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Constant Torque Springs

Constant Torque Springs

Product Description

Product Name：Constant Torque Springs

Material：Constant Torque Springs

color：Constant Torque Springs

Minimum Order：1PCS

Delivery Lead Time：1-120 days

Delivery FOB Port：Constant Torque Springs

Payment Condition：Constant Torque Springs

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Detail Specifications

Constant Force Springs
Constant torque springs features its offer high torque output with very smallspace requirements and its will providing a smooth, uniform torque through its deflection. Deflection is limited only by the length of material in the spring. Design method reference Design Center example.
If you need special Constant force or Constant torque spring size, our experienced engineers are able to design one that is right for your application.


Type A Characteristics
1. Constant output torque (zero gradient).
2. Low output torque.
3. No intercoil friction (smooth operation, low hysteresis losses).
4. Low life.
a. Maximum torque obtained at a life of 2,500 cycles.
b. Life increases as output drum increases.
5. Large number of output turns.
6. Spring can operate as clutch on output drum.

Constant torque spring theoretical analysis(A type)
　　Material \ Item
t
b
test shaft
Inner diameter
Outer diameter
straight end
Toque ±10%
operating stress
Spring length
(Recommend) working length
Life cycles prediction
unit weight
mm
mm
mm
mm
mm
mm
N.mm
N/mm2
mm
mm
cycles
g/pcs
SUS301
0.1
6.4
21.5
15.4
15.92
16
0.725192
1209.91
127.848
43.8499064
50K~75K
0.732
Input paramenters section
Results section

Type B Characteristics
1. Constant output torque (zero gradient).
2. High output torque (efficient use of material).
3. No inter coil friction (smooth operation, low hysteresis losses).
4. Low life.
a. Maximum torque obtained at a life of 2,500 cycles.
b. Maximum practical life = 35,000 cycles.
5. a. Sf = 0.025 produces 5,000 cycles life
b. Sf = 0.010 produces 50,000 cycles life
6. High number of output turns (over 50 turns possible).

Constant torque spring theoretical analysis(B type)

　　Material \ Item
t
b
test shaft
Inner diameter
Outer diameter
straight end
Toque ±10%
operating stress
Spring length
(Recommend) working length
Life cycles prediction
unit weight
mm
mm
mm
mm
mm
mm
N.mm
N/mm2
mm
mm
cycles
g/pcs
SUS301
0.1
6.4
21.5
15.4
15.92
16
26.53663
2076.55
127.848
43.8499064
10K~20K
0.732
Input paramenters section
Results section