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Hybrid Stepper Motor

 

Stepper Motor Basic:

A stepper motor is an electric motor that rotates its shaft in precise, fixed-degree steps. Due to its internal structure, you can track the shaft's exact angular position by counting the steps—no sensor needed. This precision makes stepper motors ideal for many applications.
 

Stepper Motor System:

The operation of a stepper motor system revolves around the interaction between the rotor and stator. Here’s a detailed look at how a typical stepper motor works:
Signal Generation: A controller generates a sequence of electrical pulses that represent the desired movement.
Driver Activation: The driver receives the signals from the controller and energizes the motor windings in a specific sequence, creating a rotating magnetic field.
Rotor Movement: The magnetic field generated by the stator interacts with the rotor, causing it to rotate in discrete steps. The number of steps corresponds to the pulse frequency sent by the controller.
Feedback (Optional): In some systems, a feedback mechanism, such as an encoder, may be used to ensure that the motor has moved the correct distance. However, many stepper motor systems operate without feedback, relying on the precise control of the driver and controller.
 

BesFoc Hybrid Stepper Motor Kinds:

Hybrid stepper motors combine features of both PM and VR motors to deliver superior performance. They offer better torque and accuracy, making them suitable for more demanding applications such as CNC machines, 3D printers, and robotic systems.

Hybrid stepper motors are BesFoc main products. Our stepper motors include 2-phase and 3-phase, with step angles of 0.9°, 1.2° and 1.8°, and motor sizes of nema8, 11, 14, 16, 17, 23, 24, 34, 42 and 52. In addition to standard hybrid stepper motors, we also specialize in the production of linear stepper motors, closed-loop stepper motors, hollow-shaft stepper motors, IP65 IP67 waterproof stepper motors, geared stepper motors and Integrated stepper servo motors, etc., in which the stepping motor parameters, encoder, gearbox, brake, built-in drivers, etc. can be customized according to different needs.
20 stepper motor

NEMA 8 Hybrid Stepper Motor

Stepper motor, small size, high torque, low noise, step angle: 1.8°, NEMA8, 20x20mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Wires Body Length Current Resistance Inductance Holding Torque Leads NO. Rotor Inertia Weight
(°) / / / (L)mm A Ω mH N.cm No. g.cm2 Kg
BF20HS30-0604 1.8 2 Round Connector 30 0.6 6.5 1.7 1.8 4 2 0.05
BF20HS33-0604 1.8 2 Round Connector 33 0.6 6.5 1.7 2 4 2 0.06
BF20HS38-0604 1.8 2 Round Connector 38 0.6 9 3 2.2 4 3 0.08
6

NEMA 11 Hybrid Stepper Motor

Stepper motor, small size, high torque, low noise, step angle: 1.8°, NEMA11, 28x28mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
(°) / / / (L)mm A Ω mH N.cm No. g.cm2 Kg
BF28HS32-0674 1.8 2 Round Directwires 32 0.67 5.6 3.4 6 4 9 0.11
BF28HS45-0674 1.8 2 Round Directwires 45 0.67 6.8 4.9 9.5 4 12 0.14
BF28HS51-0674 1.8 2 Round Directwires 51 0.67 9.2 7.2 12 4 18 0.2
35 stepper motor

NEMA 14 Hybrid Stepper Motor

Stepper motor, small size, high torque, low noise, step angle: 0.9° or 1.8°, NEMA14, 35x35mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
(°) / / / (L)mm A Ω mH N.cm No. g.cm2 Kg
BF35HM27-0504 0.9 2 Round Direct wire 27 0.5 10 14 10 4 6 0.13
BF35HM34-1004 0.9 2 Round Direct wire 34 1 2 3 12 4 9 0.17
BF35HM40-1004 0.9 2 Round Direct wire 40 1 2 4 15 4 12 0.22
BF35HS28-0504 1.8 2 Round Direct wire 28 0.5 20 14 10 4 11 0.13
BF35HS34-1004 1.8 2 Round Direct wire 34 1 2.7 4.3 14 4 13 0.17
BF35HS42-1004 1.8 2 Round Direct wire 42 1 3.8 3.5 20 4 23 0.22
Circular stepper motor

0.9° 36mm Round Hybrid Stepper Motor

Stepper motor, small size, high torque, low noise, step angle: 0.9°, 36x36mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
(°) / / / (L)mm A Ω mH N.cm No. g.cm2 Kg
BF36HM12-0304 0.9 2 Round Direct wire 12 0.3 16.8 8.5 4.2 4 4 0.06
BF36HM18-0404 0.9 2 Round Direct wire 18 0.4 12 5 5.6 4 6 0.1
BF36HM21-0404 0.9 2 Round Direct wire 21 0.4 9 5 8.1 4 7 0.13
1-1

NEMA 16 Hybrid Stepper Motor

Stepper motor, small size, high torque, low noise, step angle: 1.8°, NEMA16, 39x39mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
(°) / / / (L)mm A Ω mH N.cm No. g.cm2 Kg
JK39HY20-0404 1.8 2 Round Lead wire 20 0.4 6.6 7.5 6.5 4 11 0.12
JK39HY34-0404 1.8 2 Round Lead wire 34 0.4 30 32 21 4 20 0.18
JK39HY38-0504 1.8 2 Round Lead wire 38 0.5 24 45 29 4 24 0.2
6

NEMA 17 Hybrid Stepper Motor

Stepper motor, high torque, low noise, smooth type, step angle: 1.8° or 0.9°, NEMA17, 42x42mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
(°) / / / (L)mm A Ω mH N.cm No. g.cm2 Kg
BF42HM34-1334 0.9 2 Round Lead wire 34 1.33 2.1 4.2 22 4 35 0.22
BF42HM40-1684 0.9 2 Round Lead wire 40 1.68 1.65 3.2 33 4 54 0.28
BF42HM48-1684 0.9 2 Round Lead wire 48 1.68 1.65 4.1 44 4 68 0.35
BF42HM60-1684 0.9 2 Round Lead wire 60 1.68 1.65 5 55 4 106 0.55
BF42HW20-1004-03F 1.8 2 D-cut Lead wire 20 1.0 3.4 4.3 13 4 20 0.13
BF42HS25-0404 1.8 2 Round Lead wire 25 0.4 24 36 15 4 20 0.15
BF42HS28-0504 1.8 2 Round Lead wire 28 0.5 20 21 18 4 24 0.22
BF42HS34-1334 1.8 2 Round Lead wire 34 1.33 2.1 2.5 26 4 34 0.22
BF42HS34-0404 1.8 2 Round Lead wire 34 0.4 30 35 28 4 34 0.22
BF42HS34-0956 1.8 2 Round Lead wire 34 0.95 4.2 2.5 22 6 34 0.22
BF42HS40-1206 1.8 2 Round Lead wire 40 1.2 3 2.7 32 6 54 0.28
BF42HS40-1704 1.8 2 Round Lead wire 40 1.7 1.5 2.3 42 4 54 0.28
BF42HS40-1704-13A 1.8 2 D-cut Connector 40 1.7 1.5 2.3 42 4 54 0.28
BF42HS48-1206 1.8 2 Round Lead wire 48 1.2 3.3 2.8 40 6 68 0.35
BF42HS48-1204 1.8 2 Round Lead wire 48 1.2 4.8 8.5 48 4 68 0.35
BF42HS48-0404 1.8 2 Round Lead wire 48 0.4 30 45 44 4 68 0.35
BF42HS48-1684 1.8 2 Round Lead wire 48 1.68 1.65 2.8 44 4 68 0.35
BF42HS60-1206 1.8 2 Round Lead wire 60 1.2 6 7 5.6 6 102 0.55
BF42HS60-1704A 1.8 2 D-cut Connector 60 1.7 3 6.2 7.3 4 102 0.55
1

NEMA 23 Hybrid Stepper Motor

Stepper motor, high torque, low noise, smooth type, step angle: 0.9° or 1.2° or 1.8° NEMA23, 57x57mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Dia Shaft Type Wirs Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
(°) / mm / / (L) mm A Ω mH Nm No. g.cm2 Kg
BF57HM41-2804 0.9 2 6.35 Round Direct wire 41 2.8 0.7 2.2 0.5 4 120 0.45
BF57HM56-2804 0.9 2 6.35 Round Direct wire 56 2.8 0.9 3.3 1.2 4 300 0.7
BF57HM76-2804 0.9 2 6.35 Round Direct wire 76 2.8 1.15 5.6 1.8 4 480 1.0
BF57HS41-2804 1.8 2 6.35 Round Direct wire 41 2.8 0.7 1.4 0.55 4 150 0.47
BF57HS51-2804 1.8 2 6.35 Round Direct wire 51 2.8 0.83 2.2 1.01 4 230 0.59
BF57HS56-2804 1.8 2 6.35 Round Direct wire 56 2.8 0.9 2.5 1.26 4 280 0.68
BF57HS76-2804 1.8 2 6.35 Round Direct wire 76 2.8 1.1 3.6 1.89 4 440 1.1
BF57HS82-3004 1.8 2 8 Round Direct wire 82 3.0 1.2 4.0 2.1 4 600 1.2
BF57HS100-3004 1.8 2 8 Round Direct wire 100 3.0 0.75 3.0 3.0 4 700 1.3
BF57HS112-3004 1.8 2 8 Round Direct wire 112 3.0 1.6 7.5 3.0 4 800 1.4
BF57HS112-4204 1.8 2 8 Round Direct wire 112 4.2 0.9 3.8 3.1 4 800 1.4
1

NEMA 24 Hybrid Stepper Motor

Stepper motor, high torque, low noise, smooth type, step angle: 1.8° NEMA24, 60x60mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Type Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
(°) / / / (L)mm A Ω mH Nm No. g.cm2 Kg
BF60HS56-2804 1.8 2 Round Direct wire 56 2.8 0.9 3.6 1.65 4 300 0.77
BF60HS67-2804 1.8 2 Round Direct wire 67 2.8 1.2 4.6 2.1 4 570 1.2
BF60HS88-2804 1.8 2 Round Direct wire 88 2.8 1.5 6.8 3.1 4 840 1.4
BF60HS100-2804 1.8 2 Round Direct wire 100 2.8 1.6 6.4 4 4 980 1100
BF60HS111-2804 1.8 2 Round Direct wire 111 2.8 2.2 8.3 4.5 4 1120 1200
1

NEMA 34 Hybrid Stepper Motor

Stepper motor, low rotor inertia, large torque, fast acceleration, step angle: 1.8°, NEMA34, 86x86mm
Optional: Lead-wires, gearbox, encoder, brake, integrated drivers...
Model Step Angle Phase Shaft Type Wires Body Length Current Resistance Inductance Holding Torque Leads No. Rotor Inertia Weight
(°) / / / (L)mm A Ω mH Nm No. g.cm2 Kg
BF86HS78-6004 1.8 2 Key Direct wire 78 6.0 0.37 3.4 4.6 4 1400 2.3
BF86HS115-6004 1.8 2 Key Direct wire 115 6.0 0.6 6.5 8.7 4 2700 3.8
BF86HS126-6004 1.8 2 Key Direct wire 126 6.0 0.58 6.5 9.5 4 3200 4.5
BF86HS155-6004 1.8 2 Key Direct wire 155 6.0 0.68 9.0 13.0 4 4000 5.4

Hybrid Stepper Motors Features:

A hybrid stepper motor merges the best characteristics of permanent magnet and variable reluctance technologies to provide superior performance. It is often referred to as a hybrid motor due to its combination of features from both motor types.

The rotor in a hybrid stepper motor contains a permanent magnet, while the stator has multiple coils that interact with the rotor to create a magnetic field. The rotor is designed with teeth or poles that align with the stator poles, allowing for finer control over the step resolution. This combination of permanent magnet and variable reluctance design provides high torque, excellent step resolution, and minimal backlash, making hybrid stepper motors highly efficient.

 

Hybrid Stepper Motors Structure:

stepper motor manufacturer

The structure of a hybrid stepper motor consists of several key components:

Stator, rotor, cover, shaft, bearing, magnets, iron cores, wires, winding insulation, corrugated washers and so on...
 

Working Principle of Hybrid Stepper Motor Structure:

  • The stator coils are energized in a specific sequence, creating magnetic fields that attract or repel the teeth of the rotor.
  • As the rotor's teeth align with the stator poles, the rotor moves to the next stable position (a "step").
  • The combination of the rotor's permanent magnet and teeth ensures precise positioning and high torque with minimal loss.
 

Advantages of Hybrid Stepper Motors:

  1. High Precision: Small step angles (e.g., 1.8° or 0.9°) allow for precise positioning.
  2. High Torque: The combination of the permanent magnet and electromagnetic fields provides strong torque at low speeds.
  3. Efficient Design: Hybrid motors are more efficient than variable reluctance stepper motors.
  4. Smooth Operation: Micro-stepping allows for smoother motion with reduced vibration.
 

Stepper Motors Applications:

  • 3D Printers
  • CNC Machines
  • Robotics
  • Medical Equipment
  • Industrial Automation Systems
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