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Introduction to popular science about torsion springs
19 Oct 2021

A torsion spring is a mechanical part that uses elasticity to work. Generally made of spring steel. It is used to control the movement of parts, ease the impact or vibration, store energy, measure the size of the force, etc. It is widely used in computers, electronics, home appliances, cameras, instruments, doors, motorcycles, harvesters, automobiles, and other industries. The main equipment of the production equipment includes: digital control multi-function computer spring coiling machine, mechanical automatic spring coiling machine, spring grinding machine, heat treatment equipment, large-scale hot coil spring production line, and quality inspection equipment. Why can torsion springs be used in a wide range of fields? We can understand the working principle of torsion spring. In application, the bottom part of the torsion spring is often fixed to other places, which forms the phenomenon that other components rotate around the center of the torsion spring. Once the other components begin to rotate around the center of the spring, the spring quickly pulls the other components back to their original positions, which will form a rotational force that changes the generated rotational force into the required resistance. In this way, the torsion spring can fix a device in a static manner by storing or releasing this energy, and achieve the desired result. Of course, we can also find that the places of application are different, and the number of turns of the torsion spring is also different. Therefore, there is a lot of physics and mathematics involved. The number of turns required by the torsion spring is calculated by the resistance required to fix the device. Moreover, in the calculation process, the rotation direction of the torsion spring is designed according to the actual requirements of the application.

Treatment of compressione spring problems
11 Sep 2021

After the spring is formed, it generally needs to be subjected to low temperature stress removal annealing or blue treatment at 220 ~ 330 ℃, or according to the requirements of the operating conditions of the spring and the nature of the selected material, it needs to be hardened and tempered to improve the spring force. However, clamps should be used during the heat treatment of the spring to prevent the ring from shrinking and jamming with the shaft when working. Others, such as removing the corners of the two outer ends, radial burrs, etc., cannot be ignored. In the event of a spring with a tendency to bend, a coil of strips can be used to rub the tensioned spring along the longitudinal direction of the axis repeatedly until the surface is locally hardened. Spring is not in place, failure mode and reason: In actual work, we often encounter that the spring cannot push the moving object to the set position, which means that the calculated free length of the spring becomes shorter. The main reason is that there is no initial compression treatment, that is, a manufactured spring is compressed to its compression height or tight height (if necessary) with a relatively large force, and it cannot be restored to its original shape after being released. The free length of the operation. The amount of shortening is called "initial compression". Generally, after 3-6 times of compression, the length is no longer shortened, that is, the spring is "positioned". The spring undergoes permanent deformation after initial compression Precaution: In actual work, the compression spring should be able to maintain its working length even if it is subjected to a force beyond the elastic limit of the material. Therefore, the length of the finished spring should be equal to the calculated length of the spring plus the initial compression, which can prevent the spring from being out of place, so as to avoid dangerous stress when the coil is tightened, which may cause the spring indicator line to be abnormal and not in place. In the heat treatment process of the finished spring, especially the hardening and tempering process, the workpiece must be placed horizontally (horizontally) i

In August, the chairman went to various provinces for inspection
13 Jan 2021