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The importance of cutting round blades in machining

更新时间:2020-10-22

Tools can be divided into five categories according to the form of the workpiece surface. The tools used to cut wood are called woodworking tools. These nonmetallic round blade materials allow the blades of the slitting machine to cut at a higher speed. In 1898, Taylor and The United States. White invented high-speed steel. The invention of the twist drill is first documented in 1822, but it was not commercially available until 1864. As early as 28 BC to the 20th century, China has been the spread of brass cones and copper cones, drills, knives and other copper tools.

The drills and saws of that time already bore some resemblance to modern flat drills and saws.

At that time, the slicing round blades were made of integral high-carbon tool steel with a permissible cutting speed of about 5 m/min. Cemented carbide was invented in 1923 by Friedrich Schlaetter in Germany. The word "tool" is generally understood to mean the blade of a metal cutting machine, because the round cutting blades used in mechanical manufacturing are basically used for cutting metal materials. The surface coating method combines the high strength and toughness of the matrix material with the high hardness and wear resistance of the surface layer, thus making the composite material have better cutting capability. In 1792, Taps and dies were made in Modsley, England.

However, the rapid development of slicing blades came in the late 18th century, with the development of machines such as the steam engine.

When alloy tool steel is used, the cutting speed of the circular blade is improved to about 8 m/min, and when high-speed steel is used, the cutting speed is improved to more than twice, and when hard alloy is used, the surface quality and dimensional accuracy of the workpiece are also greatly improved.

Because of the high price of high speed steel and cemented carbide, the splitter blade is overwelded and mechanically clamped. In 1972, GENERAL Electric produced polycrystalline synthetic diamond and polycrystalline cubic boron nitride blades. The first milling cutter was made in 1783 in Rene, France.

The cutting round blade is a machine tool used for cutting, also known as the cutting round blade. Between 1949 and 1950, the United States began to use indexable blades on turning tools, and soon they were used in milling cutters and other cutting tools. In 1972, Bunsha and Lagolan in the United States developed a physical vapor deposition process to coat cemented carbide or high speed steel strapping machine blades with titanium carbide or titanium nitride layers. In 1868, Muchet alloy tool steel containing tungsten was made in The UK. Machining all kinds of external surface cutter, including turning tool, planer tool, milling cutter, external surface broach and file; Hole cutting tools, including drill, reamer, boring tool, reamer and inner surface broach; Threading tools, including taps, die, automatic thread cutting heads, thread turning tools and thread milling cutters; Gear processing tools, including hob, gear shaver, bevel gear processing tools; Cutting tools, including insert circular saw blade, band saw, bow saw, cutting tool and saw blade milling cutter, etc. The late Warring States period (third century BC), because grasp the carburizing technology, made of copper cutting tools.



The development of the splitter blade has an important place in the history of human advancement.


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