GAM1A4005F0CRK3 Sanyo Denki
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The Sanyo Denki GAM1A4005F0CRK3 is an AC servo motor from the G SANMOTION AC Servo Motors series. It features a 40 mm square flange, an IP67 ingress protection rating, and weighs 0.57 kilograms. The servo motor is equipped with a battery-less absolute encoder and operates at a rated speed of 3000 min⁻¹.
Internal Product Review
The GAM1A4005F0CRK3 is a Sanyo Denki G SANMOTION AC servo motor with a battery-less absolute encoder and a 3000 min⁻1 rated speed. IP67 protection and an integrated oil seal make the motor an excellent choice for contamination-sensitive motion applications.
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Product Description:
The GAM1A4005F0CRK3 is an AC servo motor manufactured by Sanyo Denki as part of the G SANMOTION AC Servo Motors series. It serves as the rotary actuator in small-frame automation, translating drive commands into tightly regulated torque and speed for semiconductor handlers, inspection gantries, and miniature dosing pumps. Integrated feedback and braking support make the unit suitable for precise point-to-point moves where holding capability and cycle-to-cycle repeatability are required.
The motor is built for a 100 V supply, allowing the power stage to use insulation and components suited to low-voltage operation while maintaining a responsive output. The phase windings have a resistance of 7.0 Ω at 20 °C, which affects current flow and winding heat during operation. The nominal output speed reaches 3000 rpm, providing adequate speed for gear-reduced axes without requiring an excessive inverter frequency. For vertical or indexing tasks, the electromagnetic brake draws 0.26 A and holds the shaft when the drive is disabled. The motor uses a 40 mm square mounting profile that supports installation in compact machine assemblies. The rotor inertia is 0.0218 × 10⁻⁴ kg·m², allowing rapid acceleration, while the battery-free absolute encoder adds only 0.0025 × 10⁻⁴ kg·m² of inertia to the servo system.
The housing has a length of 108 mm, allowing the motor to fit into constrained enclosures and tightly spaced machine frames. Its shaft extends from an 8 mm diameter journal, and the total mass is 0.57 kg, which helps limit the moving load on linear stages. An IP67 rating and an internal oil seal protect the motor against dust and temporary water immersion under the applicable test conditions. The small rotor and encoder inertia help preserve servo stiffness during rapid reversals and repeated positioning cycles. Battery-free absolute sensing retains position information after power loss without requiring periodic battery replacement. The winding design supports frequent acceleration and deceleration while the drive regulates current to remain within the motor’s operating limits.
