Motion Control – Dual Axis Linear Motion Stepper Motors!

H2W Technologies Dual Axis Air Bearing Stepper Stage

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Santa Clarita, CA — Automation – Linear Motion — H2W Technologies’ dual axis linear motion stepper motors are ideal for open loop positioning applications requiring 2 axis of motion in a single plane. They can perform at speeds of up to 80 in/sec [2 m/sec] and strokes of up to 20 in x 30 in [0.5 m x 0.75 m]. Linear stepper motors are capable of very precise position, velocity, and acceleration control when coupled with a micro-stepping drive and indexer.

The moving assembly called the “forcer” is supported by magnetically preloaded air bearings that are imbedded in the active surface of the forcer. The bearings are designed to support the customer’s payload and to maintain the required 0.0005 in to 0.0010 in [12 to 25 micron] gap between the platen and the forcer.

The step and direction signal for each linear motion axis comes from two separate micro-stepping drives (2 or 4 phase). A 2 axis indexer is required to send step and direction signals to the drivers. For 2 phase motors, the full step is 0.010 in [250 microns] and for 4 phase motors the full step is 0.005 in [125 microns]. With micro-stepping, resolutions in the order of 0.5 to 1 micron are achievable.

The dual axis linear stepper motor is a complete 2 axis, single plane air bearing positioning system with the motor, the bearings, and the positioning system all built into one compact package. Integrating linear encoders with the stepper motor allows for a hybrid, closed loop positioning system.

Advantages:

  • Low profile and small cross section
  • High Speed
  • No servo tuning required
  • Multiple forcers on a single platen

Applications:

  • Pick and Place
  • Wire bonders
  • Parts transfer
  • Fiber optic

H2W Technologies, Inc. is dedicated to the design and manufacture of linear and rotary motion products that are used in the motion control industry. The complete line of linear electric motors includes: Single and dual axis linear steppers, DC brush and brushless linear motors, voice coil actuators, and AC induction motors. Also offered is a complete line of ball screw, lead screw and belt driven positioning stages.

Other motion control products include: Limited angle torque motors for compact, limited angular excursion rotary servo applications, 3 phase brushless rotary servo motors with matching digital servo amplifiers and permanent magnet linear brakes for fail-safe, zero power braking for baggage handling and people moving applications as well as amusement park rides.

With over 75 years combined experience in the linear and rotary motion field, the H2W Technologies team of engineers offers the optimal solution to the most demanding motion control, requirements.

For additional information contact Mark Wilson at H2W Technologies, 26380 Ferry Ct, Santa Clarita, CA 91350; Tel: 888-702-0540, Fax: 661-251-2067, E-Mail:info@h2wtech.com or visit the website at http://www.h2wtech.com

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