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Effect of chip breakers on the cutting force during the machining of steel C45

Kratochvíl J., Petrů J., Pagáč M., Holubják J., Mrazik J.

Advances in Science and Technology. Research Journal

2017

Vol. 11, no 1

173--178

The paper deals with the dependence of cutting force on the breaker of an indexable cutting insert (ICI). The experiment monitored individual cutting force components for different insert breakers, cutting speeds and feed rates during machining. The cutting depth remained constant. The tool holder, material and coating of the indexable cutting insert was also identical.

The issue of determining the geometric position deviation of the threaded holes

Martikáň P., Drbúl M., Holubják J., Mrázik J., Joch R.

Advances in Science and Technology. Research Journal

2016

Vol. 10, nr 32

47--52

The present article analyzes the specific measurement strategies (techniques) of contact measurement that are used to determine the position deviation of the threaded holes using 3D coordinate measuring system. Furthermore, there are analyzed direct and indirect (location gages) measurement techniques to determine position of the threaded holes and results of the measurements.