Linear - rotating inner

DAPP series

High-performance magnetically coupled devices designed for sample transfer with outer shaft linear motion and independent rotary motion of inner shaft. Ideal for systems where a secondary motion is required to actuate an end-effector mechanism. Range includes end-effectors to transfer industry-standard flag and puck sample holders.

For demanding UHV applications,  we recommend choosing the 'XDAPP' option with rolling metal & ceramic bearings for smooth low friction actuation with minimal outgassing.

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Key features

  • Independent linear & rotary motion
  • Unrivalled axial coupling strength
  • 4x torque compared to conventional devices 
  • Exceptional axial stiffness 
  • Zero backlash under low load
  • Bakeable to 250°C without removing any components 
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The Dual Axis PowerProbe (DAPP) has two concentric output shafts providing independent axes of motion. The outer tubular shaft has linear only motion provided by the linear PowerProbe magnetic coupling. The inner shaft has independent rotary motion provided by the PowerProbe rotary magnetic coupling. The DAPP has a single driving thimble allowing simultaneous actuation of both the linear and rotary axes.

This PowerProbe variant is ideally suited to system designers who wish to employ a secondary motion to actuate an end-effector mechanism, such as a sample locking system, for example.

The Dual Axis PowerProbe benefits from our powerful magnetic coupling technology providing robust, reliable performance. Additionally, the internal linear guidance system, prevents rotation of the main shaft, thus removing the need for conventional external guide bars, providing an elegant and compact solution to sample transfer.

Standard End-effectors

Two standard end-effectors are offered to grip and safely transfer industry-standard surface analysis flag and puck sample holders.

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CADENAS models may differ from the latest product specification, please check with us prior to placing a purchase order.

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Specifications

DUAL AXIS POWERPROBE STANDARD
Mounting flange CF40 (2.75" OD) up to 1219mm strokes or CF63 (4.5" OD) for 1524mm stroke
Output shaft diameter linear axis 15.99/15.88mm
Output shaft diameter rotary axis 6.00mm with M4 tapped hole
Linear coupling break-away force 140 N (31.5 lbs) 
Rotary coupling break-away torque (second shaft) 4 Nm (35 in-lbs)
Sample weight/load capacity Maximum recommended internal load-carrying capacity will be a function of probe extension, but we recommend not to exceed a moment of 20 Nm (15 lbf ft)
Pressure range Atmosphere to 5x10-11 mbar
Bakeout temperature PowerProbes are bakeable to 250°C without the removal of any components (except for motors)
Position locking Thumbscrew (manual only)
Technical datasheet Download technical datasheet