Once the wire is sufficiently hot the torsion spring is rapidly quenched in a vat of oil.
Oil tempered garage door springs.
Oil tempered springs these types of springs are actually torsion springs that undergo a process to strengthen them.
The fact is that the spring has a limit on how much it can be adjusted.
For example torsion springs used for garage doors lift and lower garage doors that weigh hundreds of pounds.
Anyone who suggests tightening torsion springs is wrong you are only temporarily helping your garage door.
The spring wires heat and then bathe in hot oil.
The wire which is used to make the spring is heated quenched in oil and then heated again.
Still these springs are nice because they keep their tension and rarely ever need to be tightened.
Their name derives from the way they are made.
Oil tempered springs have been around for a very long time and they are the most common springs on a garage door.
First the spring is brought to a high temperature before being quenched in an oil bath.
After the heating process the oil is slowly cooled to temper the metal.
The term refers to the oil tempering process that these particular garage door torsion springs undergo in order to increase their overall strength.
Oil tempered springs are known to be strong and reliable and they seldom experience premature wear.
These springs however have one downfall.
Minimum 10 000 cycles springs are made of steel coils with aluminum cones.
Oil tempered torsion springs are what we call the classic make for garage doors.
Oil tempered wire mechanical springs and garage door springs are often called upon to do serious heavy lifting.
They have been on the market for a very long time and are the torsion springs most garage doors utilize.
Oil tempered springs are then heat treated with a series of heating and cooling phases using hot oil so that they can adequately handle the infrequent stress applications applied to them whenever the door is opened or closed.
Torsion spring coated and oil tempered and include cones installed.
Springs are factory coated black for smoother cleaner operation.
For use on garage doors with standard lift drums.
Oil tempered wire spring for garage door springs and in various mechanical spring applications a commonly used spring type is oil tempered wire.