SERPENTINE SPRING AND LOW PRICE! AND GOOD QUALITY!

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Specification
Usage: lockable gas spring/locking gas strut for medical bed ,medical equipment, office chair.
Features:
1, Gas: Nitrogen filled inside.
2, Color : black, silver,or as clients request.
3,Quality: We can provide fatigue test report. Our products can open and close 100,000 times, Not leak oil; Our paint is passed ROHS test;
4,When the gas spring is up and down, it's smooth operation without noise.
5,Safe and easy installation.
6,Reasonable price, excellent quality, delivery soon, good service.
7,MOQ: 100PCS.
Packing: Standard export packing or as the request.

SERPENTINE SPRING AND LOW PRICE! AND GOOD QUALITY!

Item	Description
Product Name	Spring
Wire Diameter	0.01 to 12mm
Style of precise spring	coil/spiral/conical spring ;compression/extension/tension/torsion spring
Material	Stainless steel, carbon steel, spring steel, alloy spring steel, refractory steel, brass, and bronze (most of them are imported from Korea, Germany and Japan)
Surface Treatment	Zinc-plated, nickel-plated, chrome-plated, silver-plated, gold-plated, imitation gold-plated, etc.
Packing	Inner-Plastic Bag; Outer -Standard Carton Box.
Usage	All kinds of cars, machinery, home appliance, electronic products, electric appliance, stationery, computers, power switches, miniature switches, architecture, commodity and A/V equipment, hardware and plastic molds, sports equipment and gifts, and more
Quality Control	Conducted by ISO/TS16949:2002 and ISO14001:2004 system.
Equipments	Advanced CNC spring machinery; Advanced grinding and shot peening machinery; Precise tensile strength testers, compression testers, endurance testers, and magnetic powder flaw detectors
Applications	auto,motorcycle,industry,ariculture,mine,furniture,elevator,etc
Technical	Experienced engineers and technicians; Skilled Workers;
File Format	Solidworks,Pro/Engineer,Auto CAD,PDF,JPG
Service	Warm and quick response service provided by the professional Export Sales Team with many years' experience in handling exports to the US, Europe, Japan and other countries and regions.

Q: Stainless steel and spring steel hardness, who is hard?: To sell the spring steel where seen relatively hard two pliers are very difficult to open

Q: Spring dynamometer and spring balance what is the difference: Spring dynamometer is a force measuring spring balance is to measure the quality of

Q: What are the categories of springs?: A spring is a mechanical part that uses elasticity to work. Parts made of elastic materials deform under external force and are restored to original shape after removal of external forces. Also made as a spring". Usually made of spring steel. The type of spring is complex and varied. According to the shape, there are mainly spiral spring, scroll spring, plate spring, special-shaped spring and so on.

Q: What's the spring material to?: 1, with alloy spring steel, respectively, there are several kinds of steel: 55Si2Mn or 50CrVA and 30W4Cr2VA, these alloy spring steel;2, manufacturing process:Coil the machine first into the spring and then proceed with the proper heat treatment process to get the spring you need.

Q: What kind of material does spring have?: 65MnSpring steel belongs to the mechanical structure steel; according to the quality grade, it belongs to the special quality steel, that is to say, in the process of production, it is necessary to strictly control the quality and performance of the steel.

Q: How to choose spring steel material?: The cold plastic deformation of the cold drawn spring material is high, and most finished steel wires have reached the required mechanical properties when the steel mill is out of the factory. The surface quality of the steel wire is high, and the spring manufacturing process is simple. For springs of medium or small spring or high fatigue life, the cold spring or cold drawn spring or steel wire or strip shall be selected as far as possible. Carbon spring steel wire (group I, group II, group II A, dish group) and important uses of 65Mn spring steel wire during the cold drawing process caused in large residual stress, the larger the size change after low temperature tempering, and thus affect the dimensional accuracy of the spring. This kind of steel wire should be used preferentially for the tension spring with small bending radius and the compression spring with smaller diameter of steel wire. Oil tempered steel wire for residual stress, cold forming, precision spring is easy to control, low temperature tempering after the size change is very small, especially because there is no residual stress relaxation resistance than carbon spring steel wire lead quenching and cold drawing good. For the spring with higher size precision and the thicker diameter of spring steel and the good spring resistance, the oil quenching and tempering steel wire shall be used.

Q: What is an independent bagged spring?: The characteristics of independent bagged springs is independent bagged spring each spring can be independent of support, stretching alone, completely conform to the body curve, so that all parts of the body are the best care, with ergonomic, closely supporting effect. Spring tube respectively operation, a force, not elsewhere, even if the pillow was over, it will not affect the sleeping of another, especially by adding a layer of high elastic cotton blanket and wave type sponge bed, bump by using body wave sponge flip natural movement to achieve the massage and health care enjoy the ultimate role of sleep.

Q: How about the size of the elasticity?: The force is analyzed and the force is decomposed along the positive plane and its vertical direction

Q: How to process Spring Steel: The available oxygen converter furnace and open hearth furnace or general production of spring steel; high quality spring steel or better quality with special properties, furnace or vacuum refining 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, it is easy to form bubbles and other defects. After the ingot is rolled and rolled, the cooling is not easy. Therefore, the raw materials used for smelting must be dry, as much as possible to remove gas and inclusions, and to avoid overheating of the steel.

Q: Physics high school. Why does a spring fall to the lowest point and the acceleration a must be greater than the acceleration of gravity g ah. Seek expert: Is the map tilted?.Look at the picture. It means that a naturally stretched spring is placed vertically and then put a mass of m at zero initial speed.If dropped to the lowest point, the speed of the object v=0, object by the acceleration of gravity g down, if not spring to give it an g greater than or equal to the acceleration, the object will continue to fall, do not conform to the original intention of "low".So the acceleration inside the spring must be greater than or equal to g.

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