There are problems with second-hand sand making machinery. Let’s take a look at these seven reasons.
- 2018-11-12 -

Have you ever encountered such a situation, the second-hand sand-making machinery purchased suddenly stopped in production, and it was inexplicable. If you want to repair it, you have no choice but to stop working and wait for maintenance personnel, affecting efficiency and increasing costs. But from now on, if you buy a second-hand sand making machine that has such a malfunction, don't worry, look for the reason from the following points!


01. Blockage of material in the crushing chamber

Blockage of the material can also cause sudden shutdown of the equipment. At this time, the material should be cleaned up. In subsequent use, materials with large particle size or high water content are prohibited from entering the machine, and the feedstock should be kept even to avoid excessive feeding.


02. The triangular belt is too loose

Check if it is a V-belt problem. If it is too loose and cause downtime, adjust the tightness of the V-belt. If the V-belt loses its tightness due to long-term use, replace the V-belt.


03. Working voltage is not standard

When the working voltage of the production site is too low, it is not enough to stop the normal operation of the sand making machine. In this case, select the voltage that meets the requirements of the device.


04. Internal parts fall off

If the equipment has a metal collision sound before the shutdown, it may be that some parts in the crushing chamber are dropped, causing the sand machine to suddenly stop. At this time, the internal inspection of the equipment is performed.


05. Impeller stuck

When the inside of the crusher enters a hard object such as metal, it is possible to jam the impeller of the sand making machine, and the equipment cannot work. Therefore, the hardness of the material must be strictly controlled, and the incompetent material is prohibited from entering.


06. Bearing lock or spindle break

If it is caused by a broken spindle, the worn spindle is replaced. If it is caused by bearing lock, it is necessary to find out the cause of the lock, to properly install the bearing, to ensure that the bearing has a certain working clearance, and to do the lubrication of the bearing, otherwise the problem cannot be solved fundamentally.


07. Problems with the device cable

If the connecting line breaks or the contact is not good, the second-hand sand making machine will suddenly stop, which is likely to be a problem with the connecting line.