BHM 50 2000 CNC
BHM 50 2000 CNC
BHM 50 2000 CNC
BHM Cylindrical grinder has a manually rotating grinding wheelhead that can be rotated in the range of +30/-180 degrees. Grinding wheel or combination of grinding wheel and internal grinding attachment can be placed on this wheelhead. Grinding of face surfaces can be performed by the side of grinding wheel or its circumferential surface using grinding wheelhead swivel.
Highlights
Technical Info
| Parameters | Units | Design version |
|---|---|---|
| Working range | ||
| Swing diameter | mm (in) | 500 (19,7) / 600 (23,6) |
| Distance between centers | mm (in) | 1000 (39,4) / 1500 (59) / 2000 (78,7) / 3000 (118,1) |
| Max. weight of workpiece – between centres | kg (lb) | 1200 (2646) |
| Max. weight of workpiece – between centres (in rests) | kg (lb) | 1500 (3306) |
| Max. weight of workpiece – with live spindle (incl. clamp) | kg (lb) | 120 (268) / 250 (550)* |
| Grinding unit – X Axis | ||
| Minimum programmable in-feed | mm (in) | 0,0005 (0,00002) |
| Maximum speed | m.min-1 (in/min) | 8 (0,31) |
| Table – Z Axis | ||
| Minimum programmable table feed | mm (in) | 0,001 (0,0004) |
| Maximum speed | m.min-1 (in/min) | 8 (0,31) |
| Grinding wheel head | ||
| Grinding wheel dimensions (dia. × width × bore) | mm (in) | Ø 500 × 80 × Ø 203 (Ø 19,7 × 3,1 × Ø 8) |
| Diameter of worn-out wheel | mm (in) | Ø 380 (Ø 15) |
| Maximum grinding wheel width | mm (in) | 125 (4,9) |
| Grinding wheel peripheral speed | m/s | 10 – 50 |
| Wheel head swivel (manually) | ° | +30 / –180 |
| Wheel head motor power | kW (hp) | 15 (20) |
| Other specifications | ||
| Length of machine | mm (in) | 5100 (200,8) / 7400 (291) / 8300 (327) / 10000 (394) |
| Width of machine | mm (in) | 3900 (154) |
| Height of machine | mm (in) | 2400 (95) |
| Weight of machine | kg (lb) | 8500 (18739) / 10000 (22046) / 12000 (26456) / 14000 (30865) |
| Control system | – | Siemens 828D sl / SINUMERIK ONE / B&R / Fanuc |
| Drives | – | Sinamics |
| Ball screws | – | KSK Kuřim |
| Cooling and filtration | – | Astos Aš / UMT LEHMANN |
| Lubrication | – | Tribotec |
| Pneumatic equipment | – | FESTO |
| Machine working accuracy according to ISO 2433 (depends on grinding material & technology) | ||
| Machine working accuracy (without in-process gauge) | – | IT 4 |
| Surface roughness | Ra | 0,2 (0,05) |
| Roundness of workpiece | mm (in) | 0,002 (0,0001) |
*special or HD machine version
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