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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

A small inventory of thread cutting methods

In actual processing, the types of threads generally include: ordinary single thread, trapezoidal thread, special thread, special-shaped thread, etc. Among them, ordinary threads are the most widely used. Coarse threads are mostly used for connection, while fine threads are used for the connection of thin-walled parts or parts subject to variable load, vibration and impact load, and can also be used for mechanism fine-tuning. When machining ordinary threads, it is necessary to pay attention to the need for multiple cycle feeds during cutting, and the cutting depth must be reduced in accordance with a certain proportion each time.plastic machining

 If the cutting depth of each tool is the same, the force on the cutting edges on both sides of the thread turning tool will increase sharply as the material removal rate increases, resulting in a decrease in thread accuracy and tool damage. In the competition, internal threads and external threads are relatively common, and the processing is generally less difficult. The main attention should be paid to the calculation of the bottom of the thread.


Compared with ordinary threads, trapezoidal threads have longer length, larger pitch, deeper cutting depth, greater cutting force, higher precision requirements, and greater processing difficulties. The thread cutting methods of CNC lathes generally include: straight approach, oblique approach, staggered cutting, and grooving rough CNC cutting.



(1) Straight forward method. Refers to when the lathe is cutting, the Z-direction does not change when the linear motion is performed, and the X-direction feeds a cutting depth in stages. It is characterized by convenience, quickness, and high efficiency. Generally, ordinary threads with a small pitch can be used. However, because the two edges of the turning tool are cutting at the same time, the chip removal is not smooth, and the force is large, the cnc turning tool is easy to wear, and the chips will scratch the thread surface.



(2) Inclined method. It refers to the Z-direction feed and the X-direction also has linkage, forming a diagonal feed mode. At this time, the thread turning tool always has only one cutting edge to participate in the cutting, the chip removal is smoother, and the force and heat are less than the straight forward method. But when the thread depth is deep and the pitch is large, the phenomenon of knife sticking is easy to occur.



(3) Staggered cutting method. The thread turning tools are staggered in the direction parallel to the left and right side of the thread, respectively, until the bottom of the thread. It is very suitable for large thread cutting, but the programming is more complicated.
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(4) Grooving rough cutting method. First, use a grooving tool smaller than the width of the thread turning tool head to rough cut a groove, and then use the thread turning tool for thread processing. Large-pitch threads are often used, but the operation and programming are extremely cumbersome.

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