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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

Minimal lubrication processing helps increase cutting speed

The cutting tool cuts the metal by breaking the metal layer.The fracture of the metal layer means that the external force destroys the metal structure and at the same time releases the internal energy of the metal in the form of heat.During cutting, on the one hand, the chips transfer the heat of the crack to the surface of the cutting tool. On the other hand, the chips are pressed into contact with the cutting tool by bending stress and move relatively quickly to generate frictional heat. The combined reasons make the cutting tool and the metal surface The temperature rises rapidly.During the cutting process, the high-heat solid metal will be rapidly cooled by the quenching effect of the cutting fluid to produce a quenching effect, which destroys the crystal phase structure. At the same time, the molecular dislocation in the crystal phase increases, making the metal hard and fragile at the same time .When the cutting tool finishes cutting and leaves the workpiece, the hot tip will contact the coolant to produce a “quenching reaction” that makes the cutting tool hard and fragile, especially the coated cutting tool, which affects the life of the cutting tool.Since the intensity of the quenching effect is proportional to the temperature difference, increasing the cutting speed will make the cutting tool higher temperature, and the strong quenching reaction produced by the greater temperature difference will further reduce the life of the cutting tool.This is why the higher the cutting speed, the shorter the life of the cutting tool.

During micro-lubrication processing, the lubricant is sprayed onto the machined surface in the form of mist particles, which will not produce quenching or quenching effect. Moreover, when the cutting speed is increased, the cutting fracture point of the workpiece will appear in advance, and the heat source of the fracture point will be far away from the knife. tip.Since the heat is all concentrated on the workpiece and chips,
The heat source of the cutting tool is only a small part of the heat conduction and friction at the contact point of the chip. Increasing the cutting speed will cause the chip to bend and leave the workpiece and cutting tool at a faster speed, effectively reducing the time for the chip to conduct heat.The high temperature remaining on the workpiece can soften the surface of the workpiece and make the cutting tool easier to cut.Therefore, in general, micro-lubrication processing is suitable for increasing the cutting speed.

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