Issuu on Google+

Get To Know The Features Of Torsion Springs Torsion springs are immediately recognizable to many people and are a common sight in many kinds of applications. They are the reference of the saying “wound up tight, like a coil�. They have uses in a range of industries including construction, petroleum, recreation, healthcare, lawn and garden, furniture, hardware, electrical, consumer appliance, automotive, and farming. Exactly What Is A Torsion Spring There are 4 main types of springs and a torsion spring is one of them. Torsion springs include compression springs which are used much like shocks in an automobile. Extension springs are included in this grouping and are usually used in older garage door openers. Much like the driving mechanisms for old-style timepieces, they also include spiral springs. The torsion spring exerts energy within the torsion (turning direction), perpendicular to the main axis. It is commonly used to store mechanical energy; torsion is used to place the spring into a twisted state. The spring will exert a torsional force while in this state as it returns to its relaxed state. Springs Come In Two Kinds Torsional springs come in two forms. In the first form, the spring contains an elastic object, that can be twisted in a direction vertical with respect to its axis. The rubber band that's attached to the propeller of a toy airplane is one example. Once it has been wound, the rubber band, which is the spring, drives the propeller. The second type of spring includes a wire forming a coil shape. The wire must be of a material and diameter that the coil can be twisted temporarily, without deforming permanently into a new shape. An example of this is a mousetrap, where the catch bar is driven by a coiled wire spring. Applications Of Springs Clothespins are one of the most commonly seen uses for the springs. In the mechanism in an automatic garage door opener, homeowners will see these springs as they act as a counterbalance to the weight of the door panels. Small springs that pop open access doors, similar to a Jack In The Box, are utilized in digital cameras and compact disc players. In order to provide high-end absorption, modern vehicles frequently use thick steel torsion bars together with a lever arm to connect the wheel axis to the body of the vehicle. Military vehicles, which see a great deal of rough terrain, also gain from this type of shock absorption mechanism. Ancient siege engines utilized torsion springs in order to fling boulders at enemy buildings. The hairspring in mechanical timepieces is another example. The incremental management of the reflection of light onto a projector screen is also possible by spring technology which controls tiny mirrors in the equipment. Specifying These Springs Size and radial force are the two items used to specify springs. The radial force is the rotational All-Rite Spring Company

Page 1


Get To Know The Features Of Torsion Springs force applied when the spring is in its totally cocked state. A specific rotational distance is what specifies this state. The cocked state of a mousetrap spring may only be 1/4, 1/2 or 3/4 of a turn while the totally cocked state of a garage door spring might be a number of revolutions. As the spring uncoils, it exerts a diminishing force, linearly proportional to change of the radial distance. For precision uses like a timepiece, this is important. The size of the coil needed to satisfy the specifications for radial force are driven by the wire diameter and the material the spring is made of. The best design strategy is to decide on the coil size and the force, then check out a catalog of torsion springs to find an appropriate match. If you want a solid amount of torque to make a product more functional, buy torsion springs to help with the task. For more information on All-Rite Spring, stop by their website at http://www.allrite.com/.

Document Tags: torsion springs http://www.allrite.com/

All-Rite Spring Company

Page 2


Get To Know The Features Of Torsion Springs