German bauckhage springs bauckhage models bauckhage prices

bauckhage springs consist of tension springs and connecting springs. The pitch and helix direction of the tension spring and the connecting spring are identical. A special fixture is used to clamp one end of the tension spring and screw it into the connecting spring. The other end of the tension spring is then rotated and fitted onto the other end of the connecting spring. Rotational force is used to screw the connecting spring into the interior of the tension spring, forming a ring spring. The utility model ring spring does not affect the shape and elasticity of the connection part, and the connection is secure, making it suitable for various applications requiring ring springs. A ring spring is composed of alternating stacked washer-like spring steel discs with inner conical and outer cylindrical surfaces, and washer-like spring steel discs with inner cylindrical and outer conical surfaces. The number of pairs of inner and outer rings in the ring spring is determined based on the magnitude of the load it bears and the deformation requirements. Ring springs are applied in situations where space is limited and strong buffering is required.

bauckhage spring principle

When leaf springs are installed in an automobile suspension and the vertical load is positive, all spring leaves undergo stress and deformation, tending to arch upward. At this time, the axle and the frame move closer to each other. When the axle and the frame move apart, the positive vertical load and deformation on the leaf spring gradually decrease, sometimes even reversing. The eye of the main leaf is heavily stressed and is a weak point. To improve the stress condition of the main leaf eye, the end of the second leaf is often bent into an eye that wraps around the outside of the main leaf eye, known as a wrap eye. A large gap is left between the main leaf eye and the second leaf wrap eye to allow relative sliding during elastic deformation. In some suspensions, the ends of the leaf springs are not formed into eyes but use other support connection methods, such as rubber support pads. Flat rectangular steel plates are curved to form chassis springs made of several stacked leaves. One end is installed on the hanger with a pin, and the other end is connected to the main beam using a shackle, allowing the spring to expand and contract. This is suitable for medium and large trucks. Automobile leaf springs are very important. As is well known, leaf springs are composed of many steel leaves that are elastic, have consistent width and thickness, but vary in length. Their function is to connect the frame and the axle in a suspended manner, exposed between the frame and the axle, bearing the load impact of the wheels on the frame, reducing severe vehicle body vibration, and maintaining driving stability and adaptability to different road conditions. When leaf springs bear load impacts, they undergo extension motion, causing intense friction between the steel leaves, i.e., compression and tension phenomena. The two friction surfaces generate motion friction forces in two different directions, causing the temperature of the leaf spring to rise, resulting in surface scoring and fine cracks. As the frequency of load impact increases, the frictional motion force generated by the extension motion also increases. When the stress concentration point reaches the fatigue limit, it will cause single-leaf or entire stack fracture. Kinetic principles and tests prove that for a steel component undergoing compression-extension motion, as the motion frequency increases, the temperature of the steel component rises, strength decreases, cracks appear at stress concentration points and gradually expand and deepen, leading to damage upon reaching the fatigue limit. Leaf springs are similar, except they have higher elasticity and are more durable than general steel components. Apart from other causes, the main reason for leaf spring fracture is poor lubrication, which should be taken seriously by drivers and technical management personnel. Timely lubrication of leaf springs should be performed to reduce friction and disperse stress, prevent surface scoring of steel leaves; reduce the intrusion of dust, dirt, and water to prevent corrosion; and dissipate heat to prevent a decline in elastic strength. The general lubrication method is: perform after the new vehicle break-in period ends, and during use in summer and winter seasons. For lubrication, first remove the leaf spring, open the center bolt to separate the steel leaves, then evenly apply lithium-based grease or graphite grease to both sides of the steel leaves. After reassembly, an oil film is formed between the two friction surfaces (completing the lubrication of one set of leaf springs takes only as much time as replacing one broken leaf).

bauckhage 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 can be fixed to the frame and the other end to the suspension arm, which is connected to the wheel. One end of the torsion bar spring is fixed to the frame, and the other end is connected to the wheel via the suspension arm. When the wheel jumps upward upon encountering a ground obstacle, the wheel drives the suspension arm to rotate around the torsion bar axis by a certain angle, causing torsional deformation (elastic deformation) of the torsion bar. Meanwhile, the elastic deformation energy stored by the torsional deformation of the torsion bar is released when the wheel leaves the obstacle, causing the force transmission mechanism and the wheel to return to position quickly. During the manufacture of torsion bar springs, a permanent torsional deformation is pre-applied to the torsion bar to provide 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.

bauckhage spring classification

1) ISO international standard type: ISO gas springs are the most common typical type of gas springs. All technical parameters comply with the ISO11901 international standard for gas springs and China's national standard; B type gas springs also comply with the gas spring standards of companies such as FORD-WDX3560 (Ford), GM-M-150 (General Motors), and Renault (Renault). 2) Compact structure type: The compact structure type is also called J type gas spring, which is one of the product series of gas springs, fully named J type compact structure gas spring. J type compact structure gas spring is a type popular among mold designers. Compared with the B series gas springs, it has a shorter cylinder base length, thus a shorter total length, which can reduce the design height of the mold, making it one of the preferred varieties of gas springs for molds. 3) Ultra-compact type: It is the model with the shortest base length among gas springs worldwide. At the same time, its outer diameter is one grade smaller than other types of gas springs (except T type extra-slim structure type), but the piston rod diameter is the same, so it is small in size but powerful. C type gas springs perform no worse than ISO standard type gas springs in all aspects when the working stroke requirement is not too long. 4) Extra-slim structure type: It is the type with the most compact cylinder diameter among gas springs, featuring piston sealing, and its outer diameter is even smaller than that of the ultra-compact type. The working stroke of the H type gas spring series generally does not exceed 50mm, and its performance in all aspects is no inferior to that of C type gas springs.

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