What is extension springs? An extension spring is a tightly coiled
wire with a helical structure that provides resistance when
extended and returns to its original shape. Helical wound springs
that are tightly twisted together to produce initial tension in the
coils are called extension springs. When force is applied to the
ends of the object for extension, the original tension causes
resistance. How securely and closely the coils are linked depends
in part on the initial tension. End coils, hoops, or loops are
typically present at both ends of an extension spring to aid in the
spring's expansion when any other object is linked to it. These
springs are capable of both resisting a drawing force and absorbing
and storing energy. The spring's ends are connected to
Product Description raw materials
we process onstainless steel,Music wire Carbon
steel(SWC),Alloy steel
SEA9260/9254/6150/SUP9/SUP10/SUP12,51CrV4,etc.material diameter or
thickness0.1~8mmworkcraft or processCNC processing, mannual
worksurface treatmentpainting, electroplating, polishing , blacken
etcApplicationsIndustrial facilities.automobiles,
Motorcycles, electronics, Sports facilities, telecommunications
products etcQuality CertificationISO9001-2000,ISO14000Payment
termT/T,L/C Packingplastic bags,and then
cartons , wooden or plastic ShipmentBy
sea from Ningbo or shanghai, by air from Shanghai or
Hangzhou Our testing faciltis.We strictly control our
springs quality . We do not only promise in oral, let the
facilities speak. Our packing and deliveryThe applications of the
tension springs Extension springs are in our daily life
everywhere, small electronics, house appliances, from being in
our cars , to the farm machinery that produces our
food. 1. Tampolines. The trampoline has hundreds of hook
end extension springs forming the trampoline base to the metal
frame. 2. Vehicles , vehicles use heavy duty
extension springs because of the amount of power and strength they
require to pull. 3. Small electronics, like toys.Extension
springs make the electronics to function as designed.4.
House appliances , like washing machinesSprings are likewise used
in washing machines to suspend the drum in position. 5.
Furnitures, doors, windows etc extension springs to help the
house doors or furnitures close back over once they have been
opened. 7. Exercising facilitiesThe most common exercise
equipment that use extension springs like the Chest
Expander, and other strenght training facilikThe Industries that
Use tension SpringsMajor original equipment manufacturers (OEMs)
that produce products for various industries use compression
springs in many of their products. Industrial production
linesTransportation vechilesConstruction facilitiesMaterials
handlingAgriculture machinesPetrochemicalAeronautical FAQ1.Is
Bosswinn a manufacturer ? A: We are a manufacturer, the
business owner has 2 factories producing springs, machining part,
stamping parts2. When is the delivery time? A: 10 and 15 days , one
month in the peak seasons3. What is the MOQ? For the initial
order , any quantity ok. For the mass production order, 10000 pcs
better.4. What's your payment method? : T/T, L/C, Western
Unions, e. How can we confirm the samples? Free samples
are offered, Why work with Bosswin?19 years of
experiences in the metail springs business. The most developed
facilities gurantee good quality and very high production
capacity. We can develop necessary toolings and produce any springs
as per buyer's requests /* January 22, 2024 19:08:37
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