LB-EX Series0 pages
LB2000 EX (L)
LB2500 EX (L)
LB3000 EX (L)
LB4000 EX (L)
COLUMN
DISTANCE
300
300
500/1000
750/1500
SPEC
LINEUP
LB-EX Series
M/W/MW/MY
M
M/W/MW/MY/MYW
M/MY
ITEM
UNIT
CAPACTIY
Swing over bed/cover
mm (in.)
ø580 (22.83)
ø580 (22.83)
ø580 (22.83)
ø670 (26.38)
Saddle
mm (in.)
ø470 (18.50)
ø470 (18.50)
ø470 (18.50)
ø480 (18.90)
mm (in.)
ø430 (16.93)
ø410 (16.14)
ø410 (16.14)
ø480 (18.90)
300 (11.81)
150 (5.91)
500 (19.69)
750 (29.53)
Max machining dia
MOTORS
RAPID
TRAVERSE
TAILSTOCK
TURRET
MAIN SPINDLE
TRAVELS
Max machining length
mm (in.)
X axis
mm (in.)
260 (10.24)
260 (10.24)
260 (10.24)
300 (11.81)
Z axis
mm (in.)
390 (15.35)
350 (13.78)
565 (22.24)
840 (33.07)
Tailstock
mm (in.)
415 (16.34)
–
515 (20.28)
780 (30.71)
ø140 flats (JIS A2-6)
JIS A2-6
JIS A2-6 (JIS A2-8)
JIS A2-8 (JIS A2-11)
Thru hole/bearing dia
mm (in.)
62 <80>/100 <120>
(2.44 <3.15>/3.94 <4.42>)
80/120
(3.15/4.72)
80 <91>/120 <140>
(3.15 <3.58>/4.72 <5.51>)
91 <112>/140 <160>
(3.58 <4.41>/5.51 <6.3>)
Spindle speeds
min-1
50~6,000
45~5,000>
<
45~5,000
45~5,000
42~4,200>
<
42~4,200
30~3,000>
<
Spindle nose
V12
V12
V12
V12
20/ø32 (3/4/ø1.26)
25/ø40 (1/ø1.57)
25/ø40 (1/ø1.57)
25/ø40 (1/ø1.57)
0.1
0.1
0.1
0.2
Type
Tool shank height/ID
mm (in.)
Indexing time
sec.
MT 4
–
MT 5
MT 5
MT 3
–
MT 4
MT 4/5
70 (2.76)
–
90 (3.54)
100 (3.94)
X: 25 Z: 30 (984, 1181)
X: 25 Z: 30 (984, 1181)
X: 25 Z: 30 (984, 1181)
X: 25 Z: 30 (984, 1181)
Revolving center bore
Built-in center bore
min-1
Quill dia
mm (in.)
X, Z
m/min (ipm)
Main spindle
kW (hp)
22/15 [30/22] (30/20 [40/30])
22/15 [30/22] (30/20 [40/30])
22/15 [30/22] (30/20 [40/30])
30/22 (40/30)
Axis drives
kW (hp)
X: 2.8, Z: 3.5 (3.8, 4.8)
X: 2.8, Z: 3.5 (3.8, 4.8)
X: 2.8, Z: 3.5 (3.8, 4.8)
X: 3.5, Z: 4.6 (4.8, 6.3)
Coolant pump (side/rear)
kW (hp)
0.25/0.8 (0.34/1.09)
0.25/0.8 (0.34/1.09)
0.25/0.8 (0.34/1.09)
0.25/0.8 (0.34/1.09)
mm (in.)
1,839 (72.40)
1,839 (72.40)
1,839 (72.40)
1,955 (76.97)
mm (in.)
1,855 x 1,734
(73 x 68)
1,570 x 1,734
(62 x 68)
2,200 x 1,734
(87 x 68)
3,050 x 1,900
(120 x 75)
Weight
SIZE
Height
Floor space
kg (lb)
3,200 (7,040)
3,000 (6,600)
4,000 (8,800)
6,200 (13,640)
L: standard turning, M: milling, W: sub-spindle, Y: Y axis
[ ]: High-power motor, < >: Big bore
Figures in the table are standard (L) specifications for each model.
Please refer to the product brochure for larger machine capacities and lengths.
www.okuma.com
Revised: July 22, 2012
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