German Tekon springs Tekon models Tekon prices

Tekon springs are conical disc-shaped and can be used individually or in series or parallel combinations. They bear 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 demand on gaskets and packing during use. 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 between flange connections to meet sealing requirements. The stress distribution of disc springs decreases uniformly from the inside out, achieving high compensation force with low stroke.

Tekon spring mechanical principles

Ring springs consist of outer rings with internal conical surfaces mating with inner rings with external conical surfaces. The number of outer rings is determined by the magnitude of the load and deformation requirements. Ring springs are commonly used in applications where space is limited but strong buffering is required. A ring spring comprises many pairs of inner and outer rings; if damaged or worn, individual rings can be replaced rather than the entire assembly, making repair easier and more economical. Due to significant friction on contact surfaces when the outer and inner rings slide relative to each other along the mating cone, axial force during loading is balanced by surface pressure and friction. This effectively reduces the effect of axial load, i.e., increases spring stiffness. During unloading, friction hinders the recovery of elastic deformation, effectively reducing the spring force. The characteristic curve of a ring spring during one loading and unloading cycle is OABO; without friction, it would be OC. During unloading, the characteristic curve switches from point B, not from point E, due to reduced elastic hysteresis of the spring. Ring spring: A spring composed of alternating stacked washer-like spring steel rings with internal conical/external cylindrical surfaces and washer-like spring steel rings with internal cylindrical/external conical surfaces. The number of inner and outer ring pairs in a ring spring is determined by the load magnitude and deformation requirements.

Tekon 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 should be selected by adding an increase of 15% to 20% to the calculated punching force to better match actual conditions. First, mold wear leads to changes in clearance, dulling of cutting edges, and other process parameter variations. Inconsistencies in mold thickness and sheet metal deformation resistance cause changes in workpiece deformation resistance, so design should allow for margin. Second, during gas charging, high-pressure gas inevitably suffers throttling losses, causing a slight drop in spring force. Third, gas springs have a long service life; after prolonged use, high-pressure nitrogen leakage causes 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 and facilitate mold adjustment. This ensures sufficient service life for gas springs. C. Selection of gas spring boost ratio: Choose 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 technically necessary, consider using a gas spring base plate system to reduce mold height and improve stability and reliability. For safety and accident prevention, increase the safety stroke by 3-5mm 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 considering stamping process requirements, mold structure, equipment, working environment, operating conditions, mold cost, and adjustment/maintenance factors. A. Independent type: The most widely used is the independent gas spring, which occupies minimal mold space, offers secure mounting, and comes in various structural forms. Several different installation forms require no accessories and can be directly installed in the mold. This is the preferred design form for modern 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 across all gas springs in the system, integrating the system into a single equivalent independent gas spring. This achieves greater spring force and balanced force transmission, extending mold life and ensuring stamped part quality.

Tekon spring features and applications

Features: Compared to ordinary compression or extension springs, their spring force is highly constant, providing nearly linear force output. This ensures product performance remains unaffected by force variations during use. In narrow spaces, they minimize spatial footprint, enhancing possibilities for aesthetic product design. Constant force spring applications: Lift fans, LCD monitors, sliding windows and doors, supermarket automatic checkout counters, motor carbon brush tensioners, cables, stapler springs, power tools, car ashtrays, locomotive carbon brush accessories, medical devices, mobile phone holders, etc.

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