Precision parts in CNC turning, milling, EDM and grinding from all materials from lot size 1
CNC-Fertigung Gronemann GmbH
BerlinNew on Amplifa
About CNC-Fertigung Gronemann
CNC-Fertigung Gronemann GmbH is a precision machining company in Berlin that has been manufacturing CNC-machined components for over 50 years with 15 employees. Production starts from lot size 1 on 16 CNC milling, turning, engraving and EDM machines as well as machining centres – from simple parts to precision parts with Rz values down to 1 and tolerances in the micrometre range. The service portfolio includes CNC milling up to 1100 × 635 mm including 3D milling and 4th axis, CNC turning up to Ø 460 mm with driven tools, wire and sinker EDM, surface, cylindrical and jig grinding, honing as well as conventional turning, milling and drilling. In addition, hardening, welding (MIG, MAG, TIG), glass bead blasting, trovalizing, assembly work, hydraulic bending and CNC engraving including rotary engraving are offered. Parts are machined from all materials; focal areas are precision parts for analytical and medical technology as well as vacuum and automation technology. In addition to prototype construction, special and custom-made products and spare parts manufacturing for technical rarities, the company has offered its own HPLC product line since 2005. Since 2003, a PPM system has monitored all operational processes.
- Site
- Berlin
- Processes
- CNC milling work (incl. 3D milling, 4th axis), CNC turning work (with driven tools), CNC engraving work (nameplates, rotary engraving, scalings, incl. 4th axis), CNC wire EDM work, Sinker EDM work, Surface grinding work, Cylindrical grinding work (internal and external cylindrical grinding), Jig grinding work
- Materials
- all materials (not further specified), CNC milling (3D, 4th and 5-axis), CNC turning, Wire and sinker EDM, Surface, cylindrical and jig grinding, Honing, CNC engraving, Hardening
- Certificates
- DIN EN ISO 9001:2008, DIN EN ISO 14001, ISO 9001, ISO 14001
- Employees
- 15
- Industries
- Analytical technology, Medical technology, Vacuum technology, Automation technology
- 01
CNC milling
- 02
CNC turning
- 03
EDM
- 04
Grinding
- 05
Hardening
- 06
Surface treatment (glass bead blasting, trovalizing)
- 07
Welding
- 08
Assembly
Materials and Processes
CNC milling (3D, 4th and 5-axis)
Milling work up to 1100 × 635 mm including 3D milling, 4th axis and 5-axis machining centres.
CNC turning
Turning work up to Ø 460 mm (spindle bore Ø 72 mm), also with driven tools.
Wire and sinker EDM
CNC wire EDM with up to 800 mm travel as well as sinker EDM work.
Surface, cylindrical and jig grinding
Internal and external cylindrical grinding, surface and jig grinding for precision parts.
Honing
Honing work up to approx. Ø 100 mm.
CNC engraving
Nameplates up to approx. 4 × 1.5 m, rotary engraving and scalings including 4th axis.
Hardening
Hardening treatment of components in-house.
Welding (MIG, MAG, TIG)
Welding work in three common processes.
Glass bead blasting and trovalizing
Surface and edge refinement techniques for post-processing.
Assembly work
Assembly of subassemblies complements manufacturing.
Locations
Berlin
DEManufacturing and administration
- Lot size
- from lot size 1
- Materials
- all materials
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC milling work (incl. 3D milling, 4th axis)Machining | Tolerances in the µm range · Rz 1 | 1100 mm × 635 mm | – | Lot size 1 | all materials |
| CNC turning work (with driven tools)Machining | Tolerances in the µm range · Rz 1 | Ø 460 mm (spindle bore Ø 72 mm) | – | Lot size 1 | all materials |
| CNC engraving work (nameplates, rotary engraving, scalings, incl. 4th axis)Machining | – | approx. 4 m × 1.5 m | – | – | – |
| CNC wire EDM workMachining | – | 800 mm travel | – | – | – |
| Sinker EDM workMachining | – | – | – | – | – |
| Surface grinding workMachining | – | – | – | – | – |
| Cylindrical grinding work (internal and external cylindrical grinding)Machining | – | – | – | – | – |
| Jig grinding workMachining | – | – | – | – | – |
| Conventional turning, milling and drilling workMachining | – | – | – | – | – |
| Honing workMachining | – | up to approx. Ø 100 mm | – | – | – |
| HardeningHeat treatment | – | – | – | – | – |
| Welding (MIG, MAG, TIG)Joining | – | – | – | – | – |
| Glass bead blastingSurface | – | – | – | – | – |
| TrovalizingSurface | – | – | – | – | – |
| Assembly workAssembly | – | – | – | – | – |
| Hydraulic bendingForming | – | – | – | – | – |
| Single-part manufacturing, special and custom-made products, prototype constructionEngineering | – | – | – | Lot size 1 | all materials |
| Spare parts manufacturing for technical raritiesEngineering | – | – | – | – | – |
19 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| 5-axis machining centre | DMG (Deckel Maho) DMU50 Evolution | 1 | – | – | Berlin |
| 5-axis machining centre | Wemas VZG65 | 1 | – | – | Berlin |
| Machining centre | Fadal VMC4525 | 1 | – | – | Berlin |
| Machining centre | Matra VMC 1000 | 1 | – | – | Berlin |
| Turn-mill centre | Mazak Integrex 200SY | 2 | – | – | Berlin |
| Lathe | Boehringer VDF180C | 1 | – | – | Berlin |
| Machining centre (lathe) | Hwacheon Hi-Eco 31MC | 1 | – | – | Berlin |
| CNC lathe | Weiler UD42-CNC | 1 | – | – | Berlin |
| Lathe | Kern 420NC | 1 | – | – | Berlin |
| Lathe | Gildemeister GDM65 | 1 | – | – | Berlin |
| Engraving machine | Lang Impala | 1 | – | – | Berlin |
| Engraving machine | Lang LGP | 1 | – | – | Berlin |
| EDM machine | Matra | 1 | – | – | Berlin |
| EDM machine | Charmilles Robifill 300 | 1 | – | – | Berlin |
| EDM machine | Deckel | 1 | – | – | Berlin |
| Jig grinding machine | Deckel | 1 | – | – | Berlin |
| Cylindrical grinding machine | Karstens | 1 | – | – | Berlin |
| Surface grinding machine | Jung | 1 | – | – | Berlin |
| Surface grinding machine | Proth | 1 | – | – | Berlin |
Additional services
Quality
All processes have been monitored by a PPM system since 2003. The company is certified according to DIN EN ISO 9001:2008 and maintains an environmental management system according to DIN EN ISO 14001.
| Evidence | Berlin |
|---|---|
| ISO 9001 | |
| ISO 14001 |
History
- 2003
Introduction of a PPM system for monitoring all processes
- 2005
Launch of the HPLC product range with in-house production