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Milling

PTF manufactures with FEHLMANN precision milling machines.

Application of CAD/CAM programming

  • 5 axis CNC milling
  • 4 and 5 axis simultaneous machining
  • 3D free formed surfaces

Manufacturing automation with EROWA robot systems

5-axis simultaneous milling with FEHLMANN, type VERSA; most complex 3D contours through an additional swivel/turn table


Turning

Mori Seiki CNC turning machines and 9-axis mill turn centers


Grinding

Okamoto surface grinding machines
Kellenberger precision cylindrical grinding machines

Lot Size:10 to 100,000 pieces and complicated single parts
Dimensions:1 mm3 to 2,000 x 900 x 1,200 mm
Accuracy: Flatness 2 µm
Roughness Ra < 0,05 µm
Repetition accuracy 2 µm
Length tolerances < 5 µm


Electric Discharge Machining

PTF offers high-performance wire electric discharge machining (EDM) to meet requirements of sophisticated high-speed adaptions in relation to surface integrity.

Requirements of complex and large parts for manufacturing of matrices, aerospace as well as assemblies of medical parts or other parts are satisfied with "AgieCharmilles Progess V2" machines.

With precision wire erosion the technological offering of PTF was extensively broadened. PTF deliveries micro precision with wire diameters of 0.05 mm to 0.33 mm. The best achievable roughness is at 0.2µ. With axis-travel of x = 350 mm, y = 250 mm and z = 256 mm a wide spectrum of parts can be covered, thereby parts can have a size up to x = 750 mm, y = 550 mm and z = 250 mm.

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