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Why does bearing hole wear occur in roller press?
Roller press is widely used in cement industry. It is an important and necessary equipment in dry process cement production line. The equipment features high production efficiency, stable operation, simple technology, and convenient operation and maintenance in the later stage. Because of the operation characteristics of the equipment, the working environment is very bad. Torsional support holes are positioning holes which play a supporting role on the support plate of the reducer. They bear the weight of the reducer and bear irregular impact vibration during the working process. Once the fit with the outer ring of the joint bearing loosens or clearances occur, the clearance will become larger and larger under the impact force, and eventually lose the cooperation relationship with the bearing. 。 When serious, it will affect the deviation of rolling motor roll and static roll, which will lead to unqualified particle size of materials, and increase the vibration of equipment and bury potential safety hazards. The wear pattern of this part is usually irregular, losing the original roundness and matching size, showing a serious upper and lower wear around slight situation, which adds a lot of difficulty to field control and repair accuracy.
How to repair the wear of bearing hole of roller press on site?
The position of torsional support holes of 1_and 2 60 mm, wear depth: 1.6 ~ 12 mm, wear state: irregular wear, repair number: 8.
Detailed Operation Procedures for Repairing Bearing Hole Wear of Roller Press on Site
1. On-site confirmation of wear status and wear amount of bearing holes;
2. Welding support points at corresponding positions according to specific wear conditions;
3. The bearing holes that need to be repaired are treated with baking oil.
4. Trial assembly of bearing holes with new bearings to determine the position and coordination relationship;
5. The surface of the bearing hole to be repaired is polished by a polishing machine.
6. Use absolute ethanol to clean the surface of the grinding bearing hole.
7. Proportionally reconcile SORE carbon NANO-POLYMER materials;
8. Sorrey SD7101H was coated on the repair site.
9. Spread SORE SD7000 demoulding agent on the bearing outer ring surface to dry.
10. Install the bearing to the correct position in the hole, and make the SD7101H material of Soleil shape at the same time.
11. To ensure the compactness of the repair materials, the repair parts were heated and cured with tungsten iodide lamp to complete the repair.
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