Crushing

Crushers

HERZOG offers a wide range of crushers- machines that are especially built for coarse crushing and pre-crushing of sample material.

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HERZOG expertise in crushers

Herzog crushers are designed for the coarse crushing and pre-crushing of sample material. The analytical fineness required for a subsequent spectroscopic examination is normally achieved with the aid of a disk vibration mill.

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Crushing

Herzog jaw crushers are designed as jaw crushers equipped with one movable and one fixed breaking jaw. This involves pressing the material to be crushed through the moving jaw and against the fixed jaw and crushing it through the application of pressure and impacts. The moving jaw is moved by an eccentric shaft and is thereby forced into an elliptical movement pattern that crushes the material and moves it downwards. If the grain size is smaller than the width of the bottom gap, the crushed material drops into the collecting container. Using no-rebound funnels prevents material from escaping out of the crushing chamber. IN some automatic machines we also integrate double rocker crushers.
Depending on the material being crushed, the jaw crushers can be supplied with crushing jaws made of different materials. One characteristic of jaws made of manganese steel is that they harden further over time with increased use. Stainless steel is recommended when the formation of rust can be expected due to feed material. Tungsten carbide jaws are particularly hard resistant to wear. Their service life is long even when used on hard materials.


With the cone crusher, the crushing occurs in the gap between the crusher jacket and the crusher cone. This gap opens and closes circumferentially as a result of the eccentric tumbling motion of the crusher cone. The advantage of the cone crusher is that the material is crushed continuously by pressure and friction. There is no alternating working stroke and no-load stroke as occurs with the jaw crusher.

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