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Magnesium alloys are used as advanced structural materials for producing machine components for the aircraft or automotive industry. The machining of these components involves the risk of uncontrolled ignition during machining operations and production of fine-grained chip fractions causing the wear of kinematic pairs in technological machines. Given the operation of machine tools, the determination...
The article presents test results of surface roughness after AZ91HP magnesium alloy machining with variable technological parameters (vc, fz, ap) as well as tool geometry (γ= 5◦ and γ = 30◦). Two carbide end mills were applied during the tests. Roughness analysis was conveyed at the end face (Ra, Rq, RzDIN, Rt, Ry, RSm) and lateral face (Ra, Rz, RSm) of the tested sample. A decrease of roughness parameters...
Safety of Mg milling processes can be expressed by means of the form and the number of fractions of chips formed during milling. This paper presents the state of the art of magnesium alloys milling technology in the aspect of chip fragmentation. Further-more, the impact of the depth of cut ap and the rake angle γ on the number of chip fractions was analysed in the study. These were conducted on AZ91HP...
This article presents the state of knowledge on cutting forces during the milling of light alloys. Research results presented in the paper concern cutting forces and their amplitudes depending on the technological parameters (vc, fz, ap) with the use of two carbide milling cutters having a different cutting edge geometry (γ=5º and γ=30º). Research and analysis of cutting forces appear to be a significant...
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