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How Does a Jaw Crusher Work

The jaw crusher is the core primary crushing equipment in mines, quarries, and construction sites around the world, processing various materials such as granite and recycled concrete into manageable aggregate. So how does it transform boulders into usable crushed stone?

This article will explain its operating mechanism and present the whole working process of material from entry to discharge.

sandreck's jaw crusher machine

Jaw Crushers Components:

  • Fixed Jaw: The fixed jaw is a non-movable surface retained by the frame of a machine.
  • Moving Jaw: The moving jaw is attached to an eccentric shaft that swings in an elliptical motion.
  • Eccentric Shaft: The rotating motor takes the eccentric shaft and turns it into the force that creates the movable jaw crushing materials.
  • Toggle Plate: The toggle plate connects the moving jaw to the frame of a machine, guides the arc of the moving jaw, transmits crushing force, and also keeps the machinery running.
  • Flywheel: When crushing, the flywheel stores energy so that after crushing. There is enough mass to continue to perform the crushing cycle in a high-inertia crushing arrangement.

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Jaw Crusher Machine Working Process

  1. Feeding: The raw material enters the top of the V-shaped crushing chamber.
  2. Crushing: The movable jaw pushes against the fixed jaw, clamping the material. The strong pressure breaks the rock through compression and inter-particle crushing (rocks crush other rocks). The optimal bite angle ensures effective grip.
  3. Releasing: The movable jaw retreats, allowing the crushed material to fall.
  4. Discharging: Particles smaller than the discharge opening (adjusted by the closed edge setting) are discharged from the bottom. The cycle is repeated for larger particles.

Sandreck jaw crusher plant

Why Choose Sandreck Jaw Crushers?

  • Simplicity & Durability: Minimal moving parts mean lower maintenance.
  • Hard Rock Mastery: Excels at crushing abrasive granite, basalt, and ore.
  • Cost Efficiency: Low operational expenses per ton processed.
  • Versatility: Handles diverse materials – from quarry rock to demolition debris.

Sandreck is a famous jaw crusher manufacturer in China. We provide high-quality jaw stone crusher equipment and one-stop ore mining solutions. If you want to know more information, contact us!

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