German biegex federn springs, biegex federn models, biegex federn prices

biegex federn 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, offering good elasticity. Wave springs are widely used in industries such as motors, textile machinery, hydraulic equipment, and automotive. They are mainly installed in bearing housings or bores suitable for their nominal dimensions. With minimal installation space, they offer special functions such as noise reduction and vibration damping.

biegex federn Spring Introduction

Designed based on the principle of moment balance. Within the permissible load displacement, the load moment and spring moment remain balanced. For pipes and equipment supported by constant-load hangers, a constant supporting force is provided during displacement, thus avoiding additional stress on the pipeline equipment. Constant-load hangers are generally used where displacement stress needs to be reduced, such as in the suspension parts of power plant boiler bodies, steam, water, flue gas, and air ducts in power plants, burners, and similar support requirements in the petroleum and chemical industries. It is a mechanical part that works using elasticity. Parts made of elastic material deform under external force and return to their original shape after the force is removed. Also known as "springs". Generally made of spring steel. Springs come in complex and diverse types. Classified by shape, they mainly include helical springs, spiral springs, leaf springs, and special-shaped springs.

biegex federn Spring Rebound Control Measures

1) Select materials with good bending performance: Using materials with a low yield limit and high elastic modulus as bending parts can achieve higher bending quality. In addition, the magnitude of thickness tolerance of the blank, the quality of the surface finish, and the flatness all have a significant impact on bending springback. For workpieces with high bending accuracy requirements, the quality of the blank in these aspects must also be screened. 2) Select a smaller relative bending radius: A small r/t value indicates a large degree of deformation. Generally, when r/t ≤ 3-5, it is considered that the bending zone of the sheet metal has fully entered the plastic state. A smaller bending radius is beneficial for reducing springback, but an excessively small bending radius may cause cracking in the bending zone. The minimum bending radius for materials provided in references is mainly empirical data, which can serve as a reference for sheet metal designers when designing the bending radius of workpieces. 3) Select the required die clearance: For V type bending, the clearance value is achieved by high-speed machine tools and is independent of the die itself. For U type bending, springback decreases as the depth of the die opening increases, and the amount of springback decreases as the die clearance decreases. For workpieces with high bending accuracy, the single-side bending clearance can be taken as Z = t; if higher bending accuracy is required, adopting bending with slight thinning is more effective in reducing springback. Because zero-clearance or negative-clearance bending can change the stress state of the sheet metal, transforming it from ordinary bending to bending with tensile-bending characteristics, placing the inner side of the neutral layer of the blank under compressive stress, so that the entire cross-section of the blank is in a tensile stress state in the tangential direction. After unloading, the springback of the inner and outer fibers cancels out, thereby reducing springback (Figure 4). Therefore, adopting tensile bending processes and dies with adjustable clearance is very beneficial for controlling springback. 4) Design reasonable workpiece shapes: U type bent parts have less springback than V type parts. Complex workpiece shapes involve many mutual constraints between parts, making springback difficult to control. Therefore, ? type has less springback than U type. If suitable stiffening ribs are pressed at the bending area, the springback will be even smaller. Therefore, flanging or hemming treatment of bent parts can not only improve stiffness but also reduce springback. 5) Adopt appropriate microstructural states: Materials after cold working hardening have large bending springback. For bent parts with high accuracy requirements where the blank has cold working hardening, annealing treatment should be performed before bending. Where necessary and permissible, heating bending should be adopted for workpieces with thicker blanks to eliminate springback. The springback angle in calibration bending is significantly smaller than in free bending, and the greater the calibration force, the smaller the springback. 6) Calibrate the shape of the bending punch: This is because the calibration bending force concentrates the punching force in the bending deformation zone, forcing the inner metal layer to be compressed. After the sheet metal is calibrated, both the inner and outer fibers are elongated and will shorten after unloading. Since the springback trends of the inner and outer layers are opposite, the amount of springback will be reduced, thereby achieving the goal of overcoming or reducing springback. Therefore, calibration bending is a bending method similar in nature to tensile bending, and its application range appears to be broader. Generally, the shape shown in Figure 5 is mostly adopted for calibration bending punches.

biegex federn Spring Classification

1) Ordinary disc springs, trapezoidal cross-section disc springs, conical trapezoidal cross-sections. Disc springs: Simple in shape and structure, widely applied. They can be used individually, in opposed pairs, stacked combinations, or composite assemblies as disc spring groups, bearing static loads or variable loads, and are used as heavy-duty buffer and vibration-damping springs in heavy machinery, aircraft, artillery, and other weapons. 2) Diaphragm springs: Mainly used in automotive clutches, functioning through the combined action of separation fingers and disc springs. 3) Wave washers: Extensively used in mechanical seals; they can be further developed into spiral wave springs. 4) Slotted disc springs: Typically used in clutches, such as those in lathes, automobiles, and tractors. 5) Circular plate disc springs: The cross-section is circular plate-shaped, deforming into a truncated cone shape under load. Simple in structure with high stiffness, used in applications with special requirements. 6) Spiral disc springs: Possess the dual characteristics of disc springs and helical springs, allowing for different stiffness requirements. 7) Wave cylindrical springs (wave springs): Formed by overlapping wave washers into a cylindrical shape, allowing for larger deformation.

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