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How to prevent deformation during slow wire processing

 Slow-moving wire processing is a very exquisite and exquisite craft, and sufficient preparations need to be made, so that the processed products can be more quality. The slow-moving wire processing technology has a wide range of applications and is a must in our industries. If you want to do better with less technology, you must master all aspects of the processing knowledge. For example, the most common thing is the deformation during processing.  How can we solve it How to prevent deformation during slow wire processing Speaking of slow wire processing, it uses continuously moving fine metal wires as electrodes. Pulse spark discharge is performed on the workpiece, where it generates a high temperature above 6000 degrees. Moreover, if it wants to improve its quality problems and prevent its deformation, it can firstly start from the following aspects. 1. To prevent deformation, it is impossible for the material to have no internal stress. In particular, the internal stress of the que

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

What are the advantages of CNC machining of radiator parts?

For friends who have been in contact with the radiator component industry, they often see or hear "CNC machining", but too much exposure does not necessarily mean that many people understand. In fact, many questions are still about CNC machining. What are the advantages? Let's take a closer look. CNC machining is an index-controlled machine tool machining, which is a method of using digital information to control the machining process. Traditional mechanical processing is done manually by machine tools. During processing, the mechanical cutter is shaken to cut metal, and the accuracy is measured with calipers and other tools. However, traditional artificial intelligence processing is far from being able to meet the needs of production development. Therefore, the emergence of CNC machining provides the possibility for the standardization, precision and efficiency of mechanical product processing. The CNC machining process in the radiator component industry also shines. The

Three commonly used compensation methods for CNC machining and mold machining

1. CNC machining tool length compensation

The concept of tool length is an important concept. When programming a part, the programming center of the part must be specified first, and then the workpiece programming coordinate system can be established. It is just a workpiece coordinate system, and the zero point is generally on the workpiece. The length compensation of CNC machining is only related to the Z coordinate. It is not like the programmed zero point on the X and Y planes, because the tool is positioned by the spindle taper hole without changing, and the zero point of the Z coordinate is different. The length of each knife is different, for example, we have to drill a hole with a depth of 50 mm, and then click the tap with a depth of 45 mm, which has 250 mm and 350 mm taps respectively. At this time mm, the machine tool has set the workpiece zero point. When the mold processing is changed to tap tapping, if both tools are processed from the set zero point, the tap is too long, because it is longer than the drill, which will damage the tool and the workpiece.

2. Tool radius compensation

  • The concept of tool radius and compensation is just like using different tool path lengths as compensation. Basically, you don’t need to consider choosing the length of the tool yourself when programming. Because of the tool radius compensation, we can do it at the same time when programming. Did not consider too much tool diameter size. CNC machining tool length compensation is applicable to all tools, while tool radius compensation is generally only used for milling cutters.
  • Offset compensation: When the machining center is processing small workpieces, the fixture can accommodate multiple workpieces at a time. The programmer does not need to consider the zero point of each workpiece coordinate when programming, but program according to the respective programmed zero point, and then Use the fixture offset of CNC machining to move the programmed zero point on each workpiece of the machine tool. Just as tool length compensation and radius compensation allow programmers to cover tool length and size, fixture offset allows programmers to use fixture offsets regardless of the location of the workpiece fixture.

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