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Silent chain HVchain 4 guide plates

Hawala chain is a kind of high speed mute tooth rotation chain. The main characteristics of hawala chain are as follows: the speed, fast torsional distance, high speed is 30 × 60 meters per second. It is easy to lubricate rollers and sprockets for chain with excellent permeability, but it is difficult to lubricate chain shafts and bushes. Because the gap between shaft and sleeve is very small, and it is completely open environmental conditions. If lubricating oil does not have good permeability, it can not penetrate into the inner part of shaft and shaft sleeve, and can not lubricate shaft and shaft sleeve. b. If there is an excellent adhesive chain in operation, the lubricating oil will be thrown off due to the high speed. Lubricating oil drips at low speed due to gravity. All this will not only pollute the environment and products, but also cause a lot of waste. Therefore, lubricating oil should have good adhesion, can adhere to the friction surface firmly, and will not fall off because of various effects. c. One of the functions of lubricating oil with excellent lubrication performance is lubrication, but when the chain is subjected to different effects in operation, it will require higher lubrication performance of lubricating oil, especially those under heavy load and impact conditions, the requirements of extreme pressure wear resistance are higher, so the general chain lubricating oil pays great attention to this aspect of the requirements. d. The chain drive usually works in the exposed environment, so the chain lubricating oil requires excellent oxidation stability. e. The evaporation loss rate is very small. It has a good ability to resist the action of the outside world. It has the characteristic that it is not easy to be polluted. The minimum carbon accumulation tendency is the basic requirement of lubricant for chain transmission, and of course there are many other requirements, which will be different according to the range of use of transmission chain, environment, equipment requirements and so on.