Baby steps

April 1, 2005
Most hybrid motors step fast like variable reluctance varieties, while boosting torque with permanent magnets. But these stepmotors go one step further

Most hybrid motors step fast like variable reluctance varieties, while boosting torque with permanent magnets. But these stepmotors go one step further using precision stators to maximize torque density by minimizing the airgap. The stators are bored out with a honing mandrel, resulting in an extra-tight fit between rotor and stator. A motor with a 1.30-in. stack can now produce 2.5 oz-in. of torque combined with the accuracy of two-phase 1.8° stepping.

VITAL STATS

On display: 208-Series stepmotor

Key features: Precision bored stators, extremely tight airgap

What it means to you: The smallest NEMA-8 two-phase hybrid stepper available, generating 2.5 oz-in. of holding torque from a 1.30-in. stack with a 0.79-in. square cross-section

What else: A larger version (1.69 in.) weighing only 0.13-lb produces 4.2 oz-in. of torque; rear-shaft extension standard on all models.

Innovator: Lin Engineering Inc.

For more info: Call (408) 919-0200 or visit www.linengineering.com.

About the Author

Elisabeth Eitel

Elisabeth Eitel was a Senior Editor at Machine Design magazine until 2014. She has a B.S. in Mechanical Engineering from Fenn College at Cleveland State University.

Sponsored Recommendations

The entire spectrum of drive technology

June 5, 2024
Read exciting stories about all aspects of maxon drive technology in our magazine.

MONITORING RELAYS — TYPES AND APPLICATIONS

May 15, 2024
Production equipment is expensive and needs to be protected against input abnormalities such as voltage, current, frequency, and phase to stay online and in operation for the ...

Solenoid Valve Mechanics: Understanding Force Balance Equations

May 13, 2024
When evaluating a solenoid valve for a particular application, it is important to ensure that the valve can both remain in state and transition between its de-energized and fully...

Solenoid Valve Basics: What They Are, What They Do, and How They Work

May 13, 2024
A solenoid valve is an electromechanical device used to control the flow of a liquid or gas. It is comprised of two features: a solenoid and a valve. The solenoid is an electric...

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!