STM57

STM57-M Integrated Leadscrew Stepper Motor

Integrated lead screw stepper servo motor with 57mm flange, CANopen/RS485, 2500-line encoder, thrust up to 1180N.

Features

Integrated lead screw
CANopen/RS485
FOC and SVPWM technology
Analog input (0-10V)
High thrust options

Models & Specifications

Specs as rows · Models as columns

Specifications	STM5745B-M (Lead 1.270mm)	STM5745B-M (Lead 2.540mm)	STM5745B-M (Lead 5.080mm)	STM5745B-M (Lead 10.16mm)	STM5745B-M (Lead 25.40mm)	STM5765B-M (Lead 1.270mm)	STM5765B-M (Lead 2.540mm)	STM5765B-M (Lead 5.080mm)	STM5765B-M (Lead 10.16mm)	STM5765B-M (Lead 25.40mm)
Flange Size	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm	57mm
Encoder typ	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder	2500-line single-turn absolute magnetic encoder
Communication Method	CANopen,RS485	CANopen,RS485	CANopen,RS485	CANopen,RS485	CANopen,RS485	CANopen,RS485	CANopen,RS485	CANopen,RS485	CANopen,RS485	CANopen,RS485
Thrust	590 N·m	500 N·m	300 N·m	140 N·m	50 N·m	1180 N·m	900 N·m	500 N·m	250 N·m	80 N·m
Load	440 N	360 N	216 N	90 N	30 N	935 N	700 N	350 N	160 N	50 N
Screw Lead	1.270mm	2.540mm	5.080mm	10.16mm	25.40mm	1.270mm	2.540mm	5.080mm	10.16mm	25.40mm
Step Length	[email protected]°mm	[email protected]°mm	[email protected]°mm	[email protected]°mm	[email protected]°mm	[email protected]°mm	[email protected]°mm	[email protected]°mm	[email protected]°mm	[email protected]°mm
Self-locking Force	2000 N	1600 N	55 N	35 N	7 N	2000 N	1600 N	55 N	35 N	7 N
Holding Torque	0.80 N·m	0.80 N·m	0.80 N·m	0.80 N·m	0.80 N·m	1.70 N·m	1.70 N·m	1.70 N·m	1.70 N·m	1.70 N·m
Body Length	65 mm	65 mm	65 mm	65 mm	65 mm	85 mm	85 mm	85 mm	85 mm	85 mm

* Scroll horizontally within the table area when the content is wide.

Specifications

Shaft Diameter	No
Voltage Range	16-52 VDC
Encoder	2500-line single-turn absolute magnetic encoder
NiMotion Mode	Position, Speed, Torque
CIA402 Mode	PP, VM, PV, PT, HM, IP, CSP, CSV, CST
Drive Mode	Utilizes FOC (Field-Oriented Control) technology and SVPWM
DI (Digital Input)	Quantity: 3 High-speed bidirectional optocoupler, maximum PWM pulse frequency 2MHz, can be connected to an external DC power supply: 12-24V; Configurable functions: Can be used as a switch or as a pulse input channel.
DO (Digital Output)	Quantity: 1 2A@52V, output method: MOS open-drain output; configurable functions: 1. General-purpose DO port; 2. Motor run/stop; 3. Target reached; 4. Alarm output (DO switch status changes when motor status meets the above conditions).
AI (Analog Input)	Quantity: 1; Input method: single-ended input; Signal type: voltage signal; Resolution: 12-bit; Voltage: 0~10V; Accuracy: reference error ≤1%; Configurable functions: dead zone, filtering, offset, scaling, direction.
Operating Temperature	0°C to 40°C
Operating Altitude	<1000m
Fault Alarm	Overvoltage, undervoltage, overtemperature, locked rotor
Servo Function	Soft limit, gain switching, S-curve planning, vibration suppression, parameter identification, online upgrade

Downloads

Name	Type	Size	Update Date
NiMotion Integrated Lead-Screw-Motor Selection Guide	Selection Guide	2.3MB	2026-08-25
stm57xxb-m-1zb-integrated-lead-screw-stepper-servo-motor-internal-cable	Drawing	275.8KB	2026-07-28
Communication Manual – pmm60l/blm/stm-modbus	Communication Manual	4.0MB	2026-08-27
Motor Tuning Software – General Purpose	Software	84.5MB	2026-08-27
Communication Manual – pmm60l/blm/stm-CANopen	Communication Manual	3.8MB	2026-08-27

Companion Products

Power CableSTX001 Power Cable

Power cable for NiMotion integrated motors.

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Communication CableSTX002A/B Communication Cable

Communication cable for NiMotion integrated motors.

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I/O CableSTX004 IO Cable

IO cable for NiMotion integrated motors.

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Communication ConverterSCM-USBCANI-L

USB to CAN converter with isolation, IP65 protection, and secondary development SDK support.

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Communication ConverterSCM-USB485A-L

USB to RS485 converter with active termination, isolation, IP65 protection, and secondary development SDK support.

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Communication CableVDCX010P Communication Cable

Communication cable for NiMotion integrated motors.

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Communication CableSDCX001-KZ-B Communication Cable

Communication cable for NiMotion integrated motors.

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Other AccessoriesM8 Terminal Resistor

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Applications

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Application of integrated servo motor in venous center robotic arm

With the continuous advancement of medical technology, robot-assisted surgery has become an important development direction in the field of modern medicine. Among them, the venous center robot arm, as a key component of the surgical robot, plays a vital role in the accuracy, stability and safety of the operation. As one of the core components of the robot arm, the integrated servo motor is also gaining more and more attention in the application of the venous center robot arm.

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Application of integrated servo motor in AGV

Automation technology has leapt forward, and the popularity of automatic guided vehicles (AGVs) in logistics, warehousing and production has accelerated. As a key equipment in intelligent logistics, AGVs use electrical control, sensing and navigation technologies to achieve automatic handling and precise positioning of goods. The integrated servo motor, as its power heart, is crucial to the performance of AGVs.

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Application of integrated servo motor in tension system equipment

With the rapid development of industrial automation, the demand for high-precision and high-efficiency transmission and control equipment is growing. As an intelligent motor integrating drive, control and feedback, the integrated servo motor has been widely used in various industrial equipment due to its excellent performance. Especially in tensile test equipment, the integrated servo motor plays a vital role.

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Application cases of integrated stepper servo motors in fluid equipment in the spraying industry

The application of integrated stepper servo motors has achieved precision and efficiency in the spraying process. The combination of CANopen communication and intelligent control algorithms has solved the pain points of traditional spraying equipment, such as large flow fluctuations and delayed response, and significantly improved coating quality and production efficiency.

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Application of integrated stepping servo motor in microscope stage

Microscopes are indispensable tools in scientific research and medical diagnosis, and their accuracy and stability are crucial to the observation results. The stage, as an important part of the microscope, carries the sample to be observed, and its movement accuracy and response speed directly affect the observation effect.

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Application and optimization of integrated servo motors in appearance inspection equipment

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Application of integrated servo motor in intelligent (automatic) charging equipment

With the widespread promotion and popularization of new energy vehicles, the demand for charging equipment is also growing. In order to improve the efficiency and performance of charging equipment, integrated servo motor technology is widely used in new energy vehicle charging equipment. Integrated servo motor technology combines the functions of motor, controller, sensor, etc., with the advantages of high efficiency, precision and intelligence, bringing revolutionary changes to the charging equ

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