Theta-Theta Goniometer
AssemblyTwo coaxial arms swing the tube and detector through equal-and-opposite angles about the stationary sample; geared servo drives and optical encoders set the angle to a thousandth of a degree on precision bearings. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Theta-Theta Goniometer
6 top-level lines as of r191897| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Theta Arm | xrd-theta-arm | 2× | 2 | · | part |
| 2 | Goniometer Motor 4 parts | xrd-goniometer-motor | 2× | 2 | 0 | assembly |
| 3 | Helical Gear Pair | gear-pair | 2× | 2 | · | part |
| 4 | Optical Angle Encoder | xrd-angle-encoder | 2× | 2 | · | part |
| 5 | Ball Bearing | ball-bearing | 4× | 4 | · | part |
| 6 | Goniometer Base | xrd-goniometer-base | 1× | 1 | · | part |