راهنمای تجهیزات معدنی: What Equipment Should You Use for Medium-Hard Material Crushing in Stone Factories, Cement Plants and Mines? A Complete Guide to Heavy Hammer Crushers

The heavy hammer crusher is a PC series hammer crusher developed based on over twenty years of stone production experience, integrating the advantages of similar crushers. It features high output, low energy consumption, simple structure, and easy maintenance. This equipment is suitable for crushing medium-hard brittle materials such as limestone and coal, with a maximum compressive strength of the crushed materials not exceeding 150 kg/cm². It is mainly used in highways, railway stone, cement, mining, coal preparation, power generation, chemical, and building material industries, especially suitable for stone plants with a production capacity of less than 300 cubic meters per hour. It has characteristics of compact structure, reasonable process design, low investment, and high economic efficiency. Why choose the heavy hammer crusher? First, high output: processing capacity ranges from 100-1200 t/h, meeting the demands of large-scale stone crushing; second, low energy consumption: compared with similar crushing equipment, the unit output energy consumption is lower, and operating costs are more favorable; third, simple structure: the equipment has a compact structure, reasonable process, low investment, and high economic efficiency; fourth, easy maintenance: replacement of wear parts is simple and quick, reducing downtime; fifth, wide application range: widely used in cement, mining, coal preparation, power generation, chemical, and building material industries, suitable for crushing medium-hard materials such as limestone. The heavy hammer crusher is mainly used for crushing limestone and clinker in cement plants, medium-hard ores in mines, coal and gangue in coal preparation plants, fuel preparation in power plants, raw material crushing in chemical plants, aggregate production in building material plants, and pretreatment in artificial sand production lines. Potential users of heavy hammer crushers include stone and aggregate producers, equipment procurement and operation departments of cement plants, mining enterprises, equipment procurement departments of coal preparation plants and power plants, equipment maintenance departments of chemical and building material companies, EPC contractors for crushing production lines, equipment distributors and stockists, and procurement parties for overseas infrastructure and mining projects. When should a heavy hammer crusher be selected or replaced? When large-scale crushing of medium-hard materials is needed with high output and low energy consumption; when old crushing equipment is severely worn, processing capacity is insufficient, or product size does not meet standards; when a new stone production line or cement production line requires coarse or medium-fine crushing equipment; when simple structure and convenient maintenance equipment is needed to reduce downtime; when export projects require heavy hammer crushers compatible with overseas voltage and high-efficiency crushing conditions. How to choose a heavy hammer crusher? Step 1: Determine the material properties. Heavy hammer crushers are suitable for medium-hard brittle materials such as limestone and coal, with a maximum compressive strength not exceeding 150 kg/cm². Step 2: Determine the feed size. Choose the model corresponding to feed size ≤600-≤1200 mm according to the material particle size. Step 3: Determine the processing capacity. Select the model within the 100-1200 t/h range based on the production line capacity requirement. Step 4: Determine the motor power. Choose a dual motor configuration of 132-450×2 kW according to the processing capacity and material hardness. Step 5: Determine the rotor diameter × length. Select a rotor from 1310×790 to 1800×1964 mm based on the feed size and processing capacity. Step 6: Determine the installation foundation. It should be installed on a solid concrete foundation and fixed with anchor bolts. Step 7: Determine the material of wear parts. Choose high-chromium cast iron or high-manganese steel hammers and liners based on material abrasiveness. Step 8: Determine environmental protection and automation configuration. A dust removal system and central control system can be equipped.

Heavy Hammer Crusher Model and Parameter Table

Model	Rotor Diameter × Length (mm)	Feed Opening Size (mm)	Feed Size (mm)	Processing Capacity (t/h)	Motor Power (kW)
PCZ1308	1310×790	850×800	≤600	100-160	132
PCZ1510	1500×900	1000×900	≤700	160-210	132×2
PCZ1512	1500×1160	1200×900	≤750	250-320	160×2
PCZ1615	1650×1452	1500×1200	≤1000	360-420	200×2
PCZ1620	1660×1900	2000×1200	≤1200	800-1000	316×2
PCZ1820	1800×1964	2000×1200	≤1200	1000-1200	450×2

General Technical Parameter Table

Parameter	Specification
Type	Heavy Hammer Crusher (PC Series Hammer Crusher)
Rotor Diameter × Length	1310×790–1800×1964mm
Feed Opening Size	850×800–2000×1200mm
Feed Size	≤600–≤1200mm
Processing Capacity	100–1200t/h
Motor Power	132–450×2kW
Maximum Compressive Strength	≤150kg/cm²
Applicable Materials	Medium-hard brittle materials such as limestone and coal
Core Advantages	High output, low energy consumption, simple structure, easy maintenance
Application Industries	Cement, mining, coal preparation, power generation, chemical, and building materials

Dimension drawing and key dimensions: `[Image: /images/heavy-hammer-crusher-dimension-drawing.webp]`

Material Table

Component	Standard Material	Optional Material	Description
Frame/Casing	High-strength carbon steel/cast steel	Wear-resistant steel plate	Bears crushing reaction force, requires high rigidity
Hammer/Blade Hammer	High-chrome cast iron	High-manganese steel, alloy steel	Core wear part, highly wear-resistant
Liner	High-manganese steel (ZGMn13)	High-chrome cast iron	Protects the crushing chamber, extends service life
Main Shaft/Rotor	40Cr/42CrMo forgings	Alloy steel	Quenched and tempered, withstands high-speed rotational torque
Bearing	Spherical roller bearing	Double-row cylindrical roller bearing	Withstands heavy load and impact
Motor	Full copper coil motor	Explosion-proof motor	Standard three-phase asynchronous motor
Control Cabinet	Carbon steel/Stainless steel	Rainproof and dustproof type	Optional variable frequency speed regulation

Installation Method: The hammer crusher must be installed on a solid concrete foundation, which needs to bear the weight of the equipment and the enormous impact load during crushing operations; during installation, it is necessary to ensure the foundation's level meets the requirements, and anchor bolts must be tightened according to torque specifications; after the equipment is in place, adjust the level to ensure the main shaft is parallel to the motor shaft; the motor and crusher are connected via a V-belt or direct drive, and the belt tension or alignment accuracy must be adjusted to ensure smooth transmission; after installation, a no-load trial run should be carried out to check whether the rotor rotates smoothly, whether there is abnormal vibration or noise, and ensure the gap between the hammer and the liner is even; during load trial operation, gradually increase the feeding amount, observe the crushing effect and motor current, and ensure that it does not exceed the rated current; a dust removal system is required to reduce dust pollution; a central control system may be equipped for online monitoring and automatic control.

Application Scenario Table

Industry	Application	Recommended Configuration	Key Requirements
Cement Industry	Limestone, clinker crushing	PCZ1308–PCZ1620	High output, low energy consumption, stable operation
Mining Industry	Medium-hard ore crushing	PCZ1510–PCZ1820	Wear-resistant, large processing capacity
Coal Preparation Plant	Coal block, gangue crushing	PCZ1308–PCZ1620	Adjustable discharge size, non-clogging
Power Plant	Fuel preparation	PCZ1308–PCZ1615	Large processing capacity, stable operation
Chemical Industry	Raw material crushing	PCZ1308–PCZ1512	Controllable discharge size, pollution prevention
Construction Materials Industry	Aggregate production	PCZ1512–PCZ1820	High output, reasonable grading
Stone Quarry	Stone crushing below 300 tons per hour	PCZ1308–PCZ1512	Compact structure, low investment, high economic benefit
Artificial Sand Making	Pre-processing before sand making	PCZ1510–PCZ1620	Controllable discharge size, good particle shape

Note: The heavy hammer crusher is suitable for medium hardness and brittle materials such as limestone and coal, with a maximum compressive strength not exceeding 150 kg/cm². The feed size is ≤600-≤1200mm, processing capacity is 100-1200 t/h, and motor power is 132-450×2 kW. In explosive environments, an explosion-proof motor should be selected. For highly abrasive materials, it is recommended to use high-chromium cast iron or alloy steel hammers and liners.

Selection Considerations (Compared with Jaw Crusher, Impact Crusher, Roll Crusher): The core differences between the heavy hammer crusher and jaw crusher, impact crusher, and roll crusher lie inthe applicable material hardness and crushing stage.Jaw crushers use the principle of compressive crushing, suitable for materials of various hardness, mainly for coarse and medium crushing; impact crushers use the principle of impact crushing, suitable for medium-hard materials, mainly for medium-fine crushing and shaping; roll crushers crush materials through two opposing rotating rolls by extrusion and grinding, suitable for brittle and tough materials, with adjustable discharge size; heavy hammer crushers crush materials through the impact of high-speed rotating hammers, suitable for medium-hard materials, with high output, low energy consumption, simple structure, and convenient maintenance, feed size ≤600-≤1200mm, processing capacity 100-1200 t/h. For material crushing of large-scale medium-hard materials with requirements for high output and low energy consumption, the heavy hammer crusher is preferred; for coarse crushing in small to medium stone plants, the box crusher is preferred; for fine crushing of brittle/tough materials with adjustable discharge requirements, the roll crusher is preferred.

## Technical FAQ

1. What is a heavy hammer crusher?

The heavy hammer crusher is a PC series hammer crusher developed based on over twenty years of stone production experience, combining the advantages of similar crushers. It features high output, low energy consumption, simple structure, and easy maintenance.

2. What is the working principle of a heavy hammer crusher?

During operation, the motor drives the rotor to rotate at high speed. When the material enters the crushing chamber, it is crushed by the impact of the high-speed rotating hammers. The material undergoes impact, collision, and grinding within the crushing chamber, and the crushed material is discharged from the outlet.

3. What is the processing capacity of a heavy hammer crusher?

The processing capacity is 100-1200 t/h, depending on the model. PCZ1308 has 100-160 t/h, and PCZ1820 has 1000-1200 t/h.

4. What is the maximum feed size of the heavy hammer crusher?

Feed size ≤600–≤1200mm, depending on the model. PCZ1308 is ≤600mm, PCZ1620 and PCZ1820 are ≤1200mm.

5. What is the motor power of the heavy hammer crusher?

Motor power is 132–450×2 kW, depending on the model. PCZ1308 is 132 kW, PCZ1820 is 450×2 kW.

6. What materials is the heavy hammer crusher suitable for?

Suitable for medium-hard brittle materials such as limestone and coal. The maximum compressive strength of the material to be crushed does not exceed 150 kg/cm².

7. What are the main features of the heavy hammer crusher?

Features high output, low energy consumption, simple structure, and easy maintenance. Suitable for stone plants with a daily output of less than 300 cubic meters, compact structure, reasonable process, low investment, and high economic benefits.

8. Which industries mainly use the heavy hammer crusher?

Widely used in highways, railway materials, cement, mining, coal preparation, power generation, chemical industry, and building materials industries.

9. What are the wear parts of the heavy hammer crusher?

Hammer, lining plate, rotor, etc., among which the hammer is the core wear part. It is recommended to use high-chrome cast iron or high-manganese steel.

10. Does the heavy hammer crusher need a foundation?

Yes. It must be installed on a solid concrete foundation, which must bear the weight of the equipment and the huge impact load during crushing, and fixed with anchor bolts.

11. What are the common faults of the heavy hammer crusher?

Hammer wear (due to strong material abrasiveness), bearing overheating (poor lubrication or overload), belt slack or breakage (insufficient tension), abnormal vibration (unbalanced rotor or foreign object blockage), and discharge port blockage (uneven feeding or too small discharge port).

12. Can the heavy hammer crusher be used in the cement industry?

Yes. Suitable for crushing limestone and clinker in cement plants, with high output, low energy consumption, and stable operation.

13. Can the heavy hammer crusher be used in coal preparation plants?

Yes, suitable for crushing coal chunks and coal gangue in coal preparation plants, with adjustable discharge size and non-clogging.

14. What is the difference between a heavy hammer crusher and a hammer crusher?

The heavy hammer crusher is developed on the basis of over twenty years of stone production experience, integrating the advantages of similar crushers. It features high output, low energy consumption, simple structure, and easy maintenance, suitable for large-scale medium-hard material crushing; the ordinary hammer crusher has a relatively simple structure and relatively small processing capacity.

15. What is the difference between a heavy hammer crusher and a double-roll crusher?

The heavy hammer crusher breaks materials by hammering them at high speed, suitable for medium-hard materials, with high output and low energy consumption; the double-roll crusher crushes materials by pressing and grinding them between two oppositely rotating rollers, suitable for brittle and tough materials, with adjustable discharge size.

16. Can a heavy hammer crusher be customized?

It can be customized in motor power, hammer material (high-chrome cast iron/high manganese steel/alloy steel), motor configuration (explosion-proof motor), dust removal system, central control system, and variable frequency speed control.

17. What is the crushing ratio of a heavy hammer crusher?

The heavy hammer crusher has a large crushing ratio, capable of crushing materials from ≤600-≤1200mm to smaller particle sizes. The specific crushing ratio depends on the material hardness and the adjustment range of the discharge port.

18. Does the heavy hammer crusher comply with RoHS and REACH?

Standard equipment complies with RoHS and REACH regulations and does not contain SVHC high-concern substances. Specific details should be based on the product test report.

19. How to maintain and service a heavy hammer crusher?

Regularly check hammer wear and replace or adjust in time; regularly check liner wear; regularly check bearing lubrication, replenish or replace grease; regularly check belt tension; regularly check whether foundation bolts and connecting bolts are loose; regularly clean accumulated material and foreign objects in the crushing chamber.

20. How to choose the model of a heavy hammer crusher?

Determine suitability based on the properties of the material, select the model corresponding to ≤600-≤1200mm based on the feed particle size, choose the model within the 100-1200t/h range according to the production line capacity requirements, select a motor of 132-450×2kW based on processing capacity, and choose a rotor of 1310×790 to 1800×1964mm based on feed size and processing capacity.

Technical FAQ

What data should I send for a crusher quotation?

Provide material type, maximum feed size, capacity, required product size, moisture, working hours and the upstream and downstream equipment.

How do I compare two crusher models?

Compare the same duty point: capacity, feed opening, discharge range, motor power, wear-part life, maintenance access and total operating cost.

Authoritative references

For standards and safety context, see ISO standards and the U.S. Mine Safety and Health Administration. Confirm the exact local requirements for your project.

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