German tsc gasfedern springs, tsc gasfedern models, tsc gasfedern prices

tsc gasfedern 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. Disc springs are special springs that are conical in the axial direction and bear loads. After deforming under load, they store potential energy. When bolts loosen, the disc spring releases part of the potential energy to maintain pressure in the flange connection to meet sealing requirements. The stress distribution of disc springs decreases uniformly from the inside out, achieving high compensation force with low stroke.

tsc gasfedern spring principle

When leaf springs are installed in an automobile suspension and the vertical load is positive, all spring leaves deform under force, tending to arch upward. At this time, the axle and frame move closer together. When the axle and 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 severely 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 wrapping 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 made into eyes but use other support connections, such as rubber support pads. Flat rectangular steel plates are curved and stacked to form chassis springs. One end is installed on the hanger with a pin, and the other end is connected to the main beam with 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 consist of many steel leaves with elasticity, consistent width and thickness, but varying lengths. Their function is to connect the frame and axle via suspension, exposed between the frame and axle, bearing the load impact of wheels on the frame, reducing severe vehicle vibration, and maintaining driving stability and adaptability to different road conditions. When bearing load impact, leaf springs undergo extension motion, causing strong friction between steel leaves, i.e., extrusion and tension phenomena. The two friction surfaces generate friction forces in different directions, causing the leaf spring temperature to rise, resulting in surface scratches and fine cracks. As the frequency of load impact increases, the friction force generated by the extension motion also increases. When the stress concentration point reaches the fatigue limit, it causes single-leaf or entire-stack fracture. Kinetic experiments prove that a steel component undergoing compression-extension motion experiences temperature rise and strength decrease as motion frequency increases. Cracks appear at stress concentration points, gradually expanding and deepening, leading to damage at the fatigue limit. Leaf springs are similar but 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 valued by drivers and technical management personnel. Timely lubrication of leaf springs reduces friction and disperses stress, preventing surface scratches on steel leaves; reduces intrusion of dust, dirt, and water, preventing rust; and dissipates heat to prevent decline in elastic strength. General lubrication methods: perform after the new vehicle break-in period ends, and during use in summer and winter. For lubrication, first remove the leaf spring, open the center bolt to separate the steel leaves, then evenly apply lithium-based or graphite grease on both sides of the steel leaves. After reassembly, an oil film forms between the two friction surfaces (completing lubrication for one set of leaf springs takes only the time required to replace one broken leaf).

tsc gasfedern spring selection

A. Selection of spring force: Select the quantity, model, and spring force of each gas spring based on the calculated punching force. Generally, the spring force of the gas spring should be selected by adding an increase of 15%-20% to the calculated punching force, which better matches actual conditions. First, after mold wear, gaps change. Changes in process parameters such as blunt cutting edges, inconsistencies in mold thickness and sheet metal deformation resistance cause changes in workpiece deformation resistance, so margin should be left in design. Second, during gas charging, high-pressure gas inevitably has throttling losses, causing a slight drop in spring force. Third, gas springs have a long life; after a period of use, high-pressure nitrogen will have certain leakage, causing a slight decrease in spring force. B. Selection of gas spring quantity: Based on layout requirements, combined with mold structure and force application points, ensure no eccentric loading occurs during mold operation, while also facilitating mold adjustment. This ensures sufficient service life for gas springs. C. Selection of gas spring boost ratio: Select based on the gas spring characteristic curve and stamping process requirements to determine the gas spring model. Determining the boost ratio is particularly important when stable working force change, basically constant working force, or large initial force is required. D. Selection of gas spring stroke: Regardless of the process, when selecting gas springs, keep the total height low to avoid instability and overly complex installation structures in the mold. Larger strokes result in higher gas spring prices, which is especially important for independent gas springs. If a large stroke is indeed required by the process, it is recommended to use a gas spring seat plate system to reduce mold height and improve gas spring stability and reliability. Sometimes, for safety and to avoid accidents, a safety stroke of 3-5mm should be added when selecting gas springs. Selection of gas spring structural form: When using gas springs in molds, designers must first decide on the structural form. Comprehensively consider stamping process requirements, mold structure, equipment used, working environment, working conditions, mold cost, and adjustment/maintenance factors. A. Independent type: The most widely used is the independent gas spring. It occupies little mold space, is securely placed, and has diverse structural forms. Several different installation forms require no accessories and can be used directly in the mold. It is the preferred design form for today's designers. B. Pipeline connection type: Pipeline connection types are generally applied to large stamping parts and large coverings. High-pressure pipes connect individual gas springs, and a control instrument is installed to equalize the spring force of all gas springs in the system, integrating the entire system into one equivalent independent gas spring. This achieves greater spring force and balance in spring force transmission, extending mold life and ensuring stamping part quality.

tsc gasfedern spring features and applications

Features: Compared to ordinary compression or extension springs, their spring force is very constant, outputting nearly linear force. This ensures the product does not change due to variations in spring force during use. In narrow and long spaces, space can be minimized as much as possible, enhancing possibilities for aesthetic product design. Constant force spring applications: lift fans, LCD monitors, up-and-down sliding doors and windows, supermarket automatic checkout counters, motor carbon brush clamping devices, cables, stapler springs, power tools, car ashtrays, locomotive carbon brush accessories, medical instruments, mobile phone holders, etc.

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