Product News: Mechanical Power Transmission

Sealed Linear Stages suit harsh operating environments.

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Press Release Summary:

February 21, 2014 - Offering standard travel lengths from 100–1,000 mm, SLS Stages feature lip seal design that keeps debris, particulate, and liquid contaminants from gumming up internal drive and bearing components. Polyurethane elastomer seal, integrating seamlessly with anodized aluminum housing, resists chemicals, extreme temperatures, and wear. Linear motor stage configurations achieve accuracies of ±4 µm per meter of travel, while ballscrew models achieve accuracies of ±10 µm per meter of travel.

Bell-Everman, Inc

82 Aero Camino, Goleta, CA, 93117, USA

Original Press Release

Bell-Everman Introduces Sealed Linear Stages For Harsh Operating Environments

Press release date: February 20, 2014

Goleta, CA — A new line of ballscrew- and linear-motor-driven sealed motion stages has been developed by Bell-Everman, Inc.  SLS Sealed Linear Stages feature a novel lip seal design that keeps debris, particulate and liquid contaminants from gumming up the internal drive and bearing components.

Made from a ruggedized polyurethane elastomer, the seal integrates seamlessly with the stage's anodized aluminum housing.  Polyurethane is resistant to chemical exposures, temperature extremes and mechanical wear.  The seal's design allows it to be field replaceable in minutes without disassembling the stage—or even removing the payload in most cases.

Available with both linear motor and ballscrew drives, SLS is intended for precision positioning jobs:
• Linear motor configurations can achieve accuracies of ± 4 µm per meter of travel and bi-directional repeatability of ± 2 µm.
• Ballscrew configurations can achieve accuracies of ± 10 µm per meter of travel and bi-directional repeatability of ± 5 µm.

Other technical specifications include:
• Standard travel lengths from 100 to 1,000 mm and custom lengths to 2,000 mm.
• Speeds to 4 m/sec for linear motor drives and 0.4 m/sec for ballscrew drives.
• Continuous linear force to 300 N for linear motor drives and 1,540 N for ballscrew drives.

Applications for the SLS Sealed Stages include laser machining, welding, semiconductor, machining and many other contamination-sensitive precision motion jobs.

For more information on SLS Sealed Linear Stages and complete technical specifications, visit www.bell-everman.com/sls.

About Bell-Everman
Bell-Everman Inc. was founded in 1991 with the goal of creating motion devices that offer best-of-class precision, quality and value. Since then, our motion control technologies have been incorporated into a wide variety of automation and metrology systems—including those found in the aerospace, biomedical, semiconductor, electronics assembly, laser and water jet cutting, CNC machining and packaging industries. Today our product line comprises precision linear bearings, linear motion positioning devices, rotary stages and complete multi-axis robotic systems. All of the products are designed and built in our own facility in Southern California.

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