Jaw Crusher VS Hammer Crusher


It is broken with a hammer alone, the configuration is simple, the process is short, but it may also be costly and the quality of the aggregate is unqualified.

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  • Jaw Crusher VS Hammer Crusher
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Jaw Crusher VS Hammer Crusher

It is broken with a hammer alone, the configuration is simple, the process is short, but it may also be costly and the quality of the aggregate is unqualified. When to break with a jaw and when to break with a hammer, you must first understand the differences in these areas!

1.The appearance and working principle are different

Friends who understand these two types of equipment can be distinguished from the appearance, and the working principle is also very different. The working mode of the jaw crusher is curved extrusion, and the material is squeezed in the crushing cavity composed of the movable jaw and the fixed jaw. Pressure crushing; Hammer crusher is mainly crushed by the impact, shear, tear of the rotating hammer head, the collision between materials and the counterattack of the liner

2. Different crushed materials

Jaw crusher can crush various soft and hard materials with compressive strength between 300-350Mpa, such as: granite, quartz stone, diabase, river pebble, iron ore, etc.

Hammer crusher is mainly used to crush ore with low hardness. The compressive strength is generally lower than 200Mpa, such as: limestone, bluestone, coal gangue, etc. When crushing hard materials, the hammer head is severely worn. It may take thousands of dollars to change a set of hammer heads, and ordinary high manganese steel hammer heads need to be replaced in 2 or 3 days, which is too costly.

3.Different material adjustment methods

The hammer crusher adjusts the discharge granularity by replacing the bottom sieve plate. There are many adjustment methods for the jaw crusher, including pad adjustment, wedge adjustment, and hydraulic cylinder.

4.Different production line configurations

Generally speaking, the jaw crusher has a higher needle content in the discharge, which needs to be matched with the impact crusher for shaping, so we often see the configuration of the jaw crusher + impact crusher.

Hammer crusher is mainly used in industrial secondary crusher. It can be formed in one stage without secondary crushing and shaping process. Therefore, hammer hammer crusher is often used in small and medium-sized production lines.

5.Different applications of gravel aggregate line

Hammer crushers are rarely used in sand and stone aggregate production lines. Although the process is simple, the yield is low, it is easy to crush, there are many powders, and the finished aggregates may have micro-cracks, low compressive strength, and affect the aggregate. Quality also affects sales and prices, so it is often used as auxiliary sand making equipment.

Jaw crusher is often used as rough crushing equipment for aggregate production line, followed by reverse impact crusher or cone crusher, etc., followed by sand making machine (shaping machine) for shaping.

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