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
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
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
We sometimes encounter some special-shaped workpiece to be processed, the edge of the workpiece is curve, no straight line.
In the first process of numerical control processing, this will not have an impact on our processing, but to the back of the process processing, irregular shape will let us in the workpiece points encountered trouble, so that the processing can not be normal down.
Even sometimes due to temporary process changes, the workpiece that has been processed in the first process may be scrapped, which wastes a lot of resources. Therefore, it is a very important part of the process to have a foresight of the process planning.
For example, in the workpiece machining in the figure above, because the workpiece is surrounded by curves, the only feature that can be used as the origin of the coordinate of the workpiece is the hole.
We want to choose a hole as the origin of the workpiece coordinates, the hole had better be the original existence of the workpiece, so that there will be no additional cost of more processing time; Hole processing is best to use the existing tool, which will reduce the cost of the tool; It is important that the position of the hole be accurate after the first process is completed.
After comprehensive consideration, we chose the hole in the lower right corner of the workpiece as the origin of the coordinate of the workpiece.
After the completion of the first processing procedure, due to the shape of the workpiece, we processed a slightly larger clamp in the soft clamp according to the shape of the workpiece, so as to better hold the workpiece. According to the design of the process, we need to find the center of this hole, which can be used as the origin of our workpiece coordinates.
The diameter of the machining hole and the requirement of position precision are not suitable for the use of edge finder, so we choose the calibration table to find the center of the hole.
The tools above all serve the same purpose — to find the center of the hole.
Although the installation of the calibration meter is different, the basic principle of operation is the same. In the following video, you can learn not only the details of how to do it, but also the good practices that will help you in your work.
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