Dongguan Longji Plastic Electronic Co., Ltd.| Manufacturer
Dongguan Longji Plastic Electronic Co., Ltd.

China Manufacturer with main products: Damper, Rotary Damper, Door Damper, Toilet Seat Damper, Break, Dampers, Valve Damper

Home  >Products Catalog > Rotary Damper (Uni-directional) for Automatic Selling

Rotary Damper (Uni-directional) for Automatic Selling

Payment Terms: T/T
Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Guangdong in China
Packaging Details: 50PCS Per Plastic Pallet, 500PCS Per Carton

Quick Details

  • Brand Name: LJ
  • Model Number: LF-38A Uni-Direction


1. Suitable for the following products:Home appliance, such as TV, VCR and CD player.
Car ashtray and cup holder.
Drawer, sliding door, trash bin and small box of furniture.

2. Material:
Shell\cover: PC
Axis core/gear: POM
Seal ring: Silica gel
Damping oil: Silicone oil

3. Basic principles:
The torque made by the damping oil to the rotating parts cohesion effect is the resistance. The value of the resistance is decided by the viscosity and contact area is bigger, the resistance is bigger, and vice versa.

4. Temperature Characteristics:
Resistance of the damper varies according to the ambient temperature. Since the temperature effects the sealing damping oil fluidity. If the temperature is higher, the fluidity is higher, and the resistance is lower, and vice versa. The suitable temperature range is -20° C-80° C.

5. Speed Characteristics:
Under common condition, the resistance made by the oil to the rotating parts cohesion effect will be higher if the rotating speed is higher, and vice versa.

6. Resistance and Testing:
In the production testing under normal 27.5° C, put the products on the axis rotating in a speed of 36r/min. And the resistance in the 3rd rotate is looked as the standard one. Commonly, the resistance can be adjusted from 100g to 400g.

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