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A constant torque spring is a specially stressed constant force spring traveling between two spools. The spring is stored on a storage spool and reverse-wound onto an output spool. When released, torque is obtained from the output spool as the spring returns to its natural curvature on the storage spool.
The spring doesn't need to be attached to the storage spool. The spring can be housed in a cavity, eliminating the need for a storage spool altogether. However, friction is then introduced and can change the torque requirements.
The torque produced by a constant torque spring will increase slightly over many turns. Constant torque, or even negative torque, is also possible. Negative gradients of up to 50% can be achieved in certain applications.
Key Features
- Long deflections at nearly constant torque. Positive or limited negative gradients can be achieved
- Minimal intercoil friction and resultant hysteresis as is common in power springs
- Provides rotary motion directly from output drum or linear displacement through the use of cable and spool
Application : cord retractors ,cordless shades ,drive motor usage
Color | as custom |
Min. Order : | 1000 Piece/Pieces |
Lead Time : | 6-10days |
Supply Ability : | 3000000 Pieces/week |
Packing: | inner packing: as per customer's requirement(PE bag and blister) |
outer packing:carton or box due to customer's requirement | |
Style : | Coil, Disk, Dish, Leaf, Wire, Waved |
Endurance Limit : | 100000 times |
Usage : | Machine Parts/Lighting Accessories/Hardware/Plastic |
Period Validity : | one year |
Please offer me your drawing or sample,so we can produced according to your request.
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About us
Dongguan Weihui Hardware Spring Products Co., Ltd. is a professional manufacturer specializing in various springs since the year of 2006.With 9 years development, our main products are extension spring, spiral spring,waved spring etc. Maybe we are small in your eyes, but we are full of vitality, honesty and integrity.
Why Choose Us?
♦Industrial experience
We specialized in the spring field since the year of 2006.
♦Sample availability
We can send samples for your approval within 7 days;Free of charge if we have available tool.
♦Quickly Delivery
As usual within 10 days.
♦Good service and best quality
Our business belief is "best competitive price,good service and best quality"
Good Service
We will respond to you within 24 hours. We can manufacture nonstandard parts according to your drawings. And we offer best after sale service.
LOW PRICE:
The price of our products is reasonable and competitive than other manufactures.
RICH EXPERIENCE:
We have been engaged in the springs for 9 years. Our company had good reputation with customers from American, Europe and Australia etc. We also have a good team for sale and quality control.
Looking forward to hearing from you soon !
