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Home > Products > Motorized Positioning > Motorized Rotation Stages > BG Series Goniometric Cradles

BG Series Goniometric Cradles
BG Series Goniometric Cradles

  • ±45° transverse axis rotation with maximum free access to the rotating platform (±30° for BGS50)
  • Nested cradles provide orthogonal rotation about the same point
  • Precision machined ball bearing races assure smooth motion and high stability
  • Precision ground worm gear provides 0.001° resolution
  • Vacuum compatible versions up to 10-6 hPa

Product Description Product Detail Specifications Drawings 3-D Model
Product Description
BG Series goniometric cradles rotate on a transverse axis above the platform. Compared to full 360° rotation stages, they offer maximum free access to the rotating part and allow construction of very compact multi-axis rotation assemblies. BG cradles are designed so that orthogonal mounting of two adjacent-size cradles (e.g., BGS50 and BGS80) provides two perpendicular axes of rotation at about the same point in space. Mounting a rotation stage under the assembly adds a third orthogonal rotation axis through the same point.


Ordering Information
 Quantity Model Description Price
  BGM120CC BGM120 Goniometer, ±45 ° Travel Range, 0.001° Resolution, DC motor drive, Metric 
  BGM120PE BGM120 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive 
  BGM120PEV6 BGM120 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Vacuum version 
  BGM120PP BGM120 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Micro-step drive 
  BGM160CC BGM160 Goniometer, ±45 ° Travel Range, 0.001° Resolution, DC motor drive 
  BGM160PE BGM160 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive 
  BGM160PEV6 BGM160 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Vacuum version 
  BGM160PP BGM160 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Micro-step drive 
  BGM200CC BGM200 Goniometer, ±45 ° Travel Range, 0.001° Resolution, DC motor drive 
  BGM200PE BGM200 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive 
  BGM200PEV6 BGM200 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Vacuum version 
  BGM200PP BGM200 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Micro-step drive 
  BGS50CC BGS50 Goniometer, ±30 ° Travel Range, 0.001° Resolution, DC motor drive 
  BGS50PP BGS50 Goniometer, ±30 ° Travel Range, 0.001° Resolution, Micro-step drive 
  BGS80CC BGS80 Goniometer, ±30 ° Travel Range, 0.001° Resolution, DC motor drive 
  BGS80PP BGS80 Goniometer, ±30 ° Travel Range, 0.001° Resolution, Micro-step drive 
  BGS50-BP Base plate for BGS50 
  M-PBN8 Base plate for BGS80 (see Base Plates) 
  UTS-TP BGS80 top plate with English holes (see Mid-Travel Steel Linear Stages) 


Ordering Information, Metric
 Quantity Model Description Price
  M-BGM120CC BGM120 Goniometer, ±45 ° Travel Range, 0.001° Resolution, DC motor drive, Metric 
  M-BGM120PE BGM120 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Metric 
  M-BGM120PEV6 BGM120 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Vacuum version, Metric 
  M-BGM120PP BGM120 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Micro-step drive, Metric 
  M-BGM160CC BGM160 Goniometer, ±45 ° Travel Range, 0.001° Resolution, DC motor drive, Metric 
  M-BGM160PE BGM160 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Metric 
  M-BGM160PEV6 BGM160 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Vacuum version, Metric 
  M-BGM160PP BGM160 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Micro-step drive, Metric 
  M-BGM200CC BGM200 Goniometer, ±45 ° Travel Range, 0.001° Resolution, DC motor drive, Metric 
  M-BGM200PE BGM200 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Metric 
  M-BGM200PEV6 BGM200 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Full-step drive, Vacuum version, Metric 
  M-BGM200PP BGM200 Goniometer, ±45 ° Travel Range, 0.001° Resolution, Micro-step drive, Metric 


Recommended Motion Controllers:
 Model 
 XPS see Universal High-Performance Motion Controller/Driver 
 ESP300 see 3 Axis Motion Controller/Driver 
 SMC100CC see Single-Axis Motor Controller/Driver BGS50CC and BGS80CC only
 SMC100PP see Single-Axis Motor Controller/Driver BGS50PP and BGS80PP only

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