The NEMA 23 23HD56001Y-21B is a 4-wire bipolar stepper motor with a 1.8° step angle, providing 1.26Nm (12.8 kg.cm) of torque. It operates at 2.8A per phase and has a nominal voltage of 3.36V. This motor is ideal for medium CNC applications and precision control in 3D printers and robotics. It features a NEMA 23 standard profile for easy interchangeability and requires a compatible driver like the THB6064AH or DM542T for control. Its compact size and high torque make it suitable for demanding applications requiring accuracy.

The NEMA 23 23HD56001Y-21B Stepper Motor you mentioned is a high-torque, 4-wire bipolar stepper motor, commonly used in CNC applications, 3D printers, and robotics. Here's a summary of its key specifications and features:

Key Specifications:

• Model: 23HD56001Y-21B
• Motor Type: Bipolar (4-wire, 2-phase)
• Step Angle: 1.8° per step (200 steps per full revolution)
• Nominal Voltage: 3.36V
• Phase Current: 2.8A per phase
• Phase Resistance: 1.2Ω
• Phase Inductance: 2.3mH
• Stall Torque: 1.26Nm (12.8kg.cm)
• Rotor Inertia: 280g.cm²
• Shaft: 6.35mm diameter, 21mm length (D-type)
• Body Dimensions: 56mm x 56mm x 56mm
• External Dimensions: 56mm x 56mm x 77mm (with shaft)
• Mounting Holes: 4 holes of D5.2mm through diameter
• Cable Length: 30cm
• Weight: 0.72 kg

Features:

• Precision: This motor has a precise 1.8° step angle, making it suitable for applications requiring fine, repeatable control without the need for feedback mechanisms.
• Torque: With a maximum torque of 1.26Nm (12.8 kg.cm), it offers substantial torque for medium-scale CNC applications.
• Standardized: The motor conforms to the NEMA 23 standard, allowing for easy interchangeability with other motors in the same class.
• Common Applications: It's ideal for CNC routers, milling machines, 3D printers, and similar machinery where high precision and torque are required.

Driver Options:

• H-Bridge Drivers: For those who prefer building their own control circuitry, an H-bridge driver can be used, requiring a state machine for step control.
• Dedicated Stepper Drivers: Easier to use, such as the THB6064AH or DM542T, which have internal state machines, reducing the load on your microcontroller and simplifying software development.

FOR MORE INFO: https://bulkman3d.com/wp-content/uploads/2019/11/23HD56001Y-21B.pdf

This motor's combination of torque, precision, and the convenience of standardized mounting makes it a versatile choice for mid-range CNC or robotic applications.