Copper-based sintered friction disc
Dual friction steel plate
Product overview
Keywords:
- Product Description
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- Product name: Dual friction steel plate
1. Automobile automatic transmission: As a counterpart to the friction plates in AT and DCT gearboxes, it overlaps with the friction plates alternately and transmits power through friction during the shifting process to ensure smooth shifting. It is suitable for passenger cars such as family cars and SUVs.
2. Hydraulic clutch for engineering machinery: used with wet friction plates of excavators and loaders. During heavy-load operations (such as shoveling, lifting), it can withstand high-frequency frictional impacts and quickly dissipate heat to avoid overheating and failure of the clutch.
3. Heavy-duty commercial vehicle clutch assembly: a dry clutch system used for heavy trucks and slag trucks. It cooperates with the clutch friction plate to provide a stable friction contact surface under heavy-load starting and climbing conditions, and improves the service life of the clutch.
4. Ship gearbox: It is suitable for the transmission gearbox of inland river cargo ships and fishing boats. It forms a friction pair with the wet friction plate. When the ship starts sailing and changes speed, it can adapt to the humid and salt spray environment, ensure smooth power transmission, and prevent components from rusting.
5. Industrial heavy-duty winch: It is matched with the heavy-duty winch transmission system in the fields of metallurgy and construction, and works in conjunction with the friction plate to provide a reliable braking friction surface to ensure operational safety under heavy-load hovering conditions such as ladle lifting and bridge hoisting.
Product recommendations
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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.
