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What You Need to Know About Sand Making Machines

Recently, machine-made sand has become one of the hottest investment projects. More and more gravel factories, cement and concrete companies are entering the aggregate industry. But before entering the industry, you need to know some knowledge about the sand making machine.

sand making machine parts
parts of sand making machine

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  • Why do some sand making machines have single motors and some have dual motors?

This issue needs to be treated relatively. Firstly, the single-motor-driven sand making machine and the dual-motor-driven sand making machine are different types of sand making machines. In terms of type, the single-motor drive is usually a vertical sand making machine and a counterattack sand making machine. The dual-motor drive refers to the impact type sand making machine, which is widely used in the current market. The design principle and design structure of the impact sand making machine determines that it can be driven by dual motors, which has higher kinetic energy. Therefore, it has a better effect in crushing hard materials.

sand maker machine
DASWELL sand maker machine
sand making equipment
Daswell sand making equipment

Model VSI-7611 VSI-8518 VSI-9526 VSI-1140
Capacity (t/h) Cascade and center feeding 120-180 200-260 300-380 450-520
Center feeding 60-90 100-130 150-190 225-260
Feeder Opening size (mm) Soft material ≤35 ≤40 ≤45 ≤50
Hard material ≤30 ≤35 ≤40 ≤45
Rotation speed (r/min) 1700-1890 1520-1690 1360-1510 1180-1310
Power of double motors (kw) 110-150 180-220 264-320 400-440
Overall dimension (mm) 3700×2150×2100 4140×2280×2425 4560×2447×2778 5000×2700×3300

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  • The impact sand making machine has two crushing methods: “stone-on-stone” and “stone-on-iron”. How to choose in production?

The choice of crushing method depends on the nature of the material and the purpose of sand making. “Stone-on-Stone” is suitable for medium-hard and above abrasive materials, such as basalt, quartz, granite, etc. In addition, the finished product has a better grain shape under this work situation, with a little more powder content. “stone-on-iron” is suitable for materials with low abrasiveness below medium hardness, such as limestone, dolomite, etc. In the case of “stone-on-iron” work, the crushing efficiency is higher. And the wear cost of the peripheral guard plate is higher, the finished grain shape is slightly worse. In addition, ” stone-on-stone ” is suitable for shaping, and ” stone-on-iron ” is suitable for sand making, and the output is relatively small.

VSI crusher
VSI crusher machine
VSI crushing machine in the daswell factory
VSI crushing machine in the factory

Model VSI-7611 VSI-8518 VSI-9526 VSI-1140
Capacity (t/h) Cascade and center feeding 120-180 200-260 300-380 450-520
Center feeding 60-90 100-130 150-190 225-260
Feeder Opening size (mm) Soft material ≤35 ≤40 ≤45 ≤50
Hard material ≤30 ≤35 ≤40 ≤45
Rotation speed (r/min) 1700-1890 1520-1690 1360-1510 1180-1310
Power of double motors (kw) 110-150 180-220 264-320 400-440
Overall dimension (mm) 3700×2150×2100 4140×2280×2425 4560×2447×2778 5000×2700×3300

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  • What are the reasons for the blockage of the sand making machine?

In simple terms, the main reasons for the material blocking of the sand making machine are: ①The material has a large water content; ②The material is too hard or the particle size is too large; ③The feeding speed is too fast; ④The V-belt tightness is not appropriate, and the crushing force is insufficient; ⑤Discharging speed is too slow; ⑥Production line equipment coordination problem; ⑦Improper manual operation; ⑧Equipment’s own problems.

  • What factors will affect the sand production rate of the sand making machine?

There are mainly the following aspects: ①The characteristics of the crushed materials (material hardness, strength, humidity, viscosity, composition, etc.); ②The fineness requirements of the finished sand; ③The size of the feeding amount (generally the greater the efficiency of the feeding amount) The higher is, but there are extreme points); ④Is the operation standard and regular maintenance; ⑤The speed of the impeller (generally, the higher the speed, the better the crushing efficiency); ⑥Scheme design of the sand production line.

sand making machine production line
Daswell sand making machine production line

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