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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 with trace oil mist lubrication

In most cases, lathes use cutting fluid lubrication and cooling. The use of a large amount of cutting fluid has a great impact on the operating environment and the health of the operators. At the same time, the processing cost of cutting waste fluid is also very high. Due to the many problems existing in cutting fluid lubrication and cooling, new technologies have emerged to replace the traditional lubrication and cooling methods. In the turning process, the area where the cutting tool is prone to wear is the rake face. Therefore, spraying and penetrating a small amount of lubricating oil mist into this during the machining process will greatly reduce the friction. When applying trace oil mist lubrication to the lathe, the following should be paid attention to: For the external injection system lathe, the installation of the trace lubrication system should not affect the processing and the movement of other parts; the internal cooling lubrication lathe is the lubricant sprayed in the form of suspended oil mist particles. The cutting area must maintain a reliable flow of suspended particles. Therefore, the design of the machine tool should consider ensuring the transportation of suspended particles and the reliable sealing of the passage. The selection of the cutting tool jacket must match the cutting tool and ensure that the lubricating oil mist particles can reach the cutting area. The main influencing factors of machining quality and machining efficiency include the amount of back-cutting, feed rate, cutting linear speed, etc., in order to improve the impact of the cutting fluid on the machining environment and the adverse impact on the maintenance of the lathe. It is necessary for the research and application of micro-oil mist lubrication of lathes. The advantages of the micro-lubrication method are:

1. Reduce cutting costs and maintenance costs.
2. The machine tool does not need to consider the protection design to prevent leakage, which can increase the life of the electrical system and reduce the maintenance cost.
3. Better processing quality and higher processing efficiency can be obtained.
4. It can increase the machining life of cutting tools. <The air source pressure of the micro-oil mist lubrication system of the lathe is required to operate normally at 5-7bar, and better results can be obtained when the air source pressure is increased to 8-10bar.

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