A direct current motor that moves in precise steps is referred to as a stepper motor. These motors have phases, which are essentially multiple coils arranged in groups. The motor rotates one precise step at a time as power is supplied to each phase in a specific sequence.
Many applications require precise positioning and variable speed, which can be achieved via a controller. It’s due to this high degree of control that stepper motors offer, that they have become so essential for countless motion control applications.
Stepper Motors are available in many different forms and arrangements, and each has its own distinct advantages:
1. Speed:
Stepper Motors deliver superior control over rotations and acceleration due to their ability to steadily and precisely increase speed. This attribute makes them a preferred choice for automated devices such as robots.
2. Position:
Precise positioning is a feature of stepper Motors made possible because they move in exacting incremental steps. This is why stepper motors can be found in applications such as 3D printers, camera platforms, and pivoted support devices that require very high levels of control.
3. Torque:
A conventional DC motor can’t provide much torque power at slower speeds. By contrast, a stepper motor offers immense torque capabilities, even at low rotational speeds. They can also hold torque while not moving. This makes them an optimal choice for applications that run at slow speeds but that require high precision.
Today, you can find stepper motors in many different forms, and each of which requires a specialized driver. When choosing a motor, one of the primary factors to consider is the role it will be playing. Large motors, for example, will deliver more power. Stepper Motors are available today in forms as small as two centimeters, right up to NEMA 57 size.
NEMA 17 is a size that is commonly chosen for use in CNC Mills and 3D printers, whilst robotic and animatronic devices generally utilize smaller motors. On the other hand, industrial applications such as CNC machines require larger motors.
The faceplate dimensions of a motor mount are defined by its NEMA value. This number only refers to the mounting itself, not the power or size of the actual motor in question. As an example - two different motors can have completely unique mechanical and electrical specifications, but may share the same size mounting.
From an operational standpoint, driving a stepper motor is a little more complex than driving a conventional direct current motor. Stepper motors require a controller that powers phases in a systematic and precisely timed sequence in order to get a motor running.
For high-quality stepper motors choose ISL Products. ISL Products are renowned for delivering value-added stepper motor solutions for countless applications across the globe. ISL Products are fully customer-focused, offering bespoke stepper solutions that deliver precise positioning and superior torque output at a cost-effective price.
For optimum performance and fully customizable electromechanical solutions - reach out to ISL Products today.
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