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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

Classification of CNC Machining Occupation Levels

1. Blue-collar layer:   That is, CNC machining operation technicians, proficient in machining and CNC machining process knowledge, proficient in the operation and manual programming of CNC machine tools (attributes: automated machine tools), understand automatic programming and simple maintenance of CNC machine tools (attributes: automated machine tools), such There is a large market demand for personnel, and they are suitable for operating workers of CNC machine tools (attributes: automated machine tools) in the workshop, but due to their single knowledge, their wages will not be much higher.   2. Gray collar layer:   One, CNC machining programmer:   Master the knowledge of 5 Axis CNC machining Aluminum   technology and the operation of CNC machine tools (attributes: automated machine tools), be familiar with the design and manufacturing expertise of complex molds (title: mother of industry), and be proficient in 3D CAD/CAM software, such as UG, GOOGLE PRO/E, etc. ; Familiar with CNC

Hydrostatic guideway of CNC machining lathe

The static pressure slide rail (TTW guide) of the CNC machining lathe transfers the oil with a certain pressure through the throttle to the oil cavity between the sliding surfaces of the slide rail (TTW guide) to form a pressure oil film to float the moving parts , Make the sliding rail (TTW guide) surface in a pure liquid friction state.   CNC machining General CNC machining usually refers to computer digital control precision machining, CNC machining lathe, CNC machining milling machine, CNC machining c17200   beryllium   copper   and milling machine, etc. The feed route of finishing is basically carried out along the part contour sequence. Therefore, the focus of determining the feed route is to determine the feed route of rough machining and idle stroke. In the numerical control processing, the control system issues instructions to make the tool perform various motions that meet the requirements, and the shape and size of the workpiece are expressed in the form of numbers and lette

A well-designed engine oil filtration system is closely related to the service life of the oil

 

Some industrial engines are designed to use gaseous fuels (such as natural gas). Although this type of engine is similar to a diesel engine, it has been improved so that the combustion reaction in the cylinder is started by electric sparks. This is different from a real diesel engine. Industrial diesel engines in actual use are equipped with reciprocating pistons. Diesel engines can be either two-stroke or four-stroke. According to the arrangement of cylinders, fuel engines can be divided into vertical, horizontal or with a certain inclination, such as V-shaped engines. The type of engine used in the industry depends on the requirements for engine power, weight and size. The main function of engine oil in the engine is to reduce friction, absorb frictional heat, and cool the engine.

In order to meet the design requirements of different types of engines, a series of engine oils with viscosity and quality grades have been developed. In order to reduce the formation of deposits and coke, all engine oils must have good thermal oxidation stability to extend the oil drain period. A well-designed engine oil filtration system is also closely related to the service life of the oil. In addition to reducing friction, the oil also has the function of removing metal wear particles between the fine gaps on the moving surface and keeping it clean. The products of the combustion of wear particles and fuel must remain suspended in the oil in order to be filtered out by the engine oil filter device. The operating conditions of the diesel engine are variable, including low-speed stable output, medium-speed variable output, high-speed and high-output. Because the cleanliness of the oil plays an important role in the engine, the oil must contain a detergent and dispersant. Engines with high compression ratios have a tendency to accelerate the formation of oil precipitation. Engine oil with high-definition cleanliness can keep the piston clean, reduce the rate of wear between the cylinder and the piston ring, and prolong the service life of the engine. Detergents can prevent decomposition products from depositing on piston rings, pumping paths and other components. Oil temperature has a significant effect on dispersion, and it is difficult to achieve good dispersion effect at low temperature, but for diesel engine crankcase oil with high power output, low temperature dispersion is often the most basic requirement.

The 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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