2-axis RTTA

2-axis RTTA

Products \ Sample transfer arms \ 2-axis Rotary Telescopic Transfer Arm

The 2-axis RTTA provides 360° rotation and 760mm linear extension within an ultra-compact footprint.  Typically <1.5mm deflection at full arm extension with 10N load, linear reproducibility of <0.2mm and rotational reproducibility of <0.2mm.
 

The 2-axis RTTA provides a cost-effective solution for radial distribution sample transfer applications providing arm rotation and arm extension.

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Key features

  • 760mm extension 
  • Typically <1mm deflection at full extension under 10N load
  • Rotational reproducibility <0.2mm
  • Linear reproducibility <0.2mm
  • Clean, UHV performance
  • Competitively priced compared to conventional designs

A high torque magnetically-coupled MagiDrive precisely rotates the transfer arm to align with the desired chamber port. 

A second MagiDrive is used to drive the innovative telescopic mechanism to provide an arm extension of 760mm to transport the sample in and out of the desired satellite chamber.

The 2-axis RTTA can be motorised using stepper or SMART motors. Alternatively the RTTA can be configured to accept any standard NEMA23 motor.

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Specifications

MODEL RTTA 2-Axis 
Mounting Flange CF100 152mm (6") OD CF
Min radial port flange size for arm CF100 152mm (6") OD CF
Min radial port size and clear bore required for assembly installation and 150mm bore CF150 203mm (8") OD CF 
Rotation motion Unlimited manual and +/-180° motorised
Minimum chamber ID 630mm
Minimum chamber free height 102mm
Arm extension 760mm 
Arm extension from port of 630mm ID chamber 688mm*
Arm stiffness at full extension Typically <1mm deflection for 10N load
Rotational reproducibility 0.2mm at full extension
Bakeout temperature 250°C (with motors removed)