Hob cutter

KOEPFER 173 b

Condition: excellent (used), Year of construction: 1988, functionality: fully functional, Technical Data Grinding/Workpiece Diameter: up to approx. 300 mm (partially up to 350 mm) Grinding Length/Stroke: approx. 550 mm (slide travel) Module range (for hobbing cutter resharpening): min. module approx. 0.5 to max. module approx. 25 Number of flutes: typically 1–99 pieces (depending on tool set) Grinding wheel diameter: approx. 150–300 mm Dkjdpsxtiunjfx Aa Het Grinding wheel speed: up to about 2,700 rpm Centre distance (workpiece spindle): typical range 400–800 mm Swivel/Pitch range: e.g. grinding wheel head swivel 0–15° Machine weight and space requirement: approx. 4.2–4.9 t weight; space approx. 3 × 2.6 × 2.3 m Electrical data: operating voltage e.g. 380 V three-phase, control 24 V, auxiliary voltage 220 V

Condition: excellent (used), Year of construction: 1988, TECHNICAL DATA. Max. clamping length: 90 mm Tool clamping height with tapered shank: 50 mm Tool clamping height with straight shank: 45 mm Max. helix angle: 45° Number of clamping positions: 1 to 99 Max. slide travel: 550 mm Max. grinding wheel diameter: 350 mm Min. grinding wheel diameter: 150 mm Grinding wheel speed (variable): up to 2700 rpm Djdpfjwwkacjx Aa Hjkt Swivel range of grinding spindle axis: 0° to 15° Grinding slide feed rate (variable): 0.05 to 16 mm/min (with 3rd and 4th axis: 0.05 to 8 mm/min) Workpiece spindle taper: ISO Taper No. 40 Grinding Wheel Data CBN and diamond cup grinding wheel: Ø200 mm → Min. DFF: 66 (3rd axis), 76 (4th axis) Ø250 mm → Min. DFF: 16 (3rd axis), 26 (4th axis) CBN-ES cone grinding wheel: Ø200 mm → Min. DFF: 50 (3rd axis), 60 (4th axis) Ø250 mm → Min. DFF: 0 (3rd axis), 10 (4th axis)

Condition: excellent (used), max. wheel diameter 130 mm gear width 180 mm max. module 2,5 min. module 0,3 turning speeds 140 - 900 U/min min. number of teeth 4 clamping length max. 200 mm Control Siemens Dksdjy Umizopfx Aa Het max. workpiece diameter 80 mm total power requirement 3,5 kW weight of the machine ca. 2,9 t dimensions of the machine ca. 1,8 x 1,6 x 1,9 m