Sand making machine wearing parts and their maintenance

Sand making machine is an indispensable equipment in the sand making market at present. The equipment is composed of many accessories. These accessories are also called wearing parts. They all play an important role in the production of equipment and require regular maintenance and replacement. The wearing parts of the sand making machine usually include blow bars, edge guards, counter-attack linings, square steel, compacting blocks, casing linings and rotor body guards, etc. These accessories are all forged from wear-resistant materials such as high manganese steel, high chromium, and high manganese composite. All have the advantages of high wear resistance and high impact force, which improves and alleviates the problem of frequent wear and tear of the wearing parts of the sand making machine.

In order to maximize profits in production, the maintenance and maintenance of the wearing parts of the sand making machine is an indispensable and regular work. Doing a good job in the maintenance and maintenance of the wearing parts of the sand making machine can reduce the failure rate and downtime of the sand making machine, so that it can create more production value.

1. Cleaning

Due to the working environment, the sand making machine will be polluted by the environment after a period of use, and impurities such as dirt will appear, resulting in inflexible operation of the equipment, damage to vulnerable parts, and reduced production efficiency. Therefore, it needs to be cleaned regularly.

The cleaning of general mining machinery is divided into pickling and alkali cleaning. Pickling is to drop 20% hydrochloric acid solution into the dirt, let it sit for ten minutes and then rinse it with clean water. dirt, and finally rinse with clean water. Whether it is acid or lye, it will be corrosive to the sand making machine cutter head and other parts, so the proportion of the solution must be grasped.

2. Maintenance

By loosening the outer ring and increasing the maximum stress points, the coordination relationship between the accessories can be adjusted reasonably; by changing the quality of the blocking plates on both sides of the rotor, the balance accuracy of the rotor of the sand making machine can be improved; Double-row radial spherical roller bearing with good core performance; a rubber plate of appropriate thickness is added between the bearing seat and the support frame to improve the support flexibility of the bearing seat, improve the stress condition of the bearing, and finally achieve extended use and wear The purpose of parts and equipment service life.

Sand making machine wearing parts

3. Maintenance

Including sand making machine wearing parts, sand making machine lubrication, sand making machine belt tension, etc. After the equipment has been running continuously for a period of time, first of all, it is necessary to regularly observe the wear of the wearing parts of the sand making machine, including material pipes, liners, round shields, cone caps, impellers, wear-resistant blocks, etc., and replace or repair them in time. Secondly, the service life of the sand making machine bearing is 7200 hours. Every 400 hours of work, add and replace the appropriate grease in the sand making machine. Every 2000 hours of work, the bearing main shaft parts need to be cleaned. Finally, the tension of the transmission V-belt should be properly adjusted to ensure that the V-belt, dual-motor drive, and tape are evenly stressed, and the lengths of both sides of the triangle should be matched in groups.

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