1. Captive Hybrid Linear Stepper motor Overview
The captive hybrid linear stepper motor are specialized by high precision, high smoothness, low heating, fast response, low noise etc., and widely used in industrial automation fields, such as medical equipment, electronics machines, testing equipment, vision inspection machines, semiconductor production equipment, telecommunications, etc.
Kaifull captive linear motors advantages are high reliability, high performance, long life time, small size, high smoothness and low noise, and high efficiency, fast response etc.
Due to the adoption of TOP level materials of motor and lubrication, the motor is mostly free of maintenance.
Also Flexible customization also supported based on customer requirements, such as motor size, motor body length, screw lead, stroke, force etc.
2. Hybrid Stepper Motor Naming Rules and General Technical Specifications
Linear stepper motor naming rules,
General Specifications,
| Step Angle | 1.8° (2 Phase) |
| Step Angle Accuracy | ±0.09° |
| Size | Nema23, 57mm |
| Insulation Grade | 500VDC, 20 MΩ Min. ,Class B |
| Dielectric Strengt | 500 VAC for 1 Minute |
| Temperature Rise | Less than 80℃ (Rated Current) |
| Suface Temperature | Max.Allowed 100℃ |
| Humidity Range | 20% to 90% RH |
| IP Grade | IP40 |
| Certificates | Rohs, CE, CCC |
3. 20LHS0494/0244/0164 Captive Type Hybrid Linear Stepper Motor Performance Datasheet
| Model Name | Wiring | Rated Voltage | Rated Current | Resistance /phase | Inductance /phase | Power Consumption | Temp. Rise | Weight | Insulation Resistance |
| 57LHS2004 | Bipolar | 3.25V | 2.0A | 1.63Ω | 3.5mH | 13W | 75℃ | 511g | 20MΩ |
| 57LHS1304 | 5V | 1.3A | 3.85Ω | 10.5mH |
| 57LHS0544 | 12V | 0.54A | 22.2Ω | 47mH |
| 57LHS1306 | Unipolar | 5V | 1.3A | 3.85Ω | 5.3mH |
| 57LHS0546 | 12V | 0.54A | 22.2Ω | 23.6mH |
Note: Customization of motor specifications available.
Available leadscrew specifications,
| Code | Leadscrew Thread Dimensions in mm |
| diameter | step | lead |
| A | φ9.53 | 0.0079375 | 1.5875 |
| T | φ9.53 | 0.021166 | 4.22 |
| S | φ9.53 | 0.010584 | 2.1168 |
| 3 | φ9.53 | 0.0127 | 2.54 |
| 1 | φ9.53 | 0.0254 | 5.08 |
| 2 | φ9.53 | 0.0508 | 10.16 |
4. Mechanical Dimensions (in mm)
Captive Type Mechanical Drawings as bellow,
5. Force and Pulse Rate Curves
6. Wirings
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57LHS Series Six Wires 990N Force 2 Phase Nema23 Captive Hybrid linear Stepper Motors Linear Acuators Images
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