Grinding Machines BUA 25B PRACTIC, PROFI

 The high-performance grinding machines of BUA series (Practic and Profi versions), BUB series (Practic, Profi and Multi versions) and BUC series (Practic, Profi and Multi versions) are designed for precise grinding of several external cylindrical surfaces of different diameters, their adjacent faces and transition radii on work pieces. In another version, they are suitable for grinding of internal cylindrical and tapered surfaces, and surface grinding of their adjacent faces. In its basic version, the grinder can be used for plunge-cut grinding or longitudinal grinding, with a fixed or oscillating table, successive plunge cutting with subsequent traverse regrinding.
 

Technical data

Swing diameter mm: 250, 315 *)
Distance between centres mm: 500, 750, 1,250
Maximum weight of work piece kg: 250
Live spindle grinding, including fixture kg: 50
Grinding wheel dimension mm: 400 x 40 x 127
Max. peripheral speed of grinding wheel m/s: 50
Work head spindle revolutions rpm: 20 – 800
Wheel head swiveling range (manual), (Practic, Profi): +45 ÷ -15
Work head swiveling range (manual): 0 ÷ +90
Table swiveling with a centre distance of (mm): 500 ° +10°30' ÷ -6°
750 ° +9 ÷ -5°
1,250 ° +6°30' ÷ 3°30'
Electrical network – standard: 3 x 400 v, 50Hz, TN-C-S
Wheel head motor power kW: 5,5 S6 – 60%
Total peak power demand of machine kVA: 18
Tolerance of work piece diameter IT: 4
Weight of machine with standard accessories with centre
distance of (mm): 500 kg 3,650
750 kg 3,950
1,250 kg 4,250
BUA 25 B PRACTIC, PROFI
Specification *) other