Luis Vernabe Posted August 11, 2018 Share Posted August 11, 2018 (edited) Hopefully I am on the right place. I just was grinding my blade and notice that the spine warped a bit and was wondering if I can still put the blade back in the forge to fix some issues. Edited August 11, 2018 by Luis Vernabe Quote Link to comment Share on other sites More sharing options...
Steve Sells Posted August 11, 2018 Share Posted August 11, 2018 Yes you can but you will have to harden again after Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted August 11, 2018 Share Posted August 11, 2018 And temper! perhaps "will need to heat treat all over again" would be best... Quote Link to comment Share on other sites More sharing options...
Zrognak Posted August 12, 2018 Share Posted August 12, 2018 Only things I can add is depending on how thin you have shaped the knifes edge be careful so you don't over heat it cause the thinner parts will heat up much quicker then the spine of the knife, also since you are going to heat treat it again if the edge is really thin it can crack much more easy depending on how far you got with the grinding. Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted August 13, 2018 Share Posted August 13, 2018 To help keep it from scaling up or decarburizing I would heat it in a piece of pipe stuck in the forge with one end closed off and powdered real chunk charcoal on the bottom of the inside of the pipe. Don't let it touch the sides of the pipe, Let it heat up by radiation. Quote Link to comment Share on other sites More sharing options...
Luis Vernabe Posted August 13, 2018 Author Share Posted August 13, 2018 Thanks for all the tips, Guys. Quote Link to comment Share on other sites More sharing options...
Jclonts82 Posted August 15, 2018 Share Posted August 15, 2018 On 8/12/2018 at 7:47 PM, ThomasPowers said: ...heat it in a piece of pipe stuck in the forge with one end closed off and powdered real chunk charcoal on the bottom of the inside of the pipe... I did this exact thing for the heat treatment of my first straight razor. Worked perfectly. Almost zero scale. Quote Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted August 15, 2018 Share Posted August 15, 2018 What about clamping between two plates to hold it straight during the quenching? Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted August 15, 2018 Share Posted August 15, 2018 Two hot plates that may warp during quenching themselves or affect how fast it cools; or two cold plates that will contact quench the item? Quote Link to comment Share on other sites More sharing options...
TwistedCustoms Posted August 15, 2018 Share Posted August 15, 2018 I have discovered that three normalizing cycles after forging will take care of most warping problems even when dealing with thin cross sections and fast quenches. It takes a little extra time but not as much time as starting a project over from scratch if you brake a piece while trying to straighten a warp. Once the warp is there you roll the dice and take your chances. I have removed warps by placing the work between to pieces of smooth milled hardwood and letting it rest in the vise for half an hour before tempering. Someone may know if it's better to temper before trying to remove a warp but I wont move on to the temper unless any warping can be handled first, even if it means starting over. Best to avoid all together but sometimes it just happens! Quote Link to comment Share on other sites More sharing options...
Azusa69 Posted August 20, 2019 Share Posted August 20, 2019 On 8/12/2018 at 9:33 PM, Luis Vernabe said: Thanks for all the tips, Guys. I just purchased my first Forge the devil Forge DFPROF2 + 1D"2, mine did not come with the regulator I seen your video where did you purchase that at Quote Link to comment Share on other sites More sharing options...
Irondragon Forge ClayWorks Posted August 21, 2019 Share Posted August 21, 2019 Do you realize that the member you are asking the question of hasn't been on the forum in a year? Where to buy a regulator will depend upon where in the world you are located. Have you read this yet? READ THIS FIRST Quote Link to comment Share on other sites More sharing options...
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