Hammer crusher crushes material by hitting and screens discharge material with bottom sieve. And the unqualified material will be screened again for demanded material size. So, in using hammer crusher, hammerhead and sieve should be adjusted reasonably for production demand.

      Larger space between hammerhead and sieve is suitable for coarse production; narrow hammerhead and sieve space is suitable for fine production. In production, improper gap will have a bad impact on production. In coarse production, too small gap between crusher and sieve will do harm to machine or even have the clogging condition.

     In fine production, suitable aperture of sieve but large gap between hammerhead and sieve will have clogging condition or even break electric motor. But, larger aperture and small gap will cause machine and material waste. So, in actual production, hammer crusher should be adjusted with production demand and ensure machine have a high and efficient production.

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