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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

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

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

The key technology that needs to be solved in the MQL micro-lubrication processing of gear hobbing

<strong>(1) </strong><strong>High hobbing speed</strong><br /> Generally, in the dry hobbing process, the line speed of the high-speed steel hob of the coating (TiAlN) is required It can reach 180m/min or even higher; the linear speed of the hard alloy steel hob is required to reach 300 m/min. In order to realize this kind of high-speed hobbing processing, the tool spindle can generally be realized by an electric spindle; for the worktable, a newly designed gear transmission system with automatic clearance elimination is used to replace the traditional worm and worm gear transmission system, LIEBHERR, GLEASON The worktables of high-speed gear hobbing machines of other companies have adopted torque servo motor technology, and the worktable speed can reach more than 800 r/min. <br /> <strong>(2) </strong><strong>Quick separation of chips</strong><br /> Due to the high temperature, if the chips cannot be quickly separated from the tool, workpiece and machine tool, it will easily cause thermal deformation and affect Machining accuracy, so iron filings must be removed quickly and effectively. In dry hobbing, the high-speed hobbing of the hob is generally used to make the iron filings quickly leave the tool and the workpiece. Many companies have also put forward some machine tool structural improvements in response to the chip removal problem, such as using gravity to speed up the removal of iron filings, and avoiding the iron filings from directly falling on the workbench, and then assisting with high-pressure cold air to achieve rapid and effective chip removal. Some companies also use stainless steel heat shields. On the one hand, the surface of stainless steel is smooth, which facilitates the removal of iron filings. On the other hand, the heat conductivity of stainless steel is small, which reduces the heat transfer of iron filings to the workbench and bed. <br /> <strong>(3) </strong><strong>High-speed hob</strong><br /> The hob material for dry hobbing adopts cemented carbide steel in the early stage of development, but due to cemented carbide Steel hobs are expensive. The powder metallurgy high-speed steel hobs and TiAlN-coated high-speed steel hobs developed in recent years have a tendency to replace hard alloy steel hobs for dry hobbing. In a research report, Liebherr Company has performed the processing of hard alloy hob (Carbide) dry hob, powder metallurgy high-speed steel hob (HSS-PM) and conventional high-speed rigid hob (Conv.HSS). The time and processing cost are compared. Comparative analysis results show that, compared with conventional machining, dry hobbing has shorter processing time and lower cost; the use of powder metallurgy high-speed steel hobs even has better dry hobbing results than the use of cemented carbide steel hobs . <br />

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