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Working principle of slow wire processing

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 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
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How Do Cnc Swiss Machines Work

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How Do Cnc Swiss Machines Work Save 0 What Is Swiss Machine –The full name of the walking CNC lathe, it can also be called the spindle box mobile CNC automatic lathe, the economical turning and milling compound machine tool or the slitting lathe. It belongs to precision machining equipment, which can complete compound  machining such as turning, milling, drilling, boring, tapping, and engraving at one time. It is mainly used for batch  machining of precision hardware and special-shaped shafts. This machine tool first originated in Germany and Switzerland. In the early stage, it was mainly used for precision machining of military equipment. With the continuous development and expansion of industrialization, due to the urgent needs of the market, it was gradually applied to the  machining of civilian products; the development of similar machine tools in Japan and South Korea Earlier than China, it was mainly used in the military industry in the early days. After the war, it was gradually
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Spring Design Attention And Roll Forming Method

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Spring Design Attention And Roll Forming Method The coiling characteristics and methods of springs are divided into cold coiling method and hot coiling method. Cold winding method: When the diameter of the spring wire is less than 8mm, the cold winding method is adopted. High-quality carbon spring steel wire is usually first cold drawn and then heat treated. After winding, it is generally not quenched, but only tempered at low temperature to eliminate the internal stress during winding. Hot-rolling method: Springs with larger diameter (>8mm) spring wire should use hot-rolling method. Hot rolled springs must be quenched and tempered at medium temperature. The Design Process Of Various Springs ·          Installation space: When designing a  compression spring , it is necessary to have a clear understanding of the space required for the installation of the spring, in order to effectively grasp the basic manufacturing conditions of the compression spring, including the outer diam
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What are the rules for metal stamping die scrap tube?

cncmachining December 17, 2020

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 the sales department: make statistics on the tool life data.
  • 2. The sales (marketing) department is responsible for the information reception of scrap molds and customers, and the transmission of internal information.
  • 3. The marketing department is responsible for applying to customers for reopening of mold funds for molds that have exceeded the specified service life.
  • 4. The production department is responsible for the storage and maintenance of the company's molds; responsible for the current status of the molds, and those who meet one of the conditions in the definition of scrap can submit scrap applications; responsible for taking pictures of scrapped molds and collecting evidence; responsible for handing over scrapped molds and customer documents and customers receiving scrapped molds Take pictures of the scene for evidence.
  • 5. Responsibilities of the engineering department. The engineering department evaluates the metal stamping dies that need to be scrapped due to other reasons because the mold has not reached the end of its service life, and determines whether it needs to be reopened.

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