Wear Resistant Ceramic Pulley Lagging
Density（g/cm3): ≥3.6-5.9
Al2O3 :92% 95%
Bending strength(MPa):≥220 -800
compressive strength(MPa):≥1050 - 2000
Fracture toughness(MPam1/2) :≥3.7 - 7
Rockwell hardness (HRA):≥82 -90
Loss bulk(cm3):≤0.25 - 0.02
Product Color:white and black
Certificate:ISO9001
Product Packaging: as requirement
Description
Wear resistant ceramic pulley lagging is the wear-resistant alumina ceramics with bumps on the surface are vulcanized in special rubber according to a certain layout by heat vulcanization process, and then pasted on the surface of the pulley to replace the traditional rubber to enhance the friction coefficient between the belt and the pulley. Reduce sliding friction and increase static friction. The addition of ceramics effectively reduces the contact area between the pulley lagging and the belt, and protects the pulley lagging.
Advantage of alumina ceramic
1. High hardness: its Rockwell hardness is HRA80-90, the hardness is second only to diamond, far exceeding the wear resistance of wear-resistant steel and stainless steel.
2. Excellent wear resistance: its wear resistance is equivalent to 266 times that of manganese steel and 171.5 times that of high chromium cast iron. Under the same working conditions, the service life of the equipment can be extended by at least ten times.
3. Light weight: its density is 3.6g/cm3, which is only half of that of steel, which can greatly reduce the load on equipment.
Compared with cold sticking, integral heat vulcanized ceramic rollers have the following advantages
1.The bonding strength of the cold-bonded roller lagging is about 8N/mm, and the breaking strength of the overall hot-vulcanized roller lagging exceeds 12N/mm, which is increased by 50%, which greatly reduces the falling off of the lagging.
2. There are gaps between the cold-bonded lagging rubber sheets, and muddy water will enter under wet conditions, which is easy to cause damage to the roller and the lagging. The overall thermal vulcanization is completely seamless, and its performance is greatly improved under wet conditions.
3. The overall thermal vulcanization technology adopts a new wear-resistant formula, and the rubber base has higher tear resistance and wear resistance.
4. The use of cleaning agents, solvents, and adhesives can be reduced during the production process of the overall hot-vulcanized wear-resistant ceramic roller lagging, which is more environmentally friendly.
5. The overall hot vulcanization drum can be made according to the actual size of the drum, which has a higher fit with the steel parts.
Technical data
Series | BM92 | BMG95 |
AL2O3 (%) | 92±0.5 | 95±0.5 |
Bulk density(g/cm3) | ≥3.6 | ≥3.65 |
Compressive strength (MPa) | ≥1050 | ≥1300 |
Bending strength (MPa) | ≥220 | ≥250 |
Fracture toughness (MPam1/2) | ≥3.70 | ≥3.80 |
Rockwell hardness (HRA) | ≥82 | ≥85 |
Loss bulk (cm3) | ≤0.25 | ≤0.2 |
Series | Rubber |
Bulk density(g/cm3) | 1.4 |
Tensile strenth at break (MPa) | ≥14 |
Elongation at break (%) | ≥250 |
Shore hardness (HA) | 48-65 |
Adhesive between steel and rubber (MPa) | ≥3.5 |
Adhesive between rubber and ceramic (MPa) | ≥3.5 |
Thermal conductivity (normal temperature) (W/M·K) | 2 |
Aging period (years) | ≥1.5 |
Working temperature(℃) | -50-200 |
Application
Wear resistant ceramic pulley lagging is widely used in Coal conveying, material conveying system, pulverizing system, ash discharge, dust removal system and other mechanical equipment with large wear and tear in thermal power, steel, smelting, machinery, coal, mining, chemical, cement, port and wharf enterprises, etc., can be used according to different Choose different types of products according to your needs.
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