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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...

Improve diesel technology to ensure better environmental protection

Now Bosch Automotive Diesel System employees have as an important method to reduce energy consumption, especially for road traffic energy consumption. Bosch Automotive Diesel technology can be applied to light-duty passenger vehicles and heavy-duty commercial vehicles. Bosch Automotive Diesel Systems provides a basic solution to meet the development goals of the Chinese automotive industry. Compared with other gasoline engines of similar power, the economy of Bosch modern diesel technology diesel vehicles has a fuel saving rate of more than 30%. It is estimated that the annual fuel consumption of an ordinary passenger car in China is around. If the fuel consumption is saved by converting to a diesel engine, then only one passenger car can save fuel every year based on the number of passenger car registrations in China in the year of Yizheng. If these newly registered vehicles are diesel cars, Approximately tons of oil can be saved.

The functional diesel engine of    diesel vehicles has superior performance compared with other powertrain vehicles. Compared with gasoline vehicles, high-torque diesel vehicles can provide better acceleration and driving conditions. At the same time, it can also keep the diesel vehicle in the best condition when towing heavy loads. In Europe, high-performance diesel vehicles account for the environmental protection of diesel vehicles in all sales of medium-sized vehicles. China will implement emission standards. In large cities such as Shanghai and Beijing, its implementation will be earlier. Bosch’s high-pressure direct injection system, common rail system and pump nozzle system, coupled with diesel particulate traps, can meet this standard. Generally speaking, compared with other gasoline engines, diesel engines emit less carbon dioxide tail gas and reduce their impact on global thermal effects. Bosch’s innovation in diesel injection systems has a history of more than 78 years. Bosch diesel system is a proven, effective technology that is waiting to be widely used. It can help reduce fuel consumption, improve energy security, and reduce pollution. Bosch is at the forefront of providing injection systems, reducing fuel consumption, and improving emission control technology. Bosch is constantly improving its diesel technology to ensure that it provides better environmental protection. For 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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