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

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

 

* One piece bed, 60° slant bed construction ensures maximum stability and convenient chip disposal.
* Alloy steel spindle with opposed taper roller bearings.
* All gears in the headstock are hardened and precisely ground.
* Automatic ranges of spindle speed through pneumatic gear shift.
* Spindle speed ranges are automatically changed by M code.
* Infinitely variable speed are commanded by S code.
* Tool change are commanded by T code.
* Auto lubrication system is equipped for headstock, carriage, and cross-slide.
* Precision tapered roller bearings are equipped on the spindle and the quill.
* 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.

 

BED WIDTH : 1730mm (68.11″)

SB series SB-50 SB-55 SB-60
Swing over bed 1,095mm 1,180mm 1,265mm
Swing over cross slide 1,025mm 1,110mm 1,195mm
Distance between centers 700mm to 1700mm in 20″ increments
2200mm to 5200mm in 40″ increments
Spindle nose A2-15~A2-40
Spindle bore 9″~30″
Spindle motor Standard-40HP ; Option-50HP
Controller FANUC / FAGOR / SIEMENS

 

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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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