Step Servo Motor 57HSS100 Incremental Optical 1000 lines Encoder 4A 1.0N.m Closed-loop 2 Phase Hybrid Stepper Motors
1. Products Overview
The principle of a closed-loop stepper motor is to achieve accurate position and speed control by adding the position feedback encoders on the regular stepper motor.
The working principle of the closed-loop step motor is similar to the open loop stepper motor. The key difference is that the closed-loop stepper motor is equipped with the encoder, which is to monitor the actual position of the motor rotor in real time, and feedback this information to the controller. The controller compares the actual and target positions, and then adjust the motor movement to ensure that it works as expected. This closed -loop control method makes the stepper motor more accurately.
The closed -loop stepping motors have the advantages compared with stepping motors and servo motors.
Closed loop stepper motors are relatively quieter and less resonated than stepping motors. At the same time, they can achieve position feedback and control. The correction time is shorter, and no step loss during operation. In terms of energy saving, running stability, and driving higher loads, the closed loop step motor has more advantages.
Compared with the servo motor, the advantages of closed -loop motors are mainly: higher torque at low speed conditions, shorter correction time, accurate positioning, no swing when reach target position, smaller size and lower price etc..
The closed-loop stepper motor is widely used in various precision instruments, machinery and equipment and automated production lines due to its high accuracy, high efficiency, and high reliability. For example, electronics devices manufacturing, CNC machines ( marking, cutting, engraving, milling, and so on), robots, medical devices, testing equipment, packaging, microelectronics manufacturing, optical inspection instruments, printing machines, SPMs and other factory automations etc..
2. Hybrid Stepper Motor General Technical Specifications
| Step Angle | 1.8° (2 Phase) |
| Step Angle Accuracy | 0.09° |
| Shaft Type | Single shaft, Dia. 6.35mm, 8mm (Customizable) |
| Max. Temperature Rise | Less than 80 °C (Rated Current) |
| Max. Surface Temperatures | Max Allowed 100℃ |
| Ambient Temperature | -20 °C ~ +50 °C |
| Insulation Grade | 100 MΩ Min. , Class B |
| Dielectric Strengt | 500 VAC for 1 Minute |
| Max. Axial Load | 15N |
| Max. Radial Load | 90N (0mm from front end of shaft), 100N(5mm),130N(10mm),180N(15mm) |
| Certificates | Rohs, CE, CCC (As per Customer Need) |
3. Hybrid Stepper motor Integrated with Gearbox Performance Datasheet
| Model | Current | Encoder Type | Encoder Resolution | Holding Torque | Matching Drive | Rotor Inertia | Bi/Unipolar | Weight |
| | A/Ø | | Counts/Rev | N.m | | g.cm2 | # of Leads | kg |
| 57HSS100-4004S-E1000AB | 4.0 | Incremental, Optical 1000 lines, AB Signal | 4000 | 1.0 | Y2SS3 Series EEDC Series EED0 Series | 280 | Bi (4) | 0.8 |
4. Mechanical Dimensions (in mm)
5. Motor Connector Description
6. Torque Speed Curves
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Closed Loop Two Phase Stepper Motor 4 Wire Hybrid 57mm Nema 23 Stepper Motor Images
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