magnet mounting equipment Dresden EBIS-A
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For creating strong magnetic fields in the EBIS-A permanent magnets are used. These magnets are made from a material named NdFeB. The manufacturer gives guarantee for proper use up to temperatures of about 100°C. In case of service the ion source has to be heatet and temperatures will increase up to values higher than the given limitation. In consequence, the magnets will be damaged. Thus, in case of maintenance the ion source, the magnets have to be removed out of the heated area. Installing the device on the baseplate According to the boreholes in the baseplate, the device is fixed by 9 M8 hexagon socket head cap screws. The rear plate has a gap to avoid collision with the aluminium baseplate of the source. After doing this, it’s necessary to synchronize the carriages to the middle of the source. A coarse tuning can be made by loosen and turning the acme-threaded nut. There has to be the same distance between the carriages and the middle of the source. The fine tuning can be made later by the setscrew at the back of the chevrons.  Mounting the half magnets on the chevrons Mount the both halfs of the magnets at the chevrons by using respectively 4 M8 hexagon socket head cap screws. In the figure the finished assembly is shown.  Mounting the chevron on the carriage Now the chevrons with the half magnets will be fixed on the carriage. Warning: the high magnetic fields can cause strong forces. If there are any ferromagnetic parts in the near of the field, they can be pulled and couse serious injuries. Then the chevrons have to be threaded with the installed magnet into the dovetail guide until the setscrew stops the move. After fine-adjusting the distance to the beamline axis, the assembly will be fixed by 4 star grip screws and grommets.  Final positioning of the half magnets the crank-handle has to be turned to move the half magnets synchronous to the source. While operating the source the complete equpment is attached to the source. 
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