The other factor is when long they lastCBN as well as its products are mainly suited to precision grinding of tool steel, alloy steel, heat-resistant steel, stainless-steel and other materials. Although the price is slightly more than that of general abrasive grinding wheel products, thermal stability and chemical inertness pc general abrasive wheels at superabrasivetools.com/diamond-cbn-honing-stones-sticks/ , diamond wheels, etc. Vitrified bond CBN grinding wheels are typical used wheels during grinding process.
The physical and chemical properties for instance hardness, thermal stability and chemical inertness of CBN are over other abrasives, and it's also the best abrasives for use for grinding steel material. Although CBN is more expensive, it's economically justified due to range of advantages within the grinding process. Through the calculation of the number of economic indicators, the grinding expense of vitrified bond CBN grinding wheels manufactured from CBN compounded with metal powder and ceramic bond for a certain temperature may be saved greater than 70% as opposed to grinding valuation on corundum grinding wheel.
For grinding materials which are difficult to be processed with higher strength, high hardness, high toughness, high viscosity, hot temperature resistance and corrosion resistance, the grinding tools must have good physical and chemical properties and mechanical properties. In order to improve grinding efficiency and precision, the grinding wheels ought to have high toughness and long service like. New kind of vitrified bond CBN grinding wheel could perfectly meet these grinding performance requirements. The wide putting on the new CBN grinding wheel is incompatible with all the physical and chemical properties from the excellent vitrified bond. The performance from the bond interacts using the performance on the CBN abrasive to realize a similar high crystal strength to generate a phase transition.
The other factor is when long they last. My older matrix ones had different wear rates. The 80 grit, after over 6 numerous production turning still had half on the matrix left for the hub. The 320 grit wore out inside of a little at least a year. I got another and had a similar problem. I got a 150 grit wheel, and yes it seemed to last greater. It got retired after I got the electroplated wheels. The electroplated wheels totally have a enter period, which will depend on how much they have been used. It took me in regards to month. They are very aggressive when new, while using 180 grit cutting faster than 120 grit. The 80 grit wheels cut faster than standard 80 grit wheels. After they burglary, they still cut faster, even so the resulting bevel surface is a lot more polished looking with diamond flap disc . The biggest difference between both types is usually that the matrix wheels will leave a far more shiny bevel surface, and cut as quickly.
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