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
In summer, there are relatively more accidents caused by flat tires. Some citizens fill the tires of their cars with nitrogen to prevent flat tires. Is there any benefit to tire nitrogen filling? Can a flat tire be prevented? Tian Jinsheng, secretary-general of the Motorsports Association of this city, introduced that if conditions permit, it is possible to fill the tires of your car with nitrogen, which can prevent tire blowouts to a certain extent.
According to experts, there are certain benefits of filling car tires with nitrogen. Nitrogen is not easy to expand and contract with heat, and has a small deformation range. When the temperature rises, the air pressure in the tires will not increase significantly, and the normal tires can be maintained for a long time. It also reduces the tire vibration on the road and improves the stability of tire driving. In addition, nitrogen filling can also reduce the noise during driving. If conditions permit, car owners can consider filling the tires of their cars with nitrogen, especially for vehicles that often run at high speeds, run long distances, and often drive on poor roads. It is worth noting that when filling with nitrogen, the original air should be released, and it is not advisable to mix air and nitrogen together, otherwise it will not play its due role.
In addition to the method of nitrogen filling, to prevent the car from puncturing the tire, the vehicle should also be inspected regularly. After entering the summer, the tire pressure should be appropriately reduced to maintain a normal level of tire pressure. In addition, the entire tire should be inspected to observe whether the tire has bulges and hidden injuries. If there is any bulge, it should be replaced in time to prevent sudden puncture. Pay special attention to the situation of the front tire. On weekdays, you should pay attention to the wear of the tire pattern and the aging of the rubber. If you find that the wear of the pattern has reached the design limit, you should replace the tire in time.
If the front wheel of the vehicle suddenly punctures during driving, the vehicle will immediately deviate in the direction of the puncture. The owner should immediately turn on the hazard warning flasher, and at the same time hold the steering wheel firmly with both hands, release the accelerator, and do not step on the brakes, and wait for the vehicle to slow down. , Pull over and stop again. If there is a puncture on the rear wheel, as long as the vehicle is not at a particularly high speed, the vehicle will not deviate seriously. After turning on the hazard warning flasher, the owner can control the steering wheel and gently step on the brakes to stop the vehicle slowly. Down.
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