High Torque NEMA 23 Hybrid Stepper Motor 57mm Motor Diameter
Brand Name:VIC-TECH
Certification:RoHS
Model Number:57HS
Minimum Order Quantity:1Unit
Delivery Time:10~30 days after receiving sample payment
Payment Terms:MoneyGram, Western Union,Credit Card,T/T, L/C
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Changzhou Jiangsu China
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No.28,Shunyuan Road,Xinbei Dist,Changzhou,Jiangsu,China(Mainland)
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High Torque NEMA 23 Hybrid Stepper Motor 57mm Motor Diameter
Description
This is a NEMA 23 57mm diameter hybrid stepper motor.
The step angle has 1.8 degree and 0.9 degree for customers to
choose.
Motor heights are 41mm,51mm,56mm,76mm,100mm,112mm,
The weight and torque of the motor is related to its height.
The standard output shaft of the motor is the D-shaft, which can
also be replaced with a trapezoidal lead screw shaft.
Customers choose the parameters below according to their needs.
Please feel free to contact us with any questions about the motor,
and we will provide more professional support.
Parameters
Step Angle (°) | Motor length (mm) | Holding torque (g*cm) | Current /phase (A/phase) | Resistance (Ω/phase) | Inductance (mH/phase) | No. of leads | Rotational inertia (g*cm2) | Weight (KG) |
| 0.9 | 41 | 3.9 | 1 | 5.7 | 0.7 | 6 | 120 | 0.45 |
| 1.8 | 41 | 3.9 | 2 | 1.4 | 1.4 | 8 | 150 | 0.47 |
| 0.9 | 51 | 7.2 | 2 | 1.6 | 2.2 | 6 | 280 | 0.59 |
| 1.8 | 51 | 3009 | 2 | 1.8 | 2.7 | 8 | 230 | 0.59 |
| 0.9 | 56 | 12 | 2.8 | 0.9 | 3.3 | 4 | 300 | 0.7 |
| 1.8 | 56 | 9 | 2 | 1.8 | 2.5 | 6 | 280 | 0.68 |
| 0.9 | 76 | 18 | 2.8 | 1.15 | 5.6 | 4 | 480 | 1 |
| 1.8 | 76 | 13.5 | 3 | 1 | 1.6 | 6 | 440 | 1.1 |
| 1.8 | 100 | 30 | 4.2 | 0.75 | 3 | 4 | 700 | 1.3 |
| 1.8 | 112 | 31 | 4.2 | 0.9 | 3.8 | 4 | 800 | 1.4 |
Above parameters are standard products for reference, motor can be customized based on customer's requirement.
Design drawing
Basic structure of NEMA stepper motors
Application of Hybrid stepper motor
Due to high resolution of hybrid stepper motor’s (200 or 400 steps
per revolution), they are widely used for applications requiring
high precision, such as:
3D printing
Industrial control(CNC, automatic milling machine, textile
machinery)
Computer peripherals
Packing machine
And other automatic systems requiring high precision control.
ApplicationNotes about hybrid stepper motors
Customers should follow the principle of “selecting stepper motors
first, then select driver based on existing stepper motor”
It is best not to use the full-step driving mode to drive a hybrid
stepping motor, and the vibration is bigger under full-step
driving.
Hybrid stepper motor is more suitable for low-speed occasions. We
suggest the speed does not exceed 1000 rpm (6666PPS at 0.9
degrees), preferably between 1000-3000PPS (0.9 degrees), and it can
be attached with a gearbox to lower it’s speed. The motor has high
working efficiency and low noise at suitable frequency.
Due to historical reasons, only the motor with a nominal 12V
voltage uses 12V. Other rated voltage on design drawing is not
exactly the most suitable driving voltage for the motor. Customers
should choose suitable driving voltage and suitable driver based on
own requirement.
When the motor is used with high speed or large load, it generally
does not start at the working speed directly. We suggest to
gradually increases the frequency and speed. For two reasons:
First, the motor does not lose steps, and second, it can reduce
noise and improve the positioning accuracy.
The motor should not work in the vibration area(below 600 PPS ). If
it must be used at slow speed, vibration problem could be reduced
by changing the voltage, current or adding some damping.
When the motor works below 600PPS (0.9 degrees), it should be
driven by small current, large inductance and low voltage.
For loads with a large moment of inertia, a large size motor should
be selected.
When higher precision is required, it could be solved by adding
gearbox, increasing the motor speed, or using subdivision driving.
Also a 5-phase motor(unipolar motor) could be used, but the price
of the entire system is relatively expensive, so it’s rarely used.
Stepper motor size:
We currently have 20mm(NEMA8), 28mm(NEMA11), 35mm(NEMA14),
42mm(NEMA17), 57mm(NEMA23), 86mm(NEMA34) hybrid stepper motors. We
suggest to determine motor size first, then confirm other
parameter, when you select a hybrid stepper motor.
Customization service
Motor’s design can be adjusted based on customer’s requirement
including:
Motor’s diameter: we have 6mm, 8mm, 10mm, 15mm and 20 mm diameter
motor
Coil resistance/ rated voltage: coil resistance is adjustable, and
with higher resistance, motor’s rated voltage is higher.
Bracket design/ lead screw length: if customer want the bracket to
be longer/short, with special design such as mounting holes, it’s
adjustable.
PCB + cables + connector: PCB’s design, cable length and connector
pitch are all adjustable, they can be replaced into FPC if
customers require.
Lead Time
If we have samples in stock, we can ship out samples in 3 days.
If we do not have samples in stock, we need to produce them,
production time is about 20 calendar days.
For mass production, lead time depends on order quantity.
Payment method and payment terms
For samples, in general we accept Paypal or alibaba.
For mass production, we accept T/T payment.
For samples, we collect full payment before production.
For mass production, we can accept 50% pre-payment before
production, and collect the rest 50% payment before shipment.
After we cooperate order more than 6 times, we could negotiate
other payment terms such as A/S (after sight)
FAQ
1.How long is the general delivery time for samples? How long is
the delivery time for back-end large orders?
Sample order lead-time is about 15 days,mass quantity order lead
-time is 25-30 days.
2. Do you accept custom services?
We accept products customize.including the motor parameter,lead
wire type,out shaft etc.
3. Is it possible to add an encoder to this motor?
For this type motor, we can adding encoder on the motor wear cap.
Frequently Asked Question
1.Causes and solutions for increased load on stepper motors after
long-term use
Cause: In some cases, stepper motors can run normally for a long
time, but after a period of time they will lose steps. In this
case, the load on the stepper motor is likely to have changed. It
may come from the wear of stepper motor bearings or from external
influences.
Solution.
①Verify that the external environment has not changed: Has the
mechanism of the motor drive changed?
②Verify bearing wear: Use ball bearings instead of bushings to
extend motor life.
③Verify that the ambient temperature has not changed. For micro
motors, the effect of bearing grease viscosity is not negligible.
Use grease that is suitable for the operating range. (e.g. grease
may become viscous at extreme temperatures, or under prolonged use
thereby increasing motor load)
2.Stepper motor heating causes
①The current set by the driver is larger than the rated current of
the motor
②the speed of the motor is too fast
③the motor itself has a large inertia and positioning torque, so
even medium-speed operation will be hot, but does not affect the
life of the motor. The demagnetization point of the motor in
130-200 ℃, so the motor in 70-90 ℃ is a normal phenomenon, as long
as less than 130 ℃ is generally no problem, if you really feel
overheated, the drive current is set to about 70% of the rated
motor current or motor speed to reduce some.
3.When the stepper motor is powered on, the motor shaft does not
rotate how to do?
There are several reasons why the motor does not rotate.:
A.Overload blocking rotation
B.whether the motor has been damaged
C.whether the motor is offline
D.whether the pulse signal CP to zero
High Torque NEMA 23 Hybrid Stepper Motor 57mm Motor Diameter
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