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Material Characteristics Of The Cutting Piece
The effect of slow-feeding on the characteristics of the [url=https://www.auroraabrasive.com/14-inches-cutting-disc/]cutting disc for stainless steel[/url] during grinding. The type and size of the load applied to the individual cutting piece particles during the grinding process will affect the cutting performance of the abrasive particles, which in turn affects the choice of the best cutting piece. To illustrate this point, an under-the-counter test was carried out: M2 high-speed steel was ground using a 0.5 mm r 90 ° V-type ceramic bonded cutting piece, and two ABN600 and ABN800 cutting pieces were tested and normal-grinding was performed.
The force, power and wear of the cutting disc are monitored. It can be seen that the ABN800 normal grinding force is low. When the feed rate is increased, the cutting rate is increased and the grinding force is also increased. However, for the ABN800 cutting piece, the improvement of the grinding force is relatively small. The tendency of the grinding power to increase with the increase of the feed rate is basically the same as that of the ABN600. Although the grinding force and energy measured for the cutting piece made of the ABN800 cutting piece are low, the wear of the end face of the [url=https://www.auroraabrasive.com/5-inch-resin-metal-cutting-disc/]5 inch resin cutting disc for metal[/url] having a curvature of 0.5 mm is also reduced. When the feed rate is increased from 200 mm/min to 300 mm/min, the relative percentage of the three parameter increases, ie the cutting power is increased by 50%. As the severity of the grinding conditions increases, the advantages of abrasive grains with sharp-angled features are more prominent.
Nickel-chromium steel is a material that is difficult to grind. For the high chip removal rate of the sharp-edged cutting piece, the ceramic-bonded cutting piece was used to grind the nickel-chromium steel of the grade 718. The two high-strength cutting pieces, ABN600 and ABN800, were tested as before. It can be seen that the ABN800 retains its advantages when the table speed is 150 mm/min and 200 mm/min compared to the ABN600. Both cutting blades exhibited high blade wear rates when the table speed was further increased to 300 mm/min. However, the test results show that when the same material is ground using a cutting blade made of a sharp cutting piece, a reasonable cutting blade life can be obtained at both speeds of 150 mm/min and 200 mm/min.
The M2 high speed steel surface grinding test was carried out using a resin bonded cutting piece. In the experiment, the size of the small cutting piece made of the two cutting sheets of ABN600 and ABN800 was 125 mm × 6 mm. The experimental results show that the cutting piece using the sharp cutting piece has a long life and a low grinding power. It is well known that during the grinding process, an instantaneous interface high temperature is generated between the cutting piece and the workpiece grinding surface. Tests have shown that cubic boron oxide produces a lower interfacial grinding temperature than conventional dicing sheets. The key reason is that the specific grinding of cubic boron oxide cutting sheets is lower than that of commonly used cutting sheets. Through experiments, it can be seen that with the increase of cutting depth, the cubic boron oxide cutting sheet has low grinding energy, mainly due to the high thermal conductivity of cubic boron oxide.
In summary, in the grinding of different materials and process conditions, the reasonable selection of cutting sheets can reduce the surface precision of grinding and improve the surface quality of grinding, which can double the grinding efficiency and achieve low cost. The processing effect, and the long life of the [url=https://www.auroraabrasive.com/5-inch-resin-metal-cutting-disc/]125*1*22 EN12413 cutting disc[/url], the dressing frequency is low, the metal removal rate is high, and the grinding force is small and the cooling effect is good.
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