Left Hand Wound Spring

The load should always be placed so that the spring is closing.

Left hand wound spring.

Compression left hand wound compression right hand wound. Common torsion spring uses include clothespins clipboards swing down tailgates and garage doors. The fingers should be placed on the outside of the body and your thumb should point upwards. The easiest way to determine if a spring is left hand wound or right hand wound you have to look at in a specific way.

If the cutoff torsion end is on the left hand side of the spring 9 o clock position then the spring is lhw. In most cases you can determine the wind of your garage door torsion spring by using the color coded system on the cones at the end of the spring. A right hand wound spring will spiral in the same direction as a right hand threaded screw. If you are not able to find one of our stock items that matches your needs we can manufacture virtually any design.

Lee spring stock torsion springs are offered with legs of. On the other hand a left hand winding spring is wound in an anti clockwise direction and has its end of wire on the left side. It is hard to tell the direction of winding from the front side. Torsion springs are designed and wound to be actuated rotationally and to provide an angular return force.

If a spring screws onto a thread the direction of the helix should match that of the thread. For compression and extension springs. The above drawing shows a left hand wound spring. There are many options for leg configuration so the spring can be attached in different ways.

Usually you will have two springs on your door which will be color coded. If the end of the spring wire in the 9 o clock position then the spring is left hand wound. Alternatively if the cutoff torsion end is on the right hand side of the spring 3 o clock position then the spring is rhw. Pick up your spring and look into it.

If the last coil of the spring points in the same direction of your fingers then you are looking at the right handed spring. If it turns away from your fingers then you are looking at the left handed spring. Most of the time the end on the right hand wind is red and the left and wind is black as you can see on the graphic below. Find various sizes and angles of deflection in right hand wound and left hand wound torsion springs with straight legs and ends at grainger.

It is important to specify either right hand wound or left hand wound for torsion springs.