Common Geared Stepper Motor Nema 17 High Torque 4.2kg.Cm Ratio 10:1
Common Geared Motor Step NEMA17 High Torque 4.2kg.cm Ratio 10:1
Genaral Specification:
|
Housing Material |
Metal |
|
Bearing at Output |
Ball Bearings |
|
Max.Radial Load(12mm from flange) |
≤20N |
|
Max.Shaft Axial Load |
≤15N |
|
Radial Play of Shaft (near to Flange) |
≤0.06mm |
|
Axial Play of Shaft |
≤0.3mm |
|
Backlash at No-load |
1.5° |
42HS Hybrid Stepping Motor Specifications:
|
Model No. |
Step Angle |
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 |
|
JK42HS40-1704 |
1.8 |
40 |
1.7 |
1.5 |
2.3 |
4.2 |
4 |
150 |
54 |
0.28 |
Gearbox Specifications:
|
Reduction ratio |
10 |
20 |
|
|
Number of gear trains |
2 |
3 |
|
|
Length(mm) |
28.5 |
||
|
Peak torque(kg.cm) |
10 |
||
|
Backlash at Noload |
4deg |
3deg |
|
Stepper Motor Advantages
- Low cost for control achieved
- High torque at startup and low speeds
- Ruggedness
- Simplicity of construction
- Can operate in an open loop control system
- Low maintenance
- Less likely to stall or slip
- Will work in any environment
- Can be used in robotics in a wide scale.
- High reliability
- The rotation angle of the motor is proportional to the input pulse.
- The motor has full torque at standstill (if the windings are energized)
- Precise positioning and repeatability of movement since good stepper motors have an accuracy of 3–5% of a step and this error is non-cumulative from one step to the next.
- Excellent response to starting/stopping/reversing.
- Very reliable since there are no contact brushes in the motor. Therefore, the life of the motor is simply dependent on the life of the bearing.
- The motors response to digital input pulses provides open-loop control, making the motor simpler and less costly to control.
- It is possible to achieve very low-speed synchronous rotation with a load that is directly coupled to the shaft.
- A wide range of rotational speeds can be realized as the speed is proportional to the frequency of the input pulses.
Stepper Motor Applications
- 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
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