NEVER going-back to freehand grinding after this!
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- Опубліковано 18 лис 2023
- Fredrik ends up this amazing series by starting the video with his heat treatment process, grinding the initial bevels using this amazing knife jig by Oliver Tobin, polishing the belts and finishing with style!
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Fredrik Spåre www.spareknives.com
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The simpleness of the serrations. Never thought of that.
What belts did you use after the 60 grit?
Tknx for this awesome video!
That was very interesting and contained much that other knifemakers have not explained .
Glad to hear you found it useful! Thanks for watching!
Hello, could you make a video explaining what a bimetal is and how they are used in knives. I am fairly certain I know what the meaning is as I am a metalworker, but there is uncertainty in the meaning for me.
Thanks😁
Ive seen a lot if old smiths use water on the anvil to pop scale. 🤝
If you set it on the anvil to cool, the anvil will act as a heat sink and it will not cool evenly.
Thanks for sharing your process Fredrik and thanks for the creating this helpful content @UKBladeshow
Cheers bud! Nice to speak with you again today !
Where can one buy the jig?
👏👏👏🤜🤛
I like the overall process except for one small point. After normalising, Frederik then cold works the blade prior to heat treating. This may reduce the grain size in places to a point that some areas of the blade may not harden fully. I would be happier to see a second normalise at about 880C after all the cold working is completed.
Sparks are of no consequence. If the metal shows colour from getting hot when grinding then you could have a problem@alexander-iu8rr
Is that grinding jig available for purchase somewhere?
Hi Shaun, yes, it is available through Tobin Machines (Austria). You can also watch a video we did about grinding belt methods, including this jig, here: I tried this once and will NEVER freehand grind again!
ua-cam.com/video/VEVmXViW34c/v-deo.html
- Vinz
So how are you avoiding cracks with all this cold forging?
If the steel is properly annealed, cold forging is not a problem
@@tobiashangler Ahhh! I somehow missed that these are annealed. Thanks!
All jigs (including these) are limited to the style of knife you can do. And you cannot change the angle of the bevel your doing. The angle is at the mercy of the jig. Which is why freehand will always be superior
If you set it on the anvil to cool, the anvil will act as a heat sink and it will not cool evenly.