How Many Turns Does A Garage Door Spring Need
Based on the facts if we divide 15 000 by 3 we get samwise garage door spring s life expectancy which is 5 000 days or 13 years and 7 months.
How many turns does a garage door spring need. When you count 30 turns you should know that you have completed the remaining five turns. Counter balance the weight of the garage door. After winding the spring you may need to add or subtract a quarter turn or more. You can find vertical lift doors normally in commercial and industrial applications such as on loading docks.
Require only one spring. Garage door spring wind direction color chart. Measure the distance from the top of the closed door to the bottom of the horizontal track. In case of doubts on how many times you need to turn the spring contact a technician for guidance.
7 1 2 foot door 7 revolutions 2 30 quarter turns. Force spring exerts per 1 turn of the spring. Samwise the brave has a sectional garage door and its torsion spring is a 15 000 cycle spring. Inch pounds per turn.
That is unless it s a reverse torsion system which we are not going to discuss right now. 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. One way to help remember how many turns have been completed is to paint a line down the width of the spring. 2 means the inside diameter is two inches etc.
19 abiding ippt charts in 2019 standard garage door torsion springs clopay ez set torsion conversion kit garage door spring color code how to measure garage door torsion springshow many turns on a garage door spring mycoffeepotgarage door spring winding chart coskintorsion spring calculator instructions qualitymercial garage door torsion springs wayne dalton19 abiding ippt charts. On standard lift doors the formula is dh dc 1 or the door height in inches divided by the drum circumference in inches plus one. A rule of thumb with springs is that four quarter turns equals a full revolution and the spring needs to be tightened a full revolution for every foot of door height e g. 1 divide the total spring s ippt by the cable drum multiplier 2 multiply the spring ippt by the number of turns and then divide by the hi moment arm.
1 75 means the inside diameter is 1 inches. Garage door in many cases will dictate how many springs are needed for your garage door if the garage door is a single car door either 8 7 or 8 8 made of aluminum or other lightweight material then it will. On average samwise takes his little pony for a ride in the shire 3 times per day. If you have very large heavy door then two or more springs will be required some very heavy wood doors may require 3 or even 4 springs to provide enough lifting strength to.