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Crono 4 <

 

Geminis Series - Crono 4
Heavy Duty Horizontal Lathe


Standard Equipment:
• Digital CNC.
• Teleservice.
• Hydraulically activated automatic chuck.
• Tailstock with programmable movement through automatic connection with the slide, automatic and irreversible blocking.
• Automatic movement of the tailstock’s quill.
• 12 station automatic turret.
• Slides are on protected linear roller ways.
• Main spindle with high precision and high speed bearings lubricated for life Automatic central lubrication.
• Chip conveyor.

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Crono 4 Specifications
Heavy Duty Lathe


Optional Equiptment:

• Automatic 12 position turret for static and rotating tools + Y axis.
• C axis.
• Portable manual-assembly probe for tool adjustment.
• Automatic positioning probe for tool adjustment.
• Self-centring one or two-piece hydraulic steady rests.
• Safety coupling for X and Z axes.
• Oil mist filtration system.
• Oil / Coolant separation system.
• Coolant wash gun.
• Tailstock drilling system.
• Front door with automatic opening and closing.
• Bar loading system.


MODEL
4 F
4 Z
4 S
Capacity
Swing over bed
26”      (660 mm)
Max. turning dia.
17.1/2”    (445 mm)
Work length
40”        ( 1 M )
80”         ( 2 M )
Head stock & Main Spindle
Spindle nose
Standard: A – 8       ( opt. A – 11 )
Spindle bore
Standard: 4” (110 mm) 
Hydraulic power chuck
Standard: 12”
(304.5 mm);
Option 16” (400 mm)

Range of spindle speed

2 SPEED RANGE

 0 – 2000 RPM    

0 – 2600 RPM      

  0 – 650 RPM

0 – 3350 RPM
No. of spindle speed
Infinitely variable
Cross slide & Carriage
Longitudinal travel (Z-axis)
44”   (1100 MM)
83”     (2100 MM)
Cross slide travel (X-axis)
(320 mm )                12 ½”
Rapid traverse speed (X-axis)
        (25 M/min.)         
1000 IPM
Rapid traverse speed (Z-axis)
(30 M/ min )         
1200 IPM
Programmable Tail stock
Quill diameter
                    (120 mm)                4 ¾ “    
Quill stroke
            (130 mm)                5”
Taper of center
MT # 5
Main spindle (100 % duty)
37 HP                             
37 HP            
27 HP
Main spindle ( 60 % duty )
  46 HP      
46 HP
   33  HP
Hydraulic oil pump
2 hp
Cooling pump
1 hp

Tool turret cnc controlled

Rotating tool OPTIONAL

12 position  # 40 VDI tool system

3 TO 7 hp 6 stations

Tank Capacity
Hydraulic tank
12.1 gallons (55 liters)
Coolant tank
44 gallons ( 220 liters)
Measurement   
  40” CENTERS          
           80” CENTERS
Floor space(L x W)
233” X 74”
272” X 74”
Total high
83”
Net weight
19800 LBS.
23100 LBS.

Copyright ©2005 Republic Lagun® Machine Tool Co.