Abstract
This paper presented the experimental results about investigation of the influence of the cutting conditions on the surface roughness when hole turning the SCM400 steel. Three cutting paramesters that have mentioned in this study included cutting speed, axial feed rate, and cutting depth. The experimental design was chosen following the orthogonal matrix and added the center experiment points. The analyzed results show that the axial feed rate has the greatest degree of impact on the surface roughness. And, the second and third factors have negligible effect on the surface roughness that are cutting speed and cutting depth, respectively. These results will guide the determination of the cutting conditions in order to machining the part surface with roughness that was ensured the setting requirement. Finally, the directions for further research were also mentioned in this paper.
Highlights
In machining processes, turning is the machining method that is used very commonly
The un-deformed chip thickness is directly proportional to the surface roughness
An experimental method was carried out to investigate the influence of cutting conditions on the surface roughness
Summary
In machining processes, turning is the machining method that is used very commonly. The number of lathe machines is usually about 25 ÷ 35% of the total toolmachine. The amount of work that was done by turning method is about 40% of the total machining process volume [1]. For hole surfaces with the high requirement of accuracy, the common methods are used that are the inner grinding, grinding, boring, sharpening, turning, etc. Turning is arguably the most popular method, allowing processing of many different diameter sizes and this method is suitable for many types of production than the rest of the methods. Research on turning technology has been carried out by many scientists, many of whom have focused on controlling the turning processes to machining the part surfaces with the small surface roughness
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