The Development of Wire Drawing Machine

Wire Drawing Machine


The Development of Wire Drawing Machine


At present, the overall technical level and equipment level of China's metal products industry still lag far behind industrially developed countries, and it is still relatively backward in terms of wire drawing machine mainframe, auxiliary equipment, lubrication technology, wire production, and wire drawing die quality; For the actual situation of my country's metal products industry, it is unrealistic and undesirable to simply pursue advanced large-scale, high-speed wire drawing machines.


For the designers and manufacturers of wire drawing machines, the focus of work should be on the design and manufacture of wire drawing machines with reliable operation, simple operation and maintenance, and high production efficiency.


At present, there are two main guiding ideologies for the design and manufacture of wire drawing machines in the world; one is represented by Italy, Germany, Sweden and other European industrialized countries, advocating the development of wire drawing machines in the direction of large-scale, high-speed looper and straight lines; the other Represented by Japan, it is advocated that the wire drawing machine has a higher speed, combined with advanced auxiliary equipment, and develops in the direction of a combined wire drawing machine.


Relying on advanced mechanical and electrical industrial systems, European countries first made breakthroughs in the wire drawing die and its lubrication technology and reel water cooling system, which greatly improved the drawing speed and quality of steel wire. The main force of the wire drawing machine is the looper type, Linear and tank wire drawing machines.


However, the specific situation in China is that the technical level of the operators is low, the wire drawing lubricant and the quality of the wire cannot meet the requirements of high-speed drawing, especially the quality and reliability of the electrical components of the DC system make the product manufacturers feel that the operation and maintenance more difficult.


Under the current conditions, I think that the development of wire drawing machines in my country's metal products industry should not pursue such high-level advanced wire drawing machines. Although its advantages are well known, the domestic auxiliary and supporting levels will make this type of wire drawing machine fail to meet the performance indicators of the machine in actual production, resulting in waste of investment and long recovery time.


Japan has a slight gap compared with European countries in the design and manufacture of wire drawing machines, but has done a lot of work in auxiliary equipment and simplified electrical control systems; its guiding ideology is that the wire drawing machine should first be easy to operate and maintain. , use advanced and efficient auxiliary equipment to improve wire drawing production efficiency.


It first made a breakthrough in AC frequency conversion speed regulation, which made the electrical system of the wire drawing machine simpler, more reliable, and more convenient to operate and maintain; another feature is that it advocates the use of combined wire drawing machines. Minimize equipment investment.


The typical process of using medium and large heavy wire rods as raw materials is as follows, and the specific methods are:


Use qb600 or qb560 pulley-type wire drawing machine as the breaker and arrange it at the front end of the combined wire-drawing machine, and qb400 pulley-type wire-drawing machine is arranged in the middle. Prepare and reduce the number of twists when the steel wire enters the finished mold;


The finished reel adopts a strsight wire drawing machine, equipped with a two-way straightening mechanism, which basically eliminates the torsion effect produced by the steel wire in the previous pass of drawing;


Finally, a large I-shaped wheel take-up machine or other continuous unloading machine is configured to improve the efficiency of the wire drawing production line.


The combined wire drawing machine makes full use of the advantages of various types of wire drawing machines, the quality of the steel wire is greatly improved, and the method of AC frequency conversion speed regulation can be used to make this type of combined wire drawing machine have the same performance as the looper or linear wire drawing machine. , It has a large adjustment range of machine compression rate and has strong adaptability to various process routes.

地点: 14 Rue Ahmed Rami, Tunis 1002突尼斯

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