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Lathes CNC Hollow Spindle 9″ – 30″Bore , 50″- 60″ Swing, SB Series
SB Series

CNC

Slant Bed

Lathes CNC Hollow Spindle 9" - 30"Bore , 50"- 60" Swing, SB Series

01

MACHINE INTRO

A Hollow Spindle CNC Lathe

Technical Info
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02

MACHINE features

* The quill is heat treated and precisely ground.
* Internal taper of quill to suit MT#6 dead center or live centre
* Turcite B anti friction material is applied on cross slide and carriage for reduce friction.
* X and Z axis ballscrews are protected by covers to prevent ingress of swarf / chips and coolant.

STANDARD FEATURES

One piece bed, 60° slant bed construction ensures maximum stability and convenient chip disposal
All gears in the headstock are hardened and precisely ground
Spindle speed ranges are automatically changed by M code
Tool change are commanded by T code


Alloy steel spindle with opposed taper roller bearings
Automatic ranges of spindle speed through pneumatic gear shift
Infinitely variable speed are commanded by S code
Auto lubrication system is equipped for headstock, carriage, and cross-slide

03

Standard description

Megabore, heavy duty slant bed, SB Series

ITEM

UNIT

SB-50

SB-55

SB-60

CAPACITY
Centre height mm (in.) 765 (30.11) 845 (33.26) 925 (36.41)
Swing over bed mm (in.) 1095 (43.11) 1180 (46.45) 1265 (49.8)
Swing over cross slide mm (in.) 1025 (40.35) 1110 (43.7) 1195 (47.04)
Distance between centres mm (in.) 700 (27), 1200 (47), 1700 (67), 2200 (86)
3200 (126), 4200 (166), 5200 (206)
BED
Width / Slant angle mm (in.) / deg 1730 (68.11) / 60°
CARRIAGE
Width of cross slide mm (in.) 600 (23.62)
TURRET
Standard tool post Polygon Disc / VDI disc
No. of tool stations V12 / V8;V12
Turning Tool Size mm (in.) 32 x 32 (1.25)
Boring Tool Size(max.) mm (in.) 63 (2.5)
TRAVEL
Cross slide(X axis) travel mm (in.) 630 (24.8)
Longitudinal(Z axis) travel mm (in.) 700 (27), 1200 (47), 1700 (67), 2200 (86)
3200 (126), 4200 (166), 5200 (206)
Cutting feed rate mm(in.)/rev X axis : 0.001~250(0.00004~9.84) ; Z axis : 0.001~400(0.00004~15.75)
Rapid travel M.(Ft.)/min X axis : 6(19.68) ; Z axis : 6(19.68)
Ballscrew diameter mm (in.) X axis : 50(1.96) ; Z axis : 80(3.14)
TAILSTOCK
Quill type Built-in type, Rotating tailstock quill
Quill diameter mm (in.) 235(9.25)
Quill travel mm (in.) 200(7.87)
Internal taper of quill MT#6
MOTOR
Headstock oil refrigerator 18,000BTU(4,500Kcal)
Main spindle KW(HP) 30/37(40/50)-STD. ; 37.5/45(50/60)-OPT.
Axis servo KW(HP) X axis : 7(9.387) ; Z axis : 7(9.387)
Hydraulic tank KW(HP) 3.7(5)
Coolant pump KW(HP) 1.05(1.4)
Controller FANUC 0i-TF series-STD ; FANUC 31i-B series / Other required-OPT.

Note :
(1) X and Z axes actual cutting diameter will change when equipped with different turrets.
(2) Specifications are subject to change without notice for improvement

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