Machine tool equipped with cutting tool shape measuring function

Abstract

Abstract PURPOSE:To enable the correct positioning of a cutting tool by calculating a parameter specifying the geometric shape of a knife edge from contouring data and NC position data and forming the structure of executing working by performing the tool correction based thereon. CONSTITUTION:The nominal geometric shape of a bite 26 is input from a keyboard 51, the value thereof is stored in a nominal geometric memory, a microscope 37 is moved successively based on the shape value thereof, the center position of a measuring spot is calculated, X, Y, axes tables 13, 23 are moved according thereto, knife edge shape data are calculated from the contouring data of each position and stored in a knife edge shape memory. The actual radius of the knife edge is calculated by using the method of least squares from the knife edge shape data, and R center position and knife edge apex position are calculated from the knife edge shape data and respectively stored in a parameter memory. A tool correction is exerted then based on the stored parameter and the X, Y axes tables 13, 23 are controlled.

Inventors

• 👤 Teru Tsuboi
• 👤 坪井　暉
• 👤 Katsuhiko Takeuchi
• 👤 勝彦 竹内

Bibliographic Details