Stepper Motor Reprap 3D17

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Product Description:

Stepper Motor Reprap 3D17 

Product Details

Basic Info.

Model NO.:JK42hs

 

Number of Stator:Two-Phase

Excitation Mode:HB-Hybrid

 

Operate Mode:Driver

Type:Magnetic-Electric

 

Export Markets:Global

Additional Info.

Trademark:jk

 

Packing:Export

Standard:nema

 

Origin:Changzhou, China

HS Code:8501109990

 

Production Capacity:100000PCS/Month

Product Description

We offer excellent stepper motors, Stepper Motor Driver, DC Servo Motor, Stepper Motor Power Supply, Stepper Motor Kit, CNC router. These are the Best motors on the market. Stepper Motor is used on CNC router, CNC Lathes, small to MID-sized CNC mills & milling machines, Laser Engravers and Laser Cutters, Vinyl Sign Cutters, CNC Plasma Cutters, and CNC Foam Cutters. The Stepper motor also has been used in precision telescope positioning systems and Robots. Low inductance and high torque make these Motor the best choice.

Model No.  Step AngleMotor LengthCurrent /PhaseResistance /PhaseInductance /PhaseHolding Torque  # of Leads  Detent TorqueRotor InertiaMass
( ° )(L)mmAΩmHkg. cmNo.g. cmg. cmKg
JK42H28-06041.8280.68101.24130270.15
JK42H34-13041.8341.32.42.82.84160340.22
JK42H34-17041.8341.71.21.82.84160340.22
JK42H34-04041.8340.430352.84160340.22
JK42H34-04061.8340.430182.16160340.22
JK42H40-17041.8401.71.52.84.04220540.28
JK42H40-13041.8401.32.55.04.04220540.28
JK42H40-12061.8401.23.22.82.86220540.28
JK42H40-04061.8400.430282.86220540.28
JK42H48-17041.8481.71.83.24.94260680.35
JK42H48-13041.8481.33.25.54.94260680.35
JK42H48-23041.8482.31.21.64.94260680.35
JK42H48-04061.8480.430383.66260680.35

Stepper Motor Reprap 3D17

Stepper Motor Reprap 3D17


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Q:Can a stepper motor be converted to servo motor without changing the PLC program?
The main shaft of the step motor is very tight, and the hand can't move when it is not energized
Q:There is no accumulated error in stepping motor. How do you understand this?
The precision of stepper motor is not cumulative error performance of each step before and in theory should be in the position and has nothing to do every step of the error, such as stepper motor step Angle is 1.8 °, accuracy of 5%, is the practical and theoretical positions of each step should be to the Angle between the location of the error range within the 5% of interval Angle, every step is the Angle of the theory of location and position deviation within 0.09 °.
Q:The step motor is widely used in any field
Stepper motor in the computer embroidery machine is widely used in textile machinery and equipment, such as the characteristics of this kind of stepper motor is to keep the torque is not high, frequent startup response speed, low noise, smooth operation, operation control performance is good, the machine cost is low. Most at present is used for computerized embroidery machine stepper motor as five phase hybrid stepping motors, purpose is through the adoption of high number of step step motor to reduce torque Angle and improve control accuracy, but using this kind of way to get on the performance of the increase is limited. And the cost is relatively high. It can greatly improve the operation quality of stepping motor, reduce torque fluctuation, suppress oscillation, reduce noise and improve the moment resolution. If the reactive step motor is adopted, the cost of the product can be greatly reduced while the performance is improved significantly.
Q:What is the difference between step motor control and servo motor control?
The torque characteristics are different The output torque of the stepping motor decreases with the speed of the revolution, and falls sharply at high speed, so the maximum working speed is 300 ~ 600RPM. Ac servo motor for constant torque output, that is, at its rated speed (2000 RPM and 3000 RPM) of less than, can be rated output torque and constant power output above the rated speed for. Four, overload ability is different The step motor is generally not overloaded. Ac servo motor has the capability of overload. With the example of the panasonic ac servo system, it has the capability of speed overload and torque overload. The maximum torque is three times the rated torque, which can be used to overcome the moment of inertia of the inertia load. Stepper motor because there is no this kind of overload capacity, in order to overcome the inertia moment when selection, often need to select a larger torque of the motor, and the machine during the normal work and don't need that big torque, there is a moment of waste phenomenon.
Q:What is the connection between PLC and motor, including ordinary motors and stepper motors.
The motor and the PLC are completely different units. The motor is a three-phase communication. In addition to the dc DC24V, or DC5V motors The general motor refers to the motor, which is 50HZ, three-phase ac motor, and three-phase AC380V The PLC is connected to the motor power by controlling the contactor. The step motor is a pulse signal and needs DC5V ~ DC24V power. The same power can be used with PLC.
Q:How does the step motor achieve position control
In the control of the step motor, it can be more accurate if handled well. Typically, a step loss occurs when the load is strong, but it can be overcome in certain circumstances: First, it must be enough to choose the step motor power, which is enough torque. 2, the matching of subdivision and rotational speed must be taken into account. 3, the current of the power supply should be sufficient, the current adjustment of the step motor should be more suitable, as far as possible, put in the larger position. Using a controller with a reduced speed control, this can effectively overcome the loss of inertia caused by inertia.
Q:Multiple step motor synchronous rotation
This is easy to implement, stepping motor model parameters is the same (best high consistency stepper motor), drive type and set the same parameters, the controller program parameters are the same, suggest that in the same way pulse control multiple drives, multiple drives again (each drive and drive 2 ~ 3 stepper motor). Disadvantages: the pulse voltage must be high, the control current needs to be improved, the drive current must be large, the motor must work under the rated current.
Q:What is the difference between a step motor and a brushless motor
Brushless motor is no brush, the common life is the electric motor, the old motor has brush, used to change the direction of current, start fast startup torque, not bad, maintenance is easy. The new ones are brushless motors, changing the direction of the current in electronic devices, starting the stable, the torque is smaller, and the maintenance is difficult. The above two kinds of motor controller are simple to adjust speed, cannot locate, namely cannot control electromotor rotation Angle. Speed stepper motors will also be able to locate, need special control and power supply, popular as an example, through programming can be concessions into the speed of the motor according to 720 degrees per second, around 36 degrees 30 minutes. Of course, you can't have a different precision. The speed of the stepping motor is reduced.
Q:What is called the brake step motor?
The power is generated by a compression spring or a permanent magnet, and for all the brakes, a DC24V voltage must be connected to the air gap. Integrated brake by plug connection in evil province environmental conditions (IP54) operation, and can be quickly, connection, no defects with brake stepper motors are widely used in semiconductor devices, binding machine, packaging machinery, textile machinery, CNC machine tools, biological analysis testing instrument of light, a variety of workstations, optical detection equipment, laser focusing device, even the cone machine, automobile testing equipment.
Q:The stepping motor vibrates only
The program error, the program pulse is given too fast, the motor can't react, can only follow the vibrations.

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