Bone Trephine with flexible Spiral

Customer requirements:
- welding of the connections and drill heads according to the specifications
- traceable storage of the batches
- traceable report of the individual work steps
- Certificate of conformance with traceability of the individual batches
- Postage and packing

Material / material group:

Drill heads made of Vitallium (cobalt-base alloy) or Custom 455

Spiral made of 1.4310

Connections made of 1.4571

Work steps:
1. washing the spirals
2. first spiral, laser welding on both spiral ends
3. axial laser welding of both spiral ends
4. grinding and buring of both spiral ends
5. laser tacking of the drill heads and connections
6. electron beam welding of the drill heads and connections
7. boring of the drill heads and connections
8. visual inspection of the weld seams and checking the drill heads for damages