... , medium and small quarry use.Characteristics1.Reduction ratio: feed size 450-550mm, the particle size 0-55mm, 20-40mm of which over 60 ... % Reduction ratio: feed size 450-550mm, the particle size 0-55mm, 20-40mm of which over 60%.2 ... sieve, so the output feeding amount big and wear a particle size hammer through addition and subtraction, or replacement of sieve to ...