Constant hanger operating principle A three-spring constant hanger moves through 100 millimetres of travel while synchronized graphs show main spring force plus auxiliary spring resultant remaining equal to a constant 50 kilonewton support force. PIPEANCHOR SUPPLY CONSTANT HANGER · OPERATING PRINCIPLE MAIN SPRING + AUXILIARY RESULTANT = CONSTANT SUPPORT FORCE CAM–ROLLER LINKAGE · PRIMARY MOTION MOVING YOKE 50 kN 0255075100 TRAVEL mm UPPER CAM +4.0° FORCE SUPERPOSITION MAIN + AUXILIARY = CONSTANT 0255075100 mm MAIN SPRING 0 100 kN AUXILIARY +50 0 −50 kN CONSTANT LOAD 50 kN MAIN000 kN AUX+50 kN TOTAL50 kN 0 + (+50) = 50 kN SUPPORT FORCE REMAINS CONSTANT ACROSS FULL TRAVEL ILLUSTRATIVE FORCE RELATIONSHIP — NOT SELECTION DATA TRAVEL 0–100 mm · WORKING LOAD 50 kN