Rotary Viscous Dampers TRD-N20 One Way in Toilet Seats

Short Description:

1. Introducing our latest innovation in the field of rotary vane dampers – the adjustable absorber rotary damper. This one-way rotational damper is specifically designed to provide efficient soft motion solutions while saving space.

2. Featuring a 110-degree rotation capability, this rotary damper offers versatility in various applications.

3. Operating within a torque range of 1N.m to 2.5N.m, this rotary damper offers to suit for different requirements.

4. It boasts an exceptional minimum lifetime of at least 50000 cycles without oil leakage. This ensures reliability and longevity, making it a cost-effective solution for your damping needs.

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Product Detail

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Vane Damper Rotational Damper Specification

Model	Max. Torque	Reverse torque	Direction
TRD-N20-R103	1 N·m (10kgf·cm)	0.2 N·m (2kgf·cm)	Clockwise
TRD-N20-L103	1 N·m (10kgf·cm)	0.2 N·m (2kgf·cm)	Counter-clockwise
TRD-N20-R153	1.5 N·m (15kgf·cm)	0.3 N·m (3kgf·cm)	Clockwise
TRD-N20-L153	1.5 N·m (15kgf·cm)	0.3 N·m (3kgf·cm)	Counter-clockwise
TRD-N20-R203	2N·m (20kgf·cm)	0.4N·m (4kgf·cm)	Clockwise
TRD-N20-R203	2N·m (20kgf·cm)	0.4N·m (4kgf·cm)	Counter-clockwise
TRD-N20-R253	2.5 N·m (25kgf·cm)	0.5 N·m (5kgf·cm)	Clockwise
TRD-N20-L253	2.5 N·m (25kgf·cm)	0.5 N·m (5kgf·cm)	Counter-clockwise

Note: Measured at 23°C±2°C.

Vane Damper Rotation Dashpot CAD Drawing

How to Use The Damper

1. TRD-N20 is designed to generate a large torque just before a lid closing from a vertical position,as shown in Diagram A, comes to a full closure. When a lid is closed from a horizontal position,as shown in Diagram B, a strong torque is generated just before the lid is fully closed, causing the lid to not close properly.

2. When using a damper on a lid, such as the one shown in the diagram,use the following selection calculation to determine the damper torque.
<Specifications>
Example) Lid mass M: 1.5 kg
Lid dimensions L: 0.4m
Load torque: T=1.5X0.4X9.8÷2=2.94N·m
Based on the above calculation,TRD-N1-*303 is selected.

3. When connecting the rotating shaft to other parts ,please ensure a tight fit between them. Without a tight fit,the lid will not slow down properly when closing. The corresponding dimensions for fixing the rotating shaft and the main body are as right side.

Application For Rotary Damper Shock Absorber

Rotary damper are perfect soft closing motion control components used in many different industries such as toilet seat cover, furniture, electrical household appliance, daily appliances, automobile, train and aircraft interior and exit or import of auto vending machines, etc.

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