German kuemmerle springs kuemmerle models kuemmerle prices

kuemmerle springs are conical disc-shaped. They can be used individually or in series or parallel combinations. They withstand static or dynamic axial loads at the upper inner edge and lower outer edge, deforming under compression until flattened to store energy as a live load. When necessary, they automatically convert into additional compressive load required for sealing, reducing the continuous tightening requirements for gaskets and packing during use. Disc springs are special springs that are conical in the axial direction and bear loads. After deformation under load, they store a certain amount of potential energy. When bolts loosen, the disc spring releases part of the potential energy to maintain the pressure between flange connections to meet sealing requirements. The stress distribution of disc springs decreases uniformly from the inside to the outside, achieving the effect of high compensation force with low travel.

kuemmerle spring classification

1) According to different load characteristics during operation, helical springs can be divided into three types: compression, extension, and torsion; 2) According to structural features, they can be divided into two main categories: cylindrical helical springs and variable-diameter helical springs; variable-diameter helical springs mainly withstand compressive loads; 3) According to shape features, they can be divided into conical, volute, concave, and convex shapes. 4) In production and use, helical springs can also be divided into large helical springs and small helical springs based on forming methods and material diameter sizes; the former are usually hot-formed, while the latter are cold-formed. 5) Other classifications: There are many types of helical springs. By appearance, they can be divided into: ordinary cylindrical helical springs; variable-diameter helical springs. By spiral direction, 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 widely used. Their characteristic line is linear, 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.

kuemmerle 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, square, hexagonal, or cylindrical with flat surfaces, so that one end is fixed to the 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 connected and fixed to the 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 deformation 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 return to position quickly. 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 pre-applied torsion is the same as the direction of torsion when the torsion bar works on the vehicle, with the aim of reducing actual stress during operation and extending service life. Note that left and right torsion bars are not interchangeable.

kuemmerle spring applications

1) For blacksmiths: Because leaf springs are made of higher-quality steel, they are a favorite material for blacksmiths. In countries such as Nepal, Bangladesh, the Philippines, and Pakistan, where traditional blacksmiths still produce a large number of tools, leaf springs from scrapped cars are often used to make knives and other tools. 2) Used in trampolines: Leaf springs have also replaced traditional helical springs in some trampolines (known as soft-edge trampolines), improving user safety and reducing the risk of concussion. Leaf springs are spaced around the frame "legs," branching from the base frame to suspend the jumping mat, thereby providing elasticity. 3) Used in clutches: The common "diaphragm" in automotive clutches is a type of leaf spring.

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