Vibration Of Spiral Spring Unit
The unit consists of a flat spiral spring attached between ball bearings mounted shaft and a fixed bracket. The spiral spring is formed by a cold rolled steel strip. Two-arm lever is fitted to the shaft diametrically opposite each other. Two sliding weights on the lever can be securely
attached in position using clamping screws. These sliding weights can change the moment of inertia of the spiral spring-rotating mass system.