Product News: Controls & Controllers, Mechanical Power Transmission

Stepper Motor offers diverse configuration options.

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Press Release Summary:

May 29, 2012 - Integrated system comprises Size 17 captive stepper motor linear actuator and DCM4826X microstepping drive module. Drive can be configured for full-, half-, or micro-step, and linear actuator/drive unit is offered in single and double stack motor configurations with various lead screw resolutions. Respectively, max output force is 50 and 76 lbf for single- and double-stack versions. Linear travel per step is 1.5-127 microns, depending on lead screw pitch and stepper motor step angle.

Haydon Kerk Motion Solutions

1500 Meriden Rd., Waterbury, CT, 06705, USA

Original Press Release

Haydon Kerk Introduces New Stepper Motor

Press release date: May 24, 2012

Linear Actuator and Drive Package

WATERBURY, CT - Haydon Kerk Motion Solutions, a global manufacturer of linear motion products, announces the release of the integrated Size 17 "captive" stepper motor linear actuator and DCM4826X microstepping drive module.

The drive can be configured for full step, half step, or microstep (1/4, 1/8, 1/16, 1/32, 1/64 step size). The integrated linear actuator / drive unit is available in both single stack and double stack motor configurations with a wide range of lead screw resolutions.

The system is capable of maximum output force of 220N (50 lbf) in the single stack version and 337N (76 lbf) in the double stack version; linear travel per step of 1.5-127 microns (0.00006-in to 0.005-in) depending on the lead screw pitch and stepper motor step angle.

The drive module is a bipolar 2 phase chopper drive package rated for a 12-48VDC input voltage and a continuous current rating of 2.6A rms (3.68A peak) per phase. The linear actuator and drive system can be ordered with one of 3 standard motor coil voltages: 2.33V, 5V, and 12V.

When supplying power to the drive, optimum performance is achieved using around an 8:1 "drive voltage to motor voltage" ratio. If the power supply voltage to the drive is 40VDC, for example, the motor coils should be configured for 5VDC. Chopper drives are designed to maintain output torque (or force in the case of a linear actuator) over a relatively wide speed range by regulating the current into the motor coils. A key aspect in achieving this performance is observing the 8:1 drive/motor voltage ratio.

The drive unit can be configured through the Haydon Kerk PDE User Interface via an RS-485 protocol or a computer USB port (USB to RS-485 converter required - Haydon part# UTR4852). The desired values for Run Current, Hold Current, Delay Time, and Step Size can be set through the interface. Once the parameters are programmed, the drive can then accept the pulse, direction, and enable signals from the controller/indexer. The pulse, direction, and enable signals are optically coupled into the drive, providing electrical isolation between the signal and power circuits.

For more information on the new stepper motor linear actuator and drive package as well as a wide variety of other linear motion products from Haydon Kerk Motion Solutions, visit www.HaydonKerk.com.

About Haydon Kerk Motion Solutions, Inc. Haydon Kerk Motion Solutions is a unit of AMETEK, Inc., a leading global manufacturer of electronic instruments and electromechanical devices with annual sales of $3.0 billion. For more product information and CAD links, visit www.HaydonKerk.com or to contact an engineer to discuss a specific application, telephone Haydon Kerk at 203-756-7441.

Haydon Kerk Motion Solutions is the joining of two world-class brands in the field of linear motion: Haydon Switch and Instrument, Inc. and Kerk Motion Products, Inc. Together as Haydon Kerk Motion Solutions, they offer a wide range of high-performance and precision linear motion products.

Recognized as a leading manufacturer of stepper motor based linear actuators, rotary motors, lead screw assemblies, and linear rail and guide systems used in niche market applications, Haydon Kerk Motion Solutions has developed industry-renowned brands built upon its technical innovation, versatility, customization, product durability, and dedicated customer service.

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