ACE big disk damper TRD-57A-403 two way damper both way Size How to use the damper 1.Dampers may generate torque in both directions, clockwise, orcounter-clockwise.
ACE big disk damper TRD-57A-403 two way damper both way
100% performance test
Oil leakage test
Lifecycle test>50000 times
Max.rotation speed 50rpm
Max.cycle rate 12 cycle/min
Operating temperature –10-50°C
Weight TRD-57A : 75g, TRD-57A : 94g
Main body material Iron (SPFC)
Oil type Silicone oil
How to use the damper
1.Dampers may generate torque in both directions, clockwise, orcounter-clockwise.
2.Please make sure that a shaft attached to a damper has a bearing, as the damper itself is not fitted with one.
3.please refer to the recommended dimensions below when creating a shaft for TRD-57A. Not using the recommended shaft dimensions may cause the shaft to slip out.
|Shaft’s external dimensions|
HRC55 or higher
0.5mm or higher
1.0Z or lower
Chamfer end (Damper insertion side
4.To insert a shaft into TRD-57A, insert the shaft while spinning it in the idling direction of the one-way clutch. (Do not force the shaft in from the regular direction. This may damage the oneway clutch.)
5.When using TRD-57A, please ensure that a shaft with specified angular dimensions is inserted in the damper's shaft opening. A wobbling shaft and damper shaft may not allow the lid to slow down properly when closing. Please see the diagrams to the right for the recommended shaft dimensions for a damper.
A disk damper's torque varies according to the rotation speed. In general, as shown in the graph to the right, the torque increases as the rotation speed increases, and the torque decreases as the rotation speed decreases. Torque at 20rpm is shown in this catalogue. In a closing lid, the rotation speed is slow when the lid begins to close, resulting in the generation of torque that is smaller than the rated torque.
Damper torque (rated torque in this catalogue) varies according to the ambient temperature. As the temperature increases, the torque decreases, and as the temperature decreases, the torque increases. This is because the viscosity of the silicone oil inside the damper varies according to the temperature. The graph to the right illustrates the temperature characteristics.
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