Copper-based sintered friction disc



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Copper-based sintered friction disc


Product overview

The copper-based die-cast sintered dry friction disc is made of high-strength 65MN steel as the base material and is made through an integrated process of high-pressure die-casting and high-temperature sintering. The friction layer has a higher density and a more uniform structure. Its core advantages include stable friction coefficient (0.35-0.45) in a dry environment, strong resistance to thermal decay (continuous operating temperature up to 350°C), high mechanical strength (compressive strength ≥ 280MPa), and the ability to achieve efficient power transmission without relying on lubricating oil. It also has low wear and no oil pollution, and can adapt to complex working conditions such as dryness and dust. It is an ideal component for transmission systems that require high cleanliness and reliability.

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  • Product Description
    • Product name: Copper-based sintered friction disc

    1. Agricultural machinery transmission system: adapted to the clutches of large tractors and combine harvesters. In dry and dusty fields, it can achieve smooth engagement of agricultural machinery when starting and switching operations, and avoid oil contamination of crops or farmland.

    2. Light commercial vehicle clutch: used for clutch assemblies of 3-5 tons light trucks and minivans. Under frequent start and stop conditions on urban roads, high mechanical strength can cope with frequent friction and extend the clutch replacement cycle.

    3. Industrial fans and water pumps: The transmission clutches assembled in large centrifugal fans and industrial water pumps can realize no-load starting and load switching of equipment in a dry workshop environment, avoiding motor overload and without the risk of oil leakage.

    4. Construction machinery auxiliary device: used in the vibration mechanism of road rollers and the lifting transmission system of forklifts. In outdoor dry operation scenarios, it ensures stable power transmission during vibration rolling and cargo lifting, and can adapt to bumpy working conditions.

    5. Mining auxiliary equipment: Brake clutches used for mining belt conveyors and bucket elevators provide reliable braking effects in dry and mineral-powder-rich environments in mines, prevent equipment from slipping, and are resistant to dust wear.

    6. General mechanical equipment: It is suitable for the main drive clutch of printing machines and textile machines. Under the requirements of clean production in the workshop, it can avoid lubricating oil from contaminating printing paper or textile fabrics, while ensuring the stability of continuous operation of the equipment.


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The steel plate coupling plate is a transmission system supporting component made of high-strength 65Mn steel plate as the base material and processed by precision stamping, surface phosphating/galvanizing or laser hardening. Its core function is to form an efficient friction pair with the friction plate. It has a high-precision surface with a flatness error of ≤0.03mm, mechanical properties of tensile strength of ≥500MPa, and excellent wear resistance, corrosion resistance and thermal conductivity. It can maintain structural stability under high load and high-frequency friction conditions, quickly conduct heat generated by friction, avoid thermal deformation, and cooperate with friction plates to achieve smooth engagement and cut-off of power. It is an indispensable key in wet/dry transmission systems.

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Ceramic fiber friction pads are made of high-performance ceramic fiber as the core friction base material, composite resin adhesive and metal reinforced particles. They have three core advantages: ultra-high temperature resistance (long-term working temperature resistance of 350°C), stable friction coefficient (0.4-0.5 in dry state, thermal decay rate ≤15%), low wear and environmental protection (the wear amount is 40% lower than that of traditional metal-based friction pads, and there is no metal debris pollution). It is light in texture, has strong thermal stability, is not easily deformed or cracked under high temperature and high-frequency friction conditions, and has excellent noise reduction properties. It is an ideal choice for transmission systems that require high temperature resistance and environmental protection.

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The copper-based die-cast sintered dry friction disc is made of high-strength 65MN steel as the base material and is made through an integrated process of high-pressure die-casting and high-temperature sintering. The friction layer has a higher density and a more uniform structure. Its core advantages include stable friction coefficient (0.35-0.45) in a dry environment, strong resistance to thermal decay (continuous operating temperature up to 350°C), high mechanical strength (compressive strength ≥ 280MPa), and the ability to achieve efficient power transmission without relying on lubricating oil. It also has low wear and no oil pollution, and can adapt to complex working conditions such as dryness and dust. It is an ideal component for transmission systems that require high cleanliness and reliability.

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Copper-based spray-sintered wet friction pads use high-purity copper alloy as the base material and form a porous friction layer through a precision spray-sintering process. They have three core advantages: high temperature resistance (instantaneous temperature resistance can reach more than 800°C), high friction coefficient and stability (fluctuation ≤ 0.05), and low wear rate (the wear amount is 30% lower than traditional products). Its unique porous structure can efficiently store lubricating oil, achieve rapid heat dissipation and smooth engagement in a wet working environment, without impact and noise. It also has excellent oil corrosion resistance and fatigue resistance, and its service life is far longer than that of resin-based or cast iron-based friction plates. It is a core and key part of high-load power transmission systems.

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