HANGZHOU NORVEE MACHINERY CO.,LTD
| Payment Terms | Western Union, L/C, T/T |
| Supply Ability | 1 000 000PCS per Month |
| Delivery Time | 10 to 14 worker days |
| Packaging Details | carton packing |
| Material | stainless steel 302 |
| Colour | white |
| name | tape measure spring |
| Tolerance | +/-0.1mm |
| Length | 100mm to 900mm as your drawing |
| thickness | 0.01mm to 10mm |
| Brand Name | NV |
| Model Number | NV-0413 |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | Western Union, L/C, T/T | Supply Ability | 1 000 000PCS per Month |
| Delivery Time | 10 to 14 worker days | Packaging Details | carton packing |
| Material | stainless steel 302 | Colour | white |
| name | tape measure spring | Tolerance | +/-0.1mm |
| Length | 100mm to 900mm as your drawing | thickness | 0.01mm to 10mm |
| Brand Name | NV | Model Number | NV-0413 |
| Certification | ISO9001 | Place of Origin | CHINA |
| High Light | tension coil springs ，tape measure spring ，302 Steel Flat Spiral Coil Springs | ||
stainless steel 302 flat spiral coil springs for retractable dog leads
Power springs are identified by the many coils of strip material stored in a case, barrel, or band, and connected to a central arbor or shaft. When this shaft is rotated, the material starts to wind flat against it. This action creates an increasing torque for as many turns as it can be wound until there is no material left.
Pre-pressed or conventional power springs
Our capabilities of power springs range from 0.002 inch to 0.125 inch material thickness and from 0.030 inch to 3 inch material widths. Power springs can be made using pre-stressed (back wound) or conventional (from flat) methods. Pre-stressed power springs are spooled to a special free diameter and back wound into a housing or keeper, while conventional wound springs are manufactured and wound in the flat state. The advantages of pre-stressed springs are that it allows maximized torque from a specific material. Conventional wound power springs, however, offer increased cycle life.
The clock spring (also referred to as a flat torsion spring) is designed to produce a torsional force (circular movement). In contrast to the tightly coiled motor spring on the previous page, the clock spring has open coils that, when mounted correctly, reduces fricton to zero. However, torque capacity is reduced as a result. The standard range is made from rounded edge stainless steel, which affords a better fatigue life.
Torsion springs can either have a left-hand or right-hand helix. They are made to give a force and torque when one leg is turned relative the other.
Our helical torsion springs are made in dimensions from 0.03- 26 millimeter and we select wire diameter, spring body diameter, length and pitch to suit your requirements.
For closed coiled helical torsion springs there will be a friction between the coils giving a hysteresis in the torque-angle performance.
There are generally two common types, single and double coil torsion springs. Normally is the coil controlled inside with a mandrel but also an outer control with a cylindrical housing is possible. With fixed assembled legs the spring type can work without a coil body control. Tangential legs give the lowest stresses but also radial and axial legs of different types are possible. In many cases the strain in the legs must be considered in the design.
Our service:
1. Can design for you
2. Advanced equipments of Springs
3. High quality with competitve price
4. Safe package
5. Fast delivery
Why Choose us?
1. We can provide reasonable price ,fast shipping,timely delivery ,continue developing advancing and innovation.
2. The customers can get high quality products , preferential price , and good service from our company.
3. Our company sincerely welcomes customers from both home and abroad to contact with us.
Company Details
Business Type:
Manufacturer
Year Established:
2003
Total Annual:
5 Million-8 Million
Employee Number:
100~200
Ecer Certification：
Site Member
Hangzhou Norvee Machine Co., Ltd is a professional manufacturer which have over 20 years' production and sale experience in auto parts field. The company located in Hangzhou China. We offer OEM service for you according your drawing or sample .Our mainly products include tobacco pusher springs,g... Hangzhou Norvee Machine Co., Ltd is a professional manufacturer which have over 20 years' production and sale experience in auto parts field. The company located in Hangzhou China. We offer OEM service for you according your drawing or sample .Our mainly products include tobacco pusher springs,g...
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