including the type, material, operating conditions, and maintenance status of the screen changer. Below is an analysis of the service life of plastic recycling screen changers: I. Type and Material of Screen Changer Type: Screen changers can be classified by structure into plate-type, column-type, belt-type, etc., and by function into continuous (non-interruptive screen change during production) and non-continuous (production interruption during screen change). Different types of screen changers