle to maintain the sharpness of the blade, but also to make the blade strong and not chipped in use. It needs to carry out a good heat treatment process, in order to achieve the blade's suitable hardness and very small internal stress, plastic crusher blade in the use of the process is not deformed.