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Working principle of slow wire processing

 Slow wire walking, also called low-speed wire walking, is a kind of CNC machining machine tool that uses continuously moving fine metal wire as an electrode to pulse spark discharge on the workpiece to generate a high temperature of over 6000 degrees, ablate metal and cut into a workpiece. The principle of wire processing is the phenomenon that there is a gap between the wire electrode and the workpiece, and the metal is removed by continuous discharge. Since the slow-moving wire cutting machine adopts the method of wire electrode continuous feeding, that is, the wire electrode is processed during the movement, so even if the wire electrode is worn out, it can be continuously supplemented, so it can improve the machining accuracy of the parts and slow the wire. The surface roughness of the workpiece processed by the cutting machine can usually reach Ra=0.8μm and above, and the roundness error, linear error and dimensional error of the slow-moving wire cutting machine are much better t

How Do Cnc Swiss Machines Work

How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound  machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch  machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the  machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually

Spring Design Attention And Roll Forming Method

Spring Design Attention And Roll Forming Method The coiling characteristics and methods of springs are divided into cold coiling method and hot coiling method. Cold winding method: When the diameter of the spring wire is less than 8mm, the cold winding method is adopted. High-quality carbon spring steel wire is usually first cold drawn and then heat treated. After winding, it is generally not quenched, but only tempered at low temperature to eliminate the internal stress during winding. Hot-rolling method: Springs with larger diameter (>8mm) spring wire should use hot-rolling method. Hot rolled springs must be quenched and tempered at medium temperature. The Design Process Of Various Springs ·          Installation space: When designing a  compression spring , it is necessary to have a clear understanding of the space required for the installation of the spring, in order to effectively grasp the basic manufacturing conditions of the compression spring, including the outer diam

Turning machining MQL replaces cutting fluid

Most of the current lathe cutting lubrication is the use of cutting fluid, this method will have a great impact on the working environment, the processing of cutting fluid is also very heavy work, and also requires a lot of costs. The micro-oil mist lubrication technology of the lathe effectively solves the above problems. <br /> In lathe processing, the amount of back-cutting, feed, and linear cutting speed are all factors that can affect processing quality and processing efficiency. In order to improve the influence of cutting fluid on the machining environment and lathe maintenance, it is necessary to study the application of micro-oil mist lubrication technology on lathes. The advantages of this lubrication method are as follows:<br /> 1. The machine tool does not need to consider the protection design to prevent leakage, it has a good protection for the machine tool electrical system, which can increase the life of the electrical system and reduce the maintenance cost;<br /> 2. It can save floor space;<br /> 3. It can obtain better processing quality and higher processing efficiency;<br /> 4. It can increase the processing life of the tool. <br /> There are two types of micro-lubrication devices: oil mist lubrication devices and oil-air lubrication devices. Oil mist lubrication is a lubrication method in which vegetable oil is atomized into micron-sized particles and then passed directly to the cutting area through an external nozzle or through the internal cooling channel of the tool holder. Oil-air lubrication is a lubrication method in which a small amount of lubricating oil is accurately metered, and compressed air is brought to the nozzle and then the lubricating oil is torn into mist particles by the compressed air and sprayed to the cutting part. Due to the low consumption of lubricating oil in this kind of lubrication method, the use of lathe micro-lubrication method can achieve very high linear speeds. The difference between oil mist and oil and gas is that the response time of oil mist is fast. Both use compressed air as the conveying medium. Therefore, the size and stability of the compressed air pressure directly affect the good operation of the micro-oil mist lubrication device of the lathe. The air source pressure of the micro-oil mist lubrication system of the lathe is required to be 5-7bar. When the air source pressure is increased to 8-10bar, a better atomization percentage rate can be obtained, and the oil mist delivery capacity is greatly enhanced. <br /> If the cutter head nozzle of the CNC lathe only needs to change the nozzle inner hole diameter according to the actual demand, the transition from cutting fluid lubrication to trace oil mist lubrication can be realized, and the consumption of oil can be reduced, bringing more High economic value. <br />

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