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Address: Building A2,Hutang Industrial zone,Lingdao Rd,Wujin District,Changzhou,China.Zip:213162
Contact name:Annie
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Nema17 Planetary Gear Reducer Stepper Motor High Torque With CE ROHS
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.
But while gearboxes multiply torque, they reduce speed. (This is why they’re sometimes referred to as “gear reducers” or “speed reducers.”) In other words, when a gearbox is attached to a motor, the motor must turn faster — by a factor equal to the gear ratio — to deliver the target speed to the load.
1. Genaral Specification of geared stepper motor nema17:
| Housing Material | Metal |
| Bearing at Output | Ball Bearings |
| Max.Radial Load(12mm from flange) | ≤80N |
| Max.Shaft Axial Load | ≤30N |
Radial Play of Shaft (near to Flange) | ≤0.06mm |
| Axial Play of Shaft | ≤0.3mm |
| Backlash at No-load | 1.5° |
2. Electrical Specification of stepper motor gear reducer:
42HS Hybrid Stepping Motor Specifications:
| Model No. | Motor Length | Current /Phase | Resistance /Phase | Inductance /Phase | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| (L)mm | A | Ω | mH | kg.cm | No. | g.cm | g.cm | Kg | |
| JK42HS34-1334 | 34 | 1.33 | 2.1 | 2.5 | 2.2 | 4 | 120 | 34 | 0.22 |
| JK42HS34-0406 | 34 | 0.4 | 24 | 15 | 1.6 | 6 | 120 | 34 | 0.22 |
| JK42HS40-1684 | 40 | 1.68 | 1.65 | 3.2 | 3.6 | 4 | 150 | 54 | 0.28 |
| JK42HS40-1206 | 40 | 1.2 | 3 | 2.7 | 2.9 | 6 | 150 | 54 | 0.28 |
| JK42HS48-1684 | 48 | 1.68 | 1.65 | 2.8 | 4.4 | 4 | 260 | 68 | 0.35 |
| JK42HS48-1206 | 48 | 1.2 | 3.3 | 2.8 | 3.17 | 6 | 260 | 68 | 0.35 |
| JK42HS60-1704 | 60 | 1.7 | 3 | 6.2 | 7.3 | 4 | 280 | 102 | 0.5 |
| JK42HS60-1206 | 60 | 1.2 | 6 | 7 | 5.6 | 6 | 280 | 102 | 0.5 |
42HS Planetary Gearbox Specifications:
| Reduction ratio | 3.71 | 5.18 | 13.76 | 19.2 | 26.8 | 51 | 71 | 99.5 | 139 |
| Number of gear trains | 1 | 2 | 3 | ||||||
| Length(L2) mm | 27.3 | 35 | 42.7 | ||||||
| Max.rated torque kg.cm | 20 | 30 | 40 | ||||||
| Short time permissible torque kg.cm | 40 | 60 | 80 | ||||||
| Weight g | 350 | 450 | 550 | ||||||
Matching Stepper motor Driver: JK0220
3. Dimensions: (Unit=mm)
4. Wiring Diagram:
We aslo supply Stepper motor Kits, linear stepper motor, Dc motor, Brake stepper motor, Stepper motor with Encoder, Flexible Coupling, Pully, Power supply, Breakout Board and so on..
Warranty:
As the stepper motor are digitally controlled using an input pulse, they are suitable for use with computer controlled systems.
They are used in numeric control of machine tools.
Used in tape drives, floppy disc drives, printers and electric watches.
The stepper motor also use in X-Y plotter and robotics.
It has wide application in textile industries and integrated circuit fabrications.
The other applications of the Stepper Motor are in spacecrafts launched for scientific explorations of the planets etc.
These motors also find a variety of commercial, medical and military applications and also used in the production of science fiction movies.
Stepper motors of microwatts are used in the wrist watches.
In the machine tool, the stepper motors with ratings of several tens of kilowatts is used.
