The choice of "stone to stone" and "stone to iron" crushing modes in the quartz sand making machine is crucial to the efficiency and product quality of the production line. The following will discuss in detail how to choose these two crushing modes.

First of all, we need to understand the characteristics and application scope of the two crushing modes.

For the "stone-hit-stone" crushing mode, it is suitable for materials with medium hardness or above and large abrasiveness, such as quartz, granite and so on. This crushing method crushes through mutual collision and friction between materials, without direct contact with the metal components of the equipment, so it can reduce iron consumption and maintenance costs. In addition, the granularity of the finished product is better with the "stone-hit-stone" crushing method, but the powder content is slightly higher.

As for the "stone to iron" crushing method, it is suitable for materials with less abrasive properties below medium hardness, such as limestone and dolomite. The crushing efficiency of this crushing method is higher than that of "stone hitting stone" because the material is crushed by the collision with the peripheral guard. However, because the material is in direct contact with the peripheral guard, the wear cost of the peripheral guard is relatively high and the finished product is slightly poorer in shape.

When selecting a crushing mode, the following factors need to be considered:

Material characteristics: The first consideration is the hardness and abrasiveness of the quartz sand to be crushed. If the material is hard and abrasive, then "stone to stone" crushing mode is more suitable; if the material is less hard and abrasive, then "stone to iron" crushing mode is more suitable.

Output requirement: Different crushing methods have different crushing efficiency, so choose the suitable crushing method according to the required output. If the production line needs high output, then the "stone to iron" crushing method can be considered because of its relatively high crushing efficiency.

Product requirements: The crushing method is selected according to the requirements of the crushed quartz sand product. If a good particle size and a small amount of powder is required, then the "Stone to Stone" crushing method is more suitable; if the particle size is not so strict and a certain amount of powder can be tolerated, then the "Stone to Iron" crushing method is also feasible.

In addition, the wear-resistant parts of the equipment should also be considered. For the "stone to stone" crushing method, the main wear parts are the striking guard, while for the "stone to iron" crushing method, the main wear parts are the perimeter guard and the anvil. Based on the wear of the wear parts, the cost of maintenance and replacement of wear parts can be evaluated.

In summary, when selecting the crushing mode, the material characteristics, output requirements, product requirements and wear parts of the equipment should be taken into consideration. Depending on the situation, the crushing mode can be flexibly switched to improve the efficiency of the production line and to produce high quality machine-made sand that meets the sand standard and achieves the alternative use of natural sand. In order to make the best choice, a detailed discussion and consultation with the crusher manufacturer or professional is recommended.

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