Precision EDM, CNC milling and surface grinding for complex components made of conductive and hardened materials.
Funkenerosionstechnik Günter Krohmer GmbH
72124 PliezhausenNew on Amplifa
Precision Manufacturing from Pliezhausen
Günter Krohmer GmbH from Pliezhausen specialises in EDM technology and precision machining. The company manufactures single parts, prototypes and series using wire EDM, die-sinking EDM, hole-drilling and start-hole EDM, 3- and 5-axis CNC milling and CNC surface grinding for demanding industrial applications. Materials processed include electrically conductive and metallic materials, hardened steels up to 64 HRC as well as carbide. Typical products are punches, dies, mould inserts, electrodes, fixtures and technical precision parts with tight tolerances down to ±2 µm. The entire production facility, including the measuring room, is fully climate-controlled; the 5-axis milling department runs 24/7 via a Lang system. Customers come from toolmaking, stamping tool manufacture, mould making, mechanical engineering, medical technology, the electrical industry, research, semiconductor technology, automotive, gearbox manufacturing and motorsport. Electrodes are produced in-house, and quality assurance is performed using 3D coordinate measuring technology.
- Site
- Pliezhausen
- Processes
- Wire EDM, Die-sinking EDM, Hole-drilling and start-hole EDM, 5-axis milling (simultaneous), 3-axis milling, CNC surface grinding, Quality assurance / 3D coordinate measurement, In-house electrode manufacturing
- Materials
- Electrically conductive materials, Hardened materials (up to 64 HRC), Carbide, Metallic materials (general), Metal (EDM technology and metal processing, certification scope), Wire EDM, Die-sinking EDM, 5-axis milling (simultaneous)
- Certificates
- DIN EN ISO 9001:2015, ISO 9001
- Industries
- Toolmaking, Stamping tool manufacture, Mould making, Mechanical engineering, Medical technology, Electrical industry
- 01
Technical inspection of CAD data
- 02
In-house electrode manufacturing
- 03
Wire and die-sinking EDM
- 04
CNC milling (3-axis/5-axis)
- 05
CNC surface grinding
- 06
3D coordinate measurement
- 07
Delivery
Materials & Manufacturing Processes
Wire EDM
Precise contours, through-holes and tight radii in electrically conductive materials, down to Ra 0.1 and cutting height 300 mm.
Die-sinking EDM
Production of cavities, mould inserts and internal geometries with shaped electrodes at ±2 µm accuracy.
5-axis milling (simultaneous)
Complex geometries in a single setup, 24/7 automation, climate-controlled machine room and temperature-controlled axes.
3-axis milling
Cost-effective production of base bodies, fixtures and series parts up to 1,000 × 600 × 600 mm.
CNC surface grinding
Precise flat functional, guide and mating surfaces up to 1,200 × 500 mm, also in carbide.
Hardened materials up to 64 HRC
Machining and EDM of hardened steels and difficult-to-machine materials.
Carbide
Fine finishing of carbide in surface grinding after technical inspection.
Locations
Pliezhausen
DEManufacturing & administration: EDM, CNC milling, surface grinding, quality assurance; fully climate-controlled
- Part weight / size
- max. 1,000 kg (EDM)
- Lot size
- Single part to large series
- Materials
- conductive and metallic materials, hardened steels up to 64 HRC, carbide
- Wire EDM machine (travel 750 × 500 mm, cutting height 300 mm)
- Die-sinking EDM machine with electrode changer (840 × 400 × 410 mm)
- Hole-drilling and start-hole EDM machine
- 5-axis machining centre, simultaneous, Lang system automation, 600 × 600 × 600 mm
- 3-axis machining centre 1,000 × 600 × 600 mm, up to 25,000 rpm
- CNC surface grinding machine 1,200 × 500 mm
- ZEISS CONTURA G2 3D coordinate measuring machine with ZEISS CALYPSO
Components & Manufacturing Services
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Wire EDMMachining | down to Ra 0.1 | 1200 mm × 750 mm × 500 mm | 1000 kg | – | electrically conductive materials, hardened materials |
| Die-sinking EDMMachining | ±2 µm | 840 mm × 400 mm × 410 mm | 1000 kg | – | electrically conductive materials, hardened materials |
| Hole-drilling and start-hole EDMMachining | – | – | – | – | electrically conductive materials |
| 5-axis milling (simultaneous)Machining | ±2 µm | 600 mm × 600 mm × 600 mm | – | Large series | metallic materials (soft or hard), hardened materials up to 64 HRC, difficult-to-machine materials |
| 3-axis millingMachining | – | 1000 mm × 600 mm × 600 mm | – | Single part – Large series | metallic materials (soft or hard), hardened materials, difficult-to-machine materials |
| CNC surface grindingMachining | – | 1200 mm × 500 mm | – | – | soft steels, hardened steels, carbide |
| Quality assurance / 3D coordinate measurementInspection | – | 1200 mm × 1000 mm | – | Single piece – Series inspection | – |
| In-house electrode manufacturingMachining | – | – | – | – | – |
7 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| 5-axis machining centre (simultaneous, Lang system automation, temperature-controlled axes) | – | – | 600 x 600 x 600 mm | – | Pliezhausen |
| 3-axis machining centre | – | – | 1000 x 600 x 600 mm | – | Pliezhausen |
| Wire EDM machine | – | – | Travel 750 x 500 mm, cutting height 300 mm | – | Pliezhausen |
| Die-sinking EDM machine (with electrode changer) | – | – | 840 x 400 x 410 mm | – | Pliezhausen |
| CNC surface grinding machine | – | – | 1200 x 500 mm | – | Pliezhausen |
| ZEISS CONTURA G2 3D coordinate measuring machine (RDS head, ZEISS CALYPSO) | ZEISS CONTURA G2 | 1 | 700 x 1000 x 600 mm (X/Y/Z) | – | Pliezhausen |
| Hole-drilling and start-hole EDM machine | – | – | – | – | Pliezhausen |
Additional services
Quality & Metrology
Quality assurance is performed with a ZEISS CONTURA G2 3D coordinate measuring machine (measuring range 700 × 1,000 × 600 mm, stylus tip from Ø 1 mm) in the fully climate-controlled production facility, operated with ZEISS CALYPSO and direct CAD connection. The company is certified to DIN EN ISO 9001:2015 (Intertek, Reg. no. 2024-03066, valid until 14.06.2027).
| Evidence | Pliezhausen |
|---|---|
| ISO 9001 |
Company History
- 2003
Initial certification to DIN EN ISO 9001 on 09.04.2003.
Over 30 years of precision experience in EDM technology (company's own statement).