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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 bett...

What are the rules for metal stamping die scrap tube?

The Purpose Standardize the management of the scrapping of the company's metal stamping dies, prevent the loss of company assets, and formulate this system specially. Scope of application It is suitable for the management of the company's scrap molds. Definition If the molds listed in the assets of the company fall under one of the following circumstances, the use management department may apply for scrapping. 1. Molds that exceed the specified service life. 2. The mold is severely damaged by accidents or accidents, and molds that cannot be repaired or have no repair value. 3. Metal stamping dies that have not reached the service life, but due to safety, quality, efficiency and other issues, the repair still fails to meet the minimum requirements of the customer's product process or affects the production safety and efficiency. 4. Product customers have stopped placing orders or have not placed orders for molds in several years. 4. Responsibilities 1. Responsibilities of th...

Introduction of KOVAR parts

KOVAR parts are commonly used as metal casing materials in the electronic packaging industry. Because they have a linear expansion coefficient close to that of molybdenum group glass, and can produce less sealing stress during the sealing (melting) process with molybdenum group glass, so To obtain good air-tightness, in order to make the metal tube and shell to achieve air-tight sealing, in the entire sealing process, the annealing process undoubtedly plays an important role as a link between the previous and the next. The internal stress generated during KOVAR  machining also prepares the material structure for the implementation of the subsequent process-the sealing process of the metal parts. The main purpose of annealing Kovar shell before sealing is to: (1) Eliminate machining stress. When Kovar undergoes plastic machining deformation during cold working, about 10% to 15% of the applied energy is converted into internal energy, which is commonly referred to as internal stre...

What details should be paid attention to in the processing of CNC lathe parts ​

In fact, what a workpiece can see is not only the strength of a manufacturer, but also its handling of some details.

For CNC lathe parts, if the cnc manufacturer does not handle it well, then this machining part is not acceptable.



What should the manufacturer pay attention to when cnc machining?

  • 1. The burr on the cost surface can be said to be easily overlooked by many manufacturers. Many people say what this part looks like when it comes out, and what it looks like when the finished product is packaged. In fact, for a part, the CNC lathe 5 axis cnc machining parts are completed by equipment, then the cloak will be produced during injection molding, and this burr is also produced at this time. If it is not trimmed in time, or the The parts are obsolete. Otherwise, it will affect other links during use.
  • 2. Accuracy of parts. For CNC lathe machining parts, its accuracy is very strict. It can only be used if it meets the required accuracy. The accuracy of the part is judged mainly by its control of the size. Ability, if it is within the tolerance that can fluctuate, then the part is qualified, if it is out of tolerance, then it is unqualified.
  • 3. Analysis of the test results. For china mfg component, it will inevitably undergo a performance test before it leaves the factory. If the performance is qualified, it will be shipped out. If it is not qualified, then it should be analyzed. In this way, it can also avoid mass scrapping. Manufacturers in the machining industry will basically deal with it in this way. They will make certain quality control charts based on the performance of many companies to analyze the reasons.

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