Torsion door Springs
We Stock Varies Sizes of Torsion Springs
What is a Torsion Spring?
A torsion door spring counterbalance system consists of one or two tightly wound springs on a steel shaft with a cable drum at each end. The entire torsion door spring mounts on the header wall above the garage door and has three supports: a center bearing plate with a steel bearing, and two end bearing plates.
The torsion springs themselves consist of steel wire with a stationary cone at one end and a winding cone at the other end. The stationary cone is attached to the center bearing plate. The winding cone consists of holes every 90 degrees for winding the springs, and two set screws to secure the springs to the shaft.
Steel counterbalance cables run from the roller brackets at the bottom corners of the door to a notch in the cable drums. When the door is raised, the torsion springs unwind and the stored tension lifts the door by turning the shaft, thus turning the cable drums and wrapping the cables around the grooves on the cable drums. When the door is lowered, the cables unwrap from the drums and the springs are rewound to full tension.
Understanding Torsion Springs
It’s important to understand the different types of garage door torsion springs that are available. A torsion bar is simply a metal or rubber bar twisted around its axis by applying torque to the ends. These are not to be confused with torsion spring winding bars. A torsion spring winding bar is used to increase or decrease the tension in the garage door torsion springs as necessary.
The type of garage door torsion spring you would typically use is known as a helical torsion spring. This is a metal wire twisted into a helix, or coil shape, using sideways forces to twist the wire around its axis, as opposed to using shear stress, as in the torsion bar. For garage doors to open and close effectively, it’s important to have quality manufacturing in your torsion springs. Poorly manufactured torsion springs can break easily, leading to very unhappy homeowners and increased garage repair expenses.
For the different type of garage door torsion springs available through Industrial Spring, see below:
Available Wire Types:
Available Wire Sizes:
- .0135" - .625"
- Custom Stenciling
- Powder Coating
- Residential Sectional Garage Doors
- Commercial Sectional Overhead Doors
- Cut-to-Length or Bulk Snakes (120", 144", 168", or 192")
Industrial Spring has over forty years of experience manufacturing the highest-quality torsion springs. If you need torsion springs, or are looking for torsion spring replacements, there’s only one company to call!
If you need help determining your torsion spring needs, contact us by filling out our easy form, or, if you know what you need, just click to request a free quote on your job. Contact us online today, or give us a call now at 800-899-7945.
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