Asbestos-free friction discs
Ceramic fiber friction disc
Product overview
Keywords:
- Product Description
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- Product name: Ceramic fiber friction disc
1. Brake pads/brake friction pads of various automated mechanical braking systems can cope with the high-frequency low heat load caused by motor recuperation braking, or the instantaneous high temperature during emergency braking, avoid brake failure caused by thermal decay of traditional friction pads, and reduce brake dust pollution.
2. Special engineering machinery brakes: Equipment used in high-temperature environments (such as ladle transport trucks in metallurgical plants, grab machines in waste incineration plants) can still maintain stable friction performance at ambient temperatures close to 300°C, ensuring braking safety under heavy loads.
3. High-speed rail transit auxiliary braking: It is equipped with the auxiliary braking system of subways and light rails. When the train decelerates or emergency brakes when the train enters the station, it can withstand the high temperature generated by high-speed friction, quickly dissipate heat and have low wear, reducing the maintenance frequency of the rail vehicle braking system.
4. Industrial high-temperature transmission equipment: used in roller transmission clutches of glass production lines and braking mechanisms of drying equipment. In high-temperature working environments around 400°C, they replace resin-based friction discs that are prone to failure to achieve smooth power transmission and reliable braking, adapting to continuous production needs.
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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.
