Why is the fatigue life of the smooth elevator wire rope relatively short

Smooth wire rope, including smooth elevator wire rope, has been produced for more than 100 years, its rope wire is not any variety of wear-resistant protective coating, so the smooth elevator wire rope is very easy to fretting wear after use, the stress concentration after the wear of the wire will cause fatigue and broken wire, and even cause the occurrence of broken strands, the upgraded product of the smooth elevator wire rope is the manganese phosphate wear-resistant coating elevator wire rope, and the wire rope manufacturing technology is constantly improving. Phosphate coated wire rope is China's invention patent, in the State Intellectual Property Office Patent Office can query relevant information, phosphate coated wire rope patent belongs to natural persons, that is to say, if the enterprise wants to produce phosphate coated wire rope, must obtain the permission of the patentee to legally produce, including all wire rope manufacturers need to obtain the permission of the patentee and pay patent fees before they can legally produce, otherwise they may be suspected of patent infringement and face huge economic compensation and administrative penalties. Phosphating includes many formulas, among which manganese phosphating is the strongest wear resistance and anti-corrosion ability, manganese phosphating coated wire rope can greatly improve the fatigue life of wire rope, manganese phosphating coated wire rope has a longer service life and lower unit cost, and is an upgraded product of all kinds of smooth wire ropes.

When purchasing manganese phosphate coated wire rope, the main technical index is the weight of the manganese phosphate film film, the current listed phosphate film weight is between 15-30 grams of square meters, the greater the weight of the phosphate film is more conducive to improving the service life, the phosphate film weight is less than 3 grams of square meters is not the phosphate coating wire rope. It is recommended to ask the company's sales manager to see if they produce manganese-based phosphate wear-resistant coated wire ropes, and now there are many companies that have obtained patent licenses to authorize mass production of manganese-based phosphate wear-resistant coated wire ropes, and the complete elimination of smooth elevator wire ropes is just around the corner.

Smooth wire rope, also including smooth elevator wire rope, its rope wire is not wear-resistant protective coating, so the smooth elevator wire rope is very easy to wear, after the wire is worn, fatigue broken wire will occur, and even cause the occurrence of broken strands, the upgraded product of smooth elevator wire rope is manganese phosphating wear-resistant coating elevator wire rope, technology is constantly improving. Phosphate coated wire rope is China's invention patent, in the State Intellectual Property Office Patent Office can query relevant information, phosphate coated wire rope patent belongs to natural persons, that is to say, if the enterprise wants to produce phosphate coated wire rope, must obtain the permission of the patentee to legally produce, including all wire rope manufacturers need to obtain the permission of the patentee and pay patent fees before they can legally produce, otherwise they may be suspected of patent infringement and face huge economic compensation and administrative penalties. Phosphating includes many formulas, among which manganese phosphating is the strongest wear resistance and anti-corrosion ability, manganese phosphating coated wire rope can greatly improve the fatigue life of wire rope, manganese phosphating coated wire rope has a longer service life and lower unit cost, and is an upgraded product of all kinds of smooth wire ropes.

When purchasing manganese phosphate coated wire rope, the main technical index is the weight of the manganese phosphate film film, the current listed phosphate film weight is between 15-30 grams of square meters, the greater the weight of the phosphate film is more conducive to improving the service life, the phosphate film weight is less than 3 grams of square meters is not the phosphate coating wire rope. It is recommended to ask the company's sales manager to see if they produce manganese-based phosphated wear-resistant coated wire ropes.

Smooth elevator wire rope, has been produced for nearly 100 years, its wire is not without any kind of wear-resistant protective coating, for the traction elevator, the smooth elevator wire rope is very easy to wear and break the wire after use, resulting in a relatively short service life of the smooth elevator wire rope, and even some low-quality smooth elevator wire rope using a few friends of the moon on the broken wire or even broken strands, do not buy shoddy smooth elevator wire rope because of cheapness. Manganese phosphating wear-resistant coating elevator wire rope is an upgraded product of smooth elevator wire rope, manganese phosphating wear-resistant coating elevator wire rope has 15-40 grams of manganese phosphating film on the surface of the wire surface, which is a wear-resistant protective coating, which can improve the wear resistance and anti-corrosion ability of the steel wire. Fatigue test can prove that the fatigue life of manganese phosphorus Xun submerged coated elevator wire rope is three to five times that of smooth elevator wire rope, the greater the weight of the phosphate film film, the longer the service life, the lower the unit cost, some manufacturers' product fatigue life is more than 2 million times, although the price of manganese phosphate coated elevator wire rope is slightly higher, but because of the long life of tired brothers, its unit cost is lower than that of smooth elevator wire rope.

Many domestic enterprises have obtained patent license production, because of its long service life and lower unit cost, it is highly sought after by users and extremely hot sales.

First of all, the longer the fatigue life of the wire rope, the longer its service life, the statistical results of numerous fatigue test data show that the fatigue life of the manganese phosphate wear-resistant coating elevator wire rope is three to five times that of the same structure smooth elevator wire rope, the greater the weight of the manganese phosphate film film on the surface of the rope making wire, the longer its fatigue life, therefore, the purchase of wire rope needs to require the thickness of the manganese phosphate wear-resistant protective coating on the surface of the steel wire to be at least 15 grams of square meters, and the thicker the better, which is the basic technical requirement, Some domestic patented wire rope manufacturing enterprises are also in accordance with this standard to produce manganese phosphating wear-resistant coating wire rope, the general phosphating film weight is 15-30 grams of square meters, mining manganese phosphate wear-resistant coating wire rope even reached 40 grams of square meters, the manganese phosphate film weight as a technical index written into the procurement contract. Manganese phosphating wear-resistant coating wire rope is currently the only wire rope with wear-resistant protective coating in the world, the role of manganese phosphate film on the surface of the steel wire is equivalent to oiling the wire rope every day, which can prevent fretting wear and rust oxidation, which is the reason why the fatigue life of the manganese phosphate wear-resistant coating wire rope is greatly improved, the smooth wire rope does not have any wear-resistant protective coating, which is the reason why the fatigue life of the smooth wire rope is relatively short, and the smooth wire rope belongs to the backward process and is also a product that is being eliminated.

First of all, the surface of the rope wire without manganese phosphate wear-resistant protective coating is not worthy of being called a brand-name elevator wire rope at all, even if it was a brand-name smooth elevator wire rope that used to be d, it is now an obsolete product produced by outdated technology.

The fatigue life of manganese phosphate wear-resistant coating elevator wire rope is three to five times that of smooth elevator wire rope, the longer the fatigue life, the longer the service life, they are proportional to each other, if there is a fatigue testing machine, it is strongly recommended to measure the fatigue life by yourself and then compare the test results. Manganese phosphate film is a kind of wear-resistant protective coating of steel materials, which can improve the wear resistance and anti-corrosion ability of steel wire, so the service life of the elevator wire rope with manganese phosphate wear-resistant protective coating is longer, and the service life of the steel wire without wear-resistant protective coating is relatively short.

To sum up, the manganese phosphate coated elevator wire rope is an upgraded product of the smooth elevator wire rope, the service life of the manganese phosphate coated elevator wire rope is longer, the average daily cost is lower, and it can better meet the requirements of users.

The smooth elevator wire rope, the surface of the steel wire is not wear-resistant protective coating, after the use of it is very easy to fretting wear, the wire wear will cause fatigue breakage, which is the main reason for the short fatigue life of the smooth elevator wire rope. Fatigue test has proved that the thickness of manganese phosphate wear-resistant coating on the surface of the steel wire reaches 15-30 grams square meters, the fatigue life of manganese phosphate coated elevator wire rope is three to five times that of the same structure smooth elevator wire rope, manganese phosphate coated elevator wire rope is the most advanced technology in the world's wire rope manufacturing industry, the longer the fatigue life will be the longer the service life, and it can better meet the requirements of users. A number of domestic enterprises have obtained patent licenses for the production of manganese phosphating wear-resistant coated wire ropes, and at present, the elimination of smooth elevator wire ropes is undoubted.

The wear and tear of the electric sail elevator wire rope during use, the core of the celery car includes the wear of the surface and the fretting wear inside the wire rope, and the smooth elevator wire rope has not undergone surface treatment, and is only coated with a layer of grease on the surface, so the wear resistance is extremely poor, and it is also the reason why the fatigue life of the smooth elevator wire rope is relatively short. The friction between the smooth elevator wire rope and the traction wheel groove drives the elevator, and the friction is very large, and if the installation is not good, it will also produce eccentric wear with the edge of the traction wheel groove, and sometimes the steel wire is directly broken. At present, the most wear-resistant is the manganese phosphating coated wire rope, the fatigue resistance is very good, the service life is also the longest, is a patented product, fully in line with the GB8903-2005 elevator wire rope national standard all technical index requirements.

The phosphate coating greatly improves the wear resistance and corrosion resistance of the steel wire surface, and it is not easy to wear and rust is the reason for its service life.

Commonly used wire rope varieties are phosphate-coated wire rope, galvanized wire rope, stainless steel wire rope or plastic-coated wire rope, which is used in atmospheric environments, and the manganese phosphate coated wire rope produced by patented technology has the longest service life, and hot-dip galvanized-phosphated double-coated wire rope is preferred in heavy corrosive environments.

Manganese phosphating is wear-resistant, corrosion-resistant and phosphating, and the steel gears of automobile gearboxes are treated by manganese phosphating, which can ensure that the automobile gears will not be damaged for more than ten years. The phosphate coated wire rope produced by China's patented technology gives priority to the use of manganese or zinc-manganese phosphating, compared with the smooth wire rope production process, only the final wear-resistant phosphating treatment process is added, and the wear resistance and corrosion resistance of the rope wire are greatly improved, and the phosphated steel wire is used to directly twist the wire rope. At present, the fatigue test data shows that the fatigue life of the phosphate coated wire rope is about 3-4 times that of the domestic smooth wire rope of the same structure, and 2-3 times that of the imported smooth wire rope.

Manganese phosphating is wear-resistant phosphating, which can solve the problem of wear and tear in the use of wire ropes, and smooth wire ropes are being eliminated, because phosphating coated wire ropes are in short supply, which is currently more sought-after, and it is necessary to ask a few more companies.

Purchasing phosphating coated wire ropes** is higher than smooth wire ropes, but the unit cost of use is lower than that of smooth wire ropes. The current test data proves that the fatigue life of phosphate coated wire rope is 3-4 times that of smooth wire rope, and the service life of wire rope is proportional to the fatigue life. The stability and safety in the process of use and the cost performance are higher, and it is an upgraded product of the smooth wire rope, which is for reference only.

At present, the elevator is mostly driven by traction, and the traction wheel and the wire rope drive the elevator up and down through friction, and friction will inevitably lead to the occurrence of wear, and the smooth elevator wire rope is not wear-resistant, which leads to the shortening of its service life, and the result of wear is that the diameter of the elevator wire rope decreases, and gradually appears the phenomenon of broken wire and broken strands.

Manganese phosphate coated elevator wire rope, rope wire by manganese phosphate coating treatment, greatly improve the surface wear resistance and corrosion resistance of the steel wire, not easy to wear and not easy to rust so that its fatigue life is greatly improved, the current fatigue test data show that the fatigue life of manganese phosphate coated elevator wire rope is 3-4 times the fatigue life of the same structure smooth elevator wire rope. The average daily use cost of manganese phosphate coated elevator wire rope is lower, and the quality stability and safety are higher.

At present, the most wear-resistant steel wire rope is the manganese phosphate coating wire rope, and the surface of the steel gear of the automobile gearbox is treated with manganese phosphate coating, which can ensure that the gear will not be damaged for more than ten years, which shows the effectiveness of the manganese phosphate coating to improve wear resistance. The use of manganese phosphate coated wire rope for lifting machinery will also greatly improve the service life, which has far surpassed the imported wire rope. FYI.