Machine Design

Direct-Drive Rotary Stage Yields Pinpoint Accuracy

Edited by Stephen J. Mraz

The DT 170-TLM rotary positioning stage from Steinmeyer Inc., Burlington, Mass. (, uses a direct-drive motor for positioning accuracies of 0.0005°, repeatability of ±0.001°, and speeds to 10 rev/sec. The device is made from high-strength anodized aluminum and can handle loads up to 15 kg. The unit measures 200 × 170 × 115 mm with a 170-mm diameter. A built-in temperature controller ensures the device will not overheat.

Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.