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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 bett...

What are the rules for metal stamping die scrap tube?

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...

Introduction of KOVAR parts

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...

Summer car air conditioning maintenance method

Summer is here, and the car air conditioner is the owner's intimate partner, but if you don't understand it and don't maintain it properly, this intimate partner will often play anger and even hurt the owner's body. And the car air conditioner is easy to be damaged during the peak period*, so we must pay attention to the reasonable use of the car air conditioner, and do a good job in the maintenance of the car air conditioner.

Comprehensively check the air conditioner When you use the air conditioner for the first time in summer, you should check the air conditioner system first. For example, check whether the refrigerant fluid and the air conditioner filter element are dirty through the liquid storage tank, and whether there is foreign matter on the radiator.

Pay attention to the cleaning of the air conditioner. Don't wait until the air conditioner is not effective before you think about cleaning the air conditioner. The air conditioner filter should be replaced regularly, because there are more dust in the spring of Zhengzhou and the catkins will fly. These will stick to the filter, which is easy. Bacteria grow and the air conditioner produces a musty smell, so it is best to replace it once a year after spring. In addition, the condenser must be cleaned regularly, and the water tank must be removed for thorough cleaning.

After parking, do not turn off the air conditioner. Generally, car owners turn off the air conditioner and door and leave directly after arriving at the destination. In the hot summer, the huge temperature difference between the inside and outside of the car will cause the air-conditioning system to become moldy, which in turn breeds mold. Therefore, the car owner should turn off the air conditioner a few minutes before arriving at the destination, and turn on the natural wind, so that the temperature in the air-conditioning duct will rise, eliminate the temperature difference with the outside, so as to keep the air-conditioning system relatively dry and avoid mold growth.

Regularly open high air volume Some car owners do not like the noise made when the air conditioner is turned on to high gear, so they rarely or never turn on the air conditioner to high air volume. However, when the air conditioner is in use, a lot of dust will be sucked in. Regular high wind can blow out the floating dust on the inner surface of the air duct of the air conditioner. This is a simple way to keep the air conditioner clean. In addition, a dedicated air duct cleaning fluid should be used for sterilization, cleaning and deodorization.

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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