Seat Damper, Ace Rotary Damper Disk Damper TRD-57A One Way
Seat damper, Ace rotary damper Disk damper TRD-57A one wayModelMax.torquedirectionTRD-57A-R3033.0±0.3N·mClockwiseTRD-57A-L303Counter-clockwiseTRD-57A-R4034.0±0.5 N·mClockwiseTRD-57A-L403Counter-clockwiseTRD-57A-R5035.0±0.5 N·mClockwiseTRD-57A-L503Counter-clockwiseTRD-57A-R6036.0±0.5 N·mClockwiseTRD-57A-L603Counter-clockwiseTRD-57A-R7037.0±0.5 N·mClockwiseTRD-57A-L703Counter-clockwiseFeatures: 100% performance test Environment test Oil leakage test Lifecycle test>50000 times ISO9001:2008 ROHS directiveMax.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 oilSizeHow 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 dimensionsø10 0–0.03Surface hardnessHRC55 or higherQuenching depth0.5mm or higherSurface roughness1.0Z or lowerChamfer end (Damper insertion side4.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.Damper Characteristics1.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.
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