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how to solve the wear of the insulating glass production line?
Apr 24, 2018

How to solve the wear of the insulating glass production line, there is no uniform classification method for the wear of the insulating glass production line at present. Generally, it can be summarized as two types: One is the description of wear appearance based on the wear results, such as pitting wear, glue wear, rubbing Injury and wear, etc.; the other is based on the friction mechanism, points abrasive wear, adhesive wear, fatigue wear, corrosion and wear.

      The following Parker machines provide you with relevant analysis and resolution measures:

1. Insulative wear of the insulating glass production line, under the effect of tangential force, the adsorption film and the smear film on the surface of the friction pair are destroyed, so that the profile peak of the surface undergoes cold welding at various points of the interaction. Due to the relative movement, the material It is transferred from one surface to another and forms a cohesive wear. In this process, sometimes the material will be attached back to the original surface again, appearing to reverse the transfer, or leave the adhered surface and become free particles. The higher the load, the higher the surface temperature and the more severe the sticking phenomenon. Severe adhesive wear can cause side seizures. Adhesion wear is the most common form of wear between metal friction pairs.

      To reduce adhesive wear, the following measures can be taken:

1 Reasonably select matching materials. The same kind of metal is easier to adhere than the dissimilar metal; the brittle material has stronger anti-adhesion ability than the plastic material. Surface treatment (such as surface heat treatment, plating, spraying, etc.) can prevent the occurrence of adhesive wear.

2 Limit the temperature of the friction surface.

3 control pressure.

2. Abrasive wear of insulating glass production line From the outside, free hard particles (such as dust or metal particles caused by abrasion) or hard contour peaks are entered between the matte surface, and many rills are ploughed on the surface of softer materials. The phenomenon of material shedding is called abrasive wear. Abrasive wear is related to the hardness of the frictional material and the hardness of the abrasive particles. Sometimes the use of cheaper materials, regular replacement of wear-resistant parts, more in line with economic principles.

3, fatigue wear of insulating glass production line, under the effect of variable contact stress, if the stress exceeds the corresponding contact fatigue limit of the material, it will form fatigue cracks on the surface of the friction pair or a certain depth below the surface, with the expansion of the crack and mutual Connection, metal particles will fall off from the work surface of the part, resulting in the surface of the pitted damage phenomenon, that is, the formation of fatigue wear or fatigue pitting corrosion.

In order to improve the fatigue life of the surface of the component, in addition to the reasonable selection of frictional materials, attention should also be paid to:

1 Reasonably select the surface roughness of the part contact surface. In general, the smaller the surface roughness value, the longer the fatigue life.

2 Reasonable choice of lubricant viscosity. Low-viscosity oils tend to penetrate cracks and accelerate crack growth. High-viscosity lubricants facilitate uniform distribution of contact stresses and improve resistance to fatigue and wear. Adding extreme pressure additives or solid lubricants to lubricating oil can improve the fatigue resistance of the contact surface.

3 Reasonably select the hardness of the parts contact surface. Taking bearing steel as an example, when the hardness is 62 HRc, the fatigue resistance is the highest, increasing or decreasing the surface hardness, and the life is greatly reduced.

4. In the process of corrosive wear and friction of the insulating glass production line, surface damage caused by chemical or electrochemical reaction between the metal and the surrounding medium (such as acid in the air, lubricating oil, etc.) is called corrosion wear. Oxidation wear is the most common one. This is the wear phenomenon of the metal surface, which is repeatedly generated and worn off by the contact surface when the metal friction pair is working in an oxidizing medium. Actually, the chemical oxidation and mechanical wear are two processes that are performed successively. The amount of oxidative wear depends on the bonding strength and oxidation rate of the oxide film.

      In addition to the above four types of basic insulating glass line wear types, there are some wear phenomena that can be regarded as derivative or composite of basic wear types. The former wear such as erosion, the latter such as fretting wear.

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