Abstract
Research on effect of machining parameters on geometrical surface structure of SLM manufactured CoCr alloy shafts after face turning is presented in the paper. Machining parameters were selected in order to obtain continuous variation of cutting speed at fixed feed ratio for given cutting depth. In consequent steps feed ratio was changed at fixed, unchanged cutting depth. As a criteria of optimal machining parameters, selected surface geometry parameters were measured. Experimental research was carried out by turning with typical tool and commercial cutting inserts
Highlights
Additive manufacturing of metals - so strongly emphasized in the idea of the fourth industrial revolution forces the adaptation of classic technologies to obtain products of competitive quality [2]
Dimensions of parts can change significantly after taking into account the roughness and specific machining properties of the CoCr alloy. Understanding these specific properties and developing optimal technological parameters for machining in order to meet the criteria of surface quality and dimensional and shape accuracy was the subject of the research
The test samples were made of cobalt-chromium alloy (ASTM F75) using the additive manufacturing technique, which is selective laser melting (SLM)
Summary
Additive manufacturing of metals - so strongly emphasized in the idea of the fourth industrial revolution forces the adaptation of classic technologies to obtain products of competitive quality [2] This happens with elements manufactured by additive methods from hard-to-machine alloys, which include chromium and cobalt alloys, used mainly in medicine [1, 3, 4]. Dimensions of parts can change significantly after taking into account the roughness and specific machining properties of the CoCr alloy (in sintered or cast form) Understanding these specific properties and developing optimal technological parameters for machining in order to meet the criteria of surface quality and dimensional and shape accuracy was the subject of the research
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