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| Brand Name : | HeTai | 
| Model Number : | 28BYGH102-39AG6 | 
| Certification : | CE ROHS ISO | 
| Price : | USD | 
| Payment Terms : | L/C, D/P, T/T, Western Union, MoneyGram | 
| Supply Ability : | 10000 PCS/MONTH | 
| Delivery Time : | 25 DAYS | 
Nema 11 Stepper Motor With Gearbox 4.22 V 1.8 Degree Customizable High Torque
Stepper motors divide each full rotation into a number of equally sized steps. Also known as step or stepping motors, these 2-phase brushless DC motors offer quick, precise load positioning and exceptional holding torque at any of these incremental steps. Each step represents 1.8°, or 200 steps per revolution. When using a microstepping drive, each 1.8° step can be broken into even smaller increments to achieve nearly servo-like positioning performance—without the need for complex feedback devices or a closed-loop control system.
Another reason to use a gearbox with a stepper motor is to increase the torque available to drive the load. When the load is driven by a motor-gearbox combination, the gearbox multiplies the torque from the motor by an amount proportional to the gear ratio and the efficiency of the gearbox.
Electrical Specification
| STEP ANGLE | °/STEP | 1.8 | 
| RATED VOLTAGE | V | 4.22 | 
| CURRENT | A/PHASE | 0.67 | 
| RESISTANCE | Ω/PHASE | 6.3 | 
| INDUCTANCE | mH/PHASE | 3.2 | 
| HOLDING TORQUE | g.cm | 600 | 
| INSULATION CLASS | B | |
*Products can be customized by special request.

Wiring Diagram
| ELECTRICAL CONNECTION TABLE | ||
| FUNCTION | COLOR | |
| +5V | RED | UL1007 26AWG | 
| HALL A | GREEN | |
| HALL B | BLUE | |
| HALL C | WHITE | |
| GND | BLACK | |
| PHASE A | ORANGE | |
| PHASE B | YELLOW | |
| PHASE C | BROWN | |

GEARBOX Electrical Specification
Out diameter 28mm Powder metallurgy
| Housing material | Bearing at output | Radial load(10mm from flange)N | Shaft axial load(N) | Shaft press-fit force max(N) | Radial play of shaft(mm) | Thrust play of shaft(mm) | Backlash at no-load (°) | 
| Powder metallurgy | sleeve bearings | ≤80 | ≤30 | ≤200 | ≤0.03 | ≤0.4 | ≤1.5 | 
| Planetary gearbox 28 square type | ||||||
| Reduction ratio | Rated tolerance torque (Nm) | Max momentary tolerance torque (Nm) | Efficiency% | Length L (mm) | Weight(g) | Number of gear trains | 
| 1/3 | 0.2 | 0.6 | 81% | 28.5 | 105 | 1 | 
| 1/6 | ||||||
| Planetary gearbox 28 round type | ||||||
| Reduction ratio | Rated tolerance torque (Nm) | Max momentary tolerance torque (Nm) | Efficiency% | Length L (mm) | Weight(g) | Number of gear trains | 
| 1/14 | 0.5 | 1.5 | 72% | 29.8 | 92 | 1 | 
| 1/30 | ||||||
| 1/64 | 1.8 | 5 | 65% | 40 | 105 | 1 | 
| 1/107 | ||||||
Product Application

Certificate
|  |  |  | 
| Stepper motor ROHS report Date: June 09, 2021 | BLDC Motor ROHS report Date: June 09, 2021 | CE cetificate | 
|  |  | 
| IATF 16949: 2016 Valid until: 02 June 2024 | ISO 9001: 2015 Valid until: 02 June 2024 | 
QUALITY CONTROL PROCESS
| Incoming Inspection | ||
|  | ||
| Measure Diameter | Measure Length | Measure Hardness | 
| Stator Inspection | ||
|  | 
| Measure Height | Measure Resistance | Test Waveform | Test phase | Test withstand voltage | 
| Rotor Inspection | ||||
|  | ||||
| Rotor Positioning | Measure core thickness | Measure Rotor shaft length | Check motor misalignment | Measure the outer circle | 
FAQ
1.Are you factory?
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| Company Info. | 
| Changzhou Hetai Motor And Electric Appliance Co., Ltd. | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
 
                                 
                                 
                                 
                                