Disk Damper, Rotary Damper Used in Seatings, Chairs

Disk damper for seating, chair TRD-47A bothway direction torque 1-4Nm

Product Details
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Disk damper for seating, chair TRD-47A bothway direction torque 1-4Nm

Model

Max.torque

direction

TRD-47A-203

2.0±0.3N·m

Both direction

TRD-47A-303

3.0±0.4N·m

Both direction

TRD-47A-403

4.0±0.5N·m

Both direction

Note) Rated torque is measured at a rotation speed of 20rpm at 23°C±3°C


Features:
100% performance test
Environment test
Oil leakage test
Lifecycle test>50000 times
ISO9001:2008
ROHS directive

Max.rotation speed 50rpm
Max.cycle rate 12 cycle/min
Operating temperature –10··50°C
Weight TRD-47A: 50g, TRD-47A:55g
Main body material Iron (SPFC)
Rotor (shaft) material Nylon (with glass)
Oil type Silicone oil


Size

 

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-47A. Not using the recommended shaft dimensions may cause the shaft to slip out.

Shaft’s external dimensions

ø6 0–0.03

Surface hardness

HRC55 or higher

Quenching depth

0.5mm or higher

Surface roughness

1.0Z or lower

Chamfer end (Damper insertion side

4.To insert a shaft into TRD-47A, 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-47A, 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.

 


Damper Characteristics

1.Speed characteristics
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.

2.Temperature characteristics
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.


 

 

Welcome to purchase high quality and precise disk damper for seating, chair trd-47a bothway direction torque 1-4nm from Toyou Industry - one of the leading such manufacturers and suppliers. We have been specialized in this field for over 15 years. And we offer customers the most competitive price. Don't hesitate any more.

We warmly welcome our regular and new clients to join us for Disk Damper, Rotary Damper Used in Seatings, Chairs. We firmly believe that as long as we take the market as the guidance, take the innovation as the driving force, take the quality as the cornerstone and take the creation of the first-class enterprise as the goal, we will surely win a better tomorrow. We continue to strengthen the overall competitiveness of the company, striving for development in competition and seeking opportunities in challenges.
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