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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

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

TI TPS65266RHBR

# TPS65266RHBR TI TPS65266RHBR New Switching Voltage Regulators 2.7Vto6.5V InputV3A 2A/2A Output Cur Syn , TPS65266RHBR pictures, TPS65266RHBR price, #TPS65266RHBR supplier ------------------------------------------------------------------- Email: [email protected] https://www.slw-ele.com/tps65266rhbr.html ------------------------------------------------------------------- Manufacturer: Texas Instrument s  Product Category: Switching Voltage Regulator s  RoHS:  Details   Mounting Style: SMD/SMT  Package / Case: VQFN -32  Output Voltage: Adjustable  Output Current: 2 A, 3 A  Number of Outputs: 3 Output  Input Voltage MAX: 6.5 V  Topology: Buck  Input Voltage MIN: 2.7 V  Switching Frequency : 1 MHz  Minimum Operating Temperature: - 40 C  Maxim um Operating Temperature: + 85 C  Series: TPS65266  Packaging: Cut Tape  Packaging: MouseReel  Packaging: Reel Switching Voltage Regulators 2.7Vto6.5V InputV3A 2A/2A Output Cur Syn

Use gasoline engine fuel direct injection technology, use computer to control air-fuel ratio

 

Current research status of gasoline engine oil at home and abroad. To meet the needs of automobile emission performance, the technology to control automobile exhaust emissions can only control the emissions of gasoline engines within the scope of increasingly stringent regulations by combining in-flight purification and external purification. The external purification** is a three-way catalytic converter. It requires re-adjusting the formula of engine oil to control the phosphorus content, reduce catalyst poisoning, and extend the service life of the catalytic converter. To meet the needs of automobile fuel economy, in addition to improving the anti-friction properties of engine oils, low-viscosity grades of multi-grade oils should also be vigorously developed to improve energy-saving effects. But the viscosity is low, the engine oil consumption increases, the engine oil is easy to volatilize and cause abrasion. This requires the base oil to be light, and the evaporation loss is small, the high temperature and high shear viscosity cannot be too small, and the oxidation stability is better. Meet the need for longer and longer oil change periods.

In order to adapt to the improvement of thermal efficiency, specific power and other power performance, the main measures are to adopt gasoline engine fuel direct injection technology, and use computer to control air-fuel ratio, so that combustion is complete, emissions are improved, and the pulse boosting technology with high charging efficiency is also in electronically controlled direct injection gasoline engines. It can be applied to the gasoline engine, which unifies the power, emission and economy of the gasoline engine. However, this also increases the temperature of gasoline engine combustion chambers and other parts, and causes many problems such as high temperature deposition, high temperature oxidation resistance, high temperature detergency and high temperature wear. European gasoline cars have higher requirements for the quality of lubricating oil than American gasoline cars, forming a unified European social refueling minimum quality gasoline engine oil specification, which is suitable for various vehicles used in Europe. Automobile manufacturing companies can add some additional assessment items on this basis. A number of the company's assessment projects have formulated the company's ex-factory refueling and oil specifications, but the corporate standards must be higher than the European unified standards. Simulation performance test European countries have paid more attention to simulation performance test. The following test items are set in the standard: high temperature and high shear viscosity. Regarding the simulation performance test, only the -> grade oil specification began to pay attention, and the European standards have always paid more attention.

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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