The BZ 70 H gear grinding machine is another innovation of Burri. The machine is designed for very small planet gears and sun gears. Due to the mini grinding worm, very short clamping equipment can be used. The horizontal design allows very fine adjustment of the tailstock center. Two synchronous workpiece spindles eliminate the unstable rotating tailstock centers and guarantee a very effective workpiece driving. The BZ 70 H is the first non-hydraulic gear grinding machine and therefore also the most energy-efficient on the market. It can be configured with or without a loading system.
BZ70H General Specifications
Workpiece Diameter Minimum 0 mm 0.0000 Inch
Workpiece Diameter Maximum 70 mm 2.7559 Inch
Module Minimum 0.3 mm 84.6667 DP
Module Maximum 2 mm 12.7000 DP
Helix Angle ±35 Degrees
Workpiece Overall Length 150 mm 5.9055 Inch From Table to Tailstock
Workpiece Weight Maximum 0.5 kg 1.1023 Lbs.
Workpiece Speed Maximum 4000 RPM
Grinding Pass Length 150 mm 5.9055 Inch
Grinding wheel speed 80 m/sec 262.4672 ft/min
Grinding Wheel Max Diameter 120 mm 4.7244 Inch
Grinding Wheel Max Width 120 mm 4.7244 Inch
Dressing Disc Diameter Minimum 120 mm 4.7244 Inch
Dressing Disc Diameter Maximum 140 mm 5.5118 Inch
B&R Controls and Servo's
Remote Diagnostics
Conversational Programming
Manual or Gantry Load
Optional Part Stocking Magazine
Generative Gear Grinding
Twin Synchronized work spindles for ultimate accuracy
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