

Overview
About Andreas Berg Stahl- und Maschinenbau e.K.
Who we are
Versatility - through years of experience and openness to new ideas. Today MOUNTAIN METAL OHG was founded in 1980 by Mr. Alfons Berg as a sole proprietorship. In 1994 the opening of a branch factory in Oberwiehl and thus the expansion of the power spectrum in sheet metal processing. The establishment of a partnership made in 1999 by the introduction of the individual enterprise and the participation of Mr Andreas Berg, who since 1993 has been an employee of the company. Managing Partners are Alfonso and Andreas Berg. Dedicated and technically skilled staff, supported by a powerful technical equipment enable quality and on-time reliable results that meet the individual requirements of our customers. With the sum of our experience of over 30 years, creativity and flexibility, we develop optimized overall and advanced detail solutions. Robot Welding Welding Welding Robot welding welded constructions sheet metal forming sheet metal processing milling turning machining sheet metal structures large milling parts assemblies burnouts combustion engine burning operation Abkantarbeiten cut profiles industry profiles structural steel welding welding TIG MIG MAG Stud Welding Drawn Arc Capacitor discharge machining stainless steel engineering tool steel plasma cutting plasma system plasma cutting parts sheet steel processing 16Mo3 Hardox 1.4301 1.4571 1.4404
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Wiehl, Germany
Member since 2003
Premium Member since 2012
Employees10 - 20
Certificates2
Turnover1 - 5 Mil.
Year of foundation1980
Competencies
Technologies
Welded constructions / Structural Steelwork
| Technologies | Length | Width | Height | Weight |
|---|---|---|---|---|
Welded constructions (weldments) | 1–12,000 mm | 1–3,000 mm | 1–3,000 mm | 0–10,000 kg |
Machine frames / bases / racks | 1–12,000 mm | 1–3,000 mm | 1–3,000 mm | 0–10,000 kg |
Welding
| Technologies | Lotsize | Length | Width | Height | Diameter | Weight | Material thickness |
|---|---|---|---|---|---|---|---|
Inert gas shielded arc welding (MIG/MAG) | 1–1,000 | 1–12,000 mm | 1–3,000 mm | 1–3,000 mm | 1–4,000 mm | 0–10,000 kg | 1–200 mm |
Inert gas shielded arc welding (TIG) | 1–1,000 | 1–12,000 mm | 1–3,000 mm | 1–3,000 mm | 1–4,000 mm | 0–10,000 kg | 1–200 mm |
Robot welding | 50–1,000 | 100–8,500 mm | 100–2,500 mm | 100–2,500 mm | — | 0–8,500 kg | — |
Spot welding | 1–1,000 | — | — | — | — | — | 1–8 mm |
Manual electrode welding | 1–1,000 | 1–12,000 mm | 1–3,000 mm | 1–3,000 mm | 1–4,000 mm | 0–10,000 kg | 1–200 mm |
Stud welding | 1–1,000 | — | — | — | — | — | — |
Assembly
| Technologies | Weight |
|---|---|
Mechanical assembly | 0–10,000 kg |
Industrial / On-site-assembly | 0–10,000 kg |
Turning
| Technologies | Lotsize | Length | Diameter |
|---|---|---|---|
Turning | 1–1,000 | 10–3,000 mm | 420–720 mm |
Automatic turning (bar) | 1–1,000 | 10–3,000 mm | 420–720 mm |
Full-range turning (including milling) | 1–10,000 | 10–3,000 mm | 10–720 mm |
Jigmaking
Sheet Metal Processing
| Technologies | Lotsize | Length | Width | Weight | Material thickness |
|---|---|---|---|---|---|
Laser cutting 2D | 1–10,000 | 50–6,000 mm | 50–2,000 mm | 0–2,500 kg | 0.5–25 mm |
Bending / folding | 1–10,000 | 20–7,500 mm | — | — | 0.5–50 mm |
Punching / nibbling | 1–1,000 | 100–6,000 mm | 100–1,500 mm | 0–1,000 kg | 1–8 mm |
Oxyacetylene cutting | 1–1,000 | 10–8,000 mm | 10–3,000 mm | 0–10,000 kg | 5–150 mm |
Plasma fusion cutting | 1–10,000 | 10–8,000 mm | 10–3,000 mm | 0–10,000 kg | 1–45 mm |
Plate rolling / bending | 1–1,000 | — | 20–3,000 mm | — | 0.5–20 mm |
Shearing (rectangular blank/strip) | 1–1,000 | — | — | — | 1–160 mm |
Assembly Group Manufacturing
| Technologies |
|---|
Folding |
Adhesive bonding |
Riveting |
Milling
| Technologies | Lotsize | Length | Width | Height | Weight |
|---|---|---|---|---|---|
Milling | 1–1,000 | 1–7,000 mm | 1–1,500 mm | 1–2,500 mm | 0–10,000 kg |
5-axis milling machines | 1–1,000 | 80–3,000 mm | 80–890 mm | 80–890 mm | 0–4,000 kg |
Form milling (3 D) | 1–1,000 | 1–1,250 mm | 1–600 mm | 1–600 mm | 0–3,000 kg |
Materials
Precious metals
SilverGoldPlatinumOther precious metals
Heavy metals
Copper-zinc alloys (brass)Copper and copper alloysZinc and zinc alloysSolder
Cast metals
Cast steelCast iron
Steel
Structural steelCase hardening/tempering steelStainless steel (rust-proof V2A)Stainless steel (rust-proof V4A)Free-cutting/mild steelTool steelSpring steelCold extruding steel
Advanced Materials
Nickel alloy (Inconel, Monel, Hastelloy)CarbideSilicium
Natural materials
Wood/timberRock
Sintered materials
Metal powder for formed partsMetal powder for hard metal
Light metals
Aluminium and aluminium alloysMagnesium and magnesium alloysTitanium and titanium alloys
Non-metal inorganic materials
CeramicsGlassConcreteCast mineralsGraphite
Plastics/synthetic materials
ThermoplasticsThermosetsElastomersSilocone (LSR)Natural and vulcanised rubberGlass fibre-reinforced plasticCarbon fibre-reinforced plasticParticle reinforced composite materialsWood-Plastic-Composites (WPC)Natural Fibre Composites (NFC)
Industries
Telecommunication industryClean room technologyHydraulic and pneumatic industryElectrical industryInformation technology (hardware)Precision engineering, mechatronics and opticsAutomotive and vehicle constructionAutomation and control engineeringLighting industryOffice machinery and suppliesChemical industryAir conditioning, refrigeration and ventilation industryRailway and rail vehicles industryHousehold appliance industryAerospace and aviation industryMining and tunnel engineeringSpecial purpose machinery manufacturingMeasurement and control technique, laboratory equipmentConstruction and architectural suppliesApparatus engineeringDrive and gear engineeringMechanical engineeringShipbuilding industryPaper and printing machinery industryMedical technologyPower generation and transmission industryFittings engineeringPlant engineering and constructionBuilding, agricultural and forestry machinery manufacturingBoiler, container and tank construction Military engineeringFurniture industryPackaging industryMachine tool manufacturing
Certificates
ISO 9001:2008
DIN 18800-7:2008 Class A-C (minor welding cert.)
Parts & Machines
Parts (7)
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Baugruppe aus versch. Komponenten
DescriptionMaschinenbau Bbaugruppenmontage mechanische Bearbeitung
2 / 7

Scharnierbandkette
DescriptionBlechbearbeitung, Drehteile, Roboterschweissen
3 / 7

Stahlbau / Schweissbaugruppen
DescriptionStahlbau, Robergeschweisst, Hitzebeständig
4 / 7

Schweißbaugruppe Maschinengestell
DescriptionStahlbau, Grossfrästeile, Schweißbaugruppe mit mechanischer Bearbeitung
5 / 7

Schweißteil Gehäuse
DescriptionLagergehäuse, 3t Schweissteil mechanische Bearbeitung mit Lagersitzen Ø1200 H7
6 / 7

Lagergehäuse
DescriptionSchweissbaugruppe, außen geschliffen, innen gehohnt, Tieflochgebohrt, Ultraschallgeprüft
7 / 7

Industrieofen
DescriptionUmluftkammerofen Temperofen Industrieofen Konstruktion Maschinenbau Blechbau
Machinery (6)
1 / 6

div Fr�smaschinen
Manufacturerdiv. Hersteller
ControlHEIDENHAIN
Year of Construction2009
Technology
Milling
2 / 6
Brenschneidanlage
ManufacturerESAB
ControlESAB
Year of Construction2006
3 / 6

div Abkantpressen
ManufacturerGWF,LVD,EHT
ControlCybelec, LVD
Year of Construction2014
4 / 6
div Drehmaschinen
Manufacturerdiv. Hersteller
ControlSiemens
Year of Construction2003
5 / 6
div Schweissroboter
Manufacturerdiv. Hersteller
Controldiv Steuerungen
Year of Construction2005
6 / 6

5-Achs
ManufacturerDoosan
ControlHeidenhain
Year of Construction2014
7 Parts
6 Machinery
Milling1
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