Germany Timmer-Pneumatik springs Timmer-Pneumatik models Timmer-Pneumatik prices

Timmer-Pneumatik springs are helical springs that withstand axial compressive forces. The cross-section of the material used is mostly circular, but rectangular sections and multi-strand steel wires are also used. Springs generally have equal pitch. The shapes of compression springs include: cylindrical, conical, convex, concave, and a small number of non-circular shapes. There is a certain gap between the coils of the compression spring. When subjected to external loads, the spring contracts and deforms, storing strain energy. Compression springs provide resistance to external compressive loads. Compression springs use multiple open coils to provide resistance to external pressure (such as gravity pressing down on wheels, or body weight pressing on a mattress). That is, they push back to resist external pressure. Compression springs are generally wound with metal wire at equal pitch and have a fixed wire diameter. In addition, there are conical compression springs, or springs combining conical and straight sections. Depending on the application area, compression springs can be used to resist pressure and/or store energy. Round metal wire is the most commonly used for compression springs, but compression springs made from square, rectangular, and specially shaped metal wires are also available.

Timmer-Pneumatik spring classification

1) According to the characteristics of the load during operation, helical springs can be divided into three types: compression, extension, and torsion; 2) According to structural characteristics, they can be divided into two major categories: cylindrical helical springs and variable-diameter helical springs; variable-diameter helical springs mainly withstand compressive loads; 3) According to their shape characteristics, they can be divided into conical, volute, concave, and convex shapes. 4) In terms of production and use, helical springs can also be divided into two categories based on forming methods and material diameter: large helical springs and small helical springs; the former are usually hot-formed, and 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 the direction of the helix, 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.

Timmer-Pneumatik spring classification

1) Torsion springs: Torsion springs (torsional springs) utilize the principle of leverage. By twisting or rotating elastic materials with softness and high toughness, they possess significant mechanical energy. They are springs that withstand torsional deformation, and their working parts consist of coils that are either closely wound or separately wound. The end structures of torsion springs are processed into various shapes of torque arms, ranging from single torsion to double torsion, and even various torsion bar deformations, formed according to design requirements. 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. 2) Compression springs: Compression springs are helical springs that withstand axial pressure. Springs are generally divided into equal-pitch springs and variable-pitch springs. The shapes of compression springs include: cylindrical, conical, convex, concave, and a small number of non-circular shapes. There is a certain gap between the coils of the compression spring. When subjected to external loads, the spring contracts and deforms, storing strain energy. Variable-pitch springs are becoming more common and are no longer just equal-pitch springs; variable-pitch springs can perform different functions in different environments. 3) Carbon nanotube springs: The diameter of carbon nanotube springs can reach hundreds of micrometers, while the length can reach several centimeters. Their spinning structure has broad application prospects and is expected to be applied in fields such as stretchable conductors, flexible electrodes, micro strain sensors, supercapacitors, integrated circuits, solar cells, field emission sources, and energy dissipation fibers, providing the possibility of preparing visually visible carbon nanotube electronic devices. They are also expected to be applied in medical devices, such as tension-sensing bandages. This new structure can also be developed into multifunctional carbon nanotube fiber composites for utilization. 4) Extension springs: Extension springs are helical springs that withstand axial tensile forces. Extension springs are generally manufactured using round cross-section materials. When not under load, the coils of extension springs are generally tightly closed with no gap. They work by utilizing the rebound force (tensile force) after stretching, used to control the movement of machine parts, store energy, measure force magnitude, etc., and are widely used in machines and instruments. The hook forms include side-hook extension springs, long-hook extension springs, British-hook extension springs, German-hook extension springs, semi-circular hook extension springs, duck-bill hook extension springs, etc. Materials include stainless steel, music wire, high-carbon steel, phosphor bronze, beryllium copper, oil-tempered alloy spring steel, etc. 5) Air springs: An air spring is a non-metallic spring that achieves elastic action by adding pressurized air into a flexible sealed container and utilizing the compressibility of air. It can be roughly divided into two types: bladder type and diaphragm type. Air springs have excellent elastic characteristics. When used in the suspension systems of high-end vehicles, they can greatly improve vehicle smoothness, thereby significantly enhancing riding comfort. Therefore, air springs are widely used in automobiles and railway locomotives. In addition, since air springs have many advantages compared to ordinary steel springs, they are also applied in some mechanical equipment and precision instruments.

Timmer-Pneumatik spring features

Suspensions using torsion bar springs have lighter mass, simpler structures, and do not require lubrication. By adjusting the installation angle of the fixed end of the torsion bar spring, automatic adjustment of vehicle height is easily achieved. Torsion bar springs store greater elastic energy per unit volume and have low mass. Compared to helical springs, torsion bar springs have a compact structure and are easy to arrange. Torsion bar springs are widely used in off-road vehicles, light passenger cars, and trucks. Torsion bar springs can be classified by cross-sectional shape into circular, tubular, and leaf types. Circular solid torsion bars have a simple structure and are the most commonly used. To assemble the torsion bar, both ends are processed into splines, hexagonal, square, etc. Since the spline head dimensions are relatively small, spline connections are mostly used. Generally, the major diameter of the spline is 1.2~1.3 times the working diameter of the torsion bar, and the spline length is approximately 1.4 times the major diameter of the spline. As long as the crushing stress of the spline teeth is within permissible limits, the spline teeth should not be selected too long. Torsion bar springs generally use involute splines GB3478. In the JSB2705 standard, the recommended standard pressure angle for splines is 45°; the modules are 1mm and 0.75mm. To facilitate the assembly of torsion bar springs, some torsion bar springs have splines with unequal diameters at both ends, or a blind tooth is processed on the spline teeth at both ends.

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