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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

The relationship between the main parameters of bearing temperature rise and oil-air lubrication

In high-speed machining, the thermal characteristics of the electric spindle is a main factor that affects the machining accuracy, and directly affects the increase in the speed of the electric spindle.In the temperature rise of the electric spindle unit, the bearing temperature rise is an extremely important part.The temperature rise and temperature distribution of the bearing have a great influence on the performance of the bearing. It will affect the assembly of the bearing, the working clearance of the bearing, and the performance of the lubricant.An increase in temperature will worsen the lubrication state of the bearing, leading to premature bearing failure.Therefore, the thermal analysis of the bearing system can help us choose and use the bearing reasonably, and can provide a basis for the failure and failure analysis of the bearing system.
At present, the electric shaft usually adopts precision angular contact bearings that are suitable for high speed and can bear radial and axial loads at the same time.The test shows that the three main parameters of the oil-air lubrication system (kinematic viscosity of lubricating oil, compressed air pressure, compressed air flow) affect the temperature rise of precision angular contact bearings, and the following conclusions are drawn:
The viscosity of lubricating oil affects the temperature rise of the bearing through the internal friction and heating of the bearing. With the increase of the viscosity, the temperature rise of the bearing will increase, and this trend is more obvious in the high-speed section, but as the viscosity further increases, the bearing temperature rises. The ascending gradient shows a decreasing trend.The flow and pressure of the compressed air affect the temperature rise of the bearing through the convection heat of the compressed air and the bearing. Within the compressed air pressure range, the temperature rise of the bearing decreases with the increase of the pressure, but this trend is not very obvious.Increasing the compressed air flow can reduce the temperature rise of the bearing, and as the speed increases, the cooling effect will become more and more obvious.

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