ZIERSCH UND BALTRUSCH URS400 Ergonomy Internal and external cylindrical grinding machine

Centre height: 100 mm
Centre width: 400 mm
Grindable length - max. table stroke: 320 mm
Max. Weight between the tips: 20 kg
Max. Workpiece diameter, depending on weight: 198 mm
Power consumption: 6 kW
Longitudinal table:
Travel: max. 320 mm
Travel per handwheel rotation: 15 mm
Graduation of the handwheel: 0.1 mm
Fine adjustment of the handwheel: 0.01 mm
Hydraulic speed, infinitely variable: 0 - 5 m/min
Hold indicator for reversing, infinitely variable: 0 - 4 s
Max. Table adjustment: +10/-4°
Minimum reversal: 3 mm
Cross slide:
Travel with feed handwheel: 25 mm
Travel per handwheel rotation: 1 mm
Infeed one graduation mark of the handwheel: diameter 0.02 mm
Infeed one graduation micro infeed: diameter 0.002 mm
Infeed for plunge-cut grinding, infinitely variable: 0 - 10 mm/min
Hydraulic infeed with each table reversal: 0.001 - 0.025 mm
Hydraulic rapid feed and return: 30 mm
Max. automatic hydraulic infeed: diameter 1.8 mm
Swivel range:
To the workpiece headstock at 25°
The tailstock to 40°
Workpiece headstock:
Speeds, infinitely variable: 90 - 900 rpm
Inner cone of the spindle: Morse 4
Swivel range of the grinding wheel to 90°
20° for the operator
Rotational speeds of the grinding spindle: 1800 - 1970 - 2173 rpm
Grinding wheel:
Largest grinding wheel diameter: 350 mm
Smallest grinding wheel diameter: 250 mm
Width of the grinding wheel: max. 50 mm
Bore diameter of the grinding wheel: 127 mm
Rotation speed: 33 m/min
Tailstock:
Inner cone of the quill: Morse 3
Quill movement: 15 mm
Internal grinding speed: approx. 22000 rpm
With technical documentation as shown in the pictures Accessories: various Centres, grinding wheels, holders, collets, a measuring control from the manufacturer MARPOSS and other accessories