Acra Lathes

Acra CTL-618E

FEATURES
* Computer-Controlled Servo Motor Linked Directly To The Leadscrew.
* Display Shows Spindle Speed, Cutting Feed Rate And DRO Functions
* Good for Pitch And Module Turning Processing Without Any Gears In Gearbox. Easy Exchange Of Inch And Metric System, Accuracy Goes Up To Three Digits After Decimal Point.
* Digital Data shows R.P.M. of Spindle And Tool Infeed To Let Operator Arrange Best Possible Turning Process Combination. Hand Scraped Turret-Column Ways
* Digital Data Shows Electric Current For Easy Checking Overload Turning.
* Rapid Retract Function Available For Shortened Pitch Module Turning Processing Time.
* The Lead Screw Is Driven Directly By Servo- Motor. Through Operation Of Interface, A Spindle Decoder Is Used To Transfer The Motion Of Lead Screw To Rectilinear One. The L.C.D Touch Pad Showing The Data Is Applied To Control.
* Rapidly Returning To The Origin Is Executed According To The Principle Of Temporarily Coming Off The Tracking Mode.
* Feeding Rate Per Minute Of Auto Feed Is Calculated With MODBUS Communication Protocol Interior Message Data Of The Converter, So That User s’ Cutting Precision Is Available Much Easily And Greatly.


SPECIFICATIONS

CTL-618E

Spindle Capacity

With Chuck

150 mm(6") 

With Expanding Collets

76 mm (3" )

With Round 5C Collets

27 mm (1-1/16") 

With Hexagon 5C Collets

22mm (7/8")

With Square 5C Collets

19mm (3/4" )

With Step Chucks

27 ~ 152mm(1-1/16 ─ 6") 

Spindle Nose Diameter

Ø55.5mm (Ø2-3/16")

Spindle Nose I.D/O.D

5C (10¢X)  /  4¢X Taper

Spindle Speeds (Variable)

0-4000 R.P.M.

Inverter Spindle Motor

5 HP

Hole Through Spindle

31.75mm (1-1/4")

Bar stock diameter (5C collet)

Ø27 mm (Ø1-1/16")

Distance Between Centers

457mm(18")

Swing Over Bed

280mm (11")

Swing Over Carriage

230mm (9")

Swing Over Cross Slide

152.4mm (6")

Carriage Power Feed Range

5~102mm (3/16"~4")

Cross Slide Power Feed Range

8~178mm (5/16"~7")

Cross Slide Travel

152mm (6")

Quick-action Compound Slide Travel

2.5mm (0.1")

Compound Slide Travel

76mm (3")

Coolant Pump

1/8HP,220V,3PH

Feed Motor

Inverter 1/2 HP

Tailstock Spindle Travel

95mm (3-3/4")

Range of Threads in Gear Box

0.2~10 mm (4~120 per inch)

Number of Thread Changes

-

Net Weight (approx)

1000 kgs ( 2200 lbs.)

Gross Weight (approx)

1100 kgs ( 2400 lbs.)

Machine dimensions (LxWxH)

 1850x750x1700mm(73"x30"x67")