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2 International Journal of Applied Mechanics and Engineering

2 2010

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Economic efficiency of engineering material cutting technologies

Micietova A., Cillikova M., Salaj J.

International Journal of Applied Mechanics and Engineering

2010

Vol. 15, no 2

369-375

Non-conventional methods are used more and more frequently for metal cutting in practice. Some methods such as laser cutting and abrasive water jet cutting are very often applied. Economic and ecological factors strongly influence the application of a method chosen for the cutting process. Considering the economic efficiency there should be formulated a cost model for comparison of different methods of metal cutting. This model should involve all aspects influencing the cutting process. This paper deals with the analysis of important cost items when a material is cut by oxygen , laser and water jet.

Cutting fluids and their influence on cutting process

Cillikova M., Micietova A., Salaj J.

International Journal of Applied Mechanics and Engineering

2010

Vol. 15, no 2

457-461

The paper deals with the influence of a cutting fluid on the cutting force and machined surface when turning steel 12050. Cutting fluids, Emulzín H, RO 32 were applied in the experiments. Some of the experiments were performed without a coolant.