What are the reasons for low sand output from a sand-making machine

The following are the reasons for low sand output in sand-making machines:

1. When the machine operates at a higher speed, the fineness of the sand output increases, but the output rate decreases slightly. Conversely, when the machine operates at a lower speed, the coarseness of the sand output increases, while the output rate is relatively higher. In short, there is a certain relationship between the rotational speed, the fineness of the sand output, and the output rate.

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2. Feed Rate: When the feed rate is insufficient, even an eco-friendly sand making machine with a daily capacity of 1,000 tons cannot operate at full efficiency. Specifically, because the machine cannot fully process the material, it may not be operating at full capacity. This results in sand particles that are not as fine as those produced when the machine is running at full capacity, and the output will also be lower than when the machine is operating at full capacity.

3. Material Adhesiveness and Moisture Content: Under high-temperature conditions, some materials become highly adhesive. When these adhesive materials enter the sand-making machine, they tend to stick to the interior or the discharge port. This can cause blockages at the discharge port, further disrupting normal equipment operation.

4. Raw Material Hardness and Particle Size: During the sand-making process, it is optimal to maintain feed particle sizes between 3–5 cm. as particles smaller or larger than this range will directly affect output. Furthermore, a 1,000-ton-per-day eco-friendly bluestone sand-making machine processes low-hardness materials such as limestone, bluestone, and weathered sand at a higher output rate than when processing hard rocks like river pebbles, granite, and basalt. Therefore, the sand-making efficiency of the equipment is also closely related to its quality.