grade is concerned, it is normal practice to use soft grade wheels where the area of grinding contact is large and harder grade wheels where the area of grinding contact is small. In surface grinding, for instance, where the area of grinding is large, coarser grit, open structure wheels are recommended.
A grinding wheel is a self-sharpening tool composed of discrete abrasive grains held together by a bonding agent with composite structure of many clearance allowance for the cutting edges. The characteristics of a grinding wheel depends upon the combined elements of abrasive, grit size, grade, structure and bond. GRINDING WHEEL
Throughout the grinding wheel's history, the bond that holds the abrasive grains together has proven as important as the grains themselves. The success of grinding wheels began in the early 1840s, when bonds containing rubber or clay were introduced, and by the 1870s a bond with a vitrified or glass-like structure was patented.
Wheel grade describes the tightness of the bond holding the abrasive, from soft to hard, and determines speed, feed rate, and grinding depth. Grain spacing refers to the density of the abrasive material and determines whether it is used for heavy stock removal or finishing.
A Great Grinding Wheel For Woodturning Tools and other High Speed Steel Tool The Norton K-Grade is a harder wheel that keeps its shape better than softer wheels. The harder grade is great for sharpening high speed steel tools without wearing grooves in the wheel.
Alibaba.com offers 1,257 grinding wheel grades products. A wide variety of grinding wheel grades options are available to you, such as grade standard.
Aug 25, 2019· (Soft grinding wheel/Hard grinding wheel) - It basically refers to the hardness of the wheel, in short we can say how well the grit is attached to the wheel. Soft grinding wheel means the grit is loosely attached to wheel. Hard grinding wheel mean...
The grade is the factor which has the greatest influence on the cutting sharpness of a grinding wheel; thus, the selection of grade must be done deliberatively. As a general rule, hard material requires a low grade wheel and soft material is best ground by a high grade wheel. The common trend of grade selection is as shown in Table above.
May 04, 2019· This produces metals with different shapes. The grinding wheels obtained of different shapes like round, square, cup and dishes. These grinding wheels are ideal for a wide range of materials and can perform hard grinding of tools, like steels and other metals. A grinding wheel consists of a composite material.
Norton precision grinding wheels are designed to consistently achieve precise finishes and tight geometry tolerances. Whether you work with cutting tools, automotive components like camshafts and crankshafts or aerospace components, our precision grinding wheels will stand up …
One of the world's leading manufacturers Applications. Use for grinding cemented carbides and non-ferrous metals. Features. Vitrified bond gives rich stock removal and its rigidity is excellent for precision grinding.
Abrasive Grinding Wheels are essential in all areas of metal fabrication and metal cutting applications. Sparky Abrasives offers premium grade Grinding Wheels in a variety of styles to suit your needs! To quickly and efficiently grind all types of metal we offer Depressed Center (Type 27) Grinding Wheels.These abrasive wheels are available in the standard Aluminum Oxide grade or for a stronger ...
Grinding wheels usually will be between 24 and 100 grit. Honing stones and jointing stones and other polishing abrasives will be 150 grit and higher. Use a coarse grit for fast, aggressive stock removal and finer grits for less stock removal but better surface finish. Grinding wheel hardness
G represents the grinding wheel grade. The grade refers to it's hardness, or how hard the abrasives are held by the binder. Most wheels fall between G-K, with lower letters in the alphabet indicating softer grades. 800 means that it has induced porosity. This particular wheel is quite porous, and is known by Radiac as Por-Os-Way.
Dec 15, 2000· Grinding machine horsepower must also be considered. In general, harder grade wheels should be used on machines with higher horsepower. If horsepower is less than wheel diameter, a softer grade wheel should be used. If horsepower is greater than wheel diameter, choose a harder grade wheel.
INDUSTRIAL CATALOG STOCK ITEMS READY TO SHIP. ... Wheel Grade <42Rc 42-50Rc 50-57Rc >57Rc nG H n I n J hardness of the ... and performance are critical to efficient grinding. Wheel hardness is dependent on the holding power of the bond, the stock removal and finish required.
Our Coolest Running Grinding Wheel. When speed is important to your grinding, the Norton 3X wheel is a wheel worth considering. Unlike other fast cutting wheels, the 3X wheel actually runs cool so you run less risk of overheating your tool. Our medium 60 grit is a good way to grind your initial bevel.
And unlike a wet grinder, the wheels grind really fast - perfect for busy woodworkers. These wheels are typcially "I" grade which is perfect for cool running and grinding regular edge tools. We also stock "K" grade wheels are a little harder, run a little hotter, but are less friable.
Wheel grade will determine the wheel speed, grinding depth, maximum and minimum feed rates, coolant flow, etc. Soft-bonded wheels are quick to release the grains, so the wheel wears out fast. When it comes to hard-bonded wheels, dull grains cause glazing, so the grains wear out fast, so the cutting edges are lost quickly.