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42mm Nema 17 12V Dc 70 Oz.In Hybrid Stepper Motor For 3D Printers JK42HS48

Categories Hybrid Stepper Motor
Brand Name: Jkongmotor
Model Number: JK42HS48-1684
Certification: CE, ROHS,ISO9001
Place of Origin: Jiangsu, China (Mainland)
MOQ: 3-10pcs
Price: Negotiable
Payment Terms: T/T , paypal , Western Union, L/C
Supply Ability: 100000pcs/month
Delivery Time: For samples , 7-15 days / For batch , 15-25days
Packaging Details: with export carton . big quantity with pallet
Type: Nema17 Stepper Motor
Holding Torque: 5kg.cm / 70 oz.in
Stepper Angle: 1.8 dregee
Motor Diameter: 42mm
Phase: 2
Motor length: 48mm
Current: 1.68A
Shaft diameter: 5mm
Resistance: 1.65Ω
Shaft length: 24mm
Inductance: 2.8mH
Usage: 3D printers
MOQ: 10pcs
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42mm Nema 17 12V Dc 70 Oz.In Hybrid Stepper Motor For 3D Printers JK42HS48

42mm Nema17 12V dc 70 oz.in hybrid Stepper Motor for 3D printers JK42HS48


1) Product Description and images


There are many structural forms and classification methods of stepper motors, which are generally divided into three types according to the excitation mode: reluctance type, permanent magnet type and mixed magnet type; According to the number of phases, it can be divided into single-phase, two-phase, three-phase and multi equal forms.
The running performance of stepping motor is closely related to the control mode. From the perspective of its control mode, it can be divided into the following three categories: open-loop control system, closed-loop control system and semi closed-loop control system. Semi closed loop control system is generally classified as open loop or closed loop system in practical application.


2) Product DataSheet


Genaral Specification:
ItemSpecifications
Step Angle1.8°
Temperature Rise80℃max
Ambient Temperature-20℃~+50℃
Insulation Resistance100 MΩ Min. ,500VDC
Dielectric Strength:500VAC for 1minute
Shaft Radial Play0.02Max. (450g-load)
Shaft Axial Play0.08Max. (450g-load)
Max. radial force28N (20mm from the flange)
Max. axial force10N
Electrical Specifications:
Model No.Step AngleMotor LengthCurrent
/Phase
Resistance
/Phase
Inductance
/Phase
Holding Torque# of LeadsDetent TorqueRotor InertiaWeight
( °)(L)mmAΩmHkg.cmNo.g.cmg.cm2Kg
JK42HS25-04041.8250.424361.8475200.15
JK42HS28-05041.8280.520211.5485240.22
JK42HS34-13341.8341.332.12.52.64120340.22
JK42HS34-04061.8340.424151.66120340.22
JK42HS34-09561.8340.954.22.51.66120340.22
JK42HS40-04061.8400.430302.66150540.28
JK42HS40-16841.8401.681.653.24.24150540.28
JK42HS40-12061.8401.232.72.96150540.28
JK42HS48-04061.8480.430253.16260680.35
JK42HS48-16841.8481.681.652.85.04260680.35
JK42HS48-12061.8481.23.32.83.176260680.35
JK42HS60-04061.8600.430396.562801020.5
JK42HS60-17041.8601.736.27.342801020.5
JK42HS60-12061.8601.2675.662801020.5
We provide customized service to add gearbox, encoder, brake and integrated driver.

3) Product Drawing


4) Other Products
Stepper Motor Series
Motor seriesPhase No.Step angleMotor sizeMotor lengthHolding torque
Nema 82 phase1.8 degree20x20mm30~42mm180~300g.cm
Nema 112 phase1.8 degree28x28mm32~51mm430~1200g.cm
Nema 142 phase1.8 degree35x35mm27~42mm1000~2000g.cm
Nema 162 phase1.8 degree39x39mm20~44mm650~2800g.cm
Nema 172 phase1.8 degree42x42mm25~60mm1.5~7.3kg.cm
Nema 232 phase1.8 degree57x57mm41~112mm0.39~3.1N.m
Nema 242 phase1.8 degree60x60mm56~111mm1.17~4.5N.m
Nema 342 phase1.8 degree86x86mm67~155mm3.4~12.2N.m
Nema 422 phase1.8 degree110x110mm99~201mm11.2~28N.m
Nema 522 phase1.8 degree130x130mm173~285mm13.3~22.5N.m
We supply Stepper motor, Brushless DC motor, DC Brushed motor, Driver, Spindle motor,
AC servo motor, Coreless motor, Gearbox reducer, Power supply, ball screw, linear guide, and parts.

5) Product information and advantages
Because of the wide application of stepper motors, more and more research has been done on the control of stepper motors. If the stepping pulse changes too fast during startup or acceleration, the rotor cannot follow the change of the power on signal due to inertia, resulting in locked rotor or out of step. When stopping or decelerating, the same reason may lead to over step. In order to prevent locked rotor, out of step and over step, and improve the working frequency, the stepping motor shall be controlled to increase and decrease speed.

The speed of the stepping motor depends on the pulse frequency, the number of rotor teeth and the number of beats. Its angular velocity is proportional to the pulse frequency and synchronized with the pulse in time. Therefore, when the number of rotor teeth and the number of running beats are constant, the required speed can be obtained as long as the pulse frequency is controlled. Since the stepping motor is started by its synchronous torque, the starting frequency is not high in order to avoid out of step. In particular, with the increase of power, the rotor diameter increases, the inertia increases, and the starting frequency and the maximum operating frequency may differ by as much as ten times.

The starting frequency characteristic of the stepping motor makes it impossible to directly reach the operating frequency when the stepping motor is started. Instead, there must be a starting process, that is, from a low speed to the operating speed. The operating frequency cannot be immediately reduced to zero when stopping, but there must be a high-speed gradual reduction to zero.
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