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...
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...
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...
The translation of cnc is called computer numerical control. Abbreviated as CNC in English. The automatic machine tool is digitally controlled by a computer. CNC includes CNC lathes, machining centers, CNC wire cutting, CNC punching machines, CNC laser cutting machines, etc. Many people mistakenly think that CNC is a CNC machining center, but this is actually wrong. So what is a cnc machining center?
The CNC machining center is a CNC boring and milling machine that integrates the functions of a CNC milling machine, a CNC boring machine, and a CNC drilling machine. It is equipped with a tool magazine and an automatic tool changer.
The CNC machining center is a highly automated multifunctional Cnc Machine tool with a tool magazine and automatic tool changer. After the workpiece is clamped on the machining center once, it can complete multiple processes with more than two surfaces, and has a variety of tool change or tool selection functions, which greatly improves the production efficiency.
Many people say that CNC machining centers and CNC machining centers are the same, but in fact they are different. What is the specific difference?
The CNC machining center is actually an upgraded version of the CNC milling machine. Compared with manual machining, CNC machining center has great advantages. For example, the parts produced by CNC machining are very accurate and repeatable; CNC machining can produce complex shapes that cannot be completed by manual machining. section.
CNC machining center is an efficient automatic machine tool that is composed of mechanical equipment and numerical control system, suitable for processing complex parts. Its comprehensive processing ability is strong, and more processing contents can be completed in one clamping of the workpiece. The CNC machining center is suitable for machining shaft parts, and the CNC machining center is suitable for adding box-shaped parts with more complicated parts geometry. Of course, CNC machining centers generally only have two axes and two linkage devices, while CNC machining centers have at least three axes. .
Materials that can be processed by CNC machining center:
Including pure metal materials, alloy materials, plastic materials, wood, etc.
Common CNC machining machine tools
Lathes, milling machines, drilling machines, etc. According to different processing complexity, it can be divided into three-axis, four-axis, five-axis machines, etc.,
effect:
The main purpose of CNC machining is to remove the excess parts of the raw materials to make them have appropriate shapes, such as circles, rectangles, etc. In the traditional method, these machines are operated by the operators of experts who operate these machines. Most jobs require accurate processing, and operators should have sufficient professional capabilities to perform precision processing.
Convenience:
In CNC machine tools, the role of the operator is minimized. The operator must only enter the instruction program in the computer, load the required tools into the machine, and the other work is done automatically by the computer. The computer instructs the machine tool to perform various machining operations according to the instruction program fed by the operator.
CNC machining center can also be understood as the following meaning: So, what does cnc machining center mean? Actually, it is CNC milling machine. It is called “CNC machining center” in Guangzhou, Jiangsu, Zhejiang and Shanghai. It is an automatic machine tool equipped with a program control system. (Numerical control machine tool) is a computer numerically controlled machine tool. (Computer numerical control) abbreviation, is an automatic machine tool controlled by a program. The control system can logically process programs with control codes or other symbolic instructions, and decode them by a computer, so that the machine tool can operate and process parts. The rough material is processed into semi-finished finished parts by cutting tools. CNC Machining (CNC Machining) CNC Machining refers to processing with CNC machining tools.
CNC index-controlled machine tools are programmed and controlled by CNC machining languages, usually G codes. The CNC machining G code language tells the Cartesian position coordinates of the machining tool of the CNC machine tool, and controls the feed speed and spindle speed of the tool, as well as the tool changer, coolant and other functions. Compared with manual machining, CNC machining has great advantages. For example, the parts produced by CNC machining are very accurate and repeatable; CNC machining can produce parts with complex shapes that cannot be completed by manual machining. Numerical control machining technology is now widely promoted. Most machining workshops have NC machining capabilities. The more common CNC machining methods in typical machining workshops include CNC milling, CNC turning, and CNC EDM wire cutting (electric discharge wire cutting).
The tools for CNC milling are called CNC milling machines or CNC machining centers. The lathe that performs numerical control turning processing is called a numerical control turning center. CNC machining G code can be programmed manually, but usually the machining workshop uses CAM (computer aided manufacturing) software to automatically read CAD (computer aided design) files and generate G code programs to control CNC machine tools.
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