German GOUDSMIT springs, GOUDSMIT models, GOUDSMIT prices

GOUDSMIT springs are elastic elements with several peaks and valleys on a thin metal ring. They are typically used in applications where the load and deformation are small, requiring low spring stiffness and axial preload. Wave springs are particularly suitable for weight-sensitive applications and those constrained by limited installation space. Typical application areas include aerospace, precision machinery, hydraulic seals, and high-end motors. They are thin, ring-shaped elastic metal components composed of several peaks and valleys. This product uses high-quality spring steel 65Mn (60Si2MnA/50CrVA /0Cr17Ni7Al /SUS304), heat-treated using specific methods. Depending on the specific conditions, hardness is generally controlled between HRC44 and 55. The surface is blackened, providing good elasticity. Wave springs are widely used in motors, textile machinery, hydraulic equipment, automotive, and other industries. They are mainly installed in bearing housings or bores suitable for their nominal dimensions. They require very little installation space and have special functions such as noise reduction and vibration damping.

GOUDSMIT spring mechanical principles

Ring springs are formed by the mating of outer rings with inner conical surfaces and inner rings with outer conical surfaces. The number of outer rings is determined by the magnitude of the load and the deformation requirements. Ring springs are commonly used in applications where space is limited but 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 rings; only the discarded individual rings need to be replaced, making repair easier and more economical. Due to the significant friction on the contact surfaces when the outer and inner rings slide relative to each other along the mating cones, the axial force during loading is balanced by surface pressure and friction. Therefore, this effectively reduces the effect of the axial load, i.e., increases the spring stiffness. During unloading, friction hinders the recovery of the spring's elastic deformation, thus effectively reducing the spring force. The characteristic curve of a ring spring in one loading and unloading cycle is OABO; without the effect of friction, it would be OC. During unloading, the characteristic curve starts from point B, rather than from point E, due to the reduction caused by spring elastic hysteresis. Ring spring: A spring composed of alternating stacked washer-like spring steel rings with inner conical and outer cylindrical surfaces, and washer-like spring steel rings with inner cylindrical and outer conical surfaces. The number of inner and outer rings in a ring spring is determined by the magnitude of the load it bears and the deformation requirements.

GOUDSMIT spring features

1) Precise adjustment performance. That is, the relationship between force and displacement is very sensitive; 2) Good flexibility, meaning a relatively wide range of deformation; 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. Spiral torsion springs can store more energy and withstand larger loads, but the manufacturing process is more complex. The performance of concave helical springs is similar to that of conical helical springs, and they are mostly used in seat cushions and mattresses. Spring wire cross-sections include circular and rectangular, with circular cross-sections being the most common. Helical springs, i.e., torsion springs, are springs that withstand torsional deformation, and their 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 hook 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.

GOUDSMIT spring applications

To a large extent, disc springs are replacing cylindrical helical springs. They are commonly used in heavy machinery (such as presses) and weapons such as artillery and aircraft as strong buffering and vibration-damping springs, as clamping springs for automobile and tractor clutches and safety valves, and as energy storage elements for mobile devices. Disadvantage: Load deviation is difficult to guarantee. Disc springs can be divided into three categories based on different cross-sectional shapes: including standard disc springs (with a 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 combination methods include: stacked combination disc springs, compound combination disc springs, and other combination disc springs. Compared with cylindrical helical springs, disc springs have the following characteristics: 1) The load-deformation characteristic curve exhibits a nonlinear relationship. 2) Disc springs are thin and easy to form assemblies, allowing for modular assembly and replacement, thus facilitating maintenance. 3) Disc springs with radial slots have 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, the friction between disc spring sheets provides greater damping, dissipating impact energy.

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