In this presentation, Lin Engineering will cover common stepper motor applications, issues that can arise within those applications, and stepper modifications that can help resolve those problems. Stepper motors are used in a multitude of applications in many different industries. Steppers can be applied to printers, robotics, security cameras, conveyor belts and aircraft in industries like automation, medical, surveillance, and renewable energy just to name a few.
Each application is unique and the stepper motor must adapt to each situation. Due to the mechanical and environmental requirements from each system, a number of issues and failures can arise when stepper motors are introduced into such applications. Lin Engineering will discuss the root causes of issues like vibration, excessive heat, Back EMF, inertia mismatch and step loss that are seen while using a stepper motor. Lin Engineering will also explain how to resolve the problems through modifications and describe the effects of adding gearboxes, encoders, lead screws, vacuum and additional environmental modifications to a stepper motor.
Why to Watch:
Learn what modifications are required of stepper motors in certain applications.
Learn what common issues arise from different applications.
Learn what applications a stepper motor can be applied to.
Learn how to resolve common application issues through stepper modifications.
In this presentation, Lin Engineering will cover common stepper motor applications, issues that can arise within those applications, and stepper modifications that can help resolve those problems. Stepper motors are used in a multitude of applications in many different industries. Steppers can be applied to printers, robotics, security cameras, conveyor belts and aircraft in industries like automation, medical, surveillance, and renewable energy just to name a few.
Each application is unique and the stepper motor must adapt to each situation. Due to the mechanical and environmental requirements from each system, a number of issues and failures can arise when stepper motors are introduced into such applications. Lin Engineering will discuss the root causes of issues like vibration, excessive heat, Back EMF, inertia mismatch and step loss that are seen while using a stepper motor. Lin Engineering will also explain how to resolve the problems through modifications and describe the effects of adding gearboxes, encoders, lead screws, vacuum and additional environmental modifications to a stepper motor.
Why to Watch:
Learn what modifications are required of stepper motors in certain applications.
Learn what common issues arise from different applications.
Learn what applications a stepper motor can be applied to.
Learn how to resolve common application issues through stepper modifications.
Stepper Motor Types, Advantages And Applicationselprocus
A stepper motor is an electromechanical device which converts electrical pulses into discrete mechanical movements. The shaft or spindle of a stepper motor rotates in discrete step increments when electrical command pulses are
applied to it in the proper sequence. The motors rotation has several direct relationships to these applied input pulses. The sequence of the applied pulses is directly related to the direction of motor shafts rotation. The speed of the
motor shafts rotation is directly related to the frequency of the input pulses and the length of rotation is directly related to the number of input pulses applied.
Stepper Motor Basics and Types with different modes of operation
1. Basics of stepper motor
2. step angle
3. types
4. Variable reluctance stepper motor
5. 1-phase-on mode
6. 2-phase-on mode
7. half step mode
8. PM stepper motor
9. Hybrid Stepper Motor
10. Application
Stepper Motor Types, Advantages And Applicationselprocus
A stepper motor is an electromechanical device which converts electrical pulses into discrete mechanical movements. The shaft or spindle of a stepper motor rotates in discrete step increments when electrical command pulses are
applied to it in the proper sequence. The motors rotation has several direct relationships to these applied input pulses. The sequence of the applied pulses is directly related to the direction of motor shafts rotation. The speed of the
motor shafts rotation is directly related to the frequency of the input pulses and the length of rotation is directly related to the number of input pulses applied.
Stepper Motor Basics and Types with different modes of operation
1. Basics of stepper motor
2. step angle
3. types
4. Variable reluctance stepper motor
5. 1-phase-on mode
6. 2-phase-on mode
7. half step mode
8. PM stepper motor
9. Hybrid Stepper Motor
10. Application
Content:
Introduction to Stepper Motors
Types of Stepper Motors
Main components of a stepper motor
How do these components work together
Control sequence to turn a stepper motor
Advantages and disadvantages of stepper motors
Practical Applications of stepper motor
Step Angle
Summary
For more information Email us:
Engineeringgaragevir@gmail.com
Regards;
xubair khan
Presentation for unit V in Mechatronics excluding case study. Stepper motor, servo motor, design procedure, Traditional and Mechatronic design approach
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4. Principle
Servo motors are geared DC motors with the closed-loop circuitry
incorporated within them. The basic configuration of a servo motor
composed of a DC motor, gearbox, potentiometer and control circuit.
DC motor is used to move a gearbox with a large reduction ratio. The
final shaft imposes a force on the external load and simultaneously
acts on the axis of the feedback potentiometer. So, the potentiometer
senses the position of the axis and sends a corresponding voltage to
an operational amplifier. This voltage compared to the input voltage,
that determines the desired position of the shaft, producing a voltage
in the output of the comparator. This voltage powers the motor such
that the shaft moves in the necessary direction to align with the angle
that corresponds to the voltage applied to the input.
6. Application
1. Robotics
2. Conveyor Belts.
3. Camera Auto focus
4. Robotic Vehicles
5. Tracking System
6. Metal Cutting & Metal Forming Machines
7. Antenna Positioning
8. Woodworking/CNC
9. Textiles
10. Printing Presses/Printers
7. Advantages
1. High output power relative to motor size and power
2. Encoder determines accuracy and resolution.
3. Resonance and vibration free operation
4. High efficiency
5. There is no out-of-step condition, as heavy load placed on the motor the driver
will increase the current to the motor
6. High speed operation is possible
8. Disadvantages
1. Require tuning to stabilize feedback loop
2. Complex, require encoder
3. Poor motor cooling
4. Motor can be damaged by sustained overload.
11. Principle
• The stepper motor rotor is a permanent magnet, when the current
flows through the stator winding, the stator winding to produce a vector
magnetic field. The magnetic field drives the rotor to rotate by an angle
so that the pair of magnetic fields of the rotor and the magnetic field
direction of the stator are consistent. When the stator's vector magnetic
field is rotated by an angle, the rotor also rotates with the magnetic
field at an angle. Each time an electrical pulse is input, the motor
rotates one degree further. The angular displacement it outputs is
proportional to the number of pulses input and the speed is
proportional to the pulse frequency. Change the order of winding
power, the motor will reverse. Therefore, it can control the rotation of
the stepping motor by controlling the number of pulses, the frequency
and the electrical sequence of each phase winding of the motor.
13. Application
1. They are used in numeric control of machine tools.
2. Used in tape drives, floppy disc drives, printers and electric watches.
3. The stepper motor also use in X-Y plotter and robotics.
4. It has wide application in textile industries and integrated circuit
fabrications.
5. The other applications of the Stepper Motor are in spacecrafts launched
for scientific explorations of the planets etc.
6. These motors also find a variety of commercial, medical and military
applications and also used in the production of science fiction movies.
7. Stepper motors of microwatts are used in the wrist watches.
8. In the machine tool, the stepper motors with ratings of several tens of
14. Advantages
1. Low cost
2. High reliability
3. High torque at low speeds
4. Simple, rugged construction that operates in almost any
environment
19. Principle
• Stator windings of a BLDC motor are connected to a control
circuit (an integrated switching circuit). The control circuit
energizes proper winding at proper time, in a pattern which
rotates around the stator. The rotor magnet tries to align with
the energized electromagnet of the stator, and as soon as it
aligns, the next electromagnet is energized. Thus the rotor
keeps running
20. Application
1. Linear motors
2. Servomotors
3. Actuators for industrial robots
4. Extruder drive motors
5. Feed drives for CNC machine tools
21. Specifications
1. Rated Capacity
2. Input Voltage
3. Rated Current (Max.)
4. Starting current
5. Overcurrent Limit
6. Speed Range
7. Overvoltage Limit
8. Motor feedback
9. Commutation
10. Mode of operation
11. Features
12. Operating temp./Humidity
13. Vibration
22. Advantages
1. Higher torque to weight ratio
2. Increased torque per watt of power input (increased efficiency)
3. Increased reliability and lower maintenance requirements
4. Reduced operational and mechanical noise
5. Longer lifespan (no brush and commutator erosion)
6. Elimination of ionizing sparks from the commutator (ESD)
7. Near-elimination of electromagnetic interference (EMI)