German waskoenig springs waskoenig models waskoenig prices

waskoenig springs are commonly used in wheeled vehicle suspensions. Initially known as laminated or bracket springs, and sometimes as semi-elliptical or cart springs, they represent one of the oldest spring forms, dating back to the Middle Ages. Leaf springs consist of long, arc-shaped spring steel strips with a rectangular cross-section. In the most common configuration, the center of the arc provides the axle location, while loops formed at either end attach to the vehicle chassis. For very heavy vehicles, leaf springs can be made from multiple leaves stacked together, typically with progressively shorter lengths. Leaf springs can be used for positioning, providing a degree of damping as well as spring functionality. Although interleaf friction provides damping, it is poorly controlled and results in static friction during suspension movement. For this reason, some manufacturers have begun using single-leaf springs. Leaf springs can be connected directly to the frame at both ends, or directly at one end (usually the front), with the other end connected via a shackle or short swing arm. The tension introduces a tendency for the leaves to elongate under compression, thereby making the elasticity softer. Some springs terminate in a recessed end, known as a spoon end (rarely used), designed to support rotating components.

waskoenig spring installation and removal

Hydraulic lift hand trucks are widely used in production. During maintenance of their pressure oil pumps, we found that the pressure spring responsible for returning the pump's piston rod and the truck's pressure arm has a wire diameter of n, with a stored elastic force reaching 1000N. This makes installation and removal extremely difficult, often delaying troubleshooting and directly impacting production schedules. Previous measures taken were ineffective. Therefore, I designed a pressure spring installer/remover as shown in Figure 1. The tool consists of a lower pressure lever 1, pressure blocks 10, connecting pins 14, nuts 1, spherical washers 12, upper pressure lever 13, positioning sleeve 16, and rods. During operation, rotate the nut 11 to an appropriate position so that the cylindrical head claw of the lower pressure lever 1 contacts the vehicle body 2. Two pressure blocks 10 press symmetrically on the washer 6. Rotate the pressure nut n to tighten the pull rod 15, causing relative movement between the upper pressure lever 13 and lower pressure lever 1, thereby compressing the pressure spring. When the washer 6 separates from the cylindrical pin 7, the pressure wheel axle 9, pressure wheel 8, and cylindrical pin 7 can be removed. Then, loosen the nut 11, remove the installer/remover, and take out the pressure spring to disassemble, inspect, and repair the pressure oil pump. The positioning sleeve 16 on the installer/remover is a critical component. During manufacturing, one end features an internal spherical surface with a slot hole in the middle, and the other end has an inclined flat surface, forming an interference fit with the pressure lever. It must make good contact with the spherical washer 12 and the ball head of the rod 15. The pressure block 10 and connecting pin 14 have a clearance fit, requiring flexible rotation. The connecting pin 14 and upper pressure lever 13 have an interference fit. The connecting shaft 18 and pressure lever have a clearance fit.

waskoenig spring features and functions

1) Wide stiffness range, strong buffering and vibration absorption capacity, and high deformation energy per unit volume of material. 2) Features variable stiffness characteristics. Stiffness can be corrected by changing combinations of wave peak height, width, and thickness. Stiffness can also be adjusted by varying the number of stacked discs. 3) Compared to disc springs, it offers advantages such as high strength, good flexibility, and strong impact resistance. 4) Compact structural dimensions, requiring less installation space under similar theoretical parameters. Functions: (1) Control mechanical motion, such as valve springs in internal combustion engines and control springs in clutches. (2) Absorb vibration and impact energy, such as buffer springs under automobile and train carriages, and vibration-absorbing springs in couplings. (3) Store and output energy as power, such as clock springs and springs in firearms. (4) Serve as force-measuring elements, such as springs in dynamometers and spring scales. The ratio of load to deformation in a spring is called spring stiffness; the greater the stiffness, the harder the spring. Springs are elastic elements widely used in the mechanical and electronics industries. Under load, springs produce significant elastic deformation, converting mechanical work or kinetic energy into deformation energy. Upon unloading, the deformation disappears and the spring returns to its original state, converting deformation energy back into mechanical work or kinetic energy.

waskoenig spring features

Suspensions using torsion bar springs are lighter in weight, simpler in structure, 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 significant elastic energy per unit volume and have low mass. Compared to coil springs, torsion bar springs are compact and easier to arrange. They are frequently used in off-road vehicles, light passenger cars, and trucks. Torsion bar springs can be classified by cross-sectional shape into circular, tubular, and flat types. Solid circular torsion bars have a simple structure and are the most commonly used. To facilitate assembly, both ends are machined with splines, hexagonal, square, or other shapes. Due to the smaller size of the spline ends, spline connections are predominantly used. Generally, the major diameter of the spline is 1.2 to 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 on the spline teeth remains within permissible limits, the spline teeth should not be excessively long. Torsion bar springs generally use involute splines GB3478. The JSB2705 standard recommends a standard pressure angle of 45° for splines, with modules of 1mm and 0.75mm. To facilitate torsion bar spring assembly, some designs feature unequal diameters for the splines at both ends or include a blind tooth on the spline teeth at both ends.

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