Abstract
In these days, diamond burnishing is frequently used for final finishing manufacturing operations of components. Diamond burnishing belongs to cold plastic manufacturing procedures. When using this technique, the following advantages can be obtained: micro-hardness of near surface layer is increasing; surface roughness is improving and the shape correctness is also improving. This paper deals with how the different technological parameters of burnishing, such as the feed rate, the burnishing speed and the burnishing force effect on the cylindricity of the burnished workpiece. The experiment was done on some specimen having outer cylindrical surfaces. The experiments were executed by the Taguchi type Full Factorial Experiment Design method with which empirical formulas can be efficiently created. The measurements of the cylindricity of specimens were done with a circular and position error measuring. From the measured data, special improvement ratios were calculated in order to define the appropriate range of technological parameters which results high improvements. Further aim was to compare the measured values of different cylindricity parameters.
Highlights
The development of production engineering and manufacturing is an important part of realization of the tasks determined in the Industry 4.0 [1] in environmentally way [2, 3]
The researches dealing with the shape correctness [4] and surface roughness of the machined surface [5,6,7], become quicker
The values of the measurements can be seen in Table 3. with the percental values of the improvement ratios calculated from them
Summary
The development of production engineering and manufacturing is an important part of realization of the tasks determined in the Industry 4.0 [1] in environmentally way [2, 3]. More and more papers deal with the examination of residual stresses [8] and changes on the texture [9] taking part on the surface. This is the reason why these features decisively determine the lifetime and reliability of the products [10]. In most cases diamond burnishing can be more effective than conventional chip removal finishing processes as grinding, lapping and polishing. The procedure of burnishing is performed for final finishing manufacturing of inner and outer cylindrical surfaces, the main areas of its applications are automotive and aeronautics industries. The design of experiment is used to determine optimal process parameters in the manufacturing industry, such as for the end milling processes [21]
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