Deceleration Technology. Rotary Dampers with high-torque range WRD-H 0607 WRD-H 0805 WRD-H 1208 WRD-H 1610 WRD-H

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1 Rotary Dampers with high-torque range WRD-H 67 WRD-H 85 WRD-H 128 WRD-H 161 WRD-H 21 Deceleration Technology ONLINE CALCULATION AND 2D / 3D CAD DOWNLOAD M m L F

2 Benefits Applications: - Mechanical and plant engineering - Vendingmachines, Counters - Car industry and sanitary industry Deceleration: - Controlled damping with rotary movements - Torques up to 7 Nm - Both sides, Right-turning and left-turning Material: - Aluminium and steel RoHS-conform: - Directive 22/95/EC Temperature: - Standard: -1 C - +6 C Special model: Stainless steel VA: - Housing Stainless steel V2A / DIN / AISI 33 - Piston rod special steel, chrome nitride coated Applications: - Food industry, Outside machinery, Medical technology

3 R (CW)* L (CCW)* C* M* (Nm) Material* WRD-H 67-R WRD-H 67-L WRD-H 67-C,8 WRD-H 85-R WRD-H 85-L WRD-H 85-C,2 WRD-H 128-R WRD-H 128-L WRD-H 128-C 1,1 WRD-H 161-R WRD-H 161-L WRD-H 161-C 2,6 WRD-H 21-R WRD-H 21-L WRD-H 21-C 3,5 Aluminium / Steel SW ØB F L (CCW) 18 R (CW) E D C SW1 ØA ØA ØB C D E F SW SW1 WRD-H ,7 13, 4 2 2,6 8 WRD-H ,2 11, WRD-H ,6 15, WRD-H WRD-H , 18, Stainless steel - from stock Clockwise TORQUE Clockwise Anti-clockwise Anti-clockwise Clockwise and anticlockwise Clockwise and anticlockwise Torque Opening angle Weight Nm º g WRD-H 67-R WRD-H 67-L WRD-H 67-C, WRD-H 85-R WRD-H 85-L WRD-H 85-C, WRD-H 128-R WRD-H 128-L WRD-H 128-C 1, WRD-H 161-R WRD-H 161-L WRD-H 161-C 2, WRD-H 21-R WRD-H 21-L WRD-H 21-C 4, Idle: At the beginning of the deceleration max. 5 Torque WRD-H 85-R-VA WRD-H 85-L-VA WRD-H 85-C-VA,2 WRD-H 128-R-VA WRD-H 128-L-VA WRD-H 128-C-VA 1,1 WRD-H 161-R-VA WRD-H 161-L-VA WRD-H 161-C-VA 2,6 WRD-H 21-R-VA WRD-H 21-L-VA WRD-H 21-C-VA 4,2 WRD-H 755-R-VA WRD-H 755-L-VA WRD-H 755-C-VA 25 WRD-H 9565-R-VA WRD-H 9565-L-VA WRD-H 9565-C-VA 5 WRD-H 127-R-VA WRD-H 127-L-VA WRD-H 127-C-VA 7 Nm

4 Important Information Rotary dampers can not be used as end stop; external stop must be provided before the end of the stroke. Temperature WRD-H: -1 ºC - +6 ºC Reference temperature for all technical information:2 C At a higher temperatures the energy absorption or torque is reduced. Fix the rotary damper at the intended bores and flats. It is not allowed to loaded rotary dampers in a static way or to fix them by welding. Rotary damper can not be used with agressive fluids.exception WRD-H...VA Adjustment If the mass in a trial run impacts excessively hard on the end position select the next model with higher torque for the series WRD-H 67, 85, 128, 161 and 21. If the mass don t reach the end position or the time is to long select the next model with lower torque for the series mentioned above. If the adjustment is not sufficient in an end position contact Weforma. Rotary dampers should under no circumstance be loaded over the damping angle mentioned in the catalogue. Fundamentals Rotary dampers may under no circumstances be: -painted -welded -held with clamps The products must be protected against contamination, fluids and air pressure. We offer special solutions for these applications. When rotary dampers are used parallel the size of the model and the used degree of hardness / used adjustment has to be the same. The load has to be distributed equally. When a shock absorber is used for an emergency case, an external end stop must be provided. If the absorption should be insufficient, please contact Weforma or the respective representation. You will find further technical informations to the series in our catalogue.

5 Drehmoment / Torque [Nm],1,8,6,4,2 -,2 -,4 -,6 -,8 -,1 WRD-H 67 Ausführung WRD-H 67 C maximale Dämpfung in beide Richtungen bei 2 C Execution WRD-H 67 C maximum damping in both directions at 2 C Ausführung WRD-H 67 C maximale Dämpfung in beide Richtungen bei 4 C Execution WRD-H 67 C maximum damping in both directions at 4 C Ausführung WRD-H 67 C maximale Dämpfung in beide Richtungen bei 6 C Execution WRD-H 67 C maximum damping in both directions at 6 C Ausführung WRD-H 67 R maximale Rücklaufdämpfung bei 2 C Execution WRD-H 67 R maximum returndamping at 2 C Ausführung WRD-H 67 L maximale Rücklaufdämpfung bei 2 C Execution WRD-H 67 L maximum returndamping at 2 C

6 WRD-H 85 Drehmoment / Torque [Nm],25,2,15,1,5 -,5 -,1 -,15 -,2 -,25 Ausführung WRD-H 85 C maximale Dämpfung in beide Richtungen bei 2 C Execution WRD-H 85 C maximum damping in both directions at 2 C Ausführung WRD-H 85 C maximale Dämpfung in beide Richtungen bei 4 C Execution WRD-H 85 C maximum damping in both directions at 4 C Ausführung WRD-H 85 C maximale Dämpfung in beide Richtungen bei 6 C Execution WRD-H 85 C maximum damping in both directions at 6 C Ausführung WRD-H 85 R maximale Rücklaufdämpfung bei 2 C Execution WRD-H 85 R maximum returndamping at 2 C Ausführung WRD-H 85 L maximale Rücklaufdämpfung bei 2 C Execution WRD-H 85 L maximum returndamping at 2 C

7 WRD-H 128 1,5 Drehmoment / Torque [Nm] 1,5 -,5-1 -1,5 Ausführung WRD-H 128 C maximale Dämpfung in beide Richtungen bei 2 C Execution WRD-H 128 C maximum damping in both directions at 2 C Ausführung WRD-H 128 C maximale Dämpfung in beide Richtungen bei 4 C Execution WRD-H 128 C maximum damping in both directions at 4 C Ausführung WRD-H 128 C maximale Dämpfung in beide Richtungen bei 6 C Execution WRD-H 128 C maximum damping in both directions at 6 C Ausführung WRD-H 128 R maximale Rücklaufdämpfung bei 2 C Execution WRD-H 128 R maximum returndamping at 2 C Ausführung WRD-H 128 L maximale Rücklaufdämpfung bei 2 C Execution WRD-H 128 L maximum returndamping at 2 C

8 WRD-H Drehmoment / Torque [Nm] Ausführung WRD-H 161 C maximale Dämpfung in beide Richtungen bei 2 C Execution WRD-H 161 C maximum damping in both directions at 2 C Ausführung WRD-H 161 C maximale Dämpfung in beide Richtungen bei 4 C Execution WRD-H 161 C maximum damping in both directions at 4 C Ausführung WRD-H 161 C maximale Dämpfung in beide Richtungen bei 6 C Execution WRD-H 161 C maximum damping in both directions at 6 C Ausführung WRD-H 161 R maximale Rücklaufdämpfung bei 2 C Execution WRD-H 161 R maximum returndamping at 2 C Ausführung WRD-H 161 L maximale Rücklaufdämpfung bei 2 C Execution WRD-H 161 L maximum returndamping at 2 C

9 WRD-H 21 4 Drehmoment / Torque [Nm] Ausführung WRD-H 21 C maximale Dämpfung in beide Richtungen bei 2 C Execution WRD-H 21 C maximum damping in both directions at 2 C Ausführung WRD-H 21 C maximale Dämpfung in beide Richtungen bei 4 C Execution WRD-H 21 C maximum damping in both directions at 4 C Ausführung WRD-H 85 C maximale Dämpfung in beide Richtungen bei 6 C Execution WRD-H 21 C maximum damping in both directions at 6 C Ausführung WRD-H 21 R maximale Rücklaufdämpfung bei 2 C Execution WRD-H 21 R maximum returndamping at 2 C Ausführung WRD-H 21 L maximale Rücklaufdämpfung bei 2 C Execution WRD-H 21 L maximum returndamping at 2 C