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NEMA8 Stepper Ball Screw Linear Actuators
These actuators are external types have 5 different sizes, from 20mm to 57mm. From 0.005mm/
step to 0.1mm/step, variety of resolution for options available. Maximum thrust can reach 1600N.
Encoder option is available for whole Series
| Motor size | NEMA8 | NEMA11 | NEMA14 | NEMA17 | NEMA23 | ||||
| Dia. Lead | Φ4 | Φ5 | Φ6 | Φ6 | Φ8 | Φ6 | Φ8 | Φ10 | Φ12 |
| 1.0 mm | * | * | * | * | * | * | |||
| 2.0 mm | * | * | * | * | * | * | * | * | |
| 2.5 mm | * | * | |||||||
| 4.0 mm | * | * | |||||||
| 5.0 mm | * | * | * | ||||||
| 6.0 mm | * | * | * | ||||||
| 8.0 mm | * | * | |||||||
| 10.0 mm | * | * | * | * | * | * | * | ||
| 12.0 mm | * | * | |||||||
| 15.0 mm | * | ||||||||
| 20.0 mm | * | ||||||||
NEMA8 Stepper Ball Screw Linear Actuators
Motor Characteristics:
| Motor Code | Voltage (V) | Current (A) | Resistance (Ω) | Inductance (mH) | Weight (g) | Lead Wire No | Length (mm) |
| 8E2004 | 3.5 | 0.4 | 8.8 | 2.8 | 51 | 4 | 20 |
| 8E2105 | 2.55 | 0.5 | 5.1 | 1.5 | 74 | 4 | 27.2 |
| 8E2205 | 4.4 | 0.5 | 8.8 | 2.7 | 74 | 4 | 38.1 |
| Ball screw type | SR0401 | SR0402 |
| Ball Diameter | Ф0.8 | Ф0.8 |
| Number of thread | 1 | |
| Thread direction | Right | |
| Shaft root dia. | Ф3.3 | |
| Number of circuit | 3.7×1 | 2.7×1 |
| Shat, nut material | SCM415H | |
| Surface hardness | HRC58~62 | |
| Anti-rust treatment | Anti-rust oil | |
| Nut size | A | B | C | D | H | W | X | Grade | Position accuracy | Total run out | Axial play | Dynamic load(N) | Static load(N) |
| SR0401 | 23 | 4 | 17 | 11 | 15 | 17 | 3.4 | C7 | ±0.05 | 0.12 | 0.02 | 560 | 790 |
| SR0402 | 23 | 4 | 19 | 11 | 15 | 17 | 3.4 | C7 | ±0.05 | 0.12 | 0.02 | 420 | 570 |
NEMA 8 Ball Screw Liner Stepper Motor Performance Curves:
Options for screw end machining:
Catalog for download 
More Information on detail, please feel free to contact me 
| Step Accuracy: | ±5% | Resistance Accuracy: | ±10% |
|---|---|---|---|
| Inductance Accuracy: | ±20% | Temperature Rise: | 80°C MAX |
| Ambient Temperature Range: | -20°C~ 50°C | Storage Temperature Range: | -30°C~ 60°C |
| Insulation Resistance: | 100M Ω MIN. 500V DC | Dielectric Strength: | 500V AC 1min |
| Radial Play: | 0.02mm MAX. (450g Load) | End Play: | 0.08mm MAX. (450g Load) |
| Max. Radial Force: | 20N | Max. Axial Force: | 2N |
NEMA8 Hollow Shaft Stepper Motor
Electrical Specifications:
Model No. | Step Angle | Motor Length (mm) | Rated voltage (v) | Rated Current (A) | Phase Resistance (Ω) | Phase Indutance (Mh) | Holding Torque(MIN) N.cm | Detent Toruue(MAX) N.cm | Motor Torque (g.cm2) | Lead Wire | Motor Weight (g) |
| 8HS2028 | 1.8 | 27.2 | 2.55 | 0.5 | 5.1 | 1.5 | 1.4 | 0.2 | 2.5 | 4 | 50 |
| 8HS2038 | 1.8 | 28.1 | 4.4 | 0.5 | 8.8 | 2.7 | 2.0 | 0.2 | 4.5 | 4 | 70 |
Mechanical Dimensions and Wiring Diagram:
Torque Performance Curve: 
Lead Wire Mode Options:
More Information on detail, please feel free to contact me
The IG6 series integrated motor is the perfect combination of drive and stepper motor,
which perfectly integrates stepper motor and drive technology, also built in 1000 line encoder,
it can save installation space, Simultaneously saving design and production costs,
supporting RS485 and TTL communication.
| Item | Specifications |
| Stepper Motor Size | NEMA8 |
| Encoder type | 1000 line encoder |
| Working voltage | 6~24VDC |
| Driver Current | 0.2-1.5A |
| Velocity range | Up to 3000RPM |
| Control Method | RS485, Pulse& Direction, Twin-Pulse, I/O, Built-in Program |
| Torque value | 0.08 - 0.24Nm |
| Nonvolatile storage | Configuration parameters are stored in FLASH inside the MCU |
| DI and DO | 2/3 DI, 1 DO |
| Protection | Overvoltage, undervoltage, overcurrent, open winding, position deviation |
| Digital Input (2/3) | Receive 3.3-24VDC | ||
| Digital Output(1) | Maximum withstand voltage of 30V, | ||
| Maximum input or output current 30mA | |||
Motor Parameters
NEMA11 integrated Stepper Motor:
| Model No. | length mm L | Shaft length mm | Shaft dia. mm | Phase current A | Resistance Ω | inductance mH | Hold torque N.m | Inertia g.cm² | Weight g |
| IG8002 | 28 | 18 | 4 | 0.6 | 6 | 3 | 0.015 | 2.5 | 80 |
| IG8004 | 38 | 18 | 4 | 1.0 | 3.2 | 1.3 | 0.04 | 3.3 | 100 |
Wiring Diagram:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1. Pulse Type NEMA6 Integrated Stepper Motor, Terminal definition.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2. TTL Type NEMA11 Integrated Stepper Motor, Terminal definition.
Terminal Definition
| Terminal | Name | Description | |
| 1 | V | 6 ~ 24VDC | |
| 2 | V- | GND | |
| 3 | X0(PU) | Optoelectronic isolation, differential, High level can directly receive 3.3-24VDC, with a minimum pulse width of 2us, The maximum pulse frequency is 400KHz, which can be used as a universal input port Pulse/Direction | |
| 4 | X1(DR) | ||
| 5 | X2(EN) | Optoelectronic isolation, differential, High level can directly receive 3.3-24VDC, with a minimum pulse width of 100us, The maximum pulse frequency is 10KHz, which can be used as a universal input port for Enable | |
| 6 | COM- | Input common ground | |
| 7 | Y0 (AL ) | The default alarm output port can detect the driver alarm status and provide feedback to the main station. Other functions can be set through communication | |
| 8 | Y0-(AL-) | ||
Block Diagram:
2 Input signals can directly receive 3.3-24V DC levels at high levels, Max. frequency of 400KHZ.
X0: pulse input, IO start/stop, limit, direction, universal input.
X1 pulse input, IO start/stop, limit, direction, universal input.
...
1 Output signal, maximum withstand voltage 30V, maximum input or output current 30mA
Y0 : alarm output, universal output, and factory default alarm output.
LED indicator and status:
NEMA8 Stepper Lead Screw Linear Actuators
The NEMA 6 is our smallest hybrid linear actuators.
This compact unit can be integrated into various
Applications to provide precise linear positioning while
occupying less than 1 in2 of mounting footprint and
providing up to 44.5N of continuous thrust.
The Working Type for the Different Application Demand:
E: External Linear
N: Non-captive
C: Captive
K: Kaptive
Motor Characteristics:
| Motor Code | Voltage (V) | Current (A) | Resistance (Ω) | Inductance (mH) | Weight (g) | Lead Wire No | Length (mm) |
| 8-2105 | 2.5 | 0.5 | 5.1 | 1.5 | 51 | 4 | 27.2 |
| 8-2205 | 4.4 | 0.5 | 8.8 | 2.7 | 74 | 4 | 38.1 |
| Lead Code | Screw Dia. (inch) | Screw Dia. (mm) | Lead (inch) | Lead (mm) | Travel Per Step @ 1.8 deg (mm) |
| AF | 0.138 | 3.5 | 0.012 | 0.3048 | 0.0015 |
| AA | 0.138 | 3.5 | 0.024 | 0.6096 | 0.003 |
| B | 0.138 | 3.5 | 0.048 | 1.2192 | 0.0061 |
| G | 0.138 | 3.5 | 0.079 | 2 | 0.01 |
| M | 0.138 | 3.5 | 0.158 | 4 | 0.02 |
| T | 0.138 | 3.5 | 0.315 | 8 | 0.04 |
NEMA 8 Stepper Lead Screw Linear Actuators (External Type):
NEMA 8 Stepper Lead Screw Linear Actuators (Non-Captive Type):
NEMA 8 Stepper Lead Screw Linear Actuators (Kaptive Type):
Stroke Specification of Kaptive Actuactor:
| A(mm) | Stroke B (mm) | C(mm) | |
| L=27.2 | L=38.1 | ||
| 11.2 | 9 | 1 | 0 |
| 14.9 | 12.7 | 5 | 0 |
| 21.1 | 19.05 | 11 | 0 |
| 27.6 | 25.4 | 17 | 6 |
| 34 | 31.8 | 24 | 13 |
| 40.3 | 38.1 | 30 | 19 |
Speed Thrust Curves:
Options for screw end machining:
Catalog for download
More Information on detail, please feel free to contact me
| Step Accuracy: | ±5% | Resistance Accuracy: | ±10% |
|---|---|---|---|
| Inductance Accuracy: | ±20% | Temperature Rise: | 80°C MAX |
| Ambient Temperature Range: | -20°C~ 50°C | Storage Temperature Range: | -30°C~ 60°C |
| Insulation Resistance: | 100M Ω MIN. 500V DC | Dielectric Strength: | 500V AC 1min |
| Radial Play: | 0.02mm MAX. (450g Load) | End Play: | 0.08mm MAX. (450g Load) |
| Max. Radial Force: | 20N | Max. Axial Force: | 2N |
NEMA8 Stepper Motor, 1.8° step angle stepper motor
Electrical Specifications:
|
Model No. |
Step Angle |
Motor Length (mm) |
Rated voltage (v) |
Rated Current (A) |
Phase Resistance (Ω) |
Phase Indutance (Mh) |
Holding Torque(MIN) N.cm |
Detent Toruue(MAX) N.cm |
Motor Torque (g.cm2) |
Lead Wire |
Motor Weight (g) |
| 8HS2402 | 1.8 | 28 | 4.6 | 0.2 | 23 | 8.2 | 1.4 | 0.2 | 2.5 | 4 | 50 |
| 8HS2406 | 1.8 | 28 | 1.92 | 0.6 | 3.2 | 0.9 | 1.4 | 0.2 | 2.5 | 4 | 50 |
| 8HS3402 | 1.8 | 33 | 5 | 0.2 | 25 | 8.4 | 1.8 | 0.3 | 3.2 | 4 | 70 |
| 8HS3406 | 1.8 | 33 | 3.9 | 0.6 | 6.5 | 1.7 | 1.8 | 0.3 | 2 | 4 | 60 |
| 8HS4406 | 1.8 | 40 | 3.48 | 0.6 | 5.8 | 1.6 | 2.6 | 0.5 | 4.5 | 4 | 82 |
| 8HS4408 | 1.8 | 40 | 4.32 | 0.8 | 5.4 | 1.5 | 3 | 0.5 | 3.6 | 4 | 80 |
Mechanical Dimensions and Wiring Diagram:
Lead Wire Mode Options:
Shaft Mode can be customized as the requirement.
More Information on detail, please feel free to contact me
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