» » Bernardo Cylindrical grinding machines URS 800 N
Bernardo Cylindrical grinding machines URS 800 N
The URS 800 N universal cylindrical grinding machine features an excellent range of standard accessories which includes an inside grinding device and a 2-axis position display. Designed predominantly for model and tool making, this model is popular for the production of small series.
|
Technische Spezifikationen
|
Distance between centers
|
800 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 -7°
|
|
Table longitudinal travel max.
|
850 mm
|
|
Table feed
|
0,1 bis 4 m/min
|
|
Man. table travel / hand turn
|
6 mm/rev.
|
|
Headstock
|
|
|
Spindle speed, stepless
|
25 – 380 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)
|
2900 x 1450 x 1700 mm
|
|
Weight approx.
|
2570 kg
|
Features
- Hydro-dynamically mounted main spindle, oil film prevents contact between spindle and bearing
- For conical grinding operations table can be tilted - scale allows precise adjustment to desired position
- Guideways in x- and y-axis are precisely polished and manually finished
- Longitudinal table guide and grinding spindle stock cross guide each feature V- and flat guiding
- Achieve smooth results at various grinding operations due to the precisely adjusted spindle head and solid grinding spindle stock
- Strong reinforcements and generously designed walls make the machine base resistant to temperature fluctuations and deformations
- Oil film between spindle and bearing keeps the vibrations to a minimum to achieve top results and high accuracy
- Longitudinal movement of table is either manual (by hand wheel) or automatic (by hydraulic feed)
- Stepless feed adjustment with selective programmable stop at end of each table movement
- Hydraulic or manual repositioning of grinding spindle stock
- Grinding spindle features bearings on both sides and adjustable sliding flat grids
- Swivelling spindle stock (up to 180°) for inside grinding operations
Standard accessories:
- 2-axis digital readout
- Grinding wheel
- Grinding wheel flange
- 3-jaw chuck 200 mm
- Frequency inverter
- Open rest
- Closed rest
- Inside grinding device
- LED machine light
- Balancing stand
- Balancing arbor
- 2 dead centers
- Coolant device
- Splash guard
- Grinding wheel dresser
- Workpiece carrier
- Tools
|
| |
| |
| |
| |
Customer reviews
Sorry, no reviews yet. Be the first to rate the product.
More articles in this category:
Customers who viewed this item also viewed:
