Active Member
|
[China]
Address: No.10 DongKeng KeJi Road, DongKeng Town, Dongguan City, Guangdong Province
Contact name:Wendy
Dongguan Hezhi Hardware Co., Ltd. |
|
|
Industrial Adjustable Double Hook Micro Stainless Steel Tension Spring
Extension Spring, also known as spiral stretching spring, is generally equal pitch, the cross-section is round, they can be used in many occasions, such as production and assembly, experiment, research and development, maintenance, etc.. Tension springs occupy an important position in the global market, widely used in national defense, Marine, computer, electronics, automobile, mold, medicine, biochemistry, aerospace, railway, nuclear power, wind power, thermal power, construction machinery, mining machinery, construction machinery, elevator and other fields.
| Material | Stainless Steel (SUS304,301.316,310,201,631, ect) | |
| Paino/Music Steel | ||
| Carbon Steel or as your requirments | ||
| Iron etc | ||
| Finished | Electroplating | Zinc ,Nickel ,copper ,black and so on |
| Heating | In different tempurture | |
| Cleanning | Passivation,Clean,Rust-Proof | |
| Process | CNC Machine | |
| Application | used in computer, electronics, home appliances, cameras, instruments, doors, motorcycles, harvesters, automobiles, and other industries to control the movement of machine parts, ease impact or vibration, storage energy, measure the size of force and so on! | |
| Wire diameter Range | 0.05mm-20mm | |
| Design | According to customer's drawing or sample | |
| Packaging | PE Bag+carton Box, inner plastic bags and outer carton | |
| Material | Type | Model number | Characteristic | Application |
| Stainless Steel (SUS) | With or without magnetism shine or nitrided surface, dark surface | 201, 202 etc. | Less nickel plated, could not proceed salt spray test | General using craft and toys |
| 301, 302, 303, 304, 305, 310, 316, 321 | High temperature resistance | Electronic part, home appliance, Locks, toys or can be used in all kinds of products. | ||
| 410, 420, 430 etc. | High strength | OEM aments and tableware products | ||
| 630, 631 etc. | High heat stability | Electrical application or product use under high temperature | ||
| Carbon Steel (SWC) | Low carbon steel, high carbon steel, nickel plated steel, Galvanized wire | 55CrSi, 60SizMNA, 60SizCRVA | Good elasticity high hardness | Electronic part, home appliance, Locks, toys or can be used in all kinds of products. |
| Piano Steel (SWP) | SWP-A, SWP-B | High tensile resistance, and long worklife | Application for all kinds of small products | |
| Copper Wire | Phosph or copper wire( C519R), Nickel plated copper, Bronze | Good conductivity of electrical | Electronics, electrical applicance, like antenna | |
| Iron | Galvanize iron wire | Customized or normal material | Soft material | Craft spring, decoration wire |
1. What are extension springs used for?
Applications for extension springs include automotive interiors and
exteriors, garage door assemblies, vise-grip pliers, carburetors,
trampolines, washing devices, farm machinery, toys as well as
thousands of other uses.
2. Which is better torsion or extension springs?
Torsion springs tend to be stronger and more durable than extension
springs. And though they are more expensive, they last longer,
between 15,000 and 20,000 cycles as opposed to 10,000 cycles with
extension springs. They also offer greater balance and show more
control when moving, not jerking as the door moves.
3. What are the different types of spring?
Again, there are three classes of springs: linear (or constant
rate) springs, variable rate springs, and constant force springs.
4. How long do extension springs last?
Extension Springs' Life Expectancy: Extension springs are installed
at the side of the door and act extend, rather than contract (as
does the torsion spring). They have 15,000 and 20,000 cycles which
equate 7 – 12 years of life expectancy.
