Dongguan Hezhi Hardware Co., Ltd.
                                                                                                           
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15 Years
Since 2011
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OEM Overload Coil Springs , Black Zinc Electroplating Tension Coil Springs

Price Negotiable
Price: $0.2 - $0.8USD/ Piece/Pieces
MOQ: 1000pcs
Delivery Time: 7-15 work days
Brand: HEZHI
Product Description

Customized OEM Overload Coil Springs Black Zinc Plating Tension Spring

Description

 

Describe:Extension springs supply a force by extending or pulling on them. Typically they are cylindrical helical springs made out round wire and have either machine loops or cross center loops. However they can be made conical, oval, barrel or virtually any other shape. The ends can be plane, extended, square or anything else you can imagine.

Tension spring, suitable for high and low temperature, corrosion resistance and other working environment, materials mainly include stainless steel spring wire, carbon steel wire, oil quenching and tempering alloy spring wire,  high and low temperature alloy spring wire.

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

 

 

Reference Drawing

 

FAQ

1. Do compression springs resist a pulling force?
A: Compression Springs are usually open coiled springs offering resistance from an applied force. Many shapes and sizes are available. Such as straight, conical, concave and convex , and many other designs to fit your needs. Ends can be closed or open, ground or unground.

2. Which spring is used in mechanical toys?
A:
Spiral springs are used in watches and toys. Whereas torsion springs are used in places where a static position is required to be maintained against impact and load fluctuation.

3. What is tension formula?

A: Tension formula is articulated as. T=mg+ma. Where, T= tension (N or kg-m/s2) g = acceleration due to gravity (9.8 m/s2)

4. What is the formula of tension in a string?
A:
We can think of a tension in a given rope as T = (m × g) + (m × a), where "g" is the acceleration due to gravity of any objects the rope is supporting and "a" is any other acceleration on any objects the rope is supporting.

5. What type of force is tension?
A:
The tension force is the force that is transmitted through a string, rope, cable or wire when it is pulled tight by forces acting from opposite ends. The tension force is directed along the length of the wire and pulls equally on the objects on the opposite ends of the wire.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Dongguan Hezhi Hardware Co., Ltd.
Location No.10 DongKeng KeJi Road, DongKeng Town, Dongguan City, Guangdong Province
Contact Person Wendy

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