Classification
Bearings (support and wear reduction)
● Function: Support shaft and gear, reduce friction, ensure concentricity, and withstand radial/axial forces
● Common types:
○ Deep groove ball bearings (62xx/63xx): High speed, light medium load
○ Spherical roller bearing (222xx): Heavy load, impact, allowing for a small amount of centering deviation
○ Conical roller bearings (32xxx): withstand combined radial and axial loads
○ Needle roller bearings: compact space, large radial load
● Brands: SKF, FAG, NSK, HRB, ZW
Oil seal (double lip skeleton oil seal)
● Function: Leak proof, dustproof, sealed and lubricated
● Material:
○ Nitrile rubber (NBR): universal, oil resistant, -30 ℃~120 ℃
○ Fluororubber (FKM): resistant to high temperatures and chemical corrosion (180 ℃+)
● Structure: Double lips (main lip+secondary lip)+metal frame+spring
● Function:
○ Inside: Seal lubricating oil
○ Outer side: dustproof, waterproof, and prevent impurities from entering
● Common specifications: 30 × 45 × 10, 40 × 60 × 10, 50 × 70 × 12, 60 × 85 × 12, etc
● Function: Skeleton+Protection+Sealing+Heat Dissipation+Installation
● Material:
HT250 gray cast iron (universal type): shock-absorbing, easy to cast, low cost
○ QT500/QT600 ductile iron (heavy-duty type): higher strength, impact resistance
○ Cast steel (ultra heavy/mining): high strength, resistant to extreme working conditions
● Structure:
○ Split type (box cover+box seat): easy to assemble and maintain
○ Integrated: Good rigidity and high precision
General core support components for industrial equipment, made of high carbon chromium bearing steel and treated with quenching and precision grinding technology. Mainly used for various crushers, mills, conveyors, and reducers, supporting shaft operation, reducing mechanical friction resistance, bearing radial and axial composite loads, stable operation, high temperature resistance, heavy load resistance, long service life, complete models, suitable for the full range of heavy industry equipment.
Includes a full range of sealing accessories such as skeleton oil seals, sealing rings, gaskets, dust covers, etc., made of wear-resistant and corrosion-resistant materials such as nitrile rubber, fluorine rubber, polyurethane, etc. It is widely used in transmission parts, hydraulic parts, and box junction surfaces to effectively prevent lubricating oil leakage, prevent dust, moisture, and impurities from entering the equipment, reduce part wear, and ensure that the equipment operates in a closed manner, and is resistant to high temperature, oil, and aging.
Includes standard and irregular fastening accessories such as bolts, nuts, screws, washers, pin shafts, and split pins, made of high-strength carbon steel and alloy steel materials, and treated with galvanized/blackened rust prevention. Used for equipment assembly, accessory fixation, structural connection, high strength, not easy to break, convenient disassembly and assembly, suitable for various heavy machinery in mining, metallurgy, and building materials, with complete specifications and wear and torsion resistance.
Universal hydraulic system accessories, including hydraulic cylinders, oil pumps, oil pipes, fittings, hydraulic valves, filters, and other components. To provide stable hydraulic power for equipment, realizing functions such as start stop, tensioning, adjustment, buffering, etc., with strong sealing, stable pressure, and anti leakage, suitable for hydraulic control systems of large crushing, conveying, and calcination equipment, durable and easy to maintain.
General accessories for mechanical equipment electrical control systems, including motors, contactors, circuit breakers, cables, sensors, limit switches, control cabinet components, etc. Responsible for equipment power supply, start stop control, overload protection, signal detection, with high protection level, anti-interference, high temperature resistance, suitable for harsh industrial and mining environments, ensuring safe and stable operation of the entire circuit, low failure rate, and easy maintenance and replacement.
Magnetic lining plate is an efficient wear-resistant lining for ball mills and semi autogenous mills, made of high-strength wear-resistant shell and permanent magnet composite. It relies on strong magnetic force to adsorb crushed steel balls, iron powder, and magnetic minerals, automatically forming a dynamic protective layer of 20-30mm on the surface. The medium grinds the protective layer without grinding the lining plate, achieving almost zero wear operation.
Core positioning: The mainstream wear-resistant lining for equipment such as ball mills, crushers, and coal mills, which combines high hardness and toughness, is more wear-resistant and has a longer service life than high manganese steel.
Core positioning: Special lining for wet grinding, fine grinding, and light impact working conditions of ball mills, quiet, lightweight, corrosion-resistant, and more protective of the cylinder body than alloy lining plates, making it easier to use.
High chromium alloy/high manganese steel wear-resistant hammer head, bimetallic composite/integral casting, high hardness, impact resistance, and wear resistance. Suitable for hammer crushers, sand making machines, fine crushers, crushing ores, coal gangue, limestone, etc., with high crushing efficiency and a lifespan 2-3 times that of ordinary hammer heads.
High chromium cast iron discharge grate/grid plate, precision casting, precise grate gap, anti blocking and wear-resistant. Used for screening and controlling material particle size and stable flow rate in ball mills and crushers, HRC 58–62， Lifespan of 8-14 months, not easily deformed and not clogged with materials.
High chromium alloy/wear-resistant cast steel liner, centrifugal casting/precision casting, smooth inner wall, uniform hardness, and resistance to particle erosion. Used for screw conveyors, pump bodies, feeders, shaft sleeves, and other parts, it is wear-resistant, corrosion-resistant, and extends the life of vulnerable parts. It can be customized according to the inner diameter/length.
High chromium alloy/bimetallic composite wear-resistant pipeline (straight pipe, elbow, tee, reducer), inner layer HRC 60-65, outer layer carbon steel pressure bearing. Used for conveying coal powder, slurry, and ash in mining, metallurgy, and power industries. Its wear resistance life is 5-10 times that of ordinary steel pipes, and its temperature resistance is between -40 ℃ and 600 ℃.
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