Hammer crusher

hammer crusher design

Hammer crusher for fine and medium crushing are designed with reverse operation of the rotor and hammers. The design of the inlet chamber, rotor with staggered hammers and smooth grate surface have a favorable influence on the crusher capacity. The design of the crusher housing (its tipping part) allows simple and quick access to important parts of the crusher for maintenance. Impact plates can be rearranged either in a closed path or in an open path. The machine can be supplied with a common base frame for the crusher and drive which shortens the installation time of the crusher. The frame can be supplied with a flexible seating to reduce the dynamic forces on the foundations.

Hammer crusher Application

The Hammer Crusher is applicable to crush various kinds of fragile minerals such as coal, gypsum, alum and tiles as well as limestone, whose compressive strength is no more than 100MPa and moisture content no higher than 5 ％.

Hammer crusher Working Principle

The hammer crusher can be divided into two kinds: the reversible and unreversible. And the motor of the reversible hammer crusher can be reversible, which can be used for fine crushing while the unreversible hammer crusher can not be reversible, which can be used for medium crushing. The motor drives the rotors to rotate quickly in the crushing cavity. Raw materials enter the crusher through the feed opening and are crushed to small sizes by the high-speed hammer, with the process of pressing, impacting, cutting and grinding. There is a screening plate under the rotor, which make sure the materials with size smaller than the screen mesh will be screened out and others will be left to be further hammered and ground until they fulfill the standard size. The size of the final products can be adjusted by changing the screening plate. The gap between the rotors and the screening plate can also be adjusted according to different requirements.

Technical Features of Hammer crusher

1. Side liners - modular design, available in optional grades and easy to install.

2. Hammers available in a range of materials to suit specific applications. Modular concept means minimal on site stock holding over complete range.

3. High inertia rotor with heavy duty backing bars and unique wedge lock system allowing vertical removal of hammers.

4. Individual curtain adjustment (hydraulic) with easy locking.

5. First curtain liner with modular concept heavy duty liners. All curtain liners are interchangeable.

6. Second curtain liner separately adjustable for accurate product sizing.

7. Third curtain adjustment, easy access and adjustment.

8. Third (optional) curtain liner, ideal for finer product sizing and most recycling operations.

9. Chrome alloy shaft supported by double row bearings, grease lubrication in pedestal housing. 10. Heavy duty steel fabrication for integral strength. Easy opening hood with maximum opening for accessible maintenance

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