METALJET D2+ INTRODUCTION
Revision 19, November 2016 Page 1-3
The electron gun/x-ray head consists of the following parts, see Figure 1-1 below:
1. High-pressure tubing
2. Particle filter
3. Nozzle assembly
4. Lens cooling block
5. High-vacuum gauge
6. High-vacuum pump (turbopump)
7. Ventilation valve
8. Fore-vacuum hose
9. High-voltage cable connected to high-voltage feedthrough
10. Interconnecting cables
11. X-ray head PCB (cross connect board)
12. Electron optics
13. Exit window (not visible, it is underneath the shutter)
14. Flex-hose assembly
15. Jet brake
16. Upper cooling block
17. Shutter
Figure 1-1. The main components of the electron gun/x-ray head.
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