Abstract
The influences of conditions of rotational turning by multifaceted cutters (RTMC) on the cutting point temperature under the intermittent cutting operation are examined. By employing a different geometry of the tool and selecting an appropriate tool peripheral speed so as to reduce the tool-workpiece contact time and frictions, tool temperatures and failures are suppressed. The morphology of the different types of chips generated during RTMC confirms the theoretical position of the intense fragmentation and removal of chips from the cutting zone.
Highlights
In the field of metal cutting of materials widely used such methods of turning as: the vertex cutting, peak less cutting, autorotation and forced rotary turning
The method rotary turning by multifaceted cutters (RTMC) promising multi-faceted for extra-heavy-duty processing of difficult – to-cut materials, alloy, heat-resistant, hard-steels and alloys can be used in aerospace and transport engineering
The parameters of chip geometry and workpiece roughness varies depend on the tool cutting edge and cutting conditions was determined by analytical and experimental methods
Summary
In the field of metal cutting of materials widely used such methods of turning as: the vertex cutting, peak less cutting, autorotation and forced rotary turning. Each of these methods has its rational application. Tool rotation distributes the cutting heat and tool wear to the entire cutting edge with a constantly changing contact point, and improves the tool life [6,7,8]. The kinematic parameters of the turning rotary process are the starting point for the selection of cutting conditions and tool geometry [8,9]. The method RTMC promising multi-faceted for extra-heavy-duty processing of difficult – to-cut materials, alloy, heat-resistant, hard-steels and alloys can be used in aerospace and transport engineering. The objective of this study was to investigate effect of geometrical and technological parameters of RTMC on the quality of machining
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