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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

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

Elimination of Gear Backlash in CNC Machining Feed System

Elimination of Gear Backlash in CNC Machining Feed System   The transmission gear in the feed system of the CNC machining machine tool must eliminate the transmission gap between the meshing gears as much as possible, otherwise the motion will lag behind the command signal after each reversal of the feed system, which will affect the machining accuracy (accuracy) ). There are the following two common methods for CNC machining machine tools to eliminate the transmission gear gap.   1. Rigidity adjustment method   The rigid adjustment method is an adjustment method that cannot be automatically compensated for the tooth side clearance after adjustment. Therefore, the pitch tolerance and tooth thickness of the gear must be strictly controlled, otherwise the flexibility of the transmission will be affected. This adjustment method has a relatively simple structure and a better transmission rigidity.   (1) Eccentric shaft adjustment method   As shown in Figure 610, the gear 1 is mounted on th

Dongguan's plastic mold industry introduces 3D printing technology on a large scale

As an emerging technology, 3D printing has become a powerful tool for linking intelligent manufacturing. A few days ago, the Dongguan Municipal Bureau of Economy and Information Technology and the Dongguan Electronic Information Industry Association jointly organized a smart talent training event. At the event site, Dongguan Plastic Mould Company News released an industrial-grade 3D printer to serve Dongguan plastic mould enterprises.

 

Improve cooling efficiency and shorten casting cycle

 

"By analyzing the hot spots of the mold map provided by the customer, after finding the corresponding area that inhibits the mold cooling efficiency, the conformal waterway scheme is designed. After the customer confirms the design scheme, the layered software and production machine are imported. It is ready to 3D print plastic molds. This is the practical process of mass production of molds using 3D printing technology.

 

Compared with traditional production, the model efficiency and yield rate of using 3D printing technology to die machining are higher. Because the production of molds needs to be in special environments such as high temperatures, this has led to the phenomenon of uneven heating and high defect rates in traditional processing modes; now 3D printing technology is applied, and mold production can be evenly heated in all positions , Which directly improves the yield of products.

 

It is worth noting that the application of 3D printing technology can also shorten the cycle of mold molding. According to the traditional production model, only 100 molds can be produced in one hour; with 3D printing technology, the number of molds produced in one hour can reach as many as 1,000.

 

Using 3D printing technology, a 3D conformal waterway can be made inside the mold, which greatly improves the cooling efficiency and shortens the titanium investment casting cycle, which not only saves costs, but also improves the quality of products and enhances the competitiveness of enterprises. At present, this technology has been widely used in the stand casting mold industry in Europe, America and Japan.

 

According to the person in charge of the company, the customer requires a plastic machining cycle of 25s. Because the temperature of the PC material is relatively high, the cooling water path must be sufficient and uniform. 3D printing technology can perfectly solve this problem.

 

3D printing technology has a promising future

 

With the continuous development of 3D printing technology, it has been widely used in industrial vertical fields, so industrial applications will be the largest component of the cheap 3D printing market share.

 

As an international manufacturing city, Dongguan is driven by the continuous and rapid development of IT industry, precision machinery and other industries, and a number of hardware mold companies have emerged. Chang'an, Hengli and other places have also become important towns in the hardware mold industry in Dongguan. Relevant statistics show that every 100 million yuan in the mold industry can drive the development of about 10 billion yuan in related industries.

 

The combination of molds and 3D printing plans will have unexpected chemical reactions. One is an indispensable tool in modern industry, and the other is high-tech. The integration of the two will bring a qualitative leap for Dongguan's industry.

 

Dongguan is the main gathering place for the mold industry. Since the beginning of this year, more and more companies have started to launch 3D printing equipment. If 3D printing equipment is applied on a large scale in the future, it will subvert the production mode of Dongguan mold industry.

Copy right notice: This article comes from: https://cncmilling.ltd/

 


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