Product Description:

The KB506JXX servo motor is manufactured by Sanyo Denki as part of the K SANMOTION Servo Motors series. It is a compact permanent-magnet unit for positioning axes, pick-and-place heads, and other automation applications requiring precise speed and torque control. The motor converts low-voltage DC power from a drive into mechanical rotation through regulated armature current and velocity feedback from an integral tachogenerator. Its square mounting face supports straightforward installation in machinery designed for the same frame class.

The square flange measures 54 mm on each side, allowing the housing to fit into compatible machinery plates without adapters. At its nominal operating point, the motor delivers a continuous mechanical output of 60 W while rotating at 3000 rpm. This operating point requires a rated armature voltage of 24 V and a rated armature current of 3.9 A, producing a steady load torque of 0.19 N·m. The rotor inertia is 0.22 × 10⁻⁴ kg·m², supporting fast acceleration with limited overshoot during short positioning cycles. A built-in DC tachogenerator provides 1% linearity and operates with a 10 kΩ load. Its velocity signal feeds directly into the servo amplifier, allowing the motion controller to regulate motor speed through closed-loop control while keeping the operating temperature within acceptable limits.

Under static conditions, the motor provides a continuous stall torque of 0.24 N·m and a peak stall torque of 1.8 N·m for momentary startup or shock loads. When power is removed, a mechanical holding brake applies 0.29 N·m of torque to prevent unintended shaft movement; its coil has a resistance of 1600 Ω and operates at 90 VDC. The assembly weighs 1.30 kg, limiting the additional mass placed on moving axes while providing the torque capacity needed for light conveyor sections, indexing tables, and small robotic wrists.