Large part machining: MGR, a recognised expert
MGR Monnier Énergies, a recognised French specialist in large part machining for 25 years.
- Machining up to 12 metres long and 2.5 metres wide
- Dedicated machine fleet: gantry milling machines, large-capacity boring mills
- Manufacturing for major groups and SMEs
- One-off parts or series
- ISO 9001 certification
They trust us with their large part machining
A dedicated machine fleet for large part machining up to 12 metres long and 2.5 metres wide
MGR Monnier Énergies can machine parts without repositioning up to 12 metres long and 2.5 metres wide.
Our company is equipped with 3- and 5-axis gantry milling machines, boring mills, machining centres and inspection machines
We invest regularly in a machine fleet specifically designed for large part machining:
- 3-axis CNC travelling-gantry milling machine 10,000 mm x 2,400 mm x 1,100 mm
- 5-axis CNC gantry milling machine 7,000 mm x 2,500 mm x 1,100 mm
- 5-axis boring mill 12,000 mm x 700 + 730 mm x 2,500 mm
- 3-axis CNC milling and boring machine with rotary table 2,200 mm x 1,800 mm
- Planer-miller, CNC centre, machining centre
- Suitable coordinate measuring machine
Dual expertise in large part machining and welded fabrication
For example, we machine: castings, welded assemblies fabricated in-house or supplied by our customers, and production runs on customer-supplied or our own materials.
Our workshops use handling equipment rated up to 6 and 7 tonnes for machining.
Our large part capabilities in 4 key figures
5 large part machining machines
25 years of expertise
Thousands of parts produced
15 large part specialists
Major groups and SMEs from a wide range of sectors trust us
MGR supports customers across many industries
- Energy, nuclear
- Special-purpose machinery
- Rail
- Aerospace
- Automotive
- Defence
- Heat treatment
We control the entire part production chain
- Programming
- Industrialisation for series production
- Fixtures
- Part clamping
- Inspection
- Complementary welded fabrication services
We stand alongside our customers in producing their products, from initial design thinking through to production.
Quality at the heart of MGR’s approach: ISO 9001 and ISO 3834-2
We guarantee the quality of our services as we have been ISO 9001 certified by AFNOR since 2001, and are also ISO 3834-2 certified by TÜV for our welding activity.
To validate the conformity of parts produced through long part machining, we inspect them on our coordinate measuring machine designed for long parts.
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Christian Monnier, Chairman of MGR, with Secretary of State Laurent Pietraszewski and Prefect Jean-Marie Girier
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Christian Monnier, Chairman of MGR, with Minister Bruno Le Maire
Expertise recognised in France and across Europe
The French government’s recognition of our industrial quality is illustrated opposite by the visit of Laurent Pietraszewski, Secretary of State for Pensions and Occupational Health under the Minister of Labour, and by our meeting with Bruno Le Maire, Minister for the Economy, Finance and Recovery, during Emmanuel Macron’s visit to the site of our customer General Electric.
40% of turnover generated from exports
Our expertise in very large part machining reaches beyond borders, with exports to Europe accounting for 40% of our turnover.
Our two large-capacity boring mills
A 5-axis boring mill
- 12 metres long
- 700 + 730 mm wide
- 2500 mm high
- 2000×2400 mm rotary table
It has a 40-position tool changer for efficient series machining and a right-angle head. Its rotary table allows machining of all 4 faces over the full height of the parts.
A 3-axis boring mill
Our large part fleet also includes a CNC milling and boring machine:
- 2200 mm x 1800 mm rotary table
- travel 3500 mm x 2500 mm x 1250 mm
- 12-tonne load capacity
- 360,000 positions
Our two large gantry milling machines
A 5-axis large part milling machine
TOS FRF Q200 travelling-gantry milling machine, 5-axis CNC, with a swivelling head, machining length 7,000 mm, width 2500 mm, height 1100 mm
A 3-axis large part milling machine
Three-axis milling machine with swivelling head, CNC travelling gantry, 10 metres long, 2400 mm wide and 1100 mm high
A planer-miller, a CNC centre and a machining centre complete our equipment
To complement our boring and large part milling offering, our equipment includes:
- A LINE 2-head planer-miller with digital readout, capacity: length 5,000 mm / width 1,550 mm / height 1,100 mm
- A DONAU CNC centre: length 4000 mm / width 1,000 mm / height 800 mm
- A DMC100C machining centre: length 1000 mm / width 600 mm / height 600 mm
A team of 15 experts
Our team of experts comprises 15 people: programmers, process planners, machinists and fitters.
We also have a strong apprenticeship culture, welcoming and training apprentices who make up 10% of our workforce and bringing them to the level of expertise required for large part milling.
Technical rigour to support our customers in the most demanding sectors
MGR Monnier Énergies has organised its teams to meet the technical requirements of its customers.
Rail
For machining large parts for the rail sector, we have deployed industrialisation tools that ensure continuous improvement and quality control of the production runs entrusted to us.
Nuclear and energy
For the energy industry, we have developed a project-based approach for so-called complex contracts, providing a complete large part offering, particularly for our nuclear maintenance customers.
Special-purpose machinery
We offer a complete package, machining of machine frames and guarding, for our customers in the special-purpose machinery sector.
MGR can also work for other industries such as aerospace, automotive and defence.
Expertise recognised by prestigious customers
Multi-skilled know-how
Machining, welded fabrication, sheet metal work
Quality at the heart of our processes
ISO 9001 certified
Based in the Territoire de Belfort, we supply the whole of France, Germany, Switzerland and beyond
Located in eastern France, in Bourgogne-Franche-Comté, close to Switzerland and Germany, our geographical reach extends far beyond our region.
For example, we provide large part machining in Auvergne-Rhône-Alpes, Nord-Pas-de-Calais and Pays de la Loire, as well as throughout the rest of France and Europe.
In addition to our transport suppliers, we have our own logistics resources for local deliveries.
Welded fabrication
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Light-gauge and industrial sheet metal work
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Jobs – Machining technician
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