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A guy at work who does a lot of woodworking asked me if I could make him a marking knife. I made this out of a coil spring and heat treated both cutting ends. I finished my 2x72 belt grinder which really made this turn out better than some of my previous projects.
 

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A guy at work who does a lot of woodworking asked me if I could make him a marking knife. I made this out of a coil spring and heat treated both cutting ends. I finished my 2x72 belt grinder which really made this turn out better than some of my previous projects.
Do you have picts. of grinder? In process of building one. The knife looks really nice. Thanks
 

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Here it is. I could give you measurements if you want. I built this out of 3" sq tubing cut offs I got at the scrap yard. The platen is 2.5 angle iron I lapped flat like a handplane. The wheels are from Oregon blade maker on ebay. The motor is a 4 hp 220v 3450 rpm I got off CL. The table i built out of 2" sq 3/16 tubing and one piece of 1/4 plate for the top. Total cost was probably about $250 maybe?

Don't laugh at my welds haha I'm just a home gamer with a buzzbox!
 

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Here it is. I could give you measurements if you want. I built this out of 3" sq tubing cut offs I got at the scrap yard. The platen is 2.5 angle iron I lapped flat like a handplane. The wheels are from Oregon blade maker on ebay. The motor is a 4 hp 220v 3450 rpm I got off CL. The table i built out of 2" sq 3/16 tubing and one piece of 1/4 plate for the top. Total cost was probably about $250 maybe?

Don't laugh at my welds haha I'm just a home gamer with a buzzbox!
Lookis real nice. What size of a gas spring did you use ? Thanks alot
 

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I used a 30lb strut. I got it at Autozone. They dont list them by pounds on the package but the guy let me pull them out of the package and when I found one that was the right size and that I could compress easily he looked up the part number up and it listed at 30lbs. I mounted mine upside down so that any grinder dust doesn't harm the seal and I make sure to wipe it down before I compress it to change belts. It was about $20 or so I think.

I will say my towns Advance Auto was zero help in finding a gas strut haha. The girl looked at me like I was retarded when I asked about looking the lbs up to see if it was the one I needed. She kept asking me what vehicle it was for and I kept having to explain that I'm not using it for a vehicle but to tension a belt grinder. Again she didnt get it... haha
 

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I used a 30lb strut. I got it at Autozone. They dont list them by pounds on the package but the guy let me pull them out of the package and when I found one that was the right size and that I could compress easily he looked up the part number up and it listed at 30lbs. I mounted mine upside down so that any grinder dust doesn't harm the seal and I make sure to wipe it down before I compress it to change belts. It was about $20 or so I think.

I will say my towns Advance Auto was zero help in finding a gas strut haha. The girl looked at me like I was retarded when I asked about looking the lbs up to see if it was the one I needed. She kept asking me what vehicle it was for and I kept having to explain that I'm not using it for a vehicle but to tension a belt grinder. Again she didnt get it... haha
The reason I asked is we use them at work and Mcmaster Carr sells them by poundage. Thanks once again.
 

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That's a japanese style marking knife, iirc. If I'm not mistaken, they come as a left and right side cut. Good job on that one!!

That's a dandy grinder Blacksmith!!
 

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the name of that blade might be kiridashi.
 

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the name of that blade might be kiridashi.
I have a friend who uses a kiridashi, they are more like a real knife almost from what I remember.

I modeled mine off of what they make at williamsburg. The guy said he wanted a "colonial" style marking knife.

This is what I used as a reference, but I made mine a little differently just because no one likes a copy cat haha.

Williamsburg Marking Knives
 

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I will say my towns Advance Auto was zero help in finding a gas strut haha. The girl looked at me like I was retarded when I asked about looking the lbs up to see if it was the one I needed. She kept asking me what vehicle it was for and I kept having to explain that I'm not using it for a vehicle but to tension a belt grinder. Again she didnt get it... haha
Yeah, try finding parts for a 1952 M37 Dodge weapons carrier. Brake fittings are brake fittings, but when they insist on the vehicle and you toss that out... They look at you like you have a horn in the middle of your head.
 
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