Eulerian Cradle 512.51

The Eulerian cradle is a full-circle cradle with an assymetrical design. The Phi- and Chi-circle planes are at right angles to one another.

The motor and signal currents are transmitted via slip rings. This enables an unrestricted rotation around both axes.

A motorised XYZ-stage with an operational range of 150 x 150 x 25 mm is integrated in the Phi-circle.

For sample adjustment an optical microscope or an optional CCD-camera is integrated (see Accessories MiniVID).

All movements are equipped with zero-point controls, limit switches and step motors.

General Information:

The Eulerian cradles of the series 500 can be combined with the goniometers of the series 400 to create multi-circle diffractometers. These can be used for analytical investigations in the fields of X-ray and neutron diffraction.

Specifications rotation:

Sphere of confusion [mm]: 0.05***
Parallelity (Chi-plane to Phi-axis) ["]: <= +/- 20***
Weight [kg]: 69
  Phi-circle Chi-circle
Travel range [°]: 360 160
Gear ratio: 360:1 / 180:1** 360:1
Accuracy["]: 30 30
Repeatability (unidir.) ["]: <= 2 <= 3
Reversal error ["]: <= 10 <= 15
Resolution [°]: 0.001* / 0.002* ** 0.001*
Min. drive torque [Nm]: 0.1 / 0.13** 1.5
Flange size [mm]: 56 83

* step motor, 1000 steps/revolution

** using Goniometer 410A

*** with a load of 5kg

Specifications translation:

  X Y Z
Travel range [mm]: 150 150 25
Resolution [µm]: 0.005 0.005 0.0025
Repeatability (unidir.)[µm]: +/- 5 +/- 5 +/- 2
Reversal error [µm]: 5 5 3

Dimensions [mm]:

D: Z:
400 63.5

Accessories:

Motors: included
Limit switches: included
Zero-point control: included
Gear boxes: 2056.05 (Phi)
  2056.10 (Phi)
  2056.20 (Phi)
  2083.05 (Chi)
  2083.10 (Chi)
  2083.20 (Chi)
Encoder: incremental
  absolute
Control system: 9300
CCD-camera: MiniVID
Goniometer heads: Series 1000

Eulerian Cradle 512.51

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