PI Introduces A-351 MGS Mechanical Gantry Systems with 1 nm Resolution Absolute Encoder

Press Release Summary:

  • Designed for load capacity of 20 kg and provides a XY travel range of 300 x 300 to 500 x 1000 mm
  • Driven by linear motors with each axis equipped with preloaded linear bearings
  • Deliver 2m/sec max velocity and suitable for 3D printers, assembly, pick-and-place, alignment, inspection, and other industrial automation applications

Original Press Release:

Mechanical Gantry System Provides High Speed, Precision

PI’s new A-351 gantry positioning stage provides high performance for precision automation applications.

March 2019, Auburn, MA – PI adds to its family of precision automation sub-systems with the A-351 MGS, a compact mechanical gantry system engineered to deliver maximum throughput for applications that require controlled precise overhead motion. The gantry is driven by linear motors and each axis is equipped with preloaded linear bearings. Applications include high-precision 3D printers, assembly, pick-and-place, alignment, inspection, and other industrial automation applications.

The A-351 MGS gantry system is designed for high load capacity of 20kg, twice the amount of its A-341 air-bearing-based sibling. Absolute-measuring linear encoders with nanometer resolution are optional, rendering homing procedures unnecessary and ironless linear motors eliminate cogging, providing smoother motion without vibration and better velocity control.

Vertical Axis

An optional vertical axis (Z-stage) with either ballscrew drive or linear motor and pneumatic counterbalance can be integrated with the gantry cross axis.

Features of the ball bearings stages include:

  • 300x300 to 500x1000mm XY travel
  • Absolute encoders, 1nm resolution
  • Z-Stage options: linear motors or ball screws
  • Dynamic error mapping
  • 2m/sec max velocity (cross axis)
  • Cable carrier option, e-chain
  • Water cooling option for high acceleration / high duty cycle applications

Industry-Leading Motion Controllers

The MGS Gantry can be run with industry-leading ACS motion controllers and drives that offer superior servo performance, advanced control algorithms to improve dynamic performance and error compensation specifically for gantries, and a wide suite of software development tools.

More Information on Gantry Systems, A-351 MGS https://www.pi-usa.us/en/products/gantries-cartesian-robots/#c79250

Watch Video https://www.youtube.com/embed/kTEN4xAuMlg?rel=0

Standard and Custom

PI has in-house engineered solutions with over 4 decades of experience working with customers to provide products that meet application demands, and can quickly modify existing product designs or provide a fully customized OEM part to fit the exact requirements of the application. 

USA / Canada

https://www.pi-usa.us/en | info@pi-usa.us


(508) 832-3456


(508) 832-3456


(949) 679-9191 (LA Area & Mexico)

(408) 533-0973 (Silicon Valley/Bay Area)

About PI

PI is a leading manufacturer of air bearing stages, piezoelectric solutions, precision motion control equipment, and hexapod parallel-kinematics for semiconductor applications, photonics, bio-nano-technology and medical engineering. PI has been developing and manufacturing standard & custom precision products with piezoceramic and electromagnetic drives for 4 decades. The company has been ISO 9001 certified since 1994 and provides innovative, high-quality solutions for OEM and research. The PI group employs more than 1,300 people worldwide in 15 subsidiaries and R&D / engineering centers on 3 continents.

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