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3. 3M194

        The round grinding machine type 3M194 is a high precision machine used to rectify on outside cylindrical surfaces of pieces as shafts and, also the conical surfaces with little openness.

            Using this machine there may be performed the following types of rectifying:

• longitudinal rectifying;
• longitudinal rectifying with regular automated advancement, performed on inversing the table movement speed.

            The machine may be used both in unitary production, small scale production and / or great scale.

            Technical features:

• Precision class: II (high precision);
• Maximal operated piece diameter: 560 mm;
• Maximal operated piece length: 4000 mm;
• Maximal rectifying diameter:
  • In bezel: 350 mm;
  • No bezel: 560 mm.
• Minimal recommended diameter (with or without bezel): 40 mm;
• Maximal rectifying length: 3800 mm;
• Edge height over the table: 300 mm;
• Maximal allowed piece weight for:
  • Installation between edges: 3000 kg;
  • Operation between edges: 1500 kg.
• Maximal allowed piece weight for installation and operation in bezel: 3000 kg;
• Front dolly spindle cone and back dolly spindle: 1:20 metrical type AT 1;
• Front dolly spindle diameter: 80 mm;
• Rectifying spindle cone: 1:5 mm;
• Rectifying spindle diameter: 125 mm;
• Distance between machine bottom and operated piece axis: 1135 mm;
• Operated piece height: 520 mm;
• Maximal machine speed length: 4240 mm;
• Maximal superior table rolling angle:
  • Clockwise: 0^o30’;
  • Counter-clockwise: 6^o.
• Maximal rectifying dolly speed on bolt: 250 mm;
• Back dolly spindle speed: 100 mm;
• Spindle diameter: 120 mm;
• Machine dimensions:
  • length: 13070 mm;
  • width: 4020 mm;
  • height: 2450 mm.
• Total machine weight: 34300 kg;
• Operated piece operating capability (maximal operated piece weight x maximal operating piece pin diameter installed in bezel) (kg x mm): 3000 x 250;
• Minimal rectifying discus diameter: 500 mm.