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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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Any spring experts here?
I need help in selecting an extension spring to counterbalance most of a 3.5# load over a hair less than 1" of travel. The 3.5# load needs to rest solidly against the bottom stop at rest, and I need most of the 3.5# load counterbalanced through the 1" stroke, so it seems I need a spring where the rate will not change significantly over that 1" travel. I have a good amount of room to mount a fairly long spring, up to about 5" contracted length. I see plenty of springs on McMaster to choose from, but I'd like to be able to order the correct spring the first time. Thanks! |
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