Development of simple mirror-like surface turning technology using only one lathe

In the 21st century, as it is important to produce products with high quality, high dignity and high accuracy, mirror-like surface was requested for many products and prats. Therefore, polishing process, lapping process and buffing were performed for mirror-like surface as in the past. However, both polishing process and lapping process need long working time and high cost, and buffing accuracies except surface roughness were very low. Therefore, mirror-like surface turning technology with swift and easy working was developed and evaluated using only one lathe. Surface roughness on the turning was firstly considered for mirror-like surface. Then the simple grinder using polishing for mirror-like surface turning insert was also developed and installed on the turning lathe with linear motor. Cutting property using the proposed technology was evaluated in the several experiments. It is concluded from the results that; (1) The proposed technology can machine mirror-like surface in the turning. Its surface roughness was Rz 0.1μm, (2) The process for mirror-like surface becomes swift and easy working.