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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

Helmet

Helmet  (Device To Protect The Head)

Helmet is a device to protect the head, a hat worn by soldiers during training and combat, and an indispensable tool in people's traffic. Divided into military helmets, police helmets and civilian helmets. It is mostly semi-circular, mainly composed of three parts: shell, lining and suspension device. The shells are made of special steel, glass fiber reinforced plastic, reinforced plastic, leather, nylon and other materials to resist head damage from warheads, shrapnel and other striking objects.

Constitute
Modern helmets are mainly composed of helmet shell, lining and suspension system. Due to the different requirements for various activities, there are many helmet structures and styles.

Generally, the shell of the helmet is made of high-strength materials, such as metal, engineering plastics, Kevlar FABRIC, etc., through its deformation to absorb most of the impact; the lining material is sweat-absorbing, warm-keeping, and shock-absorbing Functional, military helmets often have the function of further reducing the impact and preventing shell fragments from hurting the head; the suspension system is the part between the shell and the inner lining, which can usually be adjusted to suit different wearers. The difference in head shape.

Some special-purpose helmets are also equipped with earphones, microphones, and sockets for additional equipment such as cameras and lighting flashlights.

Application
Helmets are used in military, construction, mining and some sports, such as American football, cycling, baseball, skiing, ice hockey, horse racing, equestrianism, sports, racing, locomotives, etc.

How to wear a helmet

The helmet should be worn horizontally, not tilting forward or backward. Some riders think that the front brim of the helmet is a bit blocking the line of sight, so they raise the helmet a lot to get a good line of sight. In fact, the brim can be removed to achieve the effect.

  

The correct helmet to wear is as follows:
Pay attention to the red and green dots on the picture. This is very important. The correct wearing of the helmet is the thickness of one finger of the helmet adjustment strap that crosses the ear (red dot), about 1.5 cm.
The entire strap is fixed on the lower jaw (green dot) instead of the throat, and the thickness of a finger is also left, about 1.5 cm.

 

Tips

1. The lighter the helmet, the better
Relatively speaking, the lighter the helmet, the better. But the lighter the riding helmet, the smaller the chance that it will pass the national safety certification test standards, and the higher the relative price. Therefore, the prerequisite for choosing a helmet is to pass the national safety certification test standard. Most helmets above 200 yuan can achieve about 260G. This weight will not make you tired even for a long distance, so don't care too much about the weight index of the helmet. Unless you are for a bicycle race. Try to reduce your own weight, otherwise, it is not worth the extra silver to buy an ultra-lightweight helmet.

2. The bigger or more holes in the helmet, the more windy the helmet
Breathability is the key to the helmet, which can keep your head dry during long-distance riding. The more or larger the ventilation holes on the helmet, the greater the airflow around your head, and the cooler you will feel. However, please keep in mind that the more or larger the ventilation holes on the helmet, the more exposed your head will be, so the degree of protection will be reduced accordingly. Compared with mountain bike helmets, road bike helmets have more or larger ventilation holes. Similarly, road bikers have to consider the weight of their helmets more than mountain bikers. Generally speaking, the lighter the helmet, the more expensive it is. Therefore, unless you are doing a bicycle race, you should reduce your own weight as much as possible, otherwise, it is not worth the extra money to buy an ultra-lightweight bicycle helmet.

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