Precision mechanics: CNC milling, CNC turning, laser welding and laser marking for medical technology, semiconductors and aerospace
DHF Präzisionsmechanik GmbH
83104 Ostermünchen · GermanyNew on Amplifa
About DHF Präzisionsmechanik
DHF Präzisionsmechanik GmbH is an owner-managed manufacturing service provider based in Ostermünchen in Upper Bavaria. The company manufactures highly precise milled and turned components as well as assemblies in single-part and series production. Its value chain includes CNC milling with 3 to 5 axes on 15 machining centers, CNC turning with up to 9 axes, laser welding, laser marking including black marking with a short-pulse laser, parts cleaning, in-house surface treatment such as glass bead blasting, sand blasting and vibratory finishing, as well as stress-relief annealing in a chamber furnace. Materials machined include aluminum, stainless steels, implant steels, titanium, precious metals and certified as well as biocompatible plastics. The offering is rounded out by metrology with a climate-controlled measuring room, X-ray fluorescence analysis and complete assembly of units. Customers come from medical technology, the semiconductor industry, dimensional metrology, nanotechnology, research and development as well as aerospace. The company is certified to ISO 9001 and EN ISO 13485.
- Site
- Ostermünchen
- Processes
- CNC milling, CNC turning, Laser welding, Laser marking (black marking), Glass bead blasting, Sand blasting, Vibratory finishing, Parts cleaning
- Materials
- Aluminum, Stainless steels, Implant steels, Titanium, High-performance plastics, Fiber-reinforced plastics, Certified plastics for medical technology, Biocompatible plastics
- Certificates
- ISO 9001, EN ISO 13485:2016/AC:2018, EN ISO 13485:2016/A11:2021, ISO 13485, X-ray fluorescence analysis (material testing), Climate-controlled measuring room with 3D measuring machines, IATF 16949, EN 9100, ISO 14001
- Industries
- Medical technology, Semiconductor industry, Dimensional metrology, Nanotechnology, Research and development, Aerospace
- 01
CAD/CAM project planning and programming
- 02
Material testing (X-ray fluorescence analysis)
- 03
CNC milling 3–5 axes
- 04
CNC turning up to 9 axes
- 05
Heat treatment (stress-relief annealing)
- 06
In-house surface treatment (glass bead blasting, sand blasting, vibratory
- 07
Laser welding
- 08
Laser marking
- 09
Parts cleaning
- 10
External surface treatment (nickel plating, painting, anodizing)
- 11
Metrology and testing
- 12
Assembly of units
Materials and Processes
CNC milling 3–5 axes
15 machining centers with pallet changers for parts from 1 to 1,000 mm in length and up to 40 kg.
CNC turning up to 9 axes
4 CNC turning machining centers and one INDEX C200 for bar-turned parts up to 200 mm in diameter and 10 kg.
Laser welding
Rofin/Coherent and ALPHALASER systems for pore-free fine seams, among other applications on titanium, precious metals and surgical steel.
Laser marking and black marking
Trumpf TruMark Station 7000 for corrosion-resistant permanent markings, especially in medical technology.
Aluminum
Base material for milled and turned precision parts.
Stainless steels and implant steels
Stainless materials including surgical steel for medical applications.
Titanium
Lightweight metal for medical technology and aerospace, also laser-welded and black-marked.
Precious metals
Machining and laser welding of sensitive, high-value materials.
High-performance plastics and biocompatible plastics
Certified plastics for medical technology as well as fiber-reinforced plastics for demanding applications.
Stress-relief annealing
Chamber furnace from Nabertherm for stress reduction of the base material.
Glass bead blasting, sand blasting, vibratory finishing
In-house surface treatment with several Rösler vibratory finishing systems for burr-free, smooth surfaces.
Parts cleaning
Fully automated ROLL cleaning system with a defined cleanliness level before further processing.
Ostermünchen Site
Ostermünchen
DEProduction, administration, quality assurance, assembly
- Part weight / size
- Milling up to 1,000 mm length / 40 kg; turning up to 200 mm
- Lot size
- Single parts through series production
- Materials
- Aluminum, stainless steels, implant steels, titanium, precious metals, high-performance plastics, biocompatible plastics
- 15 CNC machining centers 3–5 axes with pallet changers
- 4 CNC turning machining centers up to 9 axes
- INDEX C200 production turning machine
- Rofin/Coherent laser welding and marking system
- Trumpf TruMark Station 7000 short-pulse laser
- ALPHALASER ALW 200 laser welding machine
- Zeiss and Mitutoyo 3D measuring machines up to 700x700x600 mm (climate-controlled measuring room)
- ROLL parts cleaning system
- Rösler vibratory finishing systems
- Nabertherm chamber furnace
- X-ray fluorescence analysis device
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC millingMachining | – | 1,000 mm | 40 kg | 1 mm (length) | Aluminum, Stainless steels, Implant steels, Titanium, High-performance plastics, Fiber-reinforced plastics, Certified plastics for medical technology, Biocompatible plastics |
| CNC turningMachining | – | – | 10 kg | – | Aluminum, Stainless steels, Implant steels, Titanium, High-performance plastics, Fiber-reinforced plastics, Certified plastics for medical technology, Biocompatible plastics |
| Laser weldingJoining | – | 400 mm × 350 mm | – | – | Aluminum, Precious metals, Titanium, sensitive alloys, surgical steel |
| Laser marking (black marking)Surface | – | 400 mm × 350 mm | – | – | surgical steel, Aluminum, Precious metals, Titanium |
| Glass bead blastingSurface | – | – | – | – | – |
| Sand blastingSurface | – | – | – | – | – |
| Vibratory finishingSurface | – | – | – | – | – |
| Parts cleaningSurface | – | – | – | – | – |
| Vacuum annealing/stress-relief annealing (chamber furnace)Heat treatment | – | – | – | – | – |
| Assembly of units / system assemblyAssembly | – | – | – | – | – |
| Metrology/testing (measurement reports, scan inspections)Testing | – | 700 mm × 700 mm × 600 mm | – | – | – |
| X-ray fluorescence analysis (metal analysis)Testing | – | – | – | – | Metals |
| External surface treatment: nickel plating, painting, anodizing, hardening treatmentsSurface | – | – | – | – | Metals |
| Electroless nickel plating (external)Surface | – | – | – | – | Metals |
12 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CNC machining centers (3–5 axes, with pallet changers) | – | 15 | – | – | Ostermünchen |
| Production turning machine (bar-turned parts) | INDEX C200 | 1 | – | – | Ostermünchen |
| CNC turning machining centers (up to 9-axis) | – | 4 | – | – | Ostermünchen |
| Laser welding and marking system | Rofin/Coherent | – | 400 x 400 x 350 mm (xyz), rotary axes up to 200 mm diameter | – | Ostermünchen |
| Short-pulse laser machine (black marking) | Trumpf TruMark Station 7000 | 1 | – | – | Ostermünchen |
| Laser welding machine | ALPHALASER ALW 200 | 1 | – | – | Ostermünchen |
| 3D measuring machine (climate-controlled measuring room) | Zeiss | – | up to 700 x 700 x 600 mm (xyz) | – | Ostermünchen |
| 3D measuring machine (climate-controlled measuring room) | Mitutoyo | – | up to 700 x 700 x 600 mm (xyz) | – | Ostermünchen |
| Parts cleaning system | ROLL | 1 | – | – | Ostermünchen |
| Vibratory finishing system | Rösler | several | – | – | Ostermünchen |
| Chamber furnace (stress-relief annealing) | Nabertherm | 1 | – | – | Ostermünchen |
| X-ray fluorescence analysis device | – | 1 | – | – | Ostermünchen |
Additional services
Quality and Certification
Quality assurance includes a climate-controlled measuring room with Zeiss and Mitutoyo 3D measuring machines (up to 700x700x600 mm), measurement reports with statistical recording and archiving, surface roughness testers as well as an X-ray fluorescence analysis device for non-destructive metal analysis. The company is certified to ISO 9001 and EN ISO 13485:2016/AC:2018 as well as EN ISO 13485:2016/A11:2021.
| Evidence | Ostermünchen |
|---|---|
| ISO 9001 | |
| ISO 13485 | |
| X-ray fluorescence analysis (material testing) | |
| Climate-controlled measuring room with 3D measuring machines | |
| IATF 16949 | |
| EN 9100 | |
| ISO 14001 |