CNC technology center for precision metal components made of tungsten, titanium and aluminium for automotive, medical technology and aerospace
Hofmann GmbH
91322 Gräfenberg (Haidhof/Gewerbegebiet 1) · GermanyNew on Amplifa
Hofmann CNC – Technology partner for the highest precision
Hofmann GmbH manufactures highly precise CNC parts and components in Gräfenberg for customers from the automotive, electrical, medical technology and aerospace industries. The range of services includes 5-axis milling, CNC turning, high-speed cutting, CNC grinding, wire EDM and additive manufacturing, complemented by CAD/CAM engineering, in-house jig and fixture construction, module assembly (electrics, hydraulics, pneumatics, sensor technology), precision and dynamic balancing as well as logistics concepts. The main materials machined are aluminium, titanium and tungsten, with the company holding particular expertise in machining difficult-to-machine materials such as tungsten for radiation shielding components in medical technology. With more than 40 machining centers, workpiece storage for up to 114 pallets and a production area of over 3000 m², the company manufactures in small and medium-sized batches. Since 2025, 1500 solar panels have been generating 470 kWp of solar power; the goal is CO2-neutral production.
- Site
- Gräfenberg
- Processes
- 5-axis milling, 5-axis machining (automated production), CNC turning, CNC turn-mill centers (complete machining), High-speed cutting (HSC machining, including thin-walled workpieces), CNC grinding, Wire EDM, Tungsten machining (turning, milling, cutting)
- Materials
- Tungsten, Titanium, Aluminium, Gold (hybrid components tungsten + gold), Lead (mentioned as a comparison material for shielding), Tungsten-gold hybrid components
- Certificates
- ISO 9001:2015, DIN EN ISO 13485:2021, EN 9100:2018 (with ISO 9001:2015), EN 9100:2018
- Founded
- 1989
- Industries
- Automotive, Medical technology, Aerospace, Electrical engineering/E-mobility, Safety engineering
Materials and manufacturing processes
Tungsten
Heavy metal with high density and hardness for maximum radiation shielding in computed tomography scanners and X-ray equipment.
Tungsten-gold hybrid components
Hybrid components for excellent radiation shielding in medical technology.
Titanium
Machining by turning, milling and cutting, among others for implants and automotive components.
Aluminium
5-axis machining of aluminium, among others for aerospace components.
CNC technology center Gräfenberg
Gräfenberg
DEProduction, administration, logistics (Haidhof/Gewerbegebiet 1)
- Lot size
- Small and medium-sized batches
- Materials
- Aluminium, titanium, tungsten, tungsten-gold hybrid
- More than 40 5-axis machining centers
- Workpiece storage for up to 114 pallets
- Tool magazines with 320 pockets
- CNC turning centers
- CNC grinding stations
- Highly automated storage-lift system
- Wire EDM systems
- Additive manufacturing systems
Parts and components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| 5-axis millingMachining | – | – | – | – | Aluminium |
| 5-axis machining (automated production)Machining | – | – | – | – | – |
| CNC turningMachining | – | – | – | – | – |
| CNC turn-mill centers (complete machining)Machining | – | – | – | – | – |
| High-speed cutting (HSC machining, including thin-walled workpieces)Machining | – | – | – | – | – |
| CNC grindingMachining | – | – | – | – | – |
| Wire EDMMachining | – | – | – | – | – |
| Tungsten machining (turning, milling, cutting)Machining | – | – | – | – | Tungsten |
| Titanium machiningMachining | – | – | – | – | Titanium |
| Additive manufacturing / 3D printingAdditive | – | – | – | – | – |
| Module assembly (electrics, hydraulics, standard parts, pneumatics, sensor technology)Assembly | – | – | – | – | – |
| Precision balancing / dynamic balancing (laser measurement, balancing in a third plane)Testing | – | – | – | – | – |
| Non-destructive material analysis / material testingTesting | – | – | – | – | – |
| Process and measurement technology (quality assurance)Testing | – | – | – | – | – |
| CAD/CAM technology – development of CNC partsEngineering | – | – | – | – | – |
| Small and medium batch productionMachining | – | – | – | – | – |
5 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| 5-axis machining center | – | 40+ | – | 1992 (erst | Gräfenberg |
| Machining centers with workpiece storage | – | – | Workpiece storage for up to 114 pallets, tool magazines with 320 pockets | – | Gräfenberg |
| CNC turning centers | – | – | – | – | Gräfenberg |
| CNC grinding stations | – | – | – | – | Gräfenberg |
| Storage-lift system (highly automated) | – | 1 | – | 2018 | Gräfenberg |
Additional services
Reference customers
Quality management and certifications
Hofmann CNC is certified to ISO 9001:2015, DIN EN ISO 13485:2021 and EN 9100:2018. Quality assurance includes process and measurement technology, non-destructive material testing, and its own QA system for aerospace.
| Evidence | Gräfenberg |
|---|---|
| ISO 9001:2015 | |
| DIN EN ISO 13485:2021 | |
| EN 9100:2018 |
Company history since 1989
- 1989
Founded by Roland Hofmann in Gräfenberg; production of metal parts in a barn on a farm
- 1992
Investment in a modern 5-axis machining center; certified supplier to the automotive industry
- 1999
Certification to DIN ISO 9001 and 9002
- 2005
Launch of the company's own training and further education program
- 2007
New building: expansion of production area by 1700 m² plus warehouse, administration and logistics
- 2010
DIN ISO 13485 certification; entry into medical technology products made of titanium and tungsten
- 2012
Grand Prize of German SMEs, jury level in gold (Oscar-Patzelt-Foundation)
- 2014
Training promotion award
- 2016
Establishment of a CNC technology center with fully automated machining centers; climate award; research project on difficult-to-machine materials with the Fraunhofer Institute and the University of Bayreuth
- 2017
Entry into aerospace; research with the University of Bayreuth on additive manufacturing and Industry 4.0
- 2018
Extension building with storage-lift system, production area over 3000 m²; more than 40 machining centers; Environmental Pact Bavaria certificate
- 2025
Commissioning of 1500 solar panels with 470 kWp; goal of CO2-neutral production