1987 Volume 53 Issue 491 Pages 1507-1510
Instability theories of compression coiled springs were established some decades ago. According to these theories, when a slender coiled spring is gradually compressed, it suddenly generates a lateral deflection at the critical load. However, actual springs generate a lateral deflection gradually. When a coiled spring is compressed under condition that it is in a tube or a guided rod is inserted in it, the coiled spring may touch the wall of the tube or the rod as a consequence of lateral deflection. In this paper, compression tests were carried out for more than 200 coiled springs and lateral deflections were measured. We obtained the result that the direction and quantity of lateral deflection depends largely on the angle between the top and bottom tip-contact points of a coiled spring.
Transactions of the Society of Mechanical Engineers
Transactions of the Japan Society of Mechanical Engineers
Transactions of the Japan Society of Mechanical Engineers Series A
Transactions of the Japan Society of Mechanical Engineers Series B
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series B
TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A
