50.1 F
Washington D.C.

Step by step instructions to make a knife from an old saw cutting edge


Step by step instructions to make a knife from an old saw cutting edge

Making a blade is a delightful venture on various levels. You’re making a principal apparatus — one of the first instruments ever constructed — and each time you lift it up, you’ll think, “Goodness, I made this with my own hands.” And in light of the fact that you’re making the blade, you’ll have the capacity to change its shape to fit your particular needs. The trickiest piece of making a blade is the cutting edge. On the off chance that you have a manufacture convenient, and can get your hands on some great instrument steel, that is extraordinary. On the off chance that you don’t, you can at present make a blade utilizing an old Appalachian trap: reusing. That is we’ll main thing in this undertaking.

Free Credit Card Knife

Old saw sharpened pieces of steels are quite often produced using excellent steel. You can discover them in wealth at swap meets, carport deals, scavenge deals, and so on. The greatest favorable position of utilizing an old saw is the absence of metallurgy you have to do. The razor sharp edge is now the right hardness for holding an edge, so you don’t have to treat the steel to make it a decent blade. In any case, spaces cut from the saw are now and again on the verge of excessively adaptable, yet you can work around (or with) it.

The steel in this carefully assembled blade won’t be super-hard. This is not perfect in light of the fact that your blade will lose its edge rapidly in the event that you attempt to hack through wood, cut cardboard, or utilization it as a screwdriver. Be that as it may, the fortunate thing about gentler steel is that you can take it back to a dangerously sharp edge with a couple strokes of a honing stone. I really incline toward gentler steel as I like a sharp edge, and I convey a little honing stone with me. On the off chance that you can shave your arm hair, your blade is sufficiently sharp.

A blade can take various structures and styles. In this undertaking, we’re going to make what’s known as a full-tang blade, implying that the sharpened steel broadens its full length into the handgrip of the blade. A fractional tang expands just somewhat into the handle. A full-tang blade is, as I would see it, the least demanding approach to begin making blades. It additionally delivers a strong, solid blade that is less inclined to sever at the handle.

Free Credit Card Knife

Materials List

  • Old saw blade
  • Thin cardboard manila file folder
  • Pencil
  • Scissors
  • Chalk or soapstone
  • Cold chisel
  • Hammer to drive the chisel
  • Sturdy piece of metal plate to use under your work
  • Metal files (coarse and fine)
  • Wire brush
  • Coarse (00) steel wool
  • Light oil (3-in-1 or gun oil)
  • Acetone
  • Cloth rags
  • Vise
  • C-clamps
  • Hardwood (oak, maple, cherry, etc.) for handle scales
  • Handsaw (Japanese pull saw preferred) if you’re cutting your own scales
  • Two-part Epoxy (slow-cure)
  • 3/16″ brass rod
  • Power drill
  • 3/16” sharp metal drill bit
  • Ball-pein hammer
  • Duct tape
  • 4-in-hand or a patternmaker’s rasp
  • Sandpaper (80 and 150-grit)
  • Cabinet scraper (optional)
  • Sharpening system of some sort
  • Ear plugs or hearing protection earmuffs

Step by step instructions to make a knife from an old saw cutting edge Step 1: Set up your example.

Your blade;  your example!  You can utilize a current blade and follow it onto the cardboard, or you can plan your own. For this situation, I’m outlining my own particular shape in view of an old blade utilized by people from the hide exchange. Utilize a French bend to verify your bends are steady and all the more essentially, beautiful. It’s a well known fact that a beautiful shape in an instrument or blade is a decent shape. When you come to the heart of the matter that you’re content with your shape, remove it with a couple of scissors. In my blade plan, I did exclude a support or fingerguard like in the outline above.

Step 2: Exchange the outline to your metal stock.

Step by step instructions to make a knife from an old saw cutting edgeUtilizing a bit of chalk or soapstone, follow your example onto the old saw cutting edge. It doesn’t need to be impeccable, as you will be utilizing your eyes as you go, and you will be documenting any defects.

Step by step instructions to make a knife from an old saw cutting edgeStep 3: Score the layout of your cutting edge.

Before you begin this stride, put on your listening to assurance and spot an extensive bit of metal plate under your metal stock. In the event that you have an iron block, don’t work straightforwardly on it, as you would be driving solidified steel onto solidified steel. Something’s gotta give, and you truly don’t need that something to sever the etch and imbed itself in your body some place.

Line up your etch with your chalk line, take a full breath and give it a decent whack. It may not carve completely through the sharpened steel, but rather the score it makes will suffice until further notice. Cover the etch checks as you work around the layout so there is one strong line, not a progression of dashes. Take as much time as required.

Free Credit Card Knife

Step 4: Burst out the cutting edge.

Step by step instructions to make a knife from an old saw cutting edgeMaking a sheer is the thing that breaks the metal. I do this by setting the metal over the edge of an iron block and hitting it with a mallet as close the scored line and the blacksmith’s iron as I can. On the off chance that you don’t have an iron block, put your saw cutting edge in a tight clamp and tap the razor sharp edge as near to the cut line as you can. In the event that you did the etch function admirably your blade cutting edge ought to pop right out of the metal.

Step 5: Record the cutting edge to shape.

Step by step instructions to make a knife from an old saw cutting edgeThe etch doesn’t leave the best edge, so you’ll have to spruce up the piece with a record. For this stride, recall that sheet metal is full (that is the reason individuals play hand saws with a violin bow). The sound of documenting a bit of sheet metal is one of genuine torment. Minimize this by bracing the cutting edge as close the tight clamp as you can and make sure to wear your listening to insurance.

Note: Don’t endeavor to put an edge on your blade yet. The edge ought to be opposite to the sides of the cutting edge. Search for a reliable stripe the width of the cutting edge. That lets you know you’re prepared for the following step.

Step 6: Begin the handle.

Step by step instructions to make a knife from an old saw cutting edgeWe’re making a full-tang blade, which implies the cutting edge will be obvious the distance around the handle. We’ll do this by adding a size of wood to every side of the handle. (A scale is a level bit of wood, bone, or some other material that will make the handle.) You can buy pre-made scales or make your own. In this occasion I’m making my own particular scales out of a couple braces of oak trim I had laying around. Follow the framework of your cutting edge on to your wood stock two times to make the state of two scales. At that point remove them.

Step 7: Clean and shine your clear.

Step by step instructions to make a knife from an old saw cutting edgeClean your clear with steel fleece and a bit light oil (weapon oil or 3-in-1 works extraordinary). After it’s spotless (however not so much totally sparkly), tidy up the clear with some CH3)2CO to evacuate all hints of oil. Blending oil and epoxy doesn’t work. You can get a thought of what the metal looks like from this picture. Keep in mind, no oils left or your scales won’t cling to the clear.

You can do as much or as meager as you need with this stride. In the event that you need your blade to have a more provincial look, utilize a little oil and steel fleece (00, or twofold nothing, which means twofold zero). Steel fleece comes in 00, 000, and 0000. The fourfold nothing is utilized for fine cleaning, for example, expelling rust from a firearm barrel. The 00 is fine for a blade, unless you’re truly careful. I like to leave a bit shading in this sort of natural blade.

Step 8: Set up for your bolts.

Step by step instructions to make a knife from an old saw cutting edgeBolts are appealing and will reinforce your blade. Do it right and you wouldn’t need epoxy, however I like belts and suspenders.

You will wind up with three bolts through your blade sharpened steel. Begin by penetrating a gap through the tang, and line up one of your scales with the handle and bore through the scale. Verify you are supporting your scale with a bit of scrap plywood so it doesn’t part out when you penetrate through. Embed the pole through the tang and through the scale, in addition to 1/8″ as demonstrated previously. That is the place you need to wind up in the long run.

Put your second scale against the razor sharp edge, include around 1/8″, and imprint it with a pencil. You’ll utilize this later.

Do this two more times, and you ought to have one scale with gaps, a sharpened steel with gaps, and one scale without gaps. Pull the pole from the openings in the event that it’s still there, and utilize the razor sharp edge as a layout to check the gaps on the scale without gaps. Verify you’re boring into the posterior of the scale with the scale situated appropriately (direct end to the point).

Free Credit Card Knife

Presently reinsert the pole into the first opening on the outside of the first scale, through the handle, and through the rear of the scale you simply bored. It ought to be tight with your 1/4″ checking still 1/4″ from the surface of the scale. On the off chance that it’s correct, extraordinary; cut it off with a hacksaw and supplement the pole in the following gap.

On the off chance that make take a touch of objecting to hit the nail on the head, and on the off chance that you have to bore a little to make things line up, let it all out. Simply attempt to keep the wood openings round. When that one is in, go to the following opening nearest to the edge, and rehash the procedure. Presently separate the scales from the razor sharp edge, leaving the bars in. A screwdriver or a blade can offer assistance.

Step 9: Append your scales to your blade.

Step by step instructions to make a knife from an old saw cutting edgeBlend a bit two-section epoxy, about the span of a half-dollar, and spread it on one side of the blade clear. (Try not to utilize five-moment epoxy. It’s feeble and doesn’t give you time to work.) Place a scale on the epoxy. Rehash this procedure on the opposite side of the edge.

Presently slide your scales back on the blade razor sharp edge and tap into spot. You may need to utilize an open tight clamp to permit you to tap the scales into spot, yet they ought to go on reasonably effortlessly.

Step by step instructions to make a knife from an old saw cutting edgeAfter both scales are joined and you’re certain the scales are in the perfect spot, put a clip or two on the scales and fix until you see a little epoxy dot shape along the edge between the scale and the blade clear. This is called press out and is a sign that you have a decent bond. When it overflows, quit cinching. You need a little epoxy in the space.

Note that there’s a Great deal more bar standing out than 1/8″. That is on account of I didn’t know the amount I would requirement for a bolt, so there’s additional like 1/4″ or all the more on every side.

Step by step instructions to make a knife from an old saw cutting edge

I managed the overabundance bar by recording it off. It’s delicate so it didn’t take much. Obviously, you were more brilliant than me and profited from my experience. You won’t need to do this.

Step 10: Pein your bolts.

Step by step instructions to make a knife from an old saw cutting edgeThe most exceedingly bad part about building things without anyone else’s input is that occasionally you can’t make photos of a specific stride. So I will be as clear as could be expected under the circumstances. Place your blade on a hard surface, for example, a metal plate or a blacksmith’s iron in case you’re sufficiently fortunate to have one or know somebody that does.

Utilizing the round side of a ball pein sledge (it’s known as a pein for a reason), tap your metal bar, moving the hits in a slight roundabout movement, not hitting the pole straight in the center. This permits the metal to mushroom a tiny bit. Pein your bolt for a couple of minutes, turn your blade over and rehash. On the off chance that the bars don’t have all the earmarks of being equivalent on every side, tap the pole so it stands out somewhat more on the other side.

Keep on tapping, turning the blade frequently as the bars (now bolts) approach the handle. As the bolt touches the scales, tap a bit harder and break (somewhat) the bolts. Continue going and do the other two.

Step 11: Shape and sand the handle.

Step by step instructions to make a knife from an old saw cutting edgeCinch the handle in a tight clamp and start molding your handle. There’s no set approach to do this, however I discover a 4 close by or patternmaker’s grate lives up to expectations extraordinary. Relax, running the scrape basically here and there at a 45 degree edge to the cutting edge. Work gradually. In the event that you get the chance to near to the razor sharp edge with your grate you can dull the scratch.

As you keep on molding with your grate, check the handle habitually to verify it is symmetrical and fits your hand pleasantly. Go moderate; it’s simpler to take off than set back.

At the point when your handle is the shape you need, sand it with a heavier coarseness sandpaper (80 or thereabouts), then step by step use better and better corn meal until the handle is a smooth as you need it to be. Feel free to sand your bolt heads to level them on the verge of excessively. The metal is delicate and the sandpaper will cut the metal fine and dandy.

Free Credit Card Knife

At the point when sanding wood, you can tell you’re prepared for the following better coarseness when you can see no sanding imprints from the past coarseness. As it were, the point at which you go to a 120 or 150-coarseness from a 80-coarseness, you ought to see no sanding denote that are from the 80-coarseness. In the event that you move to better coarseness too rapidly, you’ll have more work to do when you venture down for the following sanding.

Step 12: Complete your handle.

Step by step instructions to make a knife from an old saw cutting edgeI like oiled completions, so I utilized a hempseed oil to complete the handle. You can utilize whatever suits your extravagant. The more layers of oil, the wealthier the look and you’ll be giving a considerable measure of security for wood.

Step 13: Hone your razor sharp edge.

Step by step instructions to make a knife from an old saw cutting edgeWrap cardboard or cowhide around your finely sanded handle and secure with pipe tape. Clasp the blade handle in your tight clamp with the edge to be honed confronting up. Put on your wellbeing glasses and listening to security. Utilizing a record, begin scraping here and there the razor sharp edge edges, holding the document at a more or less 20–22 degree point to the edge.

Picture this separation by slicing a 45-degree edge down the middle. Try not to drag the record, as it just cuts on the pushing stroke. Try not to document in one spot an excessive amount of or you’ll make a low spot, which implies a do-over on the off chance that you need a decent, genuine edge.

Step by step instructions to make a knife from an old saw cutting edgeDo a couple strokes on one side, then on the other. You’ll see your pleasant level edge vanish as you evacuate metal. Watching this edge is a decent marker of how even your documenting is. The vast majority (myself incorporated) have a tendency to spoil the tip by either not recording it enough, or letting the edge float toward 25…, 28…, 30… Be watchful and go moderate. Stop when you have a recorded edge that looks clean and straight.

On the off chance that you do botch this up, document the cutting edge level as you did in Step 5 and begin once again. Contingent upon the measure of the edge, the tip may vibrate. Bracing a little C-clasp with a bit of scrap wood on the back of the cutting edge can decrease vibrations (and keep your puppies, felines, and different animals inside of earshot from crying at the sound).

Step 14: Sharpen the cutting edge.

Step by step instructions to make a knife from an old saw cutting edge You can utilize any kind of honing system: Jewel stones, Arkansas stones, Japanese wet stones, clay sticks; it doesn’t make a difference. You’re simply refining the edge. When you’re set, cut something to test the knife.

Free Credit Card Knife

John Turner
John Turnerhttp://www.patriotdirect.org/
Dedicated to upgrowth, developement and prepared for the "worst" to come... Simple guy, simple skills, simple attitude. Just an ordinary guy who tries to survive!

Related articles

Recent articles