Sapphire has received increasing attention as an engineering material even though its machinability is still an issue. In this study, the influence of the milling process parameters on the surface quality of single-crystal sapphire is …
Publications
Mechanical Characteristic Identification of Workpiece by Applying Sensor-less Micro-Tool Contact Detection with Ultra-Precision Machine
Anisotropic deformation behaviour of single-crystal sapphire in an orthogonal cutting process
Basic Study on Ultra-Precision Cutting of Single-Crystal Sapphire (単結晶サファイアの超精密切削における基礎的研 究)
Modeling of an Energy-Flexible Production Control with SysML
Rising and fluctuating energy prices, an increasing scarcity of fossil fuels and a high demand of electrical energy make industrial companies search for environmental friendly and sustainable solutions. Companies are interested to use renewable energies …
Investigation of Ductile-Brittle Transition in Machining of Yttrium-Stabilized Zirconia (YSZ)
In this study, crystal orientation dependent machinability was investigated in machining of 8 mol% monocrystalline cubic yttria stabilized zirconia (YSZ). The machinability transition from ductile to brittle cutting regime was observed and investigated. Machining characteristics …
Crack Removal Behavior in Ultra-Precision Machining of Sapphire
Processing ceramics like sapphire is challenging due to the brittle response exhibited during machining which poses a limitation on maximum material removal rate and throughput of the machining process. Due to this limitation, material has …
Remote Machine Mode Detection in Cold Forging using Vibration Signal
Detecting machine mode can allow smarter process monitoring systems and more accurate fault prediction without external information. A remote machine monitoring system was installed on a cold heading machine in the factory of an automotive …
Optimization and Control of Drilling Burr Formation of AISI 304L and AISI 4118 Based on Drilling Burr Control Charts
Control charts for drilling burr formation for stainless, AISI 304L, and low alloy steel, AISI 4118, were developed. Split point twist drills are used for the experiments of this work. A Drilling Burr Control Chart, …
Development of a Drilling Burr Control Chart for Low Alloy Steel, AISI 4118
A control chart for drilling burr formation for low alloy steel, AISI 4118, was developed. A drilling burr control chart, based on experimental data, is a tool for the prediction and control of drilling burrs. …