Wire Formed Linear Springs

Wire Formed Linear Springs

Wire formed linear springs application Electronic products, Children’s toys, Locks, Watches, Glasses Baby carriage, Bicycle, Kitchen appliances, Cameras, Printers ,Office equipment, Precision equipment and various kinds of vehicles. Our Services A. Full technical support from concept...

Product Details

Wire formed linear springs application

Electronic products, Children’s toys, Locks, Watches, Glasses Baby carriage, Bicycle, Kitchen appliances, Cameras, Printers,Office  equipment, Precision equipment and various kinds of vehicles.

 

Our Services

A. Full technical support from concept design to final product delivery
B. On-time delivery with no compromise on quality

C. Lower cost

D. Any questions to be sent will get response within 24 hours

E. Samples provided for free charge .

F. Strict Inspection ,and the best quality price with reasonable price bearings provided .

G. OEM service provided.

H. Warranty for 6 months

I.  After sale service at any time


Spring product classification process performance requirements

 Springs are parts that use elasticity to work. Usually made of steel. It is widely used in machines and meters to control the motion of parts, mitigate impact or vibration, store energy, and measure the force. The types of complex and diverse, according to the shape points, mainly steel wire, stainless steel wire spring, flat wire springs, square wire springs, shaped wire springs and so on.

Spring classification

According to the nature of force, springs can be divided into tension, compression springs, torsion springs and bending springs; according to the shape can be divided into disc springs, ring springs, plate springs, coil springs, truncated cone wraps, and torsion bar springs. Ordinary cylindrical springs are most widely used due to their simplicity of manufacture, their ability to be manufactured in various types depending on the loading conditions, and their simple structure. Spring manufacturing materials generally should have high elastic limit, fatigue limit, impact toughness and good heat treatment performance, commonly used carbon spring steel, alloy spring steel, stainless steel spring steel and copper alloy, nickel alloy and rubber Wait. The manufacturing methods include cold roll method and hot roll method. The cold coil method with a spring wire diameter of less than 8 mm and the hot coil method with a diameter of more than 8 mm. Some springs are also subjected to strong pressure or shot peening after they are manufactured to increase their load carrying capacity.

Springs are used under impact, vibration, or long-term stress, so spring steels are required to have high tensile strength, elastic limit, and high fatigue strength. In the process, the spring steel must have certain hardenability, it is not easy to decarburize, and the surface quality is good. The carbon spring steel is a high-quality carbon structural steel with a carbon content of WC in the range of 0.6%-0.9%. The alloy spring steels are mainly silicon-manganese steels, and their carbon content is slightly lower, mainly by increasing the silicon content Wsi to increase the performance; there are also alloy spring steels of niobium, tungsten, and vanadium. In recent years, combined with our country's resources, and based on the requirements of new technologies for the design of automobiles and tractors, we have developed new steel grades that incorporate boron, niobium, molybdenum, and other elements on the basis of silicon-manganese steel, extending the service life of springs and improving the quality of springs. .
 
Spring plant production process
 
General spring steel can be produced by electric furnace, open hearth furnace or oxygen converter; high quality spring steel with good quality or special performance can be produced by electroslag furnace or vacuum furnace. The content of carbon, manganese, silicon and other major elements in spring steel is narrow, and the chemical composition must be strictly controlled during smelting. When the silicon content is high, defects such as air bubbles are easily formed, and white spots are easily generated when the steel ingot is cooled after being forged. Therefore, raw materials for smelting must be dried to remove gas and inclusions as much as possible, and the molten steel must be prevented from overheating. Spring steel must pay special attention to decarburization and surface quality during rolling. Severe decarburization of the steel surface will significantly reduce the fatigue limit of the steel. For high-silicon spring steels such as 70Si3MnA, care should be taken to avoid graphitization. Therefore, during the hot-working, the stop-rolling temperature should not be too low (≥850°C), and the residence time in the easily-formable temperature range (650-800°C) can be avoided. After the spring is made, shot peening can produce residual compressive stress on the surface of the spring to offset part of the working stress on the surface layer and inhibit the formation of surface cracks, which can significantly increase the fatigue limit of the spring.

Performance requirements
 
Springs are used under impact, vibration, or long-term stress, so spring steels are required to have high tensile strength, elastic limit, and high fatigue strength. In the process, the spring steel must have certain hardenability, it is not easy to decarburize, and the surface quality is good. The carbon spring steel is a high-quality carbon structural steel with a carbon content of WC in the range of 0.6%-0.9%. The alloy spring steels are mainly silicon-manganese steels, and their carbon content is slightly lower, mainly by increasing the silicon content Wsi to increase the performance; there are also alloy spring steels of niobium, tungsten, and vanadium. In recent years, combined with our country's resources, and based on the requirements of new technologies for the design of automobiles and tractors, we have developed new steel grades that incorporate boron, niobium, molybdenum, and other elements on the basis of silicon-manganese steel, extending the service life of springs and improving the quality of springs. .

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