wet and dry grinding machine

Name: Bernardo Cylindrical grinding machines URS 500 N
Brand: Bernardo
SKU: 05-1370
Price: 28080 EUR
Availability: InStock

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Bernardo Cylindrical grinding machines URS 500 N

The URS 500 N universal cylindrical grinding machine is suitable for outside grinding operations up to 200 mm in diameter. The machine comes complete with an inside grinding device to increase the application range significantly. Most commonly this model is used in machine construction, tool and mould shaping and in the production of small series.

Technische Spezifikationen

Distance between centers	500 mm
Center height	135 mm
Outside grinding diameter	8 – 200 mm
Max. workpiece weight	60 kg
Inside grinding diameter	13 – 100 mm
Inside grinding depth max.	125 mm
Table tilting range max.	+3° to -9°
Table longitudinal travel max.	600 mm
Table feed	0,1 bis 4 m/min
Man. table travel / hand turn	6 mm/rev.
Headstock
Spindle speed, stepless	25 – 220 rpm
Spindle taper	MT 4
Tilting range spindle	90°
Grinding headstock
Sanding disc	400 x 50 x 203 mm
Spindle speed	1670 rpm
Speed inside grinding spindle	20000 rpm
Tiltange range grinding headstock	+/- 30°
Travel of grinding head	200 mm
Scale division	0,005 mm
Tailstock
Taper of tailstock sleeve	MT 4
Travel of tailstock sleeve	35 mm
Motor power
Sinding spindle	4,0 kW
Working spindle	0,75 kW
Machine dimension (W x D x H)	2150 x 1450 x 1700 mm
Weight approx.	2170 kg

Features

Table can be tilted for conical grinding operations and scale allows adjustment to desired position
Spindle stock can be swivelled 180° for inside grinding operations
Main spindle is mounted hydro-dynamically – oil film prevents contact between spindle and bearing
Longitudinal table guide and grinding spindle stock cross guide feature V- and flat guiding each
Strong reinforcements and generously designed walls make the machine base resistant to temperature fluctuations and deformations
Oil film between spindle and bearing reduces the vibrations to a minimum to achieve top results and high accuracy
Stepless feed adjustment with selective programmable stop at end of each table movement
Precisely adjusted spindle head and solid grinding spindle stock to achieve top processing results at various grinding operations
Precisely polished and manually finished guideways in x- and y-axis
Hydraulic or manual resetting of grinding spindle stock
Longitudinal movement of table is either manually by handwheel or automatically by hydraulic feed
Grinding spindle features bearings on both sides and adjustable sliding flat grids