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Resin Diamond Wheel can be Used for Grinding Cemented Carbide Inserts
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Milling inserts have the highest precision among carbide indexable inserts, and the peripheral grinding machine are used for peripheral grinding of such inserts. Resin diamond wheel can be used for peripheral grinding . At present, as for the peripheral grinding machines, the grinding wheel frame not only performs high-speed rotation but also axial swing, so that the grinding wheel is generally not trimmed during the whole grinding process to avoid huge waste. However, when the new grinding wheel is mounted on the flange, there is a coaxiality error between the grinding wheel and the flange. Therefore, when new resin diamond wheel is used for the first time, the grinding wheel should be trimmed so that the grinding wheel, the flange and the main shaft could rotate on the same axis. In this way, the wheel could have the correct geometry. Since the grinding wheel is expensive and generally not trimmed, the grinding wheel should be ensured uniform wear throughout the whole use process
Advantages of New Type Vitrified Bond CBN Grinding Wheel
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CBN is a new type of superhard material with ultra-high pressure and high temperature technology after synthetic diamond using . CBN and its products are mainly suitable for precision grinding of tool steel, alloy steel, heat-resistant steel, stainless steel and other materials. Although the cost is slightly higher than that of general abrasive grinding wheel products, thermal stability and chemical inertness are superior to general abrasive wheels, diamond wheels, etc. Vitrified bond CBN grinding wheels are common used wheels during grinding process. Grinding performance of grinding wheels is different with diamond, CBN, silicon carbide and corundum abrasive. Diamond is the hardest abrasive, but it’s not ideal used for steel material with large grinding toughness due to poor thermal stability. Silicon carbide wears rapidly due to its low hardness and chemical activity to iron group metals. Corundum is a conventional abrasive used for grinding steel material, but the hardness is rel
Key Technology of High Speed and Ultra High Speed Grinding for CBN Grinding Wheel
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High-speed and ultra-high-speed grinding technology research should be conducted with super-hard material CBN as a tool, modern ultra-high-speed cutting technology and modern high-flexibility and high-automation equipment to accelerate the practical process. The core key technologies for achieving high-speed and ultra-high-speed grinding to be gradually improved include high-speed and ultra-high-speed grinding mechanism research, high-power and high-speed motion unit equipment manufacturing technology, high-flexible and high-automation system, grinding center, research and development about super-hard abrasive micro-powder high-speed grinding wheel preparation technology and super-hard abrasive wheel dressing technology. Vitrified bond CBN grinding wheel is one of the most common wheels. The main research work about high-speed and ultra-high-speed grinding mechanism is to develop high-speed, ultra-high-speed grinding computer animation, vision and predictive simulation software with
Grinding Technology Development of CBN Grinding Wheel
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Improving the quality of processing and the efficiency of grinding processing has always been an important goal in the field of grinding. The high-speed, ultra-high-speed precision grinding process is an advanced, high-quality and low-intensity developed manufacturing process technology in recent years. High-speed, ultra-high-speed grinding technology means that high-precision, high-automatic, high-flexibility manufacturing equipment can be reliably achieved with the super-hard abrasive grinding wheels to greatly improve the grinding speed to improve the material removal rate, processing precision and processing quality. CBN is cubic boron nitride with a microhardness of 800-900 MPa, which is slightly lower than diamond. However, its heat resistance (1400℃) is almost double that of diamond (800℃). Due to the poor thermal stability of diamond grinding tools, it should be used with speed limit, and the thermal stability of CBN abrasive grains is good, so CBN grinding wheels can be used
How to Use Diamond Wheels to Grind Cermet?
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Cermet is an important tool material that includes non-metallic refractory composites (ceramics) and metal bond with lower melting point. Diamond wheels grind cermet. They can be economically ground with diamond wheels , so the range of applications continues to expand. In Europe and the United States, all carbonitride-containing materials are generally considered to be cermets. In Japan, cermets refer only to those materials that contain titanium carbide. As a tool, it must have toughness and wear resistance at high temperatures. Early cermets were very hard but quite fragile, and modern cermets enhanced toughness and reduced hardness. The hardness mainly depends on the titanium nitride and titanium carbide content. The properties of these composites with the binder phase affect their grindability. The temperature of grinding cermet is higher than that of grinding tungsten carbide, and the grinding force is larger, especially the normal grinding force. Diamond wheels grind cerme
Analysis about Diamond Wheel for Glass Beveling Grinding
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Straight-line beveling grinding of glass and mirrors is widely used in the architectural and glass furniture industries. The completion of the straight line bevel grinding production process for glass and mirrors is inseparable from the diamond grinding wheel. Studying and analyzing various elements of the diamond grinding wheel for beveling glass grinding the beveled glass are significant for saving energy and improving efficiency in deep processing of glass. The process of beveling glass grinding with diamond wheels is very complicated. During the grinding of the glass by the diamond wheel, the diamond abrasive grains are irregularly distributed on the surface of the grinding wheel. The manufacturing precision of the diamond grinding wheel itself also affects the end face runout and radial runout during beveling glass grinding process, which will affect the surface roughness of the glass. High-strength diamonds are indeed effective in increasing the sharpness of diamond wheels. In