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What errors may occur during CNC machining and CNC machining​?

 CNC machining and numerical control machining are a method to control the movement of machine tools and the production process of machining through computer digitization and information digitization. It is an intelligent numerical control device developed as an economical, high-speed, reliable, multi-functional, intelligent, and open structure. CNC machining is also an important indicator that can measure the continuous level and comprehensive ability of a safety technology, as well as the degree of modernization of related science and technology capabilities, especially in aviation, biology, medical and other high-tech cultural industries, and it is also a powerful indicator. reflect. So, what errors may occur during CNC machining and CNC machining? Let us understand together:   The use of approximate machining motion or approximate tool contours causes errors in the CNC principle of machining. The reason why it is called machining principle error is because of the error in machining


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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

Adopt post-treatment devices such as denitrification catalytic converter and particulate trap


How will the diesel engine oil requirements be tested in PC-10? Compared with the United States, Europe's diesel engine emission standards lag about two years, compared with European, United States, and Japan emission standards. Europe implemented the European emission standard in 1992 and implemented the European ó emission standard in 2000. Some changes have been made in the structure of diesel engines. Although the power is mainly increased, the emissions are not as close as the United States, but in order to reduce nitrogen oxides and reduce particulates. Emissions have taken measures such as delaying ignition and raising the top ring, which has gradually increased the amount of soot in the oil. Of course, improving power, adopting turbocharging, intercooling and complex electronic equipment is still the focus of improvement.

The response of European diesel engine manufacturers is not the same as that of the United States to adopt exhaust gas recycling. Of course, everyone considers diesel high-pressure injection and common rail, but other measures to improve emissions have their own considerations. Some use EGR (exhaust gas recirculation), so that the oil products are closer to the PC-9 in the United States, but some major automakers such as Mercedes-Benz do not use EGR, and use deoxidizing catalytic converters and particulate traps. The processing device will use low-S fuel and low-sulfur, low-phosphorus and low-ash lubricating oil, so how to develop it has to be tested. The development of Japanese diesel engine oil Japanese diesel engine oil mainly considers the characteristics of Japanese diesel engines, such as having an external filter device, which has not been linked to emissions for a long time. At present, 70% of them still use CD+ oil. Of course, Japan's emission requirements have always been much looser than those of Europe and the United States. It was not until 1998 that new specifications were considered to reduce nitrogen oxides and increase soot handling capacity.

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