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Wear on the surface roughness of
time:2010-06-12 11:03from:未知 Author:admin click:Times
Wear on the surface roughness of
Wear on the surface roughness of
In the cutting process of nickel-based superalloy materials, because of instability caused by surface roughness is difficult to control, especially in the tool wear directly affects the surface roughness. Through the cold mist, cold and room temperature mist cooling cutting conditions such as different tool wear and surface roughness morphology of experiments on high-speed machining of nickel based superalloy materials, in different cooling conditions, cutting tool wear on workpiece surface roughness, this paper reveals the cold surface high speed cutting process to improve the quality of the law.
Keywords
Cold green manufacturing cutting tools wear surface roughness
High temperature nickel alloys with good mechanical properties, strength and toughness of composite indicators and high corrosion resistance, widely used in production of aerospace engine hot end components. Because of its processing time at room temperature, large plastic deformation, cutting intensity, the stronger the higher the temperature, work hardening, and consequently usually coated carbide tools and ceramic cutting tools in high speed cutting conditions cold processing nickel-based superalloy materials This will improve the cutting ability, reducing the cutting zone temperature result in high shear strength of the underlying chip, chip easier to break, reducing tool wear and lower surface roughness.
... Cold cutting technology is used to flank the selected gas, flank, Roll forming chip flow in the opposite direction to the cutting area spray to control the cutting area, Tool and workpiece temperature, lubrication cutting deputy, to improve the status of tool wear and improve workpiece processing quality of a green surface processing methods. Literature and other methods for surface roughness prediction model using adaptive neuro-fuzzy inference system (ANFIS) to establish a milling surface roughness prediction model can easily predict milling parameters x.-j-machined surface roughness and chip deformation effects contribute to an accurate understanding of the quality of the machined surface with the milling parameters were studied. Literature of the cold mist on the speed milling Roll forming machine of titanium increases the performance of -17 was found compared with normal temperature conditions of oil mist, cold mist more effectively inhibit the tool wear.
In the high-speed machining of nickel base superalloy during impact has been the geometric surface roughness factor is controllable, but instability is not controllable. The author in the experiment for different lubrication conditions of cooling high-temperature alloy high-speed cutting tool wear generated using the experimental research and analysis, research in the cutting process because of tool wear on the machined surface roughness have different effects.
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