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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

The contribution of CNC machining to the rapid development of mobile phones

The mobile phone can be said to be an indispensable electronic product in our daily life. It has promoted the development of our communication era. But did you know that many parts of mobile phones are made by CNC precision parts processing manufacturers? So how much role does CNC precision parts processing team play in our mobile phone manufacturing? Let's take a look at the effect of CNC precision parts processing on mobile phone manufacturing.

Take the iPhone manufactured by Foxconn. IPhone can be said to be a very popular mobile phone brand, and the IPhone body is generally made of aluminum alloy frame, whether it is 5S or IPhone XS Max after 6S, it is aluminum alloy body, and the aluminum alloy body is precision CNC Precision machining by lathe. Almost all the aluminum alloy shells of brand mobile phones are made by precision processing, because this kind of shell is more beautiful, smooth and drop resistant than ordinary shells.

So is it only related to the processing of the mobile phone shell and CNC precision parts? In fact, there are many parts that we can't see, and they are inseparable from CNC precision parts cnc machining. For example, very small screw caps in mobile phones are customized according to the needs of mobile phone manufacturers. There are almost no standards, and the requirements for precision are very high. Therefore, almost all standards are produced by CNC precision parts processing, and many parts such as silver needles in mobile phones are produced by CNC precision parts processing.



Mainly, the four principles followed in the process of CNC precision parts processing have brought good results to the mobile phone shell. details as follows:

1. Benchmark first

In other words, the datum plane must be processed first. In the processing process, the surface as the positioning reference must be processed first in order to provide a precision reference for subsequent processing as soon as possible.

2. Division of processing stages

The appearance of high processing quality can be divided into three stages: rough processing, semi-finishing and finishing. Its main purpose is to ensure processing quality; facilitate the scientific application of equipment; facilitate the arrangement of heat treatment processes; facilitate the detection of blank defects.

Third, the front surface of the hole

For parts such as boxes, brackets, connecting rods, etc., the plane should be machined before the holes are machined. In this way, the holes can be machined and die casting  by plane positioning, which ensures the position accuracy of the plane and the holes, and facilitates the processing of the holes on the plane.

Four, complete

The finishing of the main surface, such as grinding, honing, finishing, rolling, etc., should be placed at the end of the process route. The general principles of precision parts processing routes and the formulation of precision parts processing procedures can be divided into two parts. First determine the process route of the part processing, and then determine the process size of each process, the equipment and process equipment used, the amount of cutting, the quota of working hours, etc.

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