Bernardo Cylindrical grinding machine URS 3000 N incl. 2-axis digital readout ES-12 H

Art. No.: 05-1385XL

€72190.00

When conical grinding, the table can be swivelled to either side and exactly positioned by using the scale
Oil film between bearing and spindle keeps vibrations at a minimum level, hence achieving outstanding results and top accuracy
Precisely balanced spindle head and solid grinding head guarantees extraordinary results at any type of operation
Strong reinforcements and solidly designed walls of the machine base makes it resistant to temperature fluctuations and deformations
Spindle is mounted from both sides and features adjustable sliding bearings consisting of three segments
Hydrodynamic bearing of spindle, therefore no contact between spindle and bearing
Longitudinal table feed can be set to automatic mode - hydraulically driven or manual mode - by handwheel
Stepless feed adjustments with selective programmable hold time at the end of each table movement
Longitudinal table guide and cross guide of grinding headstock each feature a V-guide and flat guide
Hydraulic or manual repositioning of grinding spindle stock
Guideways in x- and y-axis are precisely constructed and hand-polished

Distance between centers	3000 mm
Center height	180 mm
Outside grinding diameter	8 - 320 mm
Max. workpiece weight	150 kg
Inside grinding diameter with rest	35 - 100 mm
Inside grinding diameter without rest	30 - 100 mm
Inside grinding depth max.	125 mm
Table tilting range max.	+3 to -2°
Table longitudinal travel max.	3100 mm
Table feed	0,1 - 3 m/min
Man. table travel / hand turn	6 mm
Headstock
Spindle speed, stepless	25 - 220 rpm
Spindle taper	MT 4
Tilting range spindle	+90°
Grinding headstock
Sanding disc	500 x 50 x 203 mm
Spindle speed	1330 rpm
Speed inside grinding spindle	10000 rpm
Tilting range grinding headstock	+/- 30°
Travel of grinding head	200 mm
Scale division	0,0025 mm
Rapid feed, hydraulic	50 mm/min
Tailstock
Taper of tailstock sleeve	MT 4
Travel of tailstock sleeve	30 mm
Motor power
Sanding spindle	7,5 kW
Working spindle	1,5 kW
Inside grinding spindle	1,1 kW
Machine dimension (W x D x H)	7400 x 2000 x 2000 mm
Weight approx.	8000 kg