jaw crusher necessary

Jaw crusher Compound pendulum jaw crusher. The structure of compound pendulum jaw crusher (Figure 4) and the simple pendulum is similar, but reduced after the thrust plate and the connecting rod, the movable jaw shaft mechanism, more simple. Eriez Lab Equipment Lab equipment includes Jaw crushers, Hammer mills, Pulverizers, Rolls crushers, Ball/Rod mills, Lump breakers/Finger crushers, Test Sieves and Sieve shakers, Drum/Tumble mixers, Cone/V-blenders, Filter presses, SG/ Pulp density scales, Davis tube testers, magnetic separators, flotation equipment, vibratory feeders and mini pilot . if i wanted to build a jaw crusher... Nov 02, 2008 · Re: if i wanted to build a jaw crusher... You are partially right: the bigger the machine gets, the less need for a jackhammer to reduce the debris untill they fit into the breakers mouth.. However, when the breaker is built to efficiently use twice the power, it weighs 4 times as much, it seems.    Read More