Cropper Springs Long Heavy Duty Torsion Springs

• Customization: Available
• Function: Drive, Restoration
• Material: Steel
• Load Type: Torsion
• Production Process: Hot Roll
• Shape: Spiral
• Transport Package: Carton Pallet
• Specification: 100 x110x120
• Trademark: Bosswinn
• Origin: China
• Production Capacity: 2000000
• Package Size: 110.00cm * 110.00cm * 120.00cm
• Package Gross Weight: 1500.000kg
• Lead Time: 15 days (1 - 100000 Pieces) ; To be negotiated ( > 100000 Pieces)

Product Description

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 




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Torsion springs are used in a lot of common devices. The size of a number of these devices is considered to be small. These  torsion springs may be a fundamental part of the mechanism which assures that the device will function as required. Their  diameters  go from 0.016" to 0.035 and inner diameters ranging from 0.151" and 0.350". Wire materials may vary between music wire, hard drawn and stainless steel;Their surface treatment  plated in a zinc or gold irridite finish. 

Product Description

 

raw materials we    process on	stainless steel,Music wire  Carbon steel(SWC),Alloy steel SEA9260/9254/6150/SUP9/SUP10/SUP12,51CrV4,etc.
material diameter or thickness	0.1~8mm
workcraft or process	CNC processing, mannual work
surface treatment	painting, electroplating, polishing , blacken etc
Applications	Industrial facilities.automobiles,  Motorcycles, electronics, Sports facilities, telecommunications products etc
Quality Certification	ISO9001-2000,ISO14000
Payment term	T/T,L/C
Packing	plastic bags,and then cartons ,  wooden or plastic
Shipment	By sea  from Ningbo or shanghai, by air from Shanghai or Hangzhou

Torsion Spring Manufacturing Specifications

While we have listed some of the most common sizes, materials and manufacturing specifications, Bosswinn Spring provides completely customized production on all torsion springs.

• Large Quantity Orders, Short Runs &  Making samples - formed, assembled and packaged as per your instructions.
• Proprietary Camera Gauge for Superior Quality - photographs and verifies each part, automatically adjusting production without shutdown.
• Technology capabilities - on our all manufacturing facilities , you can authorize  our team ato optimize designs and lower costs.
• Engineering Support - our team can provide expert design assistance on any order, or view our online spring design resources.

Our testing faciltis.
We strictly control our springs quality . We do not only promise in oral, let the facilities speak.



Our packing and delivery

The applications of the torsion springs

 

• A torsion bar   can be used on a vehicle ,absorbs road bumps , cushioning passenger travel. Torsion bar suspensions are used in many modern cars and trucks..
• In many vehicle suspension systems  torsion springs are used.
• Can be used in the torsion pendulum. 
• They had been used in ancient weapons or some modern toys.
• The balance springs or hair springs are used in mechanical watches 
• Torsion balance springs are used in mechanical pointer-type meters 
• Tiny torsion springs can be used in electric , like DMD or digital micromirror device chips. 

 

The Industries that Use Torsion Springs

Major original equipment manufacturers (OEMs) that produce products for various industries use compression springs in many of their products. 

• Industrial production lines
• Transportation vechiles
• Construction facilities
• Materials handling
• Agriculture machines
• Petrochemical
• Aeronautical 

FAQ

1.Is Bosswinn a  manufacturer ?

A: We are a manufacturer, the business owner has 2 factories producing springs, machining part, stamping parts

2. When is the delivery time?

A: 10 and 15 days , one month in the peak seasons


3. 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,