

Overview
About Grohn Metall GmbH
Who we are
Grohn Metall GmbH is a young family-owned company based in Ahnsen and offers professional contract manufacturing for your components and assemblies. On over 1,000 m² of production area, we manufacture individual customer solutions in the fields of CNC turning, CNC milling and welding with state-of-the-art machines. In "Figures, Data and Facts" our production possibilities are as follows: CNC turning "DMG MORI - CLX 550 V6" - Max. Turning diameter: 480 mm - Max. Bar passage: 80 mm - Max. Machining length: 1,225 mm - driven tools - Y axis - counterspindle - Bezel CNC Milling "DMG MORI - CMX 70 U" - 5-axis machining - 3D CAM - Max. Travel X-axis: 750 mm - Max. Travel Y-axis: 600 mm - Max. Travel Z-axis: 520 mm - Max. Component weight: 350 kg Welding "EWM - Titan XQ 350 / Tetrix 351 AC / DC" - MIG (131) - MAG (135) - TIG (141, 142) - E-Hand (111) - Sheet thicknesses: 0.5 - 50.0 mm - Materials: steel (black), CrNi steels, aluminum, etc.
1 / 2

2 / 2

Ahnsen, Germany
Member since 2019
Employees< 5
Turnover< 1 Mil.
Year of foundation2018
Competencies
Technologies
Turning
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Turning | 1–10,000 | 0–1,225 mm | — | — | 0–480 mm | — |
Automatic turning (bar) | 1–10,000 | 0–1,225 mm | — | — | 0–80 mm | — |
Swiss turning | 0–10,000 | 0–1,225 mm | — | — | 0–480 mm | — |
Full-range turning (including milling) | 0–10,000 | 0–1,225 mm | — | — | 0–480 mm | — |
Hard turning | 0–10,000 | 0–1,225 mm | — | — | 0–480 mm | — |
Broaching | 0–10,000 | 0–1,225 mm | — | — | 0–480 mm | — |
Deep-hole drilling | 0–10,000 | 0–750 mm | 0–600 mm | 0–260 mm | 0–480 mm | 0–350 kg |
Centering / end facing | 0–10,000 | 0–1,225 mm | — | — | 0–480 mm | — |
Shaft machining | 0–10,000 | 0–1,225 mm | — | — | 0–480 mm | 0–500 kg |
Welding
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | 1–1,000 | 0–6,000 mm | 0–6,000 mm | 0–6,000 mm | — | 0–5,000 kg | — |
Inert gas shielded arc welding (TIG) | 0–1,000 | 0–6,000 mm | 0–6,000 mm | 0–6,000 mm | — | 0–5,000 kg | — |
Manual electrode welding | 1–1,000 | 0–6,000 mm | 0–6,000 mm | 0–6,000 mm | 0–1,000 mm | 0–5,000 kg | 0–50 mm |
Welded constructions / Structural Steelwork
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Welded constructions (weldments) | 0–6,000 mm | 0–6,000 mm | 0–6,000 mm | 0–5,000 kg |
Machine frames / bases / racks | 0–6,000 mm | 0–6,000 mm | 0–6,000 mm | 0–5,000 kg |
Milling
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Milling | 0–10,000 | 0–750 mm | 0–600 mm | 0–520 mm | — | — |
5-axis milling machines | 0–10,000 | 0–750 mm | 0–600 mm | 0–520 mm | — | — |
Form milling (3 D) | 0–10,000 | 0–750 mm | 0–600 mm | 0–520 mm | — | — |
Full-range milling (including turning) | 0–10,000 | 0–1,225 mm | 0–600 mm | 0–520 mm | 0–480 mm | — |
Engraver milling | 0–10,000 | 0–1,225 mm | 0–600 mm | 0–520 mm | 0–480 mm | 0–350 kg |
Drilling / Sawing
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight |
|---|---|---|---|---|---|---|
Sawing | 1–10,000 | 0–60,000 mm | 0–310 mm | 0–260 mm | 0–260 mm | — |
Drilling / threading / tapping | 1–10,000 | 0–750 mm | 0–600 mm | 0–520 mm | — | 0–350 kg |
Materials
Cast metals
Cast steelCast iron
Plastics/synthetic materials
ThermoplasticsAcrylic (PMMA)High performance plasticThermosetsGlass fibre-reinforced plasticCarbon fibre-reinforced plasticNatural Fibre Composites (NFC)
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Industries
Boiler, container and tank construction Mechanical engineeringAutomotive and vehicle constructionPrecision engineering, mechatronics and opticsPlant engineering and constructionMachine tool manufacturingAir conditioning, refrigeration and ventilation industrySpecial purpose machinery manufacturing
Parts & Machines
Machinery (3)
1 / 3

CLX 550 V6
ManufacturerDMG MORI
ControlSiemens
Year of Construction2019
Technology
Centering / end facingDrilling / threading / tappingFull-range milling (including turning)Shaft machiningDeep-hole drillingBroachingSwiss turningAutomatic turning (bar)Full-range turning (including milling)Hard turningTurning
2 / 3

CMX 70 U
ManufacturerDMG MORI
ControlSiemens
Year of Construction2019
Technology
Full-range milling (including turning)5-axis milling machinesForm milling (3 D)Drilling / threading / tappingEngraver millingMilling
3 / 3

Titan XQ 350 / Tetrix 351 AC/DC
ManufacturerEWM
ControlEWM
Year of Construction2019
Technology
Manual electrode weldingInert gas shielded arc welding (TIG)Inert gas shielded arc welding (MIG/MAG)
3 Machinery
Centering / end facing1
Drilling / threading / tapping2
Full-range milling (including turning)2
Shaft machining1
Deep-hole drilling1
Broaching1
Swiss turning1
Automatic turning (bar)1
Full-range turning (including milling)1
Hard turning1
Turning1
5-axis milling machines1
Form milling (3 D)1
Engraver milling1
Milling1
Manual electrode welding1
Inert gas shielded arc welding (TIG)1
Inert gas shielded arc welding (MIG/MAG)1
Are you a supplier?
Find perfectly matching requests.
Are you a buyer?
Submit your request.