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High temperature chain oil is usually made of synthetic oil such as polyether, polyalphaolefin (PAO) and ester oil as Base Oil, and then with additives such as high temperature anti-oxidation, anti-corrosion, extreme pressure and anti-wear. With the rapid development of my country's textile, printing and dyeing, petrochemical, building materials and transportation industries, the operating temperature of the transmission system of these equipment is getting higher and higher, and the requirements for chain oil are becoming more and more stringent. Different chain lubricants can be selected for different use environments.
Typical application fields of various types of chain oils
Use temperature range ℃ | Type of base oil | Main areas of use |
<150℃ | Mineral oil, semi-synthetic oil, diester, polyether | Transportation, Agriculture, Mining, Food, etc. |
150~250℃ | Polyether, polyolefin/diester, trimellitate | Auto paint, bakery, beverages, etc. |
220~300℃ | Polyol ester, dibasic acid ester | Textile setting, stretch tenter, building materials, etc. |
>600℃ | Graphite and other solid lubricating materials | Ceramics, cement, brick making, tile making, etc. |
For general chains, the lubricated parts are mainly sprockets and chain rollers, sprockets and bushings. Due to the different structure of the chain, the lubrication point of the chain may also change. But in most chains, the lubricating parts are mainly sprockets and chain rollers, sprockets and bushings.
4: The main failure form of the chain
A: The pin is brokenFor chains, it is easier to lubricate the rollers and sprockets, but it is more difficult to lubricate the sprockets and bushings. Because the clearance between the shaft and the bushing is very small and it is completely open ambient conditions. If the lubricating oil does not have good permeability, it cannot penetrate into the inside of the shaft and the sleeve, and it cannot lubricate the shaft and the sleeve.
When the chain is running, due to the action of high speed, the lubricating oil will be thrown off. At low speeds, the lubricating oil drips due to gravity. All these not only pollute the environment and products, but also cause a lot of waste. Therefore, the lubricating oil is required to have good adhesion, which can firmly adhere to the friction surface without falling off due to various effects.
One of the functions of lubricating oil is to lubricate, but when the chain is subjected to different effects during operation, the lubricating performance of the lubricating oil will be higher, especially those chains under heavy load and impact conditions, which have great impact on extreme pressure and anti-wear properties. The requirements are higher, so the general chain lubricants pay great attention to this requirement.
D: has excellent oxidation stability
Usually chain drives work in exposed environments, so chain lubricating oil
E: has a very small evaporation loss rate
F: has a good ability to resist external effects
G: Has the characteristics of different contamination
H: has the least tendency to deposit carbon
The above are the basic requirements of chain transmission for lubricants. Of course, there are many other requirements. These requirements will be different depending on the scope of use of the transmission chain, the environment, and the equipment requirements.October 16, 2024
October 12, 2024
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Tel:0086-371-58651986
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Mobile Phone:8613783582233
Email:sales@cn-lubricantadditive.com
Address:No.11 Changchun Road, High-Tech Zone, Zhengzhou, Henan
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