SKU: 3DDF-1870
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42HS40-1704 NEMA17 7.2kg-cm Stepper Motor - Round Shaft

₹980.00 (Inclusive of all taxes)
Out of Stock

The 42HS40-1704 NEMA17 Stepper Motor offers 7.2 kg-cm (0.72 N-m) of holding torque with a precise 1.8-degree step angle. Its robust round shaft is ideal for various motion control applications requiring high precision and reliability in 3D printers, CNC machines, and robotics.

Features

  • High holding torque (7.2 kg-cm) for reliable and stable positioning.
  • Precise 1.8° step angle ensures accurate micro-stepping capability.
  • Durable round shaft design optimized for secure pulley and gear attachment.
  • Simple open-loop control mechanism reduces system complexity and cost.
  • Operates at 1.7A per phase with 4 leads for broad compatibility.

Out of stock

Description

The NEMA17 42HS40-1704 Stepper Motor delivers a substantial 0.72 N-m (7.2 kg-cm) of holding torque at 1.7A per phase, making it highly effective for applications demanding precise low-speed movement. Its inherent ability to maintain position without complex feedback mechanisms simplifies control systems, offering a cost-effective solution for accurate motion. This motor’s robust performance ensures reliable operation in various robotic and automation projects.

Equipped with a carefully machined round shaft, this stepper motor ensures superior grip with pulleys, drive gears, and other components, effectively preventing stalls or slips. This design feature is crucial for maintaining consistent performance and accuracy over extended operational periods. Ideal for upgrades or new builds, it provides stable and repeatable positioning for critical tasks in 3D printing, CNC, and other digital fabrication contexts.

Key Features

  • The input pulse directly determines the motor's precise rotation angle.
  • Achieves high positional accuracy, typically within 3% to 5% per step.
  • Provides excellent response characteristics for starting, stopping, and reversing operations.
  • Reduces overall system cost due to its efficient open-loop control, eliminating complex circuitry.
  • Motor speed scales linearly with the frequency of the incoming input pulses.
  • Offers 0.72 N-m (7.2 kg-cm) holding torque for stable load management.
  • Features a durable round shaft, optimized for secure component mounting.

Applications

  • 3D Printers (X, Y, Z, E axes)
  • Small-scale CNC Routers and Engravers
  • Robotic Arms and Actuators
  • Camera Sliders and Pan/Tilt Systems
  • Automated Dispensing and Labeling Machines

Technical Specifications

Item TypeNEMA 17 Stepper Motor
Model No. / Name42HS40-1704
Step Angle1.8°
Operating Current1.7 A/Phase
No. of Leads4
Shaft TypeRound
Shaft Diameter5 mm
Shaft Length24 mm
Holding Torque7.2 kg-cm (0.72 N-m)
Detent Torque0.28 kg-cm
Resistance3 Ohm
Inductance6.2 mH
Rotor Inertia102 g-cm²
Motor Body Length40 mm

Frequently Asked Questions

What is the typical step angle of this NEMA17 motor?

This NEMA17 motor features a standard 1.8-degree step angle. This precision allows for 200 full steps per revolution, ensuring fine control over movement. When combined with micro-stepping drivers, even smoother and more accurate positioning can be achieved for critical applications.

What is the holding torque for the 42HS40-1704 motor?

The 42HS40-1704 NEMA17 stepper motor provides a robust holding torque of 7.2 kg-cm (0.72 N-m). This torque is crucial for maintaining the motor's position against external loads when stationary, making it reliable for applications requiring precise static positioning.

Can this stepper motor be used with standard 3D printer electronics?

Yes, this NEMA17 stepper motor is fully compatible with most standard 3D printer and CNC control boards, such as RAMPS 1.4, SKR series, or GRBL-compatible drivers. It operates at 1.7A per phase and has 4 leads, simplifying integration into existing systems.

What are the benefits of a round type shaft for this motor?

The round shaft design offers versatility and robust grip. It allows for secure attachment of various components like pulleys, gears, or lead screw couplers using grub screws or D-cut profiles, minimizing slippage. This ensures consistent power transmission and positional accuracy in demanding applications.

What current is required per phase for optimal operation?

This NEMA17 stepper motor is designed to operate optimally with a current of 1.7 Amperes per phase. It is essential to configure your stepper motor driver to this specification to ensure the motor delivers its rated torque and performs efficiently without overheating or losing steps.

Package Includes

  • 1 x 42HS40-1704 NEMA17 7.2 kg-cm Stepper Motor - Round Type Shaft

Additional Information

Weight 0.484 kg
Dimensions 7 × 4 × 5 cm