05/8/1 Spring Germany durovis Model 05/8/1 Price

05/8/1 spring consists of a tension spring and a connecting spring. The pitch and helix direction of the tension spring and the connecting spring are identical. A dedicated fixture is used to clamp one end of the tension spring and screw it into the connecting spring. The other end of the tension spring is then rotated and fitted onto the other end of the connecting spring. Rotational force is utilized to screw the connecting spring into the interior of the tension spring, forming the tension spring into a ring spring. The utility model ring spring does not affect the shape and elasticity of the connection point, and the secure connection is applied in various scenarios requiring ring springs. The ring spring is composed of washer-like spring steel with an inner conical surface and outer cylindrical surface, and washer-like spring steel with an inner cylindrical surface and outer conical surface, alternately stacked and combined. The number of pairs of inner and outer rings of the ring spring is determined based on the magnitude of the load it bears and the deformation requirements. Ring springs are applied in situations with limited space and where strong buffering is required.

05/8/1 Spring Mechanical Principle

The ring spring is formed by the mating of an outer ring with an inner conical surface and an inner ring with an outer conical surface. The number of pairs of outer rings is determined according to the magnitude of the load borne and the deformation requirements. Ring springs are commonly used in applications where spatial dimensions are restricted yet strong buffering is required. A ring spring consists of many pairs of inner and outer rings. If damaged or worn, it is not necessary to replace all components; only the discarded individual rings need to be replaced, making repair easier and more economical. Since there is significant friction on the contact surfaces when the outer ring and inner ring slide relatively along the mating cones, the axial force during loading is balanced by surface pressure and friction. Therefore, this is equivalent to reducing the effect of the axial load, i.e., increasing the spring stiffness. During unloading, friction impedes the recovery of the spring's elastic deformation, thus equivalently reducing the spring force. The characteristic curve of a ring spring in one loading and unloading cycle is OABO; if there were no friction, it would be OC. During unloading, the characteristic curve switches from point B, rather than from point E, which is reduced due to spring elastic hysteresis. Ring spring: a spring composed of washer-like spring steel with an inner conical surface and outer cylindrical surface, and washer-like spring steel with an inner cylindrical surface and outer conical surface, alternately stacked and combined. The number of pairs of inner and outer rings of the ring spring is determined based on the magnitude of the load it bears and the deformation requirements.

05/8/1 Spring Composition

A ring spring is a compression spring composed of several inner and outer rings with conical surfaces. Under axial load P, significant normal pressure is generated between the contact surfaces of the inner and outer rings, causing the diameter of the inner ring to decrease and the diameter of the outer ring to increase. Due to these changes in the diameters of the inner and outer rings, the length of the spring is shortened. When the external force is removed, since the cone angle b of the rings is greater than the friction angle, the spring restores its original dimensions under the action of internal elastic forces. When the ring spring bears axial P, significant friction is generated between the conical contact surfaces of the inner and outer rings, consuming a large amount of energy; at this time, the force and deformation remain in a linear relationship. During the loading process, the external force P equals the sum of the spring's internal force and friction. ABO represents the unloading process, which includes two stages: the AB segment and the BO segment. The AB segment indicates the situation where the load decreases, and the spring's internal elastic force overcomes static friction, gradually restoring the spring to its original state. The inner and outer rings of the ring spring are made of high-quality carbon steel or wear-resistant alloy steel. Each ring is first roll-formed to the required shape to enhance its load-bearing capacity, and then heat-treated. Ring spring is a heavy-duty spring with significant buffering and shock absorption capabilities (the ratio of area OABO to OACO can reach 60～70%). It is commonly used in buffering devices for heavy vehicles, artillery, and aircraft landing gear.

05/8/1 Spring Applications

Disc springs are replacing cylindrical helical springs in a wide range of applications. They are commonly used in heavy machinery (such as presses) and weapons like cannons and aircraft as heavy-duty buffering and vibration-damping springs. They serve as clamping springs for automotive and tractor clutches and safety valves, and as energy storage elements for mobile mechanisms. Disadvantage: Load deviation is difficult to guarantee. Disc springs can be divided into three categories based on cross-sectional shape: standard disc springs (rectangular cross-section), disc springs with radial slots, and trapezoidal cross-section disc springs. Standard disc springs are divided into two types: with support surface and without support surface. Disc springs with radial slots are based on standard disc springs, with several uniformly distributed slots cut radially. The slots can be cut from the inner hole towards the outer circle, or from the outer circle towards the inner hole. Trapezoidal cross-section disc springs can be divided into two types: those with inner edge thickness greater than outer edge thickness, and those with inner edge thickness less than outer edge thickness. Since the deformation and load value of a single disc spring often cannot meet usage requirements, they can be used in groups to form disc spring assemblies (columns). Typical combinations include: stacked combination disc springs, composite combination disc springs, and other combination disc springs. Compared to cylindrical helical springs, disc springs have the following characteristics: 1) The load-deformation characteristic curve exhibits a nonlinear relationship. 2) Disc springs are thin-sheet shaped, easy to form assemblies, allowing modular assembly and replacement, thus facilitating maintenance. 3) Disc springs with radial slots exhibit zero stiffness characteristics. This characteristic can be applied in situations where the spring force is required to remain basically stable within a certain deformation range. 4) The vibration absorption performance of disc springs is no lower than that of cylindrical helical springs. When using stacked combinations, significant damping is generated due to friction between the disc spring leaves, dissipating impact energy.

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