what grit belts for knife grinding

These 2” x 72” ceramic grinding belts come in 36 grit, 40 grit, 60 grit, 80 grit, and 120 grit. Click Here To Buy, These belts are sharper in nature than ceramic and work better for handle material work. Finishing curved surfaces in timber and soft metals, 3M This belt has been superseded by Norton Norax, Structured scratch patterns, rust removal, Grinding Handle materials, all kinds including tight radiuses. Those belts are just what you need for finishing hard metal, steel, stainless steel, carbon. If so, it could burn the hardened steel more than grind. Check for those remaining scratches under a good light. Think about this, if we lie down on one nail it sticks right into us. Most of our knife makers use a high-quality ceramic belt to bevel the knife with a P36 or P40 ( we suggest the Awuko GU65Y Ceramic or 3M 784F Cubitron II ). If you are grinding under .10 , 80 grit will go a little slower but you will have more control. We are constantly searching for products that not only save you time and money, but can also help you produce a … With usage you will fine tune a set of belts that works best for you.Cheers!Dan. As amazing as good quality ceramic belts are, they are not at all recommended for soft material. These belts cut better and outlast everything else in their class. Be sure to try the narrow scalloped belts to get superb transitions between wood and metal guards, and well blended radiuses. All Rights Reserved. They have St. Gobain (Norton) belts. Or will it still work at high speed. Aluminium oxide is friable and breaks down quickly, exposing fresh cutting edges, allowing the belt to continue to cut through the full depth of the grain. DIY 20 ton Forging Press: Part 1 - Intro and Fram... DIY 20 Ton Forging Press: Part 2 - Pneumatic Contr... Static Dissipation Brush for Belt Grinder, Motors and VFDs for Belt Grinder Applications, KBAC VFD Line (ON/OFF) Switch Installation, KBAC VFD Forward Reverse Switch Installation, Replacing Bearings in Baldor M3558T Motor, CNC 3018 Router and Laser Kit- Part 3 Testing. It needs fast speeds for maximum life and performance. Something like 180 or 320 is really only useful to me when I find a scratch I didn't get out. BND Abrasives recognise the importance of quality in all things knife making and have a commitment to only stock the best quality knife grinding belts for superior results. (Here in the States I get them from TruGrit down in near L.A., they give great, fast service.). Abrasive belts can be made with aluminium oxide, ceramic, zirconia, diamond and silicon carbide grit as well as with trizact, micromesh and surface conditioning materials. Simple theme. The ceramic grain will start to glaze and go blunt as you grind, when you grind with maximum speed and pressure the ceramic grains start to break down exposing fresh sharp edges and you will get a corresponding longer cutting life from the belt. ©2020 Artisan Supplies. These belts can be attached to a benchstand grinder, portable belt sander, backstand belt grinder, or knife belt sanders. Now I spend my time turning not sharpening. Here are a few things you need to know about ceramic belts! MADE IN USA The belt is then tracked over the other side of the platen and the other side of the knife is ground by eye to match. Finishing up to around 600 grit. A new belt should be used for each grade of compound used and belts should be kept wrapped in plastic to prevent contamination that will affect surface finish. If you are grinding .140 to .120 , consider starting with a 60grit belt or even an 80 grit belt. If you are grinding .140 to .120 , consider starting with a 60grit belt or even an 80 grit belt. Abrasive grinding, finishing and polishing belts for metal finishing. Starting out I was doing 80 grit to 50% then 120 to 80% and 220 to 90+%. Click Here. CNC 3018 Router and Laser Kit- Part 4 Dry Moly Lub... Blog — Haburn Knives - Handmade Stainless & Carbon Steel Knives and Tools. Any grinding scratches that remain will show up easier because of the red ink. These 2” x 72” Aluminum Oxide sanding belts come in 40 grit, 60 grit, 80 grit, 120 grit, 180 grit, 220 grit, 320 grit, 400 grit, 600 grit, 800 grit, and 1000 grit. A normal progression in grit in knifemaking is 50 or 60 grit for rough grinding, then 100 or 120 grit for final grind. Using J Flex belts. He recalled a conversation with Scott Sharpe, owner of Tru-Grit, about the younger generation, which seems more conscientious about safety. The zirconia grain is friable enough to keep cutting soft materials and yet resilient enough to cope with some grinding of metals. I slow my grinder down for all of the post heat treatment processes. This knife grinding pack is built to help you finish your knives faster, and better. Hi,No problem with using the same belt before or after, unless the belt is badly worn. Ultra Fine Grits: 1 each of P1000, P1200, P1500 & P5000 grits for a total of 4 belts. Note that I have one 120 grit ceramic in the list as well so you can compare the performance of the 120 zirc to the 120 ceramic. Some manufacturers's ceramic belt offerings (like VSM Ceramic PLUS) only go to 120. Using J Flex belts. They glaze and clog up, quickly ruining an expensive belt. Also, zircs being around 1/2 the cost of ceramic belts they are great for a starter set. Expect some seam slap with these lightweight backed belts, so using them in slack belt works better. But lie down on a bed of nails and the weight is distributed over so many points that none of them have enough force to penetrate. Copyright 2013 - 2020 D. Comeau Custom Knives. Click Here To Buy, Among the best belts available for finishing steel to a high level. Use an OptiVISOR or other headband magnifier o check your progress. Normally people who forge blades like to use an aggressive 36 grit belt to remove hammer marks and some people prefer to start with a 60 grit belt. Generally you want to double the grit for each progression. This can allow the user to grind up to the guide and leave a nice finish, even on both sides. J Flex Belts are about as flexible as abrasive belts get, starting with a 120 grit belt tracked about 3-5mm over the edge of the platen, the plunge line is ground on one side of the knife, If free hand grinding, normally the first grind is done on the off hand. Clamp the knife in a file guide and grind up the guide with the radiused edge of a Trizact Gator belt. J Flex Belts are about as flexible as abrasive belts get, starting with a 120 grit belt tracked about 3-5mm over the edge of the platen, the plunge line is ground on one side of the knife, If free hand grinding, normally the first grind is done on the off hand. It uses a 2" wide belt of a number of grits from 60 to 400. I use 60-grit belt for rough grinding the blade, then go to a 120-grit belt, which creates a fine enough finish prior to heat-treat. Ceramic belts are probably a waste of money on some grinders that have neither the speed nor power and the belts will glaze and go blunt very quickly. Sharp belts will take metal off quickly and you don t need much bigger than 80 grit when you are grinding thin blade stock. Zirconia belts lead the way in handle shaping and rough grinding. Scott said that when younger guys walk into his shop while he’s grinding, often they will pull their shirts up over their noses … I (but not everyone) grind bevels after heat treatment and use only ceramics for that, typically keeping 36, 60, and 120. Trizact Gators have an exceptionally deep coating of structured abrasive. Hi Goose,This is a good question. Knife grinding and sharpening kits built specifically for knife makers! Why would you not get ceramic for all of the grits besides the structured abrasives?

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