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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

Internal combustion engine is the main source of power for automobiles and construction machinery

The internal combustion engine is the main source of power for automobiles and construction machinery, and internal combustion engines mainly include gasoline engines and diesel engines. Diesel engines are widely used in trucks due to their own advantages such as high thermal efficiency, wide application range, and fuel economy. In particular, it can meet the needs of construction machinery operating conditions. Therefore, most construction machinery uses diesel engines as their power source. However, if it is improperly used and maintained, it is prone to overheating failure. Internal combustion engines for construction machinery are more prone to overheating failures due to their complex operating conditions and harsh operating environment. If the overheating fault is not eliminated in time, it will be more harmful and easily cause damage to the mechanical parts, increase fuel consumption, and reduce output power. As a repairer, he often encounters the treatment of the overheating failure of the internal combustion engine during the repair process. So how to quickly and accurately find out the cause of overheating faults and eliminate them in time is very important, which is of great significance for giving full play to the economic and dynamic performance of mechanical equipment and improving its service life. The hazards and causes of internal combustion engine overheating failures are very harmful. Long-term overheating can easily cause deformation, melting, jamming, and cylinder pulling of mechanical parts, which will increase fuel consumption and reduce output power. There are many reasons for the overheating of internal combustion engines, such as heavy load operations on ramps, hot summer and desert plateau areas with high ambient temperature, the cooling system is affected and cannot function fully, long-term overload and high-speed operation conditions, etc. . These are caused by the influence of environmental factors in the operation of construction machinery, and can generally be overcome by improving working conditions and reasonable operation. For the overheating of the body caused by the failure of the internal combustion engine, inspection and maintenance are required to restore normal operation. Overheating caused by internal combustion engine failure mainly includes insufficient cooling water in the cooling system and excessive fouling in the cooling water passage around the cylinder liner, thermostat failure, poor radiator performance, abnormal exhaust valve clearance, incorrect valve phase, and ignition timing failure factors, etc. . Therefore, when the internal combustion engine has an overheating fault, it is necessary to scientifically analyze and judge the fault phenomenon and find the cause of the fault in time. For automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

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