52/3/3 spring Germany durovis model 52/3/3 price

52/3/3 spring is an energy accumulator; it has the function of storing energy, but cannot release energy slowly. To achieve slow release, this function should be realized by a "spring + high transmission ratio mechanism", commonly seen in mechanical watches. Helical springs have been applied since ancient times; ancient bows and crossbows are two types of helical springs in a broad sense. According to appearance, they can be divided into ordinary cylindrical helical springs and variable-diameter helical springs (see figure); according to the direction of the helix, they can be divided into left-hand springs and right-hand springs. Cylindrical helical springs have a simple structure, are easy to manufacture, and are most widely used. Their characteristic line is a straight line, and they can serve as compression springs, extension springs, and torsion springs. When the load is large and radial dimensions are limited, two compression springs with different diameters can be nested together to form a combination spring. Variable-diameter helical springs include conical helical springs, volute helical springs, and concave helical springs. Conical helical springs have good buffering performance and can withstand large loads. Volute helical springs can store more energy and withstand larger loads, but the manufacturing process is relatively complex. The performance of concave helical springs is similar to that of conical helical springs, and they are mostly used for seat cushions and mattresses. The cross-sections of spring wire include circular and rectangular, with circular cross-section being the most common.

52/3/3 spring classification

1) According to the characteristics of the load during operation, helical springs can be divided into three types: compression, extension, and torsion; 2) According to structural characteristics, they can be divided into two major categories: cylindrical helical springs and variable-diameter helical springs; variable-diameter helical springs mainly bear compressive loads; 3) According to shape characteristics, they can be divided into conical, volute, concave, and convex shapes. 4) In production and use, helical springs can also be divided into two categories based on forming methods and material diameter sizes: large helical springs and small helical springs; the former are usually hot-formed, and the latter are cold-formed. 5) Other classifications: There are many types of helical springs. According to appearance, they can be divided into: ordinary cylindrical helical springs; variable-diameter helical springs. According to the direction of the helix, they can be divided into: left-hand springs; right-hand springs. Variable-diameter helical springs are divided into: conical helical springs, volute helical springs, and concave helical springs. Cylindrical helical springs have a simple structure, are easy to manufacture, and are most widely used. Their characteristic line is a straight line, and they can serve as compression springs, extension springs, and torsion springs. When the load is large and radial dimensions are limited, two compression springs with different diameters can be nested together to form a combination spring.

52/3/3 spring features

1) Precise adjustment performance. That is, the relationship between force and displacement is very sensitive; 2) Good flexibility, meaning the range of deformation is relatively wide; 3) Relatively easy to manufacture; 4) Compact structure; 5) High energy utilization rate. Example characteristics: Conical helical springs have good buffering performance and can withstand large loads. Volute helical springs can store more energy and withstand larger loads, but the manufacturing process is relatively complex. The performance of concave helical springs is similar to that of conical helical springs, and they are mostly used for seat cushions and mattresses. The cross-sections of spring wire include circular and rectangular, with circular cross-section being the most common. A helical torsion spring is a spring that bears torsional deformation, and its working part is also closely wound into a helical shape. The end structure of a torsion spring is processed into various shapes of torque arms, rather than hooks or loops. Torsion springs are commonly used in balancing mechanisms in machinery and are widely applied in industrial production such as automobiles, machine tools, and electrical appliances.

52/3/3 spring functions and applications

Functions: 1) Measurement function. We know that within the elastic limit, the extension (or contraction) of a spring is proportional to the external force. Spring scales are made using this property of springs. 2) Clamping function. Observing various electrical switches reveals that one of the two contacts of a switch must be equipped with a spring to ensure tight contact between the two contacts for good conductivity. If contact is poor, the resistance at the contact point increases, generating more heat when current passes through, which can seriously cause the metal at the contact point to melt. The two metal pins of bayonet lamp holders are also equipped with springs to ensure good contact; the center metal piece of screw-type lamp holders and all contact metal pieces of sockets are spring leaves, whose function is to ensure tight contact between both sides to maintain good conductivity. In cassette tapes, there is a phosphor bronze spring leaf that uses the elastic force generated by its bending deformation to keep the magnetic head in close contact with the tape. In staplers, there is a long helical spring whose function is, on one hand, to press the staples tightly, and on the other hand, to feed the subsequent staples to the front after the foremost staple is ejected, so that staples can be automatically pushed to the front one by one until all are ejected. Many machines' automatic feeding systems and the automatic chambering of bullets in automatic rifles rely on this function of springs. In addition, clothespins, ballpoint pens, and clips on pen caps utilize the clamping function of springs to attach to clothes. Applications: 1) Bearing vehicle body weight, meaning that most of the vehicle's weight is normally borne by the springs. 2) Reducing road bumps. Helical springs are buffering elements. When the impact force from the road surface is transmitted to the helical spring via the wheels, the helical spring deforms, absorbing the kinetic energy of the wheels and converting it into potential energy of the helical spring, thereby mitigating the impact of ground shocks on the vehicle body. However, the helical spring itself does not consume energy; the spring storing potential energy will return to its original shape, converting the potential energy back into kinetic energy. If springs are used alone without damping elements, some light vehicles would bounce up and down continuously like acrobats on a trampoline after a single impact. In automobile manufacturing, independent suspension axles are split into two sections, with each wheel independently mounted under the frame by a helical spring. When one wheel bounces, the other wheel is unaffected, allowing both wheels to move independently, improving the vehicle's stability and comfort.

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