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Analysis of the surface profile and its material share during the grinding inconel 718 alloy

Novák M., Náprstková N, Józwik J.

Advances in Science and Technology. Research Journal

2015

Vol. 9, nr 26

41--48

Grinding is still an important method for surface finishing. At FPTM JEPU research, which deals with this issue is conducted. Experiments are carried out with grinding various materials under different conditions and then selected components of the surface integrity are evaluated. They include roughness Ra, Rm and Rz, Material ratio curve (Abbott Firestone curve) and also the obtained roundness. This article deals with grinding nickel Inconel 718 alloy, when selected cutting grinding conditions were used and subsequently the surface profile and the material ratio curve were measured and evaluated.

Surface roughness properties for punch stamps built from unconvenctional materials

Tomáš M., Draganovská D., Ižol P, Hudák J.

Archives of Mechanical Technology and Automation

2014

Vol. 34, no. 3

57--66

The article presents the study of surface‘s quality of punch stamp built from a Textit J composite, Fibroflex 5 polyurethane and X210Cr12 steel tool. The composite and polyurethane were used for rapid tooling, during which an experimental stamping of the die was verified. During the experiments, various machining strategies have been proposed and optimised using SolidCAM software with consideration of the maximum Scallop Height. Later, the results and conclusions of the unconventional materials‘ machining were applied during machining of the steel punch stamp. The surface‘s quality was reviewed by measuring surface roughness in selected areas of the punch stamp. The roughness parameters of Ra and Rz, the profile curves and the Abbott-Firestone curves were compared.