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Home / Products Centre / Integrated Linear Stepper Motor / Integrated External Lead Screw Stepper Motor

Integrated External T-Type Linear Stepper Servo Motor

An Integrated External T-Type Linear Stepper Servo Motor combines a closed-loop stepper motor, integrated driver, encoder, and external T-type lead screw into a compact all-in-one linear motion solution. Designed for industrial automation, this integrated linear actuator delivers high positioning accuracy, repeatability, and reliable thrust force while reducing wiring complexity and installation time.

 

Unlike traditional stepper systems that require separate motors, drivers, and controllers, an integrated linear stepper servo motor features built-in intelligent control electronics with support for Pulse/Direction, RS485 Modbus RTU, CANopen, and EtherCAT, making it ideal for modern Industry 4.0 and smart manufacturing applications.

 

The external T-type lead screw converts rotary motion into smooth and accurate linear movement. Compared with conventional belt or pneumatic systems, it provides better positioning precision, improved load capacity, and lower maintenance costs, making it suitable for demanding motion control applications.

nema 17 stepper motor with ball screw

ISS42 Nema17 42mm Integrated Stepper Servo Motor with Externa Lead Screw

  • NEMA17 intelligent linear stepper motors, combining integrated stepper servo motors and high precision screws for accuracy and convenience. 
  • Bus communication optional pulse, RS485, CANopen and other communication versions.
  • Motor parameters: 1.8°, 1.3A ~ 1.7A, 0.22Nm ~ 0.8Nm
  • Optional configuration: Gearbox, brake...
Series Model Shaft Type Control Method Step Angle Phase Current Phase Resistance Rated Torque Body Length Integrated Encoder
(1.8°) (A) (Ω) (Nm) L(mm)
ISS42-0.22Nm BFISS42-P01A External T-type Lead Screw pulse 1.8 1.3 2.1 0.22 54 1000ppr/17bit
BFISS42-R01A External T-type Lead Screw RS485
BFISS42-C01A External T-type Lead Screw CANopen
ISS42-0.42Nm BFISS42-P02A External T-type Lead Screw pulse 1.8 1.68 1.65 0.42 60 1000ppr/17bit
BFISS42-R02A External T-type Lead Screw RS485
BFISS42-C02A External T-type Lead Screw CANopen
ISS42-0.55Nm BFISS42-P03A External T-type Lead Screw pulse 1.8 1.68 1.65 0.55 68 1000ppr/17bit
BFISS42-R03A External T-type Lead Screw RS485
BFISS42-C03A External T-type Lead Screw CANopen
ISS42-0.8Nm BFISS42-P04A External T-type Lead Screw pulse 1.8 1.7 3 0.8 80 1000ppr/17bit
BFISS42-R04A External T-type Lead Screw RS485
BFISS42-C04A External T-type Lead Screw CANopen
Nema 17 External Lead Screw Specification:
Screw Diameter Screw Lead Screw Pitch Travel Per Step Screw Diameter Screw Lead Screw Pitch Travel Per Step
mm mm mm mm mm mm mm mm
Tr5 1 1 0.005 Tr8 8 2 0.04
2 1 0.01 10 2 0.05
Tr6 2 1 0.01 12 2 0.06
4 1 0.02 14 2 0.07
6 1 0.03 Tr10 2 2 0.01
12 2 0.06 3 1.5 0.015
Tr8 1 1 0.005 4 2 0.02
2 2 0.01 8 2 0.04
3 1.5 0.015 10 2 0.05
4 2 0.02 12 2 0.06
nema 23 linear stepper motor with integrated driver

ISS57 Nema23 57mm Integrated Linear Stepper Servo Motor with External Lead Screw

  • NEMA23 intelligent linear stepper motors, combining integrated stepper servo motors and high precision screws for accuracy and convenience.
  • Bus communication optional pulse, RS485, CANopen and other communication versions.
  • Motor parameters: 1.8°, 2A ~ 4.2A, 0.55Nm ~ 3N.m
  • Optional configuration: Gearbox, brake...
Series Model Shaft Type Control Method Step Angle Phase Current Phase Resistance Rated Torque Body Length Integrated Encoder
(1.8°) (A) (Ω) (Nm) L(mm)
ISS57-0.55Nm BFISS57-P01A External T-type Lead Screw pulse 1.8 2 1.4 0.55 65 1000ppr/17bit
BFISS57-R01A External T-type Lead Screw RS485
BFISS57-C01A External T-type Lead Screw CANopen
ISS57-1.2Nm BFISS57-P02A External T-type Lead Screw pulse 1.8 2.8 0.9 1.2 80 1000ppr/17bit
BFISS57-R02A External T-type Lead Screw RS485
BFISS57-C02A External T-type Lead Screw CANopen
ISS57-1.89Nm BFISS57-P03A External T-type Lead Screw pulse 1.8 2.8 1.1 1.89 100 1000ppr/17bit
BFISS57-R03A External T-type Lead Screw RS485
BFISS57-C03A External T-type Lead Screw CANopen
ISS57-2.2Nm BFISS57-P04A External T-type Lead Screw pulse 1.8 3 1.2 2.2 106 1000ppr/17bit
BFISS57-R04A External T-type Lead Screw RS485
BFISS57-C04A External T-type Lead Screw CANopen
ISS57-2.8Nm BFISS57-P05A External T-type Lead Screw pulse 1.8 4.2 0.75 2.8 124 1000ppr/17bit
BFISS57-R05A External T-type Lead Screw RS485
BFISS57-C05A External T-type Lead Screw CANopen
ISS57-3N.m BFISS57-P06A External T-type Lead Screw pulse 1.8 4.2 0.9 3 136 1000ppr/17bit
BFISS57-R06A External T-type Lead Screw RS485
BFISS57-C06A External T-type Lead Screw CANopen
Nema 23 External Lead Screw Specification:
Screw Diameter Screw Lead Screw Pitch Travel Per Step Screw Diameter Screw Lead Screw Pitch Travel Per Step
mm mm mm mm mm mm mm mm
Tr8 0.5 0.5 0.0025 Tr9.525 0.635 0.635 0.003175
2 2 0.01 1.27 1.27 0.00635
4 2 0.02 1.5875 1.5875 0.0079375
8 2 0.04 2.54 2.54 0.0127
12 2 0.06 5.08 2.54 0.0254
20 2.5 0.1 6.35 3.175 0.03175
Tr10 2 2 0.01 10.16 1.12 0.0508
4 2 0.02 12.7 3.175 0.0635
10 2 0.05 25.4 3.175 0.127
12 3 0.06        
linear stepper motor with built in driver

Nema 24 ISC60 Series Integrated T-Type Linear Stepper Servo Motor with Built in Driver

Built with a 60mm high-torque frame, the NEMA 24 integrated stepper motor features built-in drive electronics for simplified installation and maximum space efficiency. It serves as a seamless performance upgrade over NEMA 23 motors, offering superior torque density, smooth operation, and noise reduction for heavy-duty industrial automation applications.

Motor parameters: 1.8°, 4.2A, 1.6Nm ~ 4.1Nm
Optional configuration: Gearbox, brake, lead screw...
Model Step Angle Phase Current Rated Resistance Inductance Rated Torque Encoder Weight Motor Length Insulation Class Control method (optional)
° A Ω mH N.m / Kg mm / /
BFISC60-P1A3 1.8 4.2 0.5 1.4 1.6 15bit single turn absolute encoder 0.8 73.7 B pulse RS485 CANopen
BFISC60-P2A3 1.8 4.2 0.6 1.8 2 1.3 87.2 B pulse RS485 CANopen
BFISC60-P3A3 1.8 4.2 0.8 3 2.8 1.5 108.2 B pulse RS485 CANopen
BFISC60-P4A3 1.8 4.2 0.75 3.6 3.8 1.8 121.2 B pulse RS485 CANopen
BFISC60-P5A3 1.8 4.2 1 3.8 4.1 2.0  130.7 B pulse RS485 CANopen
Nema 24 External Lead Screw Specification:
Screw Diameter Screw Lead Screw Pitch Travel Per Step Screw Diameter Screw Lead Screw Pitch Travel Per Step
mm mm mm mm mm mm mm mm
Tr8 0.5 0.5 0.0025 Tr9.525 0.635 0.635 0.003175
2 2 0.01 1.27 1.27 0.00635
4 2 0.02 1.5875 1.5875 0.0079375
8 2 0.04 2.54 2.54 0.0127
12 2 0.06 5.08 2.54 0.0254
20 2.5 0.1 6.35 3.175 0.03175
Tr10 2 2 0.01 10.16 1.12 0.0508
4 2 0.02 12.7 3.175 0.0635
10 2 0.05 25.4 3.175 0.127
12 3 0.06        
Nema 34 stepper motor with built in driver

Nema 34 ISC86 Series Integrated T-Type Linear Stepper Servo Motor with Built in Driver

Engineered for heavy-duty motion control, the NEMA 34 integrated stepper motor combines an 86mm high-torque motor with an industrial-grade built-in driver. By eliminating bulky drive cabinets and complex cabling, it provides robust power, low resonance, and high reliability for large CNC routers, automated textile machinery, and heavy industrial equipment.
Motor parameters: 1.8°, 6A, 4.5Nm ~ 12N.m
Optional configuration: Gearbox, brake, lead screw...
Model Step Angle Phase Current Rated Resistance Inductance Rated Torque Encoder Weight Motor Length Insulation Class Control method (optional)
° A Ω mH N.m / Kg mm / /
BFISC86-P1A3 1.8 6 0.37 3.4 4.5 15bit single turn absolute encoder 2.54 107.8 B pulse RS485 CANopen
BFISC86-P2A3 1.8 6 0.47 4.18 6.5 3.24 127.3 B pulse RS485 CANopen
BFISC86-P3A3 1.8 6 0.36 2.8 7 3.94 130.8 B pulse RS485 CANopen
BFISC86-P4A3 1.8 6 0.36 3.8 8.5 4.44 144.3 B pulse RS485 CANopen
BFISC86-P5A3 1.8 6 0.58 6.5 9.5 4.74 155.8 B pulse RS485 CANopen
BFISC86-P6A3 1.8 6 0.44 5.5 12 6.24 182.3 B pulse RS485 CANopen

What Is an Integrated External T-Type Linear Stepper Servo Motor?

An Integrated External T-Type Linear Stepper Servo Motor is a closed-loop linear actuator that integrates multiple motion control components into a single compact unit:

  • Closed-loop hybrid stepper motor
  • High-resolution encoder
  • Built-in digital servo driver
  • External T-type lead screw
  • Intelligent motion controller
  • Optional communication interfaces (Pulse, RS485, CANopen, EtherCAT)

The external lead screw extends beyond the motor housing, allowing the traveling nut to move linearly while the screw rotates. This design is widely used in applications requiring medium to long stroke lengths, high thrust, and precise linear positioning.

 
 

Key Features

Integrated All-in-One Design

The motor, encoder, driver, and controller are integrated into one compact housing, eliminating external wiring and simplifying machine assembly.

Benefits

  • Faster installation
  • Lower system cost
  • Reduced cabinet space
  • Improved reliability
  • Easier maintenance
 

Closed-Loop Servo Control

Unlike open-loop stepper motors, integrated linear stepper servo motors continuously monitor motor position using an encoder.

Advantages include:

  • No lost steps
  • Automatic position correction
  • Higher efficiency
  • Lower operating temperature
  • Reduced vibration
  • Increased torque utilization
 

External T-Type Lead Screw

The external trapezoidal lead screw provides stable linear transmission for medium-load automation applications.

Advantages include:

  • High load capacity
  • Excellent self-locking capability
  • Smooth linear movement
  • Long service life
  • Cost-effective compared with ball screw systems
 

Typical lead options include:

  • 2 mm
  • 4 mm
  • 8 mm
  • 10 mm
  • Custom lead pitches available
 

High Positioning Accuracy

With closed-loop feedback and microstepping technology, positioning accuracy can reach:

  • Repeatability: ±0.02 mm (application dependent)
  • High-resolution positioning
  • Smooth low-speed operation
  • Excellent motion consistency
 

Multiple Control Interfaces

Integrated external linear stepper servo motors support various industrial control methods.

Pulse & Direction

Ideal for:

  • PLC systems
  • CNC controllers
  • Motion control cards
 

RS485 Modbus RTU

Suitable for:

  • Intelligent automation
  • Multi-axis networking
  • Remote diagnostics
 

CANopen

Designed for:

  • AGVs
  • Mobile robots
  • Packaging machines
  • Factory automation
 

EtherCAT

Perfect for:

  • High-speed synchronized motion
  • Semiconductor equipment
  • CNC machinery
  • Industrial robots
 
 

Typical Specifications

Parameter Typical Value
Motor Type Closed-Loop Hybrid Stepper Servo
Step Angle 1.8° / 0.9°
Screw Type External T-Type Lead Screw
Encoder Incremental / Absolute
Drive Voltage 24VDC / 36VDC / 48VDC
Control Modes Pulse, RS485, CANopen, EtherCAT
Protection IP30 / IP54 / IP65 (Optional)
Stroke Length Customized
Lead Pitch 2–10 mm or Custom
Holding Torque Multiple NEMA sizes available
Linear Thrust Depends on motor size and lead
 
 

Customization Options

Professional manufacturers can provide customized integrated linear stepper servo motors, including:

  • NEMA 8, 11, 14, 17, 23, and 24 frame sizes
  • Customized stroke lengths
  • Multiple lead pitches
  • Anti-backlash nuts
  • Stainless steel lead screws
  • Waterproof IP65/IP67 versions
  • Holding brake options
  • Absolute encoder options
  • Hollow shaft designs
  • Custom connectors and cable lengths
  • OEM and ODM services
 
 

Why Choose an External T-Type Lead Screw?

Compared with other linear transmission methods, the external T-type lead screw offers several advantages.

Transmission Type Position Accuracy Cost Load Capacity Self-Locking Maintenance
External T-Type Lead Screw High Low High Excellent Low
Ball Screw Very High Higher High No Moderate
Belt Drive Medium Low Medium No Moderate
Pneumatic Cylinder Low Low High No High

For applications requiring reliable positioning, moderate speeds, and cost-effective performance, the external T-type lead screw is often the preferred choice.

 

Why Choose an Integrated External T-Type Linear Stepper Servo Motor?

 

As industrial automation continues to demand higher precision, greater efficiency, and simplified machine design, integrated external T-type linear stepper servo motors have become a preferred solution for engineers and OEM manufacturers. Their compact all-in-one architecture, closed-loop feedback, intelligent communication interfaces, and precise linear motion make them ideal for applications ranging from factory automation and medical devices to robotics, semiconductor equipment, packaging machinery, and CNC systems.

 

By integrating the motor, encoder, driver, and controller into a single unit, these motors reduce installation time, minimize wiring, improve reliability, and lower the total cost of ownership. With support for Pulse/Direction, RS485 Modbus RTU, CANopen, and EtherCAT, they are ready for Industry 4.0 environments and can be seamlessly integrated into advanced motion control systems.

 
 

Common Applications

Integrated stepper servo motors are widely used across numerous industries where precise, reliable motion control is essential.

Industrial Automation

  • Assembly machines
  • Pick-and-place systems
  • Automated production lines
  • Material handling equipment
 

Robotics

  • Collaborative robots (Cobots)
  • SCARA robots
  • Delta robots
  • Mobile robots
  • AGVs
  • AMRs
 

CNC Equipment

  • CNC routers
  • CNC milling machines
  • Engraving machines
  • Plasma cutting machines
  • Laser cutting systems
 

Packaging Machinery

  • Labeling machines
  • Filling equipment
  • Cartoning systems
  • Food packaging machines
 

Medical Equipment

  • Laboratory automation
  • Diagnostic instruments
  • Medical imaging systems
  • Pharmaceutical machinery
 

Textile Machinery

  • Sewing automation
  • Knitting machines
  • Embroidery equipment
  • Fabric cutting systems
 

Semiconductor Manufacturing

  • Wafer handling
  • Inspection equipment
  • Precision positioning systems
 
 

Answers to Common Queries about BesFoc

  • 1. What is an integrated external T-type linear stepper servo motor?
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    An integrated external T-type linear stepper servo motor combines a closed-loop stepper motor, built-in driver, encoder, and external T-type lead screw into one compact unit for precise linear motion and simplified installation.

  • 2. What are the advantages of an external T-type lead screw?
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    An external T-type lead screw provides high thrust, excellent self-locking capability, stable linear movement, long service life, and a cost-effective solution for industrial automation.

  • 3. How does a closed-loop linear stepper servo motor improve performance?
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    The built-in encoder continuously monitors motor position, eliminating lost steps, improving positioning accuracy, reducing vibration, and increasing overall efficiency.
  • 4. Which communication protocols are supported?
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    Most integrated linear stepper servo motors support Pulse/Direction, RS485 Modbus RTU, CANopen, and EtherCAT for easy integration with PLCs, CNC systems, and industrial networks.

  • 5. What applications are integrated external linear stepper servo motors suitable for?
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    They are widely used in robotics, CNC machines, medical devices, semiconductor equipment, packaging machinery, automated assembly lines, and precision positioning systems.

  • 6. What is the difference between a T-type lead screw and a ball screw?
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    A T-type lead screw offers better self-locking and lower cost, while a ball screw provides higher efficiency and speed. T-type lead screws are ideal for applications requiring stable positioning and moderate speeds.

  • 7. Can the motor be customized?
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    Yes. Manufacturers typically offer customized stroke lengths, lead pitches, encoder options, NEMA frame sizes, IP protection levels, connectors, and communication interfaces.

  • 8. Why choose an integrated linear stepper servo motor instead of a traditional linear actuator?
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    The integrated design reduces wiring, saves installation space, simplifies maintenance, lowers system costs, and delivers higher positioning accuracy through closed-loop control.
  • 9. What industries benefit most from integrated external T-type linear stepper servo motors?
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    Industries including industrial automation, electronics manufacturing, laboratory automation, AGVs, packaging, laser processing, and smart manufacturing benefit from their precision and reliability.

  • 10. How do I choose the right integrated external T-type linear stepper servo motor?
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    Consider the required thrust force, stroke length, lead pitch, positioning accuracy, operating speed, load capacity, control interface, and environmental protection rating to match your application.

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