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3. FD 250

        The gears hobbing machine FD250 is used for tooth generate milling by rolling, using a hobbing cutter. The machine has a universal character and may be used in unique production, small series and big series, with a high productivity.

            With the machine it may be performed the following operation types:

• spur gears milling;
• leaning gears milling;
•  helical gears milling;
• worm-wheel milling with hobbing cutter, with radial advancement;
• worm-wheel milling with hobbing cutter, with tangential advancement;
• flying cutter worm-wheel milling with tangential advancement;
• leaning and spur gears milling with small conicalness (cylindro-conical wheels);
• wheels milling with teeth profile that may be generated by rolling (sprockets, channeled axles, etc.).

            Technical features:

• Maximal working diameter: 250 mm;
• Maximal working module: 6;
• Maximal axis movement: 280 mm;
• Maximal tangential movement: 150 mm;
• Minimal number of teeth: 8;
• Maximal milling edge leaning angle: ± 45^o;
• Table diameter: 310 mm;
• Cross-sliding axis cone: Morse;
• Table boring diameter: 70 mm;
• Maximal milling dimensions: 130 X 180 mm;
• Cross-sliding axis rotation range: 56 – 335 rot / min;
• Working advancement limits:
  • Axial: 0.71 – 6.3 mm / rot;
  • Radial: 0.05 – 2.0 mm / rot;
  • Tangential: 0.1 – 4.0 mm / rot.
• Dimensions:
  • Length: 2405 mm;
  • Width: 1320 mm;
  • Height: 1970 mm.
• Net weight: 5400 kg.