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Bench-mounted shear tempering
This is a discussion on Bench-mounted shear tempering within the Problem Solving forums, part of the Blacksmithing category; I want to make my own bench-mounted shear for cutting sheet & small sized rods. Its pretty simple to fabricate, ...
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09-23-2008, 07:22 PM
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 Bench-mounted shear tempering
I want to make my own bench-mounted shear for cutting sheet & small sized rods. Its pretty simple to fabricate, but... I would welcome any suggestions about the correct temper for the two cutting edges. Please don't tell me the temperatures in degrees! Colours to look for or comparisons to other tools' tempers (e.g. punches, hammers, springs, hammers etc.) are the kind of guides I'd like. The steel I'll be using is old vehicle leaf-spring. Many thanks in anticipation of useful advice given.  |
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09-23-2008, 08:00 PM
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Temper as you would a cold chisel? Seeing as how you will be cutting the stock cold. Blue temper.
__________________ Founder and first member of the SBA, The Space Blacksmith's Association! |
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09-23-2008, 10:08 PM
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If you KNOW what king of steel your working with there are specifics on tempering THAT type steel. To guess at the steel and to guess at the tempering is still at best just a guess.
__________________ Tools do not make the blacksmith, the blacksmith makes the tools. gc If you do not build a box, then you do not have to think outside the box. If someone questions your standards, they are not high enough. |
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09-25-2008, 10:54 AM
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Thanks for that Apprentice Man, I guessed a blue temper but am glad for a second opinion. Glenn, I have some old leaf-springs but have no idea what make of vehicle they came from, let alone the exact type of steel. I think that getting the temper right for the shear will be a case of trial and error. |
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