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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


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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

Analysis of electric car maintenance in summer

In summer, you must give your car “an extra layer of protection”. We all know that summer not only rains a lot, but also the temperature is high. Electric cars are basically similar to traditional cars except that the power system is powered by batteries. If you want to maintain the beauty of electric cars, have good performance, and the safety of driving and riding, they cannot do without regular maintenance. .
Professional nursing in time
Car interior care is indispensable, and it can clean the usual sanitary corners such as the air outlet of the car interior and the corner of the seat. You can also go to an auto beauty shop to clean up the interior of the car. Use steam, ultraviolet, photocatalyst and other high-temperature disinfection methods to keep the interior of the car dry and clean.
Desiccant, bamboo charcoal, essential
In order to prevent the car from suffering from “rheumatism”, the owner can prepare a few more dehumidifiers or dehumidifier boxes in the compartment or the back luggage compartment where moisture is easy to accumulate, and pay attention to regular inspection and replacement, and dehumidify the car. Moisture-proof. When not in the car, use desiccant to replace the air conditioner to dehumidify. It is better to buy a simple dehumidification box and place it in the corners, so that the parts in the car will not be easily damp after overnight. Lime and bamboo charcoal also have the function of dehumidification. In addition, rolling old newspapers into a bundle and placing them on the front and rear foot pads or in the trunk also has the same dehumidification effect.
can’t forget to wash the car and clean the chassis
Electric vehicles should be cleaned in accordance with normal car washing methods. During the cleaning process, care should be taken to prevent water from flowing into the charging socket of the vehicle body and avoid short circuit of the body line. In a cool place, wait until the body temperature drops below 40 degrees Celsius before cleaning. Use a water pipe to wash away loose dirt; use a neutral car wash to clean the vehicle. The mixing of the cleaning agent should be carried out according to the manufacturer’s instructions. Use a soft cloth soaked in the cleaning solution, and do not wipe it hard to avoid damage to the paint. Experts recommend washing cars as often as possible during the rainy season, because the acidic substances in the rain water have a strong corrosive effect on the paint surface of the car. If it is not handled in time, the paint surface of the car will lose its luster over time. The most effective way to protect the paint surface of the car body is to wax and seal the glaze to prevent the paint surface from fading and aging.
After heavy rain, the bottom of the car should be cleaned in time. Otherwise, sludge may accumulate on the side of the wheel cavity and the chassis of the vehicle. This will easily make moisture trapped in it and cause rust, and the wheel cavity may even be loose and perforated. Therefore, we must pay attention to the cleaning and anti-rust treatment of the car chassis. In addition, be careful not to wash the body and chassis with alkaline cleaning fluid.
“Sunbathe” for the car
Sunlight contains ultraviolet, infrared and visible light. Like people, cars also like to sunbathe, especially in the rainy and humid seasons. The sun-heated car body will quickly remove the accumulated water vapor inside. The weather turns fine, so take time to sunbathe your car. In addition, car carpets, cushions and other cotton and linen products are more susceptible to damp and mildew, and breed bacteria. Therefore, it is best for car owners to dry these items or replace them regularly. You can also choose a sunny day, try to clean the interior of the car with a neutral detergent, open all doors and windows, and use sunlight and ventilation to achieve the disinfection effect.
But to prevent exposure to the sun, it is strictly forbidden for electric vehicles to be exposed to the sun. An excessively high temperature environment will increase the internal pressure of the battery, causing the battery to lose water, causing the battery to decrease in activity and accelerating the aging of the electrode plate.
Pay attention to the deviation of the car
In rainy days, the brake system is also prone to water, which makes the brakes lag, causing accidents when the car runs off during braking. If water enters the brake system, after the rain stops, you can lightly brake with your left foot and step on the accelerator with your right foot. The friction between the brake pad and the brake disc will evaporate the water to ensure driving safety. At the same time, we must remove the stones and gravel on the tires in time after the rain. Everyone knows that the tread pattern of the tires also has the function of draining water. These things attach to the tires and make the tires insufficient displacement.
Check the air pressure often
Keep the tire pressure at the correct tire pressure; check the tire pressure every two weeks or at least every month; incorrect tire pressure will cause power consumption, short driving distance, reduce driving comfort, reduce tire life and reduce driving safety sex.
Periodic inspection
In the course of use, if the continuation of the electric vehicle suddenly drops more than ten kilometers in a short period of time, it is very likely that there is a problem with only one battery in the battery pack. At this time, you should go to the sales center or agent maintenance department for inspection, repair or assembly in time. This can relatively extend the life of the battery pack and save your expenses to the greatest extent.
Avoid high current discharge
When the electric vehicle starts, carries people, or goes uphill, try to avoid slamming and accelerating, which will form an instantaneous large current discharge. High current discharge will easily lead to lead sulfate crystals, which will damage the physical properties of the battery plates.
Avoid plug heating during charging
220 volt power plug or charger output plug loose, contact surface oxidation, etc. will cause the plug to heat up. Excessive heating time will cause the plug to short circuit or poor contact, damage the charger and battery, and bring you unnecessary losses. Therefore, in the above situation, the oxide should be removed or the connector should be replaced in time.

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