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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 Two Giants of CNC Machining Centers Comparison Between Siemens and FANUC

The Cnc Machining center is a high-precision Cnc Machine tool. The CNC system is the core control center of the entire machining center, which is equivalent to the human brain and its importance is self-evident. The numerical control system issues orders through a series of electronic components and circuits all over the machine tool, and then completes the various processing procedures of the machine tool. my country’s numerical control technology has developed rapidly in the past ten years, and the domestic CNC system for machining centers has occupied a certain market share. As far as the current domestic machining center market is concerned, the CNC systems used in high-end mid-range models still need to be imported. The CNC system is highly technical, and there are many technical barriers. There are not many good CNC system suppliers in the world, and Siemens and FANUC are undoubtedly the two giants of CNC systems for machining centers with the largest market share.

In fact, the operating principles of Siemens CNC system and FANUC system are almost too many, and the operation interface, function matching, and programming methods are slightly different. Next, Yuange will give you a detailed introduction to these two imported CNC systems.

FANUC CNC MACHINING CENTER 

FANUC is a professional CNC manufacturer in Japan and the world’s largest professional manufacturer of CNC devices. The earliest application of CNC system to machine tool equipment has made outstanding contributions to the development of world industrial automation. Siemens is a global enterprise in the field of electrical and electronic engineering. Siemens CNC is a department of the company. Siemens and FANUC also design other product areas, such as FANUC robots and Siemens appliances. It has nothing to do with our machining center industry, so I won’t repeat it here.

Siemens CNC System

FANUC systems generally use isolated power supplies, from three-phase 380V to 200V. The SIEMENS numerical control system is 380V commercial power. In contrast, the FANUC system is more suitable for the current grid requirements of our country. A major requirement of the Siemens CNC system is the high power grid requirements, which is not suitable for the current domestic power grid conditions.

development level

Siemens’ numerical control has a relatively high level of development and has achieved channel control. But it is not very stable. Friends who configure imported Siemens CNC system must know that PLC crash or program loss in Siemens CNC system is one of the common faults in maintenance. However, FANUC’s PLC program has better stability and generally does not crash. Unless the system fails, there is generally no program loss. If you don’t want to engage in low-level work, want to get rid of the status quo, and want to learn UG programming, you can add editor QQ: 770573829 to learn CNC machining programming technology.

Getting started

The operating system should comprehensively consider the programming situation, ease of use and ease of learning. Take common metal cutting operations as an example, there is not much difference in programming between the two. G code and M code are still the most important programming methods. In terms of ease of use, the Siemens CNC system is even better. Even if the user has no common knowledge of workpiece technology and programming foundation, he can still use the shopmill function and graphic programming function to complete the programming process. In terms of ease of learning, the FANUC panel has many functions and is difficult to master. Must remember the key name and function. Siemens is relatively easy, only three keys can be operated, the rest can be completed by the screen prompts.

In this actual use situation, the current domestic machining center imported CNC system market uses slightly more FANUC systems than Siemens. These two CNC systems can basically represent the highest level of currently imported CNC systems!

Keywords:

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