While springs are used to counterbalance the weight of garage doors, extension springs and torsion springs have different modes of operation which dictate their usage. All springs do work to maintain their static position. When a force acts upon the spring, the spring will do work to return to its static position. As long as the force does not exceed the potential energy of the spring, the spring will be capable of acting as a suitable counterbalance.
Extension springs are designed to extend and contract. The complete work cycle is measured as going from static to a load and returning regardless of the load volume. An important safety measure of the extension spring is the use of guide cables. A steel braided cable is run through the extension spring to prevent it from injuring people when it breaks. If your extension spring doesn’t have a safety cable installed or you’re unsure, contact a garage door repair company. Torsion springs operate using a rotational force called torque. Torque is the ability to do work over a distance. In this case, that’s rotational distance. Torsion springs rest on a metal bar with two drums that allow one end to rotate while holding the other end in place. As the bar rotates, it applies a load to the spring. Torsion springs are known to slip, and they are dangerous to adjust. If you think something is not right with you spring call our professionals for a garage door torsion spring repair.