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Product Name: LSE - Enclosed Positioning Stage
Product Category: Linear Products  
   

The enclosed positioning stage is designed for closed position loop servo applications with one or more axes.

The enclosed stage features a moving coil 3 phase brushless motor with integral recirculating linear bearing and encoder. It features heavy duty construction with lightweight moving parts for higher acceleration.
Abbe error is minimized by centering the linear motor and encoder between two parallel rails. Multiple bearings support the payload, moving coil and encoder head. An enclosed or open linear scale is available to meet customer requirements. Standard 5 micron resolution is provided.

The brushless linear motor provides high reliability, non-contact operation with backlash or component wear. Dynamic performance with low settling times is provided by the stiffness of the linear brushless motor.

Enclosed stages can be stacked on top of each other to provide a multiple axis positioning system. Typically, the wider unit is used as the base axis for stability and stages with smaller cross sections stacked on top.

 
Features:
  • High forces to 3,204 N [720 Lbs.] with Linear Brushless Iron Core motors
  • High acceleration to 44 m/s2 [4.5 g¡¯s]
  • High speeds to 5 m/s [200 in/sec] with encoder resolution > 1 micron
  • Heavy payloads to 227 kg [500 Lbs.]
  • Strokes to 2.44 m [96 in].
  • Available in three different widths: 203 mm [8 in] wide and for maximum stability the 305 mm [12 in] and 355 mm [14 in] wide model, which can be used as the base axis in multiple axis applications
  • Single-axis stage with linear motor, linear bearings, linear encoder, limit switches, cable carrier, and bellows
  • Available with brushless iron core linear motors, cog-free brushless linear motors, brush linear motors, and AC induction linear motors
  • Brushless motor for high reliability and low maintenance
  • Linear encoder feedback
  • High stiffness linear recirculating bearings
  • Highest load capacity of all the positioning stages with multiple bearings
  • Multiple moving tables with independent operation
  • For vertical applications, an optional constant force spring counteracts gravity
  • Failsafe braking with optional spring loaded pneumatic cylinder for vertical applications
  • Spring loaded hard stops
  • Base and table made of aluminum as standard - steel optional
  • Use with Trapezoidal or sinusoidal 3 phase brushless control and single-axis motion controller to close the position loop.

 

 
 
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