Steel: The “Welding steel” at Tractor Supply/ Lowes/ Home Depot is mild steel and useless for knives Buy new, known, annealed blade steel. Use commercial quench oil & match oil speed to the steel type Here is a good post by Kevin Cashen with the Explanation and classification of oil speeds. For heat treating yourself with minimal equipment, find a Eutectoid steel 1080, 1084.
They can ricochet off something and come back behind your face shield and saftey glasses, guard on machine, wheel matches machines rpm, don’t bind wheel in slots, don’t drop the wheel it may crack. Many people grind with the face of the wheel instead of the edge of the wheel. Grinding with the face can cause a couple serious conditions, one is it thins the wheel, which is not that serious, but as it thins the wheel it ca also wear through the fiberglass web that gives the wheel much of its integrity and make it much more apt to come apart. If you grind with the wheel semi flat its better then the edge will start to thin and smaller pieces can fly off the edges and although not as dangerous as chunks still painful. If you have a high spot a flapper wheel will not get it flat as quick as a disk because the flaps will go up and over the high spot a little bit and still remove a little of the low areas. The edges of flapper wheels can also become extremely thing and turn into a whirling knife edge and will cut flesh in a heart beat. In conclusion, having used disk grinders from 4 1/2″ to 9″ for years in the metal trades I personally feel they are not much more dangerous than a belt grinder when used properly.
Yeah sticks I know, i work with the big thick ones because they are way more fogiving! once i get my courage up i would like to make a fillet knife out of a saw blade. Hi kajunman1- i use an angle grinder, after you have shaped the blade( the curve leading to the point etc)clamp it down on it’s sideuseing just the weight if the grinder, lightly go side to side up and down the length of the blade until there is a definite ridge runing down the middle of the blade blend that a little and your ready to sharpen, but like sticks65 said this method is only for thick files. Again reading this is tough i’ll try to get some pics out.
how to grind a bevel with an angle grinder Related Question:
Do you grind bevels before or after heat treat?
I like to heat treat first before grinding double edge and complex grinds to avoid warpage. Otherwise I grind first, heat treat and then finish grinding at the higher grits. I usually go up to 220 grit and sometimes 400 grit before heat treat on simple grinds.
What is a bevel gauge used for?
Bevel gauges are indispensable guides used to measure the sharpening angle of the cutting edge of a chisel or plane iron. We always talk about the angle to which a tool should be ground, but without a decent gauge it’s hard to get it right. A bevel gauge is a great way of maintaining and setting angles when grinding.
Do you put an edge before after heat treating?
No sharp edges for safety reasons; please plan to finish grind after the heat treating process. Sharp spines are acceptable. A hole in the tang is helpful during processing, allowing us to hang the blades vertically. The hole should be at least 1/8” in diameter.
How thick should a heat treat knife be?
Well-Known Member. . 030-. 040″ thick before heat treat, this also helps to prevent the edge from warping and cracking, and leaves plenty of thickness to clean up.
When should you temper a knife?
Tempering should be carried out within a reasonable time after hardening, preferably within an hour or so. It is of vital importance that the blade should be allowed to cool to room temperature before tempering is started.
How do you bevel an object?
To bevel using the modifier, select the object and in the Modifiers properties panel click Add Modifier then select Bevel from the Generate list of options. For simple bevel effects, rounding edges for example, adjust Width and Segments to increase/decrease the area affected and the number of subdivisions used.
How do I open bevel menu?
We can access Bevel tool in edit mode from “Mesh > Vertices > Bevel or Mesh > Edges > Bevel or Mesh > Faces > Bevel”. We can access Bevel tool in Edit Mode from Specials, by pressing “W” it displays a specials menu, from which we can select Bevel. We can also access the Bevel tool by pressing “Ctrl+B”.
Why do you bevel pipe?
Beveling is used to neaten and smooth out the ends of the tube for safety. Including this process provides aesthetically pleasing results to all welding procedures. In simpler words, beveling is altering the shape of the pipes before welding, so they fit better.
What angle do you bevel pipe?
Pipe beveling is the process where an angle is formed between the edge of the end of a pipe or tube and a plane perpendicular to the surface. A standard pipe bevel angle for welding is 37.5 degrees.
