Changzhou Hetai Motor And Electric Appliance Co., Ltd.
Changzhou Hetai Motor And Electric Appliance Co., Ltd.
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28BYGH NEMA 11 Stepper motor with 28mm gearbox max reduction ratio 1:144
*Products can match gearbox 22.28mm
Powder metallurgy 22 mm gearbox with porous bearing has choices of the following reduction ratio:
Stage 1
1/4, 1/4.75
Stage 2
1/16, 1/19, 1/22, 1/26
Stage 3
1/76, 1/88, 1/104, 1/121, 1/144
For the 28mm gearbox, there're 2 reduction ratios which are 1:3 &1:6 (both are one stage).
Please scroll down to see more details about the gearbox
MOTOR PART Electrical Specification:
| MODEL | STEP ANGLE (°/STEP) | LEAD WIRE (NO.) | VOLTAGE (V) | CURRENT (A/PHASE) | RESISTANCE (Ω/PHASE) | INDUCTANCE (MH/PHASE) | HOLDING TORQUE (G.CM) | MOTOR HEIGHT L(MM) | MOTOR WEIGHT (KG) |
|---|---|---|---|---|---|---|---|---|---|
| 28BYGH102-01 | 1.8 | 4 | 3.90 | 0.67 | 6.3 | 3.2 | 600 | 32 | 0.11 |
| 28BYGH105-01 | 6 | 3.1 | 0.95 | 3.3 | 1.0 | 430 | 32 | 0.11 | |
| 28BYGH301 | 4 | 4.56 | 0.67 | 6.8 | 4.9 | 950 | 45 | 0.17 | |
| 28BYGH303 | 6 | 3.40 | 0.95 | 3.4 | 1.0 | 750 | 45 | 0.14 | |
| 28BYGH501 | 4 | 8.04 | 0.67 | 12.0 | 7.2 | 1200 | 51 | 0.19 | |
| 28BYGH502 | 6 | 3.80 | 0.95 | 4.0 | 1.3 | 900 | 51 | 0.20 |
*Products can be customized by special request.
Mechanical Dimension
Wiring Diagram
GEARBOX PART Electrical Specification:
Out diameter 22mm
| 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 | Porous bearing | ≤35 | ≤15 | ≤80 | ≤0.08 | ≤0.4 | ≤1.5 |
| Reduction ratio | Rated tolerance torque (Nm) | Max momentary tolerance torque (Nm) | Efficiency% | Length (mm) | Weight(g) | Number of gear trains |
| 1/4 | 0.1 | 0.3 | 81% | 13.9 | 29 | 1 |
| 1/4.75 | ||||||
| 1/16 | 0.4 | 1.2 | 72% | 32.4 | 52 | 2 |
| 1/19 | ||||||
| 1/22 | ||||||
| 1/26 | ||||||
| 1/76 | 0.8 | 2.5 | 65% | 43.9 | 73 | 3 |
| 1/88 | ||||||
| 1/104 | ||||||
| 1/121 | ||||||
| 1/144 |
Mechanical Dimension
Out diameter 28mm
| 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 bearing | ≤80 | ≤30 | ≤200 | ≤0.03 | ≤0.4 | ≤1.5 |
| Reduction ratio | Rated tolerance torque (Nm) | Max momentary tolerance torque (Nm) | Efficiency% | Length (mm) | Weight(g) | Number of gear trains |
| 1/3 | 0.2 | 0.6 | 81% | 28.5 | 105 | 1 |
| 1/6 |
Mechanical Dimension