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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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Capturing the end of a garage door spring when hook breaks off
When a garage door spring broke the other day, I fashioned a "fix" for
it by bending a piece of strap iron: http://home.comcast.net/~bobengelhar...DoorSpring.jpg Does anybody have any experience with this approach and can tell me how well it's going to work? So far so good, but I'm a little nervous about it. Thanks, Bob |
#2
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Capturing the end of a garage door spring when hook breaks off
On Dec 11, 8:46*pm, Bob Engelhardt wrote:
When a garage door spring broke the other day, I fashioned a "fix" for it by bending a piece of strap iron:http://home.comcast.net/~bobengelhar...DoorSpring.jpg Does anybody have any experience with this approach and can tell me how well it's going to work? *So far so good, but I'm a little nervous about it. Thanks, Bob I would be too, since the other hooks are just as old. Good excuse for a visit to O'Connor's. jsw |
#3
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Capturing the end of a garage door spring when hook breaks off
Looks like it will work Bob, but you could have taken an Acet/Oxy
torch, heated up a spot and bent it 90 degrees to the coils to form a new "end" on the spring. I've done that and had no problems. Ken. On Sat, 11 Dec 2010 20:46:15 -0500, Bob Engelhardt wrote: When a garage door spring broke the other day, I fashioned a "fix" for it by bending a piece of strap iron: http://home.comcast.net/~bobengelhar...DoorSpring.jpg Does anybody have any experience with this approach and can tell me how well it's going to work? So far so good, but I'm a little nervous about it. Thanks, Bob |
#4
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Capturing the end of a garage door spring when hook breaks off
On Dec 11, 5:46*pm, Bob Engelhardt wrote:
When a garage door spring broke the other day, I fashioned a "fix" for it by bending a piece of strap iron:http://home.comcast.net/~bobengelhar...DoorSpring.jpg Does anybody have any experience with this approach and can tell me how well it's going to work? *So far so good, but I'm a little nervous about it. Thanks, Bob Where are you located, Bob? I have two springs just like that with the paint still on them. Left from a Home Depot screw up several years ago. My doors are all the spring around the shaft type. Would love to lighten the shop a bit. Let me know. Relaxed length and diameter. Just pay for UPS ground. Paul in Central Oregon |
#5
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Capturing the end of a garage door spring when hook breaks off
On Sat, 11 Dec 2010 20:46:15 -0500, Bob Engelhardt
wrote: When a garage door spring broke the other day, I fashioned a "fix" for it by bending a piece of strap iron: http://home.comcast.net/~bobengelhar...DoorSpring.jpg Does anybody have any experience with this approach and can tell me how well it's going to work? So far so good, but I'm a little nervous about it. Thanks, Bob At least put a hose clamp around it. Gerry :-)} London, Canada |
#6
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Capturing the end of a garage door spring when hook breaks off
On Dec 11, 7:46*pm, Bob Engelhardt wrote:
When a garage door spring broke the other day, I fashioned a "fix" for it by bending a piece of strap iron:http://home.comcast.net/~bobengelhar...DoorSpring.jpg Does anybody have any experience with this approach and can tell me how well it's going to work? *So far so good, but I'm a little nervous about it. Thanks, Bob It will work for now. It is time to go get a replacement though...the other end will be suffering metal fatigue also..and it is just a matter of time before it fails too. I would also recommend replacing the other spring for the same reason. Yes I know it is still working BUT metal fatigue is real and the springs are nearing their useful life. I used to only replace one spring too...until the other spring repeatily failed . ;) TMT |
#7
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Capturing the end of a garage door spring when hook breaks off
Bob Engelhardt wrote:
Does anybody have any experience with this approach and can tell me how well it's going to work? So far so good, but I'm a little nervous about it. It looks like a sturdy repair. I *would* shop for replacement springs to have on hand if the next break isn't at an endpoint. Wes |
#8
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Capturing the end of a garage door spring when hook breaks off
Too_Many_Tools wrote:
On Dec 11, 7:46 pm, Bob Engelhardt wrote: When a garage door spring broke the other day, I fashioned a "fix" for it by bending a piece of strap iron:http://home.comcast.net/~bobengelhar...DoorSpring.jpg Does anybody have any experience with this approach and can tell me how well it's going to work? So far so good, but I'm a little nervous about it. Thanks, Bob It will work for now. It is time to go get a replacement though...the other end will be suffering metal fatigue also..and it is just a matter of time before it fails too. I would also recommend replacing the other spring for the same reason. Yes I know it is still working BUT metal fatigue is real and the springs are nearing their useful life. I used to only replace one spring too...until the other spring repeatily failed . ;) TMT Yes, like shoelaces, you don't usually replace just the one which broke, do you? I've torched and bent new hook ends on those springs more than once and they held up quite a while. Particularly on springs which had a sharp bend where the hook joined the spring coils. Those bends looked like a sure stress producer to me. If you buy new springs to replace those rusty ones you've got to match the strength of the new springs to the weight of the door. Judging from the amount of rust in your photos you probably won't be able to read the color coding (if any) on those springs. An easy way to measure the weight of the door if you don't have a scale which will accept that much weight is to use a bathroom scale an a lever made from a couple of feet of 2 by 4 with one end on a small piece of wood on the center of the scale platform and the other end on a brick or something the same height as the scale platform. Position that rig so the center of the 2 by 4 is under the bottom edge of the door when it's down. With both springs disconnected (get a helper if needed) lower the door onto the center of the 2 by 4. The scale reading will be half the door's weight. If the scale still tops out move the rig so that the door hits the 2 by 4 one third of its length from the "brick end" and multiply the scale reading by 3. Jeff -- Jeffry Wisnia (W1BSV + Brass Rat '57 EE) The speed of light is 1.8*10e12 furlongs per fortnight. |
#9
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Capturing the end of a garage door spring when hook breaks off
Ken wrote:
Looks like it will work Bob, but you could have taken an Acet/Oxy torch, heated up a spot and bent it 90 degrees to the coils to form a new "end" on the spring. I've done that and had no problems. Boy, that would make me _really_ nervous. I'd worry about changing the metallurgy & weakening it. But you've "had no problems", so maybe I;ll try it next time. Do you do anything special about cooling it? Thanks, Bob |
#10
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Capturing the end of a garage door spring when hook breaks off
On Mon, 13 Dec 2010 19:57:43 -0500, Gardner
78436578346587364578364578@kjhgfjkerhfjksdhfjkdfh kjhjkgfsdhfjdhfjkhfjkgfh.com wrote: On 11-Dec-2010 22:09, Larry Jaques wrote: I can't wait for the net nannies to start screaming "DANGER!" and telling you to let a professional do it. Bob's is not a torsion spring. It's the torsion springs folks worry about -- and not without reason. This is the best resource I've found: http://www.truetex.com/garage.htm Gardner, the torsion springs are the safest of the two styles, BY FAR! You guys sure wimp out on the simplest things, I swear. BTW, your post qualifies. sigh -- Know how to listen, and you will profit even from those who talk badly. -- Plutarch |
#11
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Capturing the end of a garage door spring when hook breaks off
KD7HB wrote:
Where are you located, Bob? I have two springs just like that with the paint still on them. Left from a Home Depot screw up several years ago. My doors are all the spring around the shaft type. Would love to lighten the shop a bit. Let me know. Relaxed length and diameter. Just pay for UPS ground. Paul, thanks but I didn't see your post until after I had ordered new ones. Bob |
#12
Posted to rec.crafts.metalworking
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Capturing the end of a garage door spring when hook breaks off
Too_Many_Tools wrote:
It will work for now. It is time to go get a replacement though...the other end will be suffering metal fatigue also..and it is just a matter of time before it fails too. I would also recommend replacing the other spring for the same reason. Yes I know it is still working BUT metal fatigue is real and the springs are nearing their useful life. Yeah, I'm with you - the new ones have been ordered. Thanks, Bob |
#13
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Capturing the end of a garage door spring when hook breaks off
jeff_wisnia wrote:
... I've torched and bent new hook ends on those springs more than once and they held up quite a while. Particularly on springs which had a sharp bend where the hook joined the spring coils. Those bends looked like a sure stress producer to me. Oh, so you've done it too. That sharp bend pretty much guarantees a break. I'm thinking that the attach-er I made wouldn't produce much a stress riser at all. If you buy new springs to replace those rusty ones you've got to match the strength of the new springs to the weight of the door. Judging from the amount of rust in your photos you probably won't be able to read the color coding (if any) on those springs. No, but I have a record of the door weight, somewhere. I think. An easy way to measure the weight of the door if you don't have a scale which will accept that much weight is to use a bathroom scale an a lever made from a couple of feet of 2 by 4 with one end on a small piece of wood on the center of the scale platform and the other end on a brick or something the same height as the scale platform. Position that rig so the center of the 2 by 4 is under the bottom edge of the door when it's down. With both springs disconnected (get a helper if needed) lower the door onto the center of the 2 by 4. The scale reading will be half the door's weight. If the scale still tops out move the rig so that the door hits the 2 by 4 one third of its length from the "brick end" and multiply the scale reading by 3. That would work, but my bathroom scale always reads _way_ high G. Thanks, Bob |
#14
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Followup
When I was shopping for replacement springs I came across springs which
used the exact same attachment as I made. The attachments were called clips. And they were only used on the springs for much heavier doors. I take this to mean that they are stronger, better, than hooks. I'm tempted to make clips for the new springs. Thanks for all the replies, Bob |
#15
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Capturing the end of a garage door spring when hook breaks off
On Dec 13, 6:30*pm, Bob Engelhardt wrote:
KD7HB wrote: Where are you located, Bob? I have two springs just like that with the paint still on them. Left from a Home Depot screw up several years ago. My doors are all the spring around the shaft type. Would love to lighten the shop a bit. Let me know. Relaxed length and diameter. Just pay for UPS ground. Paul, thanks but I didn't see your post until after I had ordered new ones. Bob What! You mean I to trip over them for another 15 years? Paul |
#16
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Capturing the end of a garage door spring when hook breaks off
On Mon, 13 Dec 2010 19:24:40 -0800 (PST), KD7HB
wrote: On Dec 13, 6:30*pm, Bob Engelhardt wrote: KD7HB wrote: Where are you located, Bob? I have two springs just like that with the paint still on them. Left from a Home Depot screw up several years ago. My doors are all the spring around the shaft type. Would love to lighten the shop a bit. Let me know. Relaxed length and diameter. Just pay for UPS ground. Paul, thanks but I didn't see your post until after I had ordered new ones. What! You mean I to trip over them for another 15 years? Advertise them for sale (in Arabic) as missile launcher parts. They'll be gone tomorrow. -- Know how to listen, and you will profit even from those who talk badly. -- Plutarch |
#17
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Capturing the end of a garage door spring when hook breaks off
Larry Jaques wrote:
So you have two springs on order? Yep. On the theory that the other spring is on its last legs & might as well. ... Or run an extra wrap of wire around the end and insert it into another cable clamp backwards, giving it that extra 90 degrees to inhibit movement. Oh, I don't think that this is what you meant, but I can just put another loop through the one clamp. Remember to leave a lot of slack in the cable. It will be attempting to support the door otherwise. The springs have always broken when the door is nearly closed (that's when the greatest stress occurs), so that's not an issue. Bob Thanks for the payment, 'hope you enjoy the mags. |
#18
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Capturing the end of a garage door spring when hook breaks off
Larry Jaques wrote: On Mon, 13 Dec 2010 19:24:40 -0800 (PST), KD7HB wrote: On Dec 13, 6:30 pm, Bob Engelhardt wrote: KD7HB wrote: Where are you located, Bob? I have two springs just like that with the paint still on them. Left from a Home Depot screw up several years ago. My doors are all the spring around the shaft type. Would love to lighten the shop a bit. Let me know. Relaxed length and diameter. Just pay for UPS ground. Paul, thanks but I didn't see your post until after I had ordered new ones. What! You mean I to trip over them for another 15 years? Advertise them for sale (in Arabic) as missile launcher parts. They'll be gone tomorrow. Make sure to tell the potential customer that they are banned by the TSA. ;-) -- For the last time: I am not a mad scientist, I'm just a very ticked off scientist!!! |
#19
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Capturing the end of a garage door spring when hook breaks off
"Bob Engelhardt" wrote in message ...
When a garage door spring broke the other day, I fashioned a "fix" for it by bending a piece of strap iron: http://home.comcast.net/~bobengelhar...DoorSpring.jpg Does anybody have any experience with this approach and can tell me how well it's going to work? So far so good, but I'm a little nervous about it. Thanks, Bob Reply: should work OK. I would replace both springs. Never replace just one. You do have a safety cable in the spring, so that is very good. About 40 years ago, I had a spring break, and a 4" long section bent in the front of the dryer about 22' away. Luckily no car in the garage and I was closing the door from outside. If a spring broke, then is likely going to break again, and having 2 different rate springs twists the door. Is why I say to change both at the same time. they are not that expensive at Lowes or Home Depot. |
#20
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Capturing the end of a garage door spring when hook breaks off
On Mon, 13 Dec 2010 21:10:56 -0500, Bob Engelhardt wrote: Ken wrote: Looks like it will work Bob, but you could have taken an Acet/Oxy torch, heated up a spot and bent it 90 degrees to the coils to form a new "end" on the spring. I've done that and had no problems. Boy, that would make me _really_ nervous. I'd worry about changing the metallurgy & weakening it. But you've "had no problems", so maybe I;ll try it next time. Do you do anything special about cooling it? Thanks, Bob Bob, I just simply warm up one spot on a coil to a dull red (enough to let me bend it to right angles) and let it cool slowly. Don't quench it or heat it very hot. You'll only be changing the length of the spring by about one or two coils. Also a very good idea to run a saftey cable through the spring and secure both ends to make a cradle for a broken spring. (It could break in the middle also). HTH Ken. |
#21
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Capturing the end of a garage door spring when hook breaks off
On Tue, 14 Dec 2010 08:52:27 -0500, Bob Engelhardt
wrote: Larry Jaques wrote: So you have two springs on order? Yep. On the theory that the other spring is on its last legs & might as well. Thot so. ... Or run an extra wrap of wire around the end and insert it into another cable clamp backwards, giving it that extra 90 degrees to inhibit movement. Oh, I don't think that this is what you meant, but I can just put another loop through the one clamp. No, and NO! First, there isn't room in most clamps. Second, it would defeat itself since there are only two jaws for two cables. Remember to leave a lot of slack in the cable. It will be attempting to support the door otherwise. The springs have always broken when the door is nearly closed (that's when the greatest stress occurs), so that's not an issue. I've never had one break, but have replaced a few. Only one scratched a car, a minor ding and scratch. -- Know how to listen, and you will profit even from those who talk badly. -- Plutarch |
#22
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Capturing the end of a garage door spring when hook breaks off
On Dec 14, 7:26*am, Larry Jaques
wrote: On Mon, 13 Dec 2010 19:24:40 -0800 (PST), KD7HB wrote: On Dec 13, 6:30 pm, Bob Engelhardt wrote: KD7HB wrote: Where are you located, Bob? I have two springs just like that with the paint still on them. Left from a Home Depot screw up several years ago. My doors are all the spring around the shaft type. Would love to lighten the shop a bit. Let me know. Relaxed length and diameter. Just pay for UPS ground. Paul, thanks but I didn't see your post until after I had ordered new ones. What! You mean I to trip over them for another 15 years? Advertise them for sale (in Arabic) as missile launcher parts. They'll be gone tomorrow. -- Know how to listen, and you will profit even from those who talk badly. * * * * * * * * * * * * * -- Plutarch Spring-powered trebuchet: http://www.youtube.com/watch?v=PuDm0l_q1DE |
#23
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Capturing the end of a garage door spring when hook breaks off
On Wed, 15 Dec 2010 07:17:41 -0800 (PST), "Denis G."
wrote: On Dec 14, 7:26*am, Larry Jaques wrote: On Mon, 13 Dec 2010 19:24:40 -0800 (PST), KD7HB wrote: On Dec 13, 6:30 pm, Bob Engelhardt wrote: KD7HB wrote: Where are you located, Bob? I have two springs just like that with the paint still on them. Left from a Home Depot screw up several years ago. My doors are all the spring around the shaft type. Would love to lighten the shop a bit. Let me know. Relaxed length and diameter. Just pay for UPS ground. Paul, thanks but I didn't see your post until after I had ordered new ones. What! You mean I to trip over them for another 15 years? Advertise them for sale (in Arabic) as missile launcher parts. They'll be gone tomorrow. Spring-powered trebuchet: http://www.youtube.com/watch?v=PuDm0l_q1DE Youtube says the video is not available. -- Small opportunities are often the beginning of great enterprises. -- Demosthenes |
#24
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Capturing the end of a garage door spring when hook breaks off
"Larry Jaques" wrote in message
... On Mon, 13 Dec 2010 19:24:40 -0800 (PST), KD7HB wrote: On Dec 13, 6:30 pm, Bob Engelhardt wrote: KD7HB wrote: Where are you located, Bob? I have two springs just like that with the paint still on them. Left from a Home Depot screw up several years ago. My doors are all the spring around the shaft type. Would love to lighten the shop a bit. Let me know. Relaxed length and diameter. Just pay for UPS ground. Paul, thanks but I didn't see your post until after I had ordered new ones. What! You mean I to trip over them for another 15 years? Advertise them for sale (in Arabic) as missile launcher parts. They'll be gone tomorrow. -- Know how to listen, and you will profit even from those who talk badly. -- Plutarch Reply: Take them back to HD and get a store credit. |
#25
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Quote:
You can purchase springs with steel straps at an increased cost or you can purchase a pair a straps for 7 dollars at a garage door place. I am using steel wire rope and associated clamps which I clamp onto the spring coil and feed the wire rope through it. I have done this to the failed part and will do it to the good parts also (garage door up). The failed part is holding well and the forces on the spring are as intended as coil stretching only and not the unwinding stress as experienced with the bent up hook or loop. Your straps should work similar. My springs failed in the cold winter with the springs extended (garage door closed). This probably won't fail for many years so I won't be able to provide any feedback. |
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