How does a close loop stepper motor work?

A stepper motor is inherently open-loop. as every pulse of current delivered by the drive corresponds. to one step of the motor (or fractions of a step when micro stepping is used). So if the position of a stepper motor can be determined in an open-loop system. why do close loop stepper motor control systems required so much more cost and complexity?

Precise positioning of the motor depends on its never losing steps. Unfortunately, real-world situations can cause the motor to skip steps – for example, a jammed machine that prevents it from rotating.

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Position correction after step loss

close loop stepper motor

Step-loss compensation, also call step-loss control or stepper position maintenance, is the most common close loop stepper system. An encoder tracks the load position, and the drive operates in microste mode.

The simple closed-loop strategy for stepper motors is step-loss compensation. Additionally, has the disadvantage of only compensating for missed steps at the end of a move. not constantly throughout the moved profile.

Load Position Control

It is also know as close-loop micro stepping because it continuously monitors the position of the shaft (or load). A controller reacts to this error signal in real-time throughout the entire move profile.

As a stepper system, it still operates in micro stepping mode with load position control. but the move profile is follow precisely. An alternative would be to permit the motor to deviate during the moved. and issued a single position compensation commanded at the end.

Contact us today! Visit https://www.czcymotor.com/pro_cat/closed-loop-stepper-motor/.

Changzhou Chuangyi Motor & Electric Appliance Co.,ltd is located in Qishuyan District, Changzhou City, Jiangsu Province, which specialized in the hybrid stepping motor. Our company was find in 2002.

Our products are widely use in many machines such as sewing machine. 3D printing machine, vertical packing machine, CNC Lathe Machine, embroidering machine and so on.

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What are nema 42 and nema 17 stepper motor?

 The nema 42 stepper motor performs flawlessly in challenging applications with a static torque of 29Nm. Furthermore, with a 19mm shaft and key, these motors are easily customized mechanically and electrically.

Several types of stepper motors are available from stock that feature high torque, a compact size, and are competitively priced. Czymotor offers a high-quality nema 42 stepper motor and drives to provide a modern and performance motion control system.

The stepper motors we manufacture are designed with standard NEMA flanges for easy installation on existing systems and new ones.

 What is nema 17 stepper motor?

National Electrical Manufacturers Association (NEMA) sets standards used to determine tolerances for many products, including step motors. Step motors are categorized according to NEMA frame size, such as "size 11," "size 23," or "size 34". Nema 17 stepper motor has a 1.8-degree step angle and a 1.7 x 1.7 inch faceplate.

A NEMA 17 stepper typically has more torque than a smaller variant, such as a NEMA 14, and should be driven with 12-24V.

Applications of nema 17 stepper motor

NEMA 17 steppers are useful for a variety of industrial and commercial applications, but the most common are:

• 3D Printers


• Robotics


• Laser Cutters


• CNC Machining

Want to purchase these high quality stepper motors? Contact us or visit our site: https://www.czcymotor.com/.

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