3.2 Rotary Motor Mounting33■ Vibration ResistanceMount the servomotor with the shaft positioned horizontally. The servomotor willwithstand the following levels of vibration on all three axes: front-to-back (X),vertical (Y), and side-to-side (Z).• SGMAH, SGMPH: 49m/s 2 (5G)• SGMSH, SGMGH, SGMDH, and SGMUH: 24.5m/s 2 (2.5G)3.2.1 Vibration ClassThe vibration class for SGMH servomotors operating at rated speed is 15μm(maximum).VerticalSide-to-sideFront-to-backHorizontal shaftImpact applied to the servomotorPosition for measuring vibration