Silent Chain Manufacturers Introduces The Factors That Cause Chain Aging

Although stainless steel chainplates are much better than ordinary carbon steel chainplates, there are still some substances in the environment that will affect them. Silent Chain Manufacturers introduced the aging factors that cause it, including oxygen, ozone, heat, light, and mechanical stress. Moisture, etc., so all aspects need to be paid attention to extend the service life of the product.

Oxygen undergoes a free radical chain reaction with rubber molecules in the rubber, and the molecular chain is broken or excessively cross-linked, which causes the change of rubber properties. It is one of the important reasons for rubber aging, and the chemical activity of ozone is much higher than that of oxygen. More destructive, it also breaks the molecular chain.

Increasing the temperature can cause the thermal cracking or thermal crosslinking of the rubber, increase the oxygen diffusion rate and activate the oxidation reaction, thereby accelerating the rubber oxidation reaction rate, thereby aging the stainless steel chainplate. The stainless steel chain plate will break the rubber molecular chain to generate free radicals under the repeated action of mechanical stress and the continuous friction process with the idler roller, trigger the oxidation chain reaction, and form a mechanochemical process. In addition, it is easy to cause ozone cracking under stress.

There are two negative effects of water on stainless steel chainplates. On the one hand, it is easy to damage when wet air is exposed to rain or soaked in water. This is because water-soluble substances and clear water groups are extracted and dissolved by water. On the other hand, it is caused by hydrolysis or absorption, especially under the alternating action of water immersion and atmospheric exposure, which will accelerate the damage of the stainless steel chainplate.

The so-called other factors refer to chemical media, variable metal ions, high-energy radiation, electricity, and biology, etc., which will affect the stainless steel chain plate to varying degrees, so it is required to strengthen attention to the use of stainless steel chain plates from different aspects.