Design and Fabriion of Crusher Machine for Plastic Wastes 57 a. Problem Identifiion The existing crushers are heavy ones and these crushers are excessively used for crushing materials at big industries and manufacturing plants for crushing cars, stones, metal components etc.,
Other crushers commonly used are jaw crushers, roll crushers, disc crushers, cone crushers and hammer crushers. (a) Pick breaker—designed to imitate the action of miners' picks. Strong pick blades are mounted rigidly on a solid steel frame moving slowly up and down. Coal passes under the picks on a slowly moving horizontal plate conveyor belt.