Still these springs are nice because they keep their tension and rarely ever need to be tightened.
Oil tempered garage door spring.
The spring wires heat and then bathe in hot oil.
This process makes sure the springs are less prone to damage.
Oil tempered springs for both garage door.
It s not uncommon for an oil tempered spring under heavy constant use to outlast its zinc galvanized counterpart by a considerable margin.
Class i and class ii.
High durability oil tempered torsion springs are well known for their exceptional durability.
Many garage door manufacturers offer this type of spring.
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.
Oil tempered garage door springs undergo a unique process to increase their tensile strength without introducing brittleness into the metal.
Oil tempered wire mechanical springs and garage door springs are often called upon to do serious heavy lifting.
Well to give you an idea about these two types of garage door springs here is oil tempered versus zinc galvanized torsion spring.
Historically the garage door industry used torsion springs made of oil tempered wire that conformed to astm 229 standards which detail among other things tensile strength ranges by wire size.
Their name derives from the way they are made.
What they are and their pros and cons.
Simply put oiled torsion.
This wire falls into two categories.
For example torsion springs used for garage doors lift and lower garage doors that weigh hundreds of pounds.
The difference is that class ii has higher tensile ranges than class i in the same wire size.
After the heating process the oil is slowly cooled to temper the metal.
Oil tempered torsion springs are what we call the classic make for garage doors.
The foremost reason that so many prefer oil tempered springs is durability.
Oil tempered torsion springs offer several unique advantages.
These springs however have one downfall.
The wire which is used to make the spring is heated quenched in oil and then heated again.
Therefore oil tempered springs remain the most ubiquitous type of torsion spring for the following reasons.
The vast majority of garage doors that rely on torsion springs use oil tempered torsion springs by default largely due to their cost and abundant availability.
Oil tempered springs commonly referred as the classic make this type of garage door spings have been with us for years and are the most common types of springs.