OverviewCOOL MUSCLE 3 is the integrated servo system that combines a stepper motor with required motor-control devices such as a driver, controller and encoder. By removing nonessential features and focusing on core control functions, COOL MUSCLE 3 delivers servo-equivalent motion performance using a stepper motor, enabling high-precision motion control with a simplified configuration and lower system cost.
Key benefits- Integrated components: driver, controller and encoder built into the motor rear to reduce wiring and overall volume, suitable for desktop, mobile and small-size equipment.
- Overcomes common stepper limitations (loss of steps, heat generation, acceleration/deceleration constraints, noise) to achieve performance comparable to servo motors.
- High continuous torque output at low speeds allows large torque from compact motors.
- Low heat generation and energy-efficient operation, appropriate for battery-powered devices such as AGVs and for continuous long-duration use.
Control types- Direct Type (Communication Control): Direct operation via RS232C serial commands. Positioning, speed and acceleration are set by simple parameters. Up to 32 Motion Data points can be stored and executed.
- I/O Type: Up to 8 Motion Data points can be stored. Stored motions are selected and triggered by PLC I/O signals.
- Pulse Type: Controlled by pulse signals from a PLC. CM3 provides ABZ output so it can replace existing pulse-control systems without changing the host setup.
Stepper motors comparison — summarized strengths- Torque (low speed): Maintains high torque at low speeds without step-out risk — enables smaller motors or better handling of increased payload.
- Maximum speed: Capable of high-speed control comparable to servo systems — suitable where rapid motion is required.
- Speed stability: Low speed ripple during continuous operation — improves measurement and process accuracy.
- Responsiveness: High acceleration/deceleration capability reduces cycle time for short-distance positioning tasks.
- Noise / Vibration: Smooth vector control reduces noise and vibration — suitable for quiet environments and image-inspection equipment.
- Current & Temperature: Load-adaptive current control minimizes consumption; low heat generation supports long continuous duty (duty ratio > 50%).
Specifications / technical data- Product name / series: COOL MUSCLE 3 (CM3)
- Integrated design: stepper motor with built-in driver, controller and encoder
- Control interfaces: RS232C (Direct), I/O selection, Pulse input (ABZ output)
- Motion data storage: Direct Type up to 32 points; I/O Type up to 8 points
- Performance: Designed to provide servo-equivalent behavior with a stepper motor — high torque at low speed, high acceleration/deceleration, stable continuous speed
- Typical applications: desktop equipment, mobile devices, small machinery, AGVs, systems requiring quiet operation or precise constant-speed rotation
- Operational advantages: reduced wiring and footprint, energy saving, low heat generation, suitable for continuous operation
- Example torque values (illustrative — verify model-specific data on official spec sheet): Rated Torque 0.32 Nm; Max Torque 1.50 Nm