One of the greatest problems of modern production techniques is the achievement of an appropriate quality at
minimal costs and accompanied by the production efficiency increase. Therefore, while designing the production
process, the technology used should have a considerable influence on the durability and reliability of machine parts to
be produced. During finish treatment, the final dimensions as well as functional properties are imparted to a given
element by application of proper treatment type. The engineer has a range of production techniques to choose for the
proper surface layer formation. It is crucial to find a suitable solution which will meet the requirements as well as the
work conditions of a given machine part.
The article presents the preliminary research results referring to the analysis of the influence of finishing lathing
on the cutting forces and surface roughness of steel. The research was performed on a roller 39 mm in diameter made
of S235JR steel. The finish tooling of pump shaft pins was carrying out on a universal centre lathe. The finish lathing
process was carried out by means of a CCMT 09T304 PF Sandvik Coromant cutting tool with replaceable inserts.
During the research, the effect of changes in the depth of cut on the value of cutting forces and temperature was
defined. In addition, the influence of the depth of cut on the surface roughness was determined.
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