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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

Retrofit of old machine tools adopts trace lubrication

MQL processing is a processing method that atomizes a small amount of environmentally friendly lubricating oil with compressed air as the power and provides lubrication and cooling for cutting tools and workpieces. It is especially suitable for matching new machine tools and transforming old machine tools. The atomized oil mist particles are very small, generally micron-sized. MQL processing has the following advantages:

1. Since the lubricating oil is an environmentally friendly synthetic oil that is easy to decompose, the tools, workpieces, and chips are kept dry after processing, which is harmless to the human body and friendly to the environment.

2. Because the amount of lubricating oil is small, only a few to tens of milliliters per hour, which is only about one ten thousandth of the traditional pouring method, there is no need for waste liquid treatment equipment, which saves costs.

3. It can replace the traditional cutting fluid processing, and the old machine tool can be easily modified, which saves the production and operation cost of the enterprise and changes the production environment.

There are two supply methods for micro-lubrication: internal cooling and external spraying. The method of spraying to the cutting area through the internal cooling channel of the machine tool spindle and cutting tool is called internal cooling. There is no internal cooling channel to spray directly to the cutting area, which is called external cooling. The choice of internal cooling or external cooling depends on the original design of the machine tool, which is very convenient in terms of the transformation of its old machine tools, and has been widely used at present.

Link to this article:Retrofit of old machine tools adopts trace lubrication

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