This machine is made up of top chute, feed unit, beater unit, grid bar adjusting unit, frame unit. It is used to gether with condenser in scutching process and its beaten running at certain speed, exclude trash through mutual function of centrifugal force and grid bar. Fully opened and cleaned material are sent ilext process and trash separated are sent to dust filtering system.

This machine is one of suctching and blowing machinery whose function is for further opening and cleaning to cotton or chemical fiber being primary opened.