From: Tool Path Generation for Turbine Blades Machining With Twin Tool Date of download: 10/23/2017 Copyright © ASME. All rights reserved. From: Tool Path Generation for Turbine Blades Machining With Twin Tool J. Manuf. Sci. Eng. 2017;139(11):111015-111015-10. doi:10.1115/1.4037423 Figure Legend: Blade machining process with twin tool and machine tool kinematics: (a) blade machining with twin tool, (b) the machine tool kinematics, and (c) geometry constraint between tools axis vectors of tool B and tool D caused by the machine tool kinematics