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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

Change the lubricating oil when the temperature drops *important

The recent drop in temperature will lead to a decline in the controllability of various components of the car. Proper maintenance can improve the performance of the car and ensure driving safety.
Lubricating oil replacement *Important Lubricating oil replacement is the most important part, because after the weather changes, the viscosity of the lubricating oil will also change, which will aggravate the wear of the parts and cause the engine to be damaged to varying degrees. Moreover, the lubricating oil itself is divided into two types: winter and summer. Experts suggest that car owners should replace winter lubricating oil as soon as possible whether in Guangdong or in the north. In particular, the oil that has been used for a long time, the color is black, and the adhesion has deteriorated should be replaced to ensure that the engine starts and runs smoothly.
In addition, check the brake system. It is not uncommon to drive long distances. Therefore, it is not impossible to encounter rain and snow. Therefore, this is a key step in winter maintenance. For vehicles with pneumatic braking, the preload of the balance spring in the master cylinder should be adjusted reasonably. If the preload is too large, it will produce a “hard” feeling when braking. Such braking is prone to accidents on some slippery roads. If it is a hydraulically braked vehicle, pay attention to check the brake fluid, brake pipeline and each brake cylinder for leaks.
The tire should be replaced in good time. When the temperature is low, the rubber of the tire will become hard and relatively brittle, and the friction coefficient will be reduced. Therefore, the air pressure should not be too high when the tire is inflated, but not too low, otherwise it will shorten the life of the tire.
Experts also reminded you to frequently clean up the inclusions in the tire pattern in winter, try to avoid using tires that have been repaired more than once, and replace tires with larger wear and different brands and different patterns. The internal and external wear of tires are quite different. To ensure safety and reduce wear, tires should be changed regularly.

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