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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

Selection of LED light drive power

Selection of LED light drive power

The choice of LED lamp power supply is mainly considered from the output voltage, output current, and corresponding power wattage of the power supply. LED power supply generally has two types of constant current source output and constant voltage source output. First, for the LED power supply output by constant current source, we mainly consider its output voltage. For LED power drivers that output the same current, its output voltage It is also different, so when choosing a constant current LED power supply, it should be consistent with the working voltage of the LED lamp. For example, for a constant current LED power supply with a rated current of 200 mA to 300 mA, its output voltage is between 9V and 13V. The range between 10V and 25V, the range between 24V and 42V, the range between 45V and 63V, etc., so we choose this power supply to consider its output voltage range.

 

   Similarly, for the constant voltage source LED power driver, under the same output voltage, its output current is also different, so when we choose LED power supply, we need to consider its output voltage or current according to different types of LED power supply. . In addition, the power range of the LED power supply should also be considered. If the power range is selected incorrectly, the LED lamp beads will be burned, or the LED lamp will flicker.

 

   For simple LED lamps, it is often used to reduce the voltage through a simple RC resistance-capacitor step-down link, and then arrange it through a diode and add a suitable current-limiting resistor to drive about a dozen high-brightness LED lamp beads. Yes, the lamp beads here can be connected in parallel or in series, but the current limiting resistor must be selected well. For example, the mini LED desk lamp I made before is a power supply formed by this method. I used 12 LED lamp beads in parallel, and used a 2.4 ohm two-watt resistor as the current limiting resistor, and the effect was very good.

 

The LED light has high brightness and saves electricity. Now in order to make LED lights more humane, we can also choose LED power supply with dimming function, such as LED dimming power supply using thyristor, which has high adjustment accuracy and efficiency. If you need to install in a small space, you can choose this LED power supply with dimming function.

 

Some LED power supplies with dimming function are made of MOS tubes, which are also called MOSFET dimmers. It can not only control the on and off of LED lights, but also control the LED lights. Like the LED dimmable power supply made of silicon, the phenomenon of invisible lighting occurs. This kind of LED dimmable power supply can be selected for a single LED lighting lamp or occasions with a small load.

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