Don’t make mistakes when purchasing a crusher! 5 key parameters that are often overlooked (with selection tips)

Shengbang machinery is a large-scale modern mining machinery manufacturer integrating the production of stone crushing equipment.
We have various types of crushers: hammer crusher, jaw crusher, impact crusher, cone crusher, crawler crusher, etc., fixed and mobile, and can be operated by diesel or electric motor.
Today I will share with you 5 key parameters that are often overlooked when building a stone crushing line (with selection tips)
As a key equipment for material pretreatment, the selection of crusher directly affects production efficiency and cost. However, 90% of buyers often only focus on the price of equipment when selecting, but ignore 5 core parameters, which leads to frequent problems in subsequent use. Today, we will deeply analyze the 5 major parameters of crushing ratio, processing capacity, motor power, crushing chamber type, and equipment speed to help you avoid the minefield of selection!

1. Crushing ratio: the core indicator that determines the crushing effect
The crushing ratio refers to the ratio of the feed particle size of the crusher to the discharge particle size, which directly reflects the degree of material crushing. For example, if the maximum feed particle size of a crusher is 100mm and the discharge particle size can reach 10mm, then its crushing ratio is 10. Different production scenarios have different requirements for crushing ratio. For example, mining requires a larger crushing ratio to crush large pieces of ore into smaller particles; while in the building materials industry, the requirements for crushing ratio are relatively flexible.

Buyers often fall into the misunderstanding that the larger the crushing ratio, the better. In fact, a crushing ratio that is too large may cause increased equipment wear, increased energy consumption, and even affect the service life of the equipment. Therefore, according to actual production needs, a reasonable crushing ratio should be selected to ensure that the equipment can meet the crushing effect and reduce operating costs.

2. Processing capacity: the key to production efficiency
Processing capacity refers to the weight or volume of materials that the crusher can handle per unit time. It is directly related to the production scale. Insufficient processing capacity will lead to low production efficiency and failure to meet order requirements; excessive processing capacity will cause equipment to be idle and increase procurement costs.

There are many factors that affect processing capacity. In addition to the design parameters of the equipment itself, the properties of the material (such as hardness, humidity, viscosity, etc.) will also have an important impact on it. For example, when processing materials with high humidity, the actual processing capacity of the crusher may drop significantly. Therefore, when selecting, it is necessary to clarify the material characteristics to the supplier and obtain more accurate processing capacity data to avoid production bottlenecks due to misjudgment.

3. Motor power: power guarantee for equipment operation
Motor power is the core of driving the crusher. It is directly related to whether the equipment can operate stably and the energy consumption. Generally speaking, the larger the processing capacity and the higher the crushing ratio of the crusher, the greater the motor power required. However, the larger the motor power, the better. Excessive power will not only increase the purchase cost, but also cause energy waste; too small power will not drive the equipment to operate normally, and may even burn the motor.

When selecting the motor power, factors such as the hardness of the crushed material, the feed particle size, the crushing ratio, and the working efficiency of the equipment should be considered comprehensively. At the same time, it is recommended to choose a motor with reliable quality and high energy efficiency rating, which can not only ensure the stable operation of the equipment, but also reduce the long-term electricity cost.

4. Crushing chamber type: a hidden factor affecting the crushing quality
The crushing chamber is the working area where the crusher directly crushes the material. Its shape and structural design have a vital impact on the crushing effect. Different crushing chamber types are suitable for materials of different properties and crushing processes. For example, a symmetrical “V”-shaped crushing chamber can effectively improve the crushing efficiency and crushing quality of the material; while a crushing chamber with a special tooth design is more suitable for handling materials with higher hardness and can enhance the crushing capacity.

Many buyers often ignore the differences in crushing chamber types when selecting models. In fact, an inappropriate crushing cavity may lead to uneven material crushing, serious over-crushing, and increase the subsequent screening cost. Therefore, understanding the characteristics and applicable scope of different crushing cavities and selecting the appropriate crushing cavity according to material characteristics and production requirements is the key to ensuring crushing quality.

5. Equipment speed: the key variable to balance efficiency and wear
The equipment speed determines the working efficiency and crushing effect of the crusher. Within a certain range, increasing the speed can increase the crushing frequency of the material, thereby improving the processing capacity and crushing ratio. However, too high a speed can also bring negative effects, such as aggravating the wear of equipment components and shortening the service life of the equipment. At the same time, it may also generate large noise and vibration, affecting the working environment.

When selecting, you cannot simply pursue high speed, but must comprehensively consider the material characteristics, crushing cavity type and the overall design of the equipment. For materials with higher hardness, appropriately reducing the speed can reduce equipment wear; for softer materials, the speed can be appropriately increased to improve production efficiency.

The above fully analyzes the key parameters for crusher selection. Only by deeply understanding the specific parameters and combining your own production needs can you choose the most suitable crusher, avoid falling into the selection misunderstanding, and maximize production benefits. If you have any questions during the crusher selection process, please feel free to contact Shegnbang machinery, and our professional team will provide you with one-to-one selection guidance!