Precision CNC Machining in Neuchâtel, Switzerland

Since 1970, Louis Wiedmann SA has been your partner for high-precision CNC machining in Neuchâtel. Our workshop is equipped with the latest CNC machining centres — Fehlmann Picomax 56 and 56L (4-axis simultaneous), Fanuc Robodrill D21L (2025), Schaublin CCN 180 lathe and Okamoto ACC520 surface grinder — delivering tolerances down to +/- 0.005 mm and maximum dimensions of 620 x 320 x 250 mm.

Our CNC Machining Capabilities

• 3-axis CNC milling — Fanuc Robodrill D21L (2025), high-speed prismatic parts
• 4-axis simultaneous CNC milling — Fehlmann Picomax 56 (2020) and 56L (2022), complex geometries
• CNC turning — Schaublin CCN 180, cylindrical parts, shafts, bushings
• Surface grinding — Okamoto ACC520 (2019), high-precision finishing, guaranteed flatness
• Conventional machining — manual milling and turning for one-off parts
• Special and exotic alloys — titanium, Inconel, Hastelloy, beryllium copper

Materials Machined

• Aluminium — 6082, 7075, 2017A, AlMgSi
• Steel — C45, 42CrMo4, 100Cr6, 16MnCr5
• Stainless steel — 316L, 304L, 17-4PH, Duplex 2205
• Titanium — Ti6Al4V Grade 5, Grade 2 CP
• Copper, bronze, brass — Cu-ETP, CuBe2, CuSn8, CuZn39Pb3
• Plastics — POM-C, PEEK, PTFE, PA6/66, PVDF

Industries Served

We work with companies in the most demanding sectors: watchmaking, aerospace and space (collaboration with ESA and Ariane launcher structures), micro-electronics, pharmaceuticals, automation, scientific research and instrumentation.

Complete Mechanical Subcontracting

Louis Wiedmann SA offers a complete subcontracting service through a network of qualified partners: material sourcing, machining, surface treatments (anodising, nickel plating, passivation), heat treatment and logistics. A single point of contact for your entire production chain.

Why Choose Louis Wiedmann SA?

• Over 55 years of experience in precision mechanics (founded 1970)
• Modern CNC machine park — Fehlmann, Fanuc, Schaublin, Okamoto
• Tight tolerances: +/- 0.005 mm
• From prototype to series — total flexibility
• Special and exotic alloys mastered
• Partner network for surface and heat treatments
• Located in the heart of Neuchâtel, Switzerland

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