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. Conventional turning machines belong to the basic equipment of ships, because in sea
conditions, they enable the execution of a spare part or carrying out the necessary operations in the process of their
regeneration. The use of modern cutting tools makes it possible to obtain a surface with low values of surface
roughness parameters. The use of new generation cutting inserts on conventional lathes can cause problems for
operators. The lack of the ability to ensure proper of treatment condition and setting errors of cutting tools contribute
to the damage of the cutting insert or the surface of the workpiece. The article presents the results of influence of
different cutting parameters on surface topography during turning process of stainless steel. A shaft made of 304L
stainless steel was used for the research. The cutting process was carried out on a universal TUM 25B x 500 centre
lathes. During the turning the following machining parameters were used: cutting speed Vc [m/min], feed f [mm/rev]
and depth of cut ap [mm].The turning process was conducted by a cutting tool with CCGT 09T302 UM, CCGT
09T304 UM and CCGT 09T308 UM inserts. Measurement of surface topography was carried out by T8000
profilometer.
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