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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

The foundation of the anti-force roller test bench of the automobile is modified

Based on the traditional counter-force roller test bench used to measure cars without anti-lock brake system, it is modified. In order to increase the speed of the roller, the output shaft of the motor is directly connected to the roller shaft, and at the same time, the supporting wheel and the supporting wheel are set. It can be raised and lowered vertically along the guiding device. When pressed, the supporting wheel is driven to rotate by the wheel. After the measurement is completed, the restoring of the supporting wheel is realized by a spring.

Measuring parameters In this measuring device, measuring parameters mainly include four parts: wheel speed v body speed v, braking torque, load W. According to the working principle of ABS, the purpose of ABS is to automatically adjust the braking force of the brake to make the wheel slip rate S It is within the optimal range of 10% to make full use of the peak adhesion coefficient of the road surface and improve the braking effect of the car. Therefore, the wheel slip rate when the car is braking is an indispensable output parameter, but due to the slip rate S It cannot be obtained directly, but can only be obtained by calculating wheel speed and vehicle body speed. In order to obtain the ground braking force and ground adhesion coefficient of the car intuitively, the braking torque of the braking state must be measured; in addition, because the braking force detection technical requirements are based on the percentage of the axle braking force to the axle load, the total mass is different. It is a relatively objective standard for the automobile, therefore, the synchronous measurement of the automobile load is essential.

Adopt the sensor and its arrangement. Although the speed sensor can use a non-contact speed sensor for the body speed, it is costly and technically complicated. In order to reduce the cost of the test bench, the main drum linear speed (motor output speed) is used to approximately replace the body speed within the allowable range of error; The bench only needs to measure the wheel speed. The wheel speed sensor adopts a magnetoelectric sensor. The sensor gear mounted on the wheel shaft rotates with the wheel shaft, and the wheel speed sensor outputs an AC signal. The input amplifier circuit amplifies the AC signal into a rectangle. And send it to the arithmetic circuit after shaping. For automotive parts and parts machining, PTJ Shop offers the highest degree of OEM service with a basis of 10+ years experience serving the automotive industry. Our automotive precision shop and experts deliver confidence. We have perfected the art of producing large component volumes with complete JIT reliability, backed by the quality and long-term reliability our customers expect.

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