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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

How Do Cnc Swiss Machines Work

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

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

About the technical characteristics and superiority of Jetta cars


The method of stepping on the clutch to slow down the vehicle will not only waste the energy of the engine, but also easily damage the transmission, especially the input bearing of the transmission. To know that the Jetta car transmission and differential should be checked for the lack of refrigerant in the air-conditioning system. Clogging of the air-conditioning radiator can also lead to insufficient cold air in the air-conditioning refrigeration system. In this case, remove the dirt on the radiator in time. Do not rinse with water when removing dirt, especially high-pressure water guns. The water gun can be cleaned with a washing machine, but pay attention to the impact on the painted surface. The degree of influence depends on the structure of the washing machine, the filtering state of the washing water, the types of cleaning agents and maintenance agents, and so on. If the paint surface is found to be darkened or scratched after cleaning, especially the scratches should be repaired in time to avoid rust. After the integral structure is damaged, it is troublesome and expensive to repair.

Do not store lighters and flammable and explosive items in the compartment when lLl fragile and easy-to-think products cause a fire and stop. These flammable and explosive materials can easily cause deflagration and cause fires in the sun and just after parking. It should be noted that when using the cigarette lighter, you must be careful not to cause fire damage due to temporary negligence even after the ignition switch is turned off. The cigarette lighter is still working when the ignition key is removed, so when you leave the car, you should check whether the cigarette lighter bounces back. Otherwise, the failed cigarette lighter will burn the entire car circuit.

Air-conditioning system If the air-conditioning system of the Jetta car can be used normally, its performance is superior to that of similar models. The air conditioner is an integrated air-conditioning system for refrigeration and heating, which ensures that the temperature in the car is always in an appropriate state, but the refrigeration system of the air-conditioning can work normally at the following two points, and the engine is running. The ambient temperature is higher than +2OC. The refrigeration system not only reduces the temperature inside the car. And can reduce the air humidity in the car to remove the fog generated on the windows of the high temperature outside the car. Generally speaking, after using the Jetta car for 3 or 4 years, it is a very normal phenomenon that there is insufficient air-conditioning or the failure of cold and hot.

At this time, the result of washing will cause the radiator to fall over. In severe cases, the radiator will be scrapped. The normal cleaning method is to blow with compressed air. In fact, when the summer comes, FAW-Volkswagen special service station will serve many Jetta users for free. Pinjieda’s ten-year history of use and maintenance. The clutch system of the Clutch Lined Brake Jetta is a maintenance-free clutch, so there is no need to adjust its design, which is reasonable in design, flexible in use and convenient in maintenance. However, you should also pay attention to the correct use when operating the clutch. For example, when the driver is driving normally, do not put his foot on the clutch pedal to avoid pressure friction between the release bearing and the pressure plate spring. Cause the clutch to slip. Many car owners use only 50,000 km to replace the clutch plates and pressure plates and other accessories, in fact, it is not the quality of the clutch plates.

The automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

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