Host: The Japan Society of Mechanical Engineers
Name : [in Japanese]
Date : October 04, 2024 - October 05, 2024
Friction surfacing based on solid phase welding requires finishing process owing to the relatively low dimensional accuracy of the deposited layer. The friction welding machine with numerically controlled pressure are commonly used in friction surfacing, indicating that deposition and finishing processes are not integrated. Therefore, this study conducted friction surfacing by a vertical machining center and investigates the effects of machining conditions feed distance along forward (X) and axial force (Z) directions, and spindle travel speed on the controllability of friction load (along Z-axis) and material efficiency. Friction load increased with an increase in spindle travel speed even when Z/X (the ratio of Z-axis feed amount to X-axis feed amount) was decreased, and the best load stability was obtained when Z/X = 0.4. Friction loads were unstable at Z/X = 0.2, 0.8. When the spindle travel speed was increased, material efficiency evaluated from mass of depositions decreased, and material efficiency evaluated from the cross-sectional area of depositions increased. Total material efficiency was not affected by spindle travel speed.
