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Republic Lagun
Features  
Optional Accessories

 

SB<
 



American Turnmaster SB Series
Heavy Duty CNC Lathe Slant Bed

Outstanding Features
•60° slant bed construction ensures maximum stability and convenient chips disposal.
• Powerful spindle motor. High torque output as low speed is excellent for heavy duty machine.
• Fast tool change in only 1 second.
• Programmable tailstock for convenient operation
• Fully enclosed splash guard provides operation safety.
• Bed is made of Meehanite cast iron.

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SB Series Specifications


Standard Equiptment

• Head stock oil coolant system
• Turnable tailstock quill
• Tailstock power off safety device
• X & Z axes linear scale
• Hydraulic system
• Chip coneyor and chip cart


MODEL
SBS700
SBS790
SBS890
Capacity
Swing over bed
27”
(685 mm)
31”
(787 mm)

35”
(890 mm)

Swing over cross slide
21”
(535)
25”
(635 mm)
29”
(740)
Max. cutting diamter
27”
(685 mm)
31”
(762 mm)
35”
(890 mm)
Dist. Between Ctrs
28"
(700)
47"
(1200)
67"
(1700)
87"
(2200)
126"
(3200)
165"
(4200mm)
205"
(205)
Bed & Carriage

Bed width/Slant angle
47"(1200mm)/60°
Carriage bearing on bed way
32.67"(830mm)
Width of cross slide

15.74"(400mm)

Headstock

Spindle nose

A2-11
A2-15
A2-15
A2-20
A2-20
A2-28
A2-28

Spindle bore
6.02"
(153)
9.05"
(230)
10.03"
(255)
12.51"
(318)
14.17"
(360)
16.14"
(410)
21.06"
(535)

Spindle step

Auto 4 step
Spindle speeds 1  
1 range-rpm
20~140
16~120
13~95
14~100
12~85
10~75
8~60
2 range-rpm
38~280
30~200
25~185
26~180
23~160
18~110
15~95
3 range-rpm
95~550
70~420
60~400
60~350
55~300
45~250
35~200
4 range-rpm
200~1200
150~700
120~600
130~450
95~400
65~350
55~300
Spindle Internal taper
1/20
Turret

Standard tool post
Polgon Disc or VDI Dic
No of tool stations
12
Tool shank cross section
1.25"x 1.25"(32mm)
Tool shank diameter max.
2.5"60mm
Travel
Rapid travel
X-axis:26.24 ft/min (8 m/min) Z-axis: 32.8 (10 m/min)
Ball screw diameter
X-axis: 1.77"(45mm) Z-axis: 2.48" (63mm)
Tailstock
Quill type
Rotating live centers
Quill diameter
5.7"(145mm)
Quill Travel
7.87"(200mm)
Inner taper of quill
MT#6
Motor
Main Spindle motor
HP(Kw)
40/50HP(30/37Kw)-STD  50/60HP(37.5/45Kw)-OPT
X-axis servo motor
5.1HP (3.8Kw)
Y-axis servo motor
5.1HP (3.8Kw)
Hydraulic pump motor
5HP (3.7Kw)
Coolant pump motor
0.5HP (0.37Kw)
Controller
FANUC 18T-STD
Machine Weight
30in Center Distance
24200 lbs (11000kgs)
25080 lbs (11400kgs)
26000 lbs
(11800kgs)
Each extra 1100lbs weight
3300lbs (1500)

Copyright ©2005 Republic Lagun® Machine Tool Co.