Technology for the World KURAKI

CNC Horizontal Boring & Milling Machine  KBT-15MAX / KBT-15HMAX

Boring spindle diameter:150mm Spindle speed:2500min-1 Table size:2400×2800mm Table maximum loading capacity:30000Kg

Besides large workpiece machining, our ram spindle machine boasts KURAKI’s strongest rigidity

  • Employment of a ram spindle enables both spindle head and boring spindle to move together and improves accessibility to the workpiece
  • Capable of various customizations to meet your requirements.
Model Name--KBT-15MAXKBT-15HMAX
StrokeX axis travel
(table longitudinal)
(mm (inch)) 4000(157.48)/
5000(196.85)/
6000(236.22) ※1
4000(157.48)/
5000(196.85)/
6000(236.22) ※1
Y axis travel
(spindle vertical)
(mm (inch)) 3000 (118.11)/
4000(157.48) ※1
3000 (118.11)/
4000(157.48) ※1
Z axis travel
(column cross)
(mm (inch)) 1600 (62.99)/
2000 (78.74) ※1
1600 (62.99)/
2000 (78.74) ※1
W axis travel
(spindle axial)
(mm (inch)) 700(35.43) 900(35.43)
V axis travel
(spindle head cross)
(mm (inch)) -750(29.53)
Distance from table top to spindle center (mm (inch)) 0~3000 (0~118.11)/
4000 (157.48)
0~3000 (0~118.11)/
4000 (157.48)
Distance from table center to spindle nose(mm (inch)) 400~2750 (15.75~108.27)/
3150 (124.02)
400~2750 (15.75~108.27)/
3150 (124.02)
TableTable work space(mm (inch)) 2400×2800(94.49×110.24) 2400×2800(94.49×110.24)
Table maximum loading capacity(kg (lbs)) 30000(66000) 30000(66000)
Table top profile22mm (0.87inch) 11T slots 22mm (0.87inch) 11T slots
Table auto.indexing(deg)0.001(every 90°index. by locate pin) 0.001(every 90°index. by locate pin)
Spindle HeadBoring spindle diameter (mm (inch)) 150(5.91) 150(5.91)
Spindle speed(for every 1min-1) 5~25005~2500
Spindle speed change range (step) 33
Spindle taperBBT50(BIG-PLUS Dual contact spindle system) ※2BBT50(BIG-PLUS Dual contact spindle system) ※2
FeedRapid traverse[X・Y・Z]
(m (inch) /min)
8(314.96) 8(314.96)
[V・W]
(m (inch)/min)
6(236.22) 6(236.22)
Feedrate[X・Y・Z]
(mm (inch)/min)
1~4000 1~4000
[V・W]
(mm (inch)/min)
1~4000 1~4000
Table revolution[B] (min-1)0.750.75
※1 Select your X-, Y-, & Z-axis travels as you wish.
※2 BIG-PLUS is a trademark registered by BIG DAISHOWA SEIKI CO LTD.

For other options, please view our catalog.