German VIBRACHOC springs VIBRACHOC models VIBRACHOC prices

VIBRACHOC 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 multiple 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.

VIBRACHOC spring influencing factors

Springback includes angular springback and curvature springback. This is the result of the combined effect of springback in the bending deformation zone and the non-deformation zone. Many factors influence springback, mainly: (1) material mechanical properties σs, Eo σs the higher the value, the smaller the E value, the greater the bending springback; (2) degree of deformation r/t. Under the same conditions, angular springback increases as the r/t value increases; curvature springback decreases as the r/t value increases; (3) bending center angle α o a larger bending center angle α results in greater springback angle; (4) die clearance Z. Larger punch-die clearance results in greater springback; (5) bending method. Free bending has large springback, corrected bending has smaller springback, and full-form upsetting bending has the smallest springback; (6) workpiece shape and material microstructure state. Complex shapes with more mutual constraints have smaller springback, while cold-work hardened materials have larger springback; (7) die structure and blank holder force magnitude. Greater blank holder force results in smaller springback after bending.

VIBRACHOC spring structure and principle

The torsion bar spring itself is a torsion bar made of spring steel. The cross-section of the torsion bar is usually circular, with a few being tubular or rectangular. Its ends can be shaped as splines, squares, hexagons, or cylindrical with flats, so that one end is fixed to the vehicle frame and the other end is fixed to the suspension arm, which is connected to the wheel. One end of the torsion bar spring is fixed to the vehicle frame, and the other end is connected to the wheel via the suspension arm. When the wheel encounters an obstacle on the ground and jumps upward, the wheel drives the suspension arm to rotate around the torsion bar axis by a certain angle, causing the torsion bar to undergo torsional deformation (elastic deformation). Meanwhile, the elastic strain energy stored by the torsional deformation of the torsion bar is released when the wheel leaves the obstacle, allowing the force transmission mechanism and the wheel to quickly return to position. During the manufacture of torsion bar springs, the torsion bar is pre-twisted to produce a permanent torsional deformation, giving it a certain prestress. The direction of the applied pre-torsion is the same as the direction of torsion when the torsion bar is installed on the vehicle and in operation. The purpose is to reduce the actual stress during operation and extend service life. Note that left and right torsion bars are not interchangeable.

VIBRACHOC spring features and applications

Features: Compared to ordinary compression or extension springs, its spring force is very constant, outputting a nearly linear force. This ensures that the product does not change due to variations in spring force during use. In narrow and elongated spaces, it allows for maximum space reduction, enhancing possibilities for aesthetic product design. Constant force spring applications: lift fans, LCD monitors, sliding windows and doors, supermarket automatic checkout counters, motor carbon brush pressure devices, cables, stapler springs, power tools, car ashtrays, locomotive carbon brush accessories, medical instruments, mobile phone holders, etc.

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