SKU: 3DDF-1868
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Generic 20HS42-0804 NEMA 08 Round Stepper Motor

₹1,889.00 (Inclusive of all taxes)
Out of Stock

The 20HS42-0804 NEMA 08 Stepper Motor delivers precise, controlled motion with a robust 0.4 Kg-cm holding torque. Its compact, round-type design is ideal for space-constrained applications requiring accurate positioning and reliable performance in automation and robotics.

Features

  • NEMA 08 compact round stepper motor for small-scale projects.
  • 0.4 Kg-cm holding torque ensures stable and accurate positioning.
  • 1.8-degree step angle provides smooth, high-resolution movement.
  • Pure copper winding for efficient and reliable long-term operation.
  • Designed for precise control in automation and robotics applications.

Out of stock

Description

The 20HS42-0804 is a robust 1.8-degree square-shape hybrid stepper motor, engineered for precision and reliability in demanding applications. This motor masterfully combines the stable holding characteristics of permanent magnet motors with the fine step control of variable reluctance types, offering a superior balance of performance. Its internal construction features pure copper wiring, ensuring high electrical efficiency and long operational lifespan, even under continuous use.

This stepper motor excels with its small step angle, which translates into exceptionally smooth motion and high positional accuracy, crucial for tasks requiring intricate movements. Furthermore, its optimized design delivers a substantial output torque relative to its compact size, making it a powerful solution for applications where space is at a premium. The motor’s inherent low noise operation contributes to a quieter working environment, making it suitable for sensitive equipment and laboratory setups.

Key Features

  • Compact NEMA 08 round-type form factor, ideal for tight spaces.
  • Robust 0.4 Kg-cm (approximately 39.2 mN.m) holding torque for stable positioning.
  • Precise 1.8-degree step angle for high-resolution, smooth movement.
  • Pure copper motor winding ensures high efficiency and durability.
  • Low noise operation suitable for sensitive environments.
  • Excellent dynamic performance for quick response and controlled acceleration.
  • 4-lead wire configuration for flexible driving options.
  • Designed for reliable and efficient long-term operation.

Applications

  • Miniature 3D printers and CNC machines requiring precise axis control.
  • Small-scale robotics projects and automation systems.
  • Medical devices and laboratory equipment for accurate fluid dispensing or sample manipulation.
  • Camera slider mechanisms and optical equipment for fine adjustments.
  • Custom actuating systems in compact electronic enclosures.

Technical Specifications

Item TypeNEMA 08 Stepper Motor
Model No. / Name20HS42-0804
Step Angle1.8°
Shaft TypeRound
Holding Torque0.4 Kg-cm
Rated Current (A)0.8 A
No. of Leads4
Inductance1.5 mH (per phase, typical)
Motor Length42 mm
Resistance5.4 Ohm (per phase, typical)

Frequently Asked Questions

What is the typical operating voltage for the 20HS42-0804 motor?

While not explicitly listed, NEMA 08 motors like the 20HS42-0804 typically operate efficiently with 12V to 24V DC stepper drivers. The rated current of 0.8A per phase suggests a suitable driver is essential to manage power delivery for optimal performance and torque.

Can this NEMA 08 stepper motor be used for continuous 24/7 operation?

Yes, the 20HS42-0804 is designed with pure copper windings, enhancing its durability and thermal management. For 24/7 operation, ensure adequate cooling and proper current settings via the stepper driver to prevent overheating and maintain consistent performance over extended periods.

What type of driver is recommended for the 20HS42-0804, considering its 4-lead configuration?

A bipolar stepper motor driver is recommended for the 4-lead 20HS42-0804. Drivers such as A4988, DRV8825, or TMC series are compatible, offering microstepping capabilities for smoother operation and precise control. Ensure the driver can supply 0.8A per phase.

What is the significance of the 0.4 Kg-cm holding torque?

A holding torque of 0.4 Kg-cm (approximately 39.2 mN.m) indicates the motor's static strength to resist external loads when energized. This ensures the motor can maintain its position accurately under load, which is critical for precise applications in small mechanisms, preventing unintentional movement.

Is the shaft on the 20HS42-0804 compatible with standard small gears or pulleys?

The 20HS42-0804 features a round shaft, which is common for small stepper motors. Compatibility with gears or pulleys depends on the shaft diameter (not explicitly given but usually standard for NEMA 08) and the bore size of your chosen accessories. Adaptors might be required for specific attachments.

Package Includes

  • 1 x 20HS42-0804 NEMA 08 0.4Kg-cm Round-Type Stepper Motor

Additional Information

Weight 0.077 kg
Dimensions 11 × 8 × 2 cm