Commercial door operator manufacturers have designed three standard safety systems: the clutch, the photo eyes, and the rpm sensor. These keep the door from injuring people or damaging objects that might be obstructing the door.
First is the mechanical clutch that slips when something obstructs the door.…
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This week one of our wholesale customers called me about stripped operator drive sprockets. This issue usually comes from overstress. However, in this case, it could possibly be due to half-baked torsion springs. I recommend the service tech disconnect the drive chain and check the door balance as per the instructions we have on our “Balanced Garage Door” blog.…
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Garage door cables are an essential part of any garage door assembly. The cables wrap around cable drums, which fasten to the shaft with set screws. When the shaft turns, the cables lift the door open. In this blog post, we will provide the basics of how garage door cables work, as well as how to assemble usable cables from lengths of raw cable, and troubleshooting procedures for when cables go wrong.…
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WD-40 is seen as the fix-it miracle on the opposite end of the spectrum from duct tape. Need to stop a squeak? Squirt some WD-40 in there. Having a hard time with gum in your hair? Spray it with WD-40! Need to soften leather, unstick some LEGOs, clean crayon marks, prevent corrosion on guitar strings?…
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In the garage door industry gapping refers to engineered spaces between coils on a torsion spring. Gapped springs function differently than ungapped springs, and using one in place of the other can cause unneeded expense and time to rectify.
Clopay EZ-SET torsion springs have specially designed gaps that are exclusive to Clopay Door EZ-SET systems.…
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There are a number of applications where the technician or homeowner needs to change the inside diameter of their springs. Our Torsion Spring Inside Diameter Converter page should help you decide if changing the inside diameter would benefit you.
One of the many reasons for changing the inside diameter is that older springs often have obsolete hardware or cones.…
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The purpose of a dock leveler snubber assembly is to raise the lip and suspend it long enough so that the lip can be lowered onto the back of a trailer. In this description, you’ll be viewing a Serco dock leveler.…
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Clients frequently ask us, “Why is one of my garage door springs slinky and the other tight?” Or, “Why is one spring stiff and the other loose?” The answer lies in the pitch of the torsion spring wire.
When a spring coils, the wire normally winds at a 90-degree angle from the spool or rod it is wound around.…
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Hormann is a German garage door manufacturer that has set up a manufacturing plant here in the United States. The purpose of this entry is to show many of the unique features of the door parts.
The bottom fixtures incorporate spring-loaded arms to prevent the cables from coming off the drums if the cable tension loosens.…
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Most garage doors consist of sections that connect with hinges. The end hinges and fixtures have rollers to allow the door to roll up into the tracks.
Wood was the primary source of door construction in the early decades.…
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Huge inventory of torsion springs for same or next day shipping! Here you will find all you need in the most common sizes of 1 3/4," 2," 2 1/4," and 2 5/8" inside diameter springs. Larger 3 3/4" and 6" inside diameter commercial and industrial springs may require a day or two to ship. You'll also find TorqueMaster Springs, Extension Springs, Self-Storage door springs, steel rolling door springs and springs for one piece single panel doors.
Shelves packed with every part you need to fix your doors.
Please note. Shipping times and costs have changed. Normal transit times are currently not guaranteed, even on next day and second day shipments. Shipping prices on items over eight feet have more than tripled.
