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Thread: 1095 stubby WIP
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01-18-2020, 07:03 PM #21
I thought of that same smith when John said 4 or 5 heats. There is another video of his where he talks about forging 2 gross of knife blades per day and a dozen was 13 to make up for grinding wastage. That's 312 blades per day forged and heat treated!
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01-20-2020, 07:21 AM #22
That’s pretty incredible, especially considering how long it takes me to forge a blade.
Finished rough grinding and heat treating. I started off at 1650f cooled to black, 1600 cooled to black, 1500f cooled to black, 1400f cooled to black, 1475 and quenched. Let cool until I could comfortably hold it in my hand then tempered twice at 400f. Just waiting on the second tempering cycle.
Tried using Rutlands chimney patch to keep the scale at bay. Pretty much all flaked off while cooling on the first normalizing cycle.
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01-21-2020, 04:55 PM #23
Did they skate a file after the quench? I've learned the hard way to always check that.
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01-21-2020, 04:57 PM #24
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01-21-2020, 07:46 PM #25
Yeah both skated files like they were made of glass. The belt grinder is a bit slow and I’m down to my last 36 grit blaze belt. Any recommendations for belts? I need to make another order and need something that can hog post heat treat. My only experience has been with the blaze 980p. I was thinking maybe trying an AO belt and see how that goes. The ceramic belts are so freaking wxpensive they’re difficult to throw away even when they stop cutting. I’ve been using a scrap piece of metal to refresh the grit but that only lasts so long.
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01-21-2020, 07:51 PM #26
I’m thinking I’ll try and make a western type kamisori and cool around with different tempering heats to see what hardness makes for a well rounded edge.
Both the blades were tempered x2 at 400f and seem harder than the blade you helped me with last year at the meet.
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01-21-2020, 07:53 PM #27
I like the Blaze belts for hard steel and use them at 36 and 50 grit. I like the feel of aluminum oxide better and use them when most of the material is gone 60 grit and up, but they dull really quickly. Charlie had some less expensive ceramics that he liked, I don't remember the brand.
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The Following User Says Thank You to bluesman7 For This Useful Post:
jfk742 (01-21-2020)
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01-21-2020, 11:48 PM #28
VSM? I think I saw them on Pop’s.
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01-24-2020, 04:13 AM #29
Got all the grinding done. I need to spend some time on the buffer for the hollows and think I’ll end up with a 1k w/d sand paper finish for the tang and spine. The blades are a little dirty and all the errant scratches are 600 grit and were “finished” on the grinder with a Trizact A16 (1200ish grit).
The hair looking thing on the one tang is actually a cold shut, oh well. Hopefully they shave. Both will most likely get some black horn.
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02-01-2020, 04:43 PM #30
Did some clean up with hand sanding on the tang to blend the tang to the spines.
Forgot to take pictures of the other one with the thumb notch before I scaled it.
Here’s a photo of shaping the scales with a card scraper, scale material is horn.