German raico springs raico models raico prices

raico springs are energy accumulators; they store energy but cannot release it slowly. To achieve slow release, a "spring + high transmission ratio mechanism" is required, commonly seen in mechanical watches. Helical springs have been applied since ancient times; bows and crossbows are two broad types of helical springs. By appearance, they can be divided into standard cylindrical helical springs and variable-diameter helical springs (see figure); by helix direction, they can be divided into left-hand springs and right-hand springs. Cylindrical helical springs have a simple structure, are easy to manufacture, and are the most widely used; their characteristic curve is linear, and they can serve as compression springs, extension springs, and torsion springs. When the load is heavy and radial dimensions are limited, two compression springs with different diameters can be nested to form a combination spring. Variable-diameter helical springs include conical helical springs, volute helical springs, and concave helical springs. Conical helical springs offer good buffering performance and can withstand large loads. Volute helical springs can store more energy and withstand larger loads, but the manufacturing process is more complex. The performance of concave helical springs is similar to that of conical helical springs, and they are mostly used in seat cushions and mattresses. Spring wire cross-sections include circular and rectangular shapes, with circular cross-sections being the most common.

raico spring applications

Extension springs, also known as helical extension springs, generally have equal pitch and mostly circular cross-sections. They can be used in many occasions, such as production assembly, testing, R&D, and maintenance. Extension springs occupy an important position in the global market and are widely used in fields such as national defense, marine, computer, electronics, automotive, mold, medical, biochemistry, aerospace, railway, nuclear power, wind power, thermal power, engineering machinery, mining machinery, construction machinery, and elevators.

raico spring structural classification

By force nature, springs can be divided into extension springs, compression springs, torsion springs, and bending springs. By shape, they can be divided into disc springs, ring springs, leaf springs, helical springs, truncated conical volute springs, and torsion bar springs. By manufacturing process, they can be divided into cold-coiled springs and hot-coiled springs. Standard cylindrical springs are the most widely used due to their simple manufacturing and ability to be made into various forms according to loading conditions, featuring a simple structure. Spring manufacturing materials should generally have high elastic limits, fatigue limits, impact toughness, and good heat treatment performance. Commonly used materials include carbon spring steel, alloy spring steel, stainless spring steel, as well as copper alloys, nickel alloys, and rubber. Spring manufacturing methods include cold coiling and hot coiling. Spring wire diameters less than 8 mm generally use the cold coiling method, while those greater than 8 mm use the hot coiling method. Some springs undergo strong pressure or shot peening treatment after manufacturing to improve load-bearing capacity.

raico 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 gas spring international standard and Chinese national standards; Type B 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 Type J gas spring, which is one of the product series of gas springs, fully named Type J compact structure gas spring. Type J 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, resulting in a shorter total length, which can reduce the design height of the mold, making it one of the preferred choices for mold-specific gas springs. 3) Ultra-compact type: This 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 Type T extra-slim structure type), but the piston rod diameter is the same, so it is small in size but powerful. Type C 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: This is the most compact cylinder diameter type among gas springs, featuring a piston seal design, with an outer diameter even smaller than the ultra-compact type. The working stroke of the Type H gas spring series generally does not exceed 50mm, and its performance in all aspects is no inferior to that of Type C gas springs.

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