57mm 2 phase hybrid NEMA17 bipolar stepper motor1.8 step motor
Product description
- Material quality: The coat is 304 stainless steel, the water jacket is the high compression casting aluminum tube, the red copper coil.
- Mechanical size 100% meet the requirements, to ensure that there is no greater error in the use process
- Automatic assembly line
- Automatic assembly line, improve production efficiency, low cost without human operation, one line down intelligent mechanical automatic assembly
- Automatic machine operation, stable automatic work, high processing efficiency.
- The material is selected from well-known manufacturers at home and abroad. The advantages are light weight, good heat dissipation performance, good thermal conductivity, die-casting, good plasticity, higher elongation than iron, low noise, good motion stability, the disadvantages are high price, low hardness
Specifications of NEMA17 bipolar stepper motor
Mode No | PST57H276-4P30 | PST57H276-4L40 | PST57H276-4L50 |
Holding Torque | 2N.m |
Related Current | 3A/Phase | 4A/Phase | 5A/Phase |
Resistance | 1.1Ω/Phase | 0.65Ω /Phase | 0.37Ω/Phase |
Inductance | 4.2MH/Phase | 2.35MH/Phase | 1.8MH/Phase |
Inertia | 480g.cm2 |
Weight | 1.1kgs |
Length | 76.5mm |
Connection | P | L |
Speed/Torque Characteristics(Reference Value)

Product description
- Material quality: The coat is 304 stainless steel, the water jacket is the high compression casting aluminum tube, the red copper coil.
- Mechanical size 100% meet the requirements, to ensure that there is no greater error in the use process
- Automatic assembly line
- Automatic assembly line, improve production efficiency, low cost without human operation, one line down intelligent mechanical automatic assembly
- Automatic machine operation, stable automatic work, high processing efficiency.
- The material is selected from well-known manufacturers at home and abroad. The advantages are light weight, good heat dissipation performance, good thermal conductivity, die-casting, good plasticity, higher elongation than iron, low noise, good motion stability, the disadvantages are high price, low hardness
Advantage of Product
- Prostepper motor use of a unique stator thechnology to ensure that the motor stator teeth grinding and smooth high accuracy of the hole, the work of the process of speed stability is not lose step
- Prostepper motorcoil is made of 100% pure copper enameled wire , advanced winding threading process, copper wire is evenly arranged, good overall motor stability , the long time does not appear deformation and noise and so on.
- High quality motor steel, the load on the shaft can produce high torque the inertia ratio, and can eliminate, the system error due to the use of reduction gears
Quality control process:
1. Incoming inspection: The inspection shall be conducted according to the Requirements of the Incoming Inspection Specification or the product drawing
2. Monitoring and measurement of production process (self-inspection - inspection - batch production)
3. Final inspection and test
4. All inspectors must be trained and then put on duty
5. Nonconforming products shall be executed in accordance with Nonconforming Product Control Procedures
6. Raw material inspection
7. Inspecting according to the standard of testing raw material or the drawing
8. Monitoring and measurement in production process
9. Self checking-tested by QC-Batches production
10. Final checking and make experiment
11. All products should be through testing by the professional equipment

Buyer's concerns
- Q1: What about your warranty?
A: We guarantee is one year . for sea order .
- Q2: Do you have any certificates?
A: Yes, we have. All the motors have been approved by CE and RoHS.
- Q3: What's the delivery time ?
A: Except special order. For samples usually 7-25 working days . for batch order usually 20-25days.
