20mm 24V DC 2-Phase Dual Gearbox Small Geared Stepper Motor KC-GM20-20BY

KC-GM20-20BY Dual Reduction Stepper Motor Technical Specifications

The KC-GM20-20BY small geared stepper motor is specifically manufactured to meet the rigorous demands of industrial automation, providing an optimized engineering solution for precise motion control applications. In modern B2B manufacturing environments, engineers require components that deliver consistent kinetic output without structural degradation over time. This dual reduction stepper motor features a heavy-duty mechanical structure built to ensure compatible integration across a wide range of automated machinery, including medical testing equipment, automated fluid dispensers, and precise robotic positioning arms. The internal stepper gearbox is strictly engineered to deliver sustained torque output while maintaining operational integrity during extended duty cycles. Utilizing a robust bipolar drive configuration, the small geared stepper motor meets strict operational demands, ensuring that targeted motion profiles are executed accurately without the need for extensive secondary calibrations.

Electrical And Mechanical Specifications

Accurate parameter verification is an essential requirement for maintaining predictable performance in B2B manufacturing operations. The technical data provided in the following table illustrates the electrical tolerances, coil configurations, and baseline mechanical parameters for the KC-GM20-20BY dual reduction stepper motor. By utilizing a 2-phase excitation method and a standard bipolar drive mode, the motor mechanism ensures reliable pulse sequences and precise rotational accuracy across multiple industrial protocols. Proper voltage regulation at 24 V DC is highly recommended to maintain the specified coil resistance and prevent thermal overload during continuous operation. The insulation specifications, designated as Class E, provide a durable safeguard against electrical interference, ensuring the internal wiring remains protected even under strenuous operational conditions.

Electrical Parameter	Technical Specification
Rated Voltage	24 V DC
Coil Resistance	20 ± 10% ohm/phase (25 °C)
Number Of Phases	2 phases
Step Angle	18°/step
Excitation Method	2-phase excitation
Drive Mode	Bipolar drive
Insulation Class	Class E for coils
Insulation Strength	100 V AC for one second
Insulation Resistance	50 MΩ at 500 V DC

Performance And Operation Parameters

Beyond electrical stability, the kinematic capabilities of the motor dictate its suitability for heavy-load automated applications. The integrated stepper gearbox offers a high gear ratio of 349:1, which significantly multiplies the baseline torque output derived from the core motor. This precise mechanical advantage allows the motor to achieve a pull-out thrust of more than 1 500 g at an operational frequency of 70 pps. Furthermore, the motor sustains a maximum pull-in frequency of more than 1 000 pps, providing rapid mechanical engagement for time-sensitive automated manufacturing processes. Environmental resilience is also a critical engineering factor; the motor guarantees stable mechanical execution within an operating temperature range of −10 °C to +55 °C, ensuring compatible deployment in both chilled storage facilities and heated industrial manufacturing plants without sacrificing performance accuracy.

Performance Parameter	Tested Value
Gear Ratio	349:1
Pull-out Thrust	More than 1 500 g at 70 pps
Max Pull-out Frequency	More than 1 500 pps
Max Pull-in Frequency	More than 1 000 pps
Operating Temperature Range	−10 °C to +55 °C

Mechanical Dimensions And Integration Reference

Physical integration requires precise dimensional data to guarantee proper alignment within the larger mechanical assembly. The following mechanical drawing outlines the exact structural proportions, mounting configurations, and shaft dimensions for the dual reduction stepper motor. Engineers must refer to these measurements to ensure the PCD 15 mm mounting holes and shaft clearances are accurately accommodated in the final structural housing. Adhering to these dimensional constraints is vital for preventing lateral stress on the stepper gearbox, thereby maximizing the durable lifespan of the entire motor assembly.

Engineering Performance Advantages

• Optimized Torque Output: Achieves a pull-out thrust exceeding 1 500 g at 70 pps, ensuring stable load management for heavy-duty mechanisms.
• Precise Motion Control: The combination of an 18°/step base angle and a 349:1 stepper gearbox enables fine positioning accuracy for automated dispensing and tracking systems.
• Compatible System Integration: Standardized 24 V DC rating and 2-phase bipolar drive mode allow for seamless synchronization with existing industrial control logic.
• Durable Thermal Resilience: Engineered to maintain consistent mechanical performance across an operating temperature range of −10 °C to +55 °C, minimizing thermal degradation.
• High-frequency Operational Stability: Supports a maximum pull-out frequency of more than 1 500 pps, facilitating rapid state transitions without losing step sequences.
• Rigorous Insulation Standards: Built with Class E coil insulation and tested at 100 V AC, ensuring secure operation and reduced electrical failure risks in conductive environments.

Technical Keyword Reference