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  • Spindle with automatic speed shifting (3 steps) and CNC control for enhanced efficiency.
  • All castings are made of high-tensile Meehanite cast iron, annealed to eliminate internal residual stress for durability.
  • Wide bed with box construction; bed ways are high-frequency heat-treated and precision-ground to ensure stability during high-speed operations or deep cuts.
  • Spindle and gears are crafted from CR-MO alloy steel, carburized, precisely ground, and equipped with forced lubrication and oil bath within the headstock for extended service life.
  • Spindle supported by three-point bearings: two tapered roller bearings and one roller bearing for superior accuracy and rigidity.
  • Equipped with high-precision ball screws for precision machining.
  • Offers CNC and manual operation modes for versatile usage.
  • Includes tool radius and geometry compensation for accurate machining.
  • Features constant surface speed for models with infinite variable speed capabilities.
  • 8-bit bus architecture with 32K RAM for optimal performance.
  • Serial port (RS-232 communication) for easy data exchange.
  • Teach-in mode available for simplified programming.
  • Supports semiautomatic, automatic (cycle), and part program modes.
  • Rapid travel functionality for increased productivity.

Description\MODEL

Unit

AC-1840

AC-1860

AC-1880

CAPACITY

 

 

Center height

mm

230

Swing over bed

mm

460

Swing over gap

mm

640 (opt.)

Swing over cross slide

mm

230

Dist. Between center

mm

1000

1500

2000

Bed width

mm

350

SPINDLE

 

 

Spindle bore

mm

56 (2”)

Spindle nose

D1-6

Spindle speeds

rpm

H : 681~3100

M : 153~680

L : 33~152

TRAVEL

 

 

Cross slide travel X-axis

mm

280

Longitudinal travel Z-axis

mm

810

1310

1810

Ball screw ( Dia. X pitch)

mm

X: Φ25 x P5

Z: Φ40 x P10

FEED RATE

 

 

 

X-axis rapid travel

M/min

5

Z-axis rapid travel

M/min

7

TAILSTOCK

 

 

Quill dia.

mm

Ø75

Quill travel

mm

170

Quill inside taper

MT# 5

MOTOR

 

 

Spindle motor

HP

7.5  /  10 (opt.)

X-axis drive motor

Nm

6.3

Z-axis drive motor

Nm

6.3

Coolant pump motor

HP

1/6

WEIGHT

 

 

Net weight

kg

2900

3200

3500

      

NOTE :

We have the right to modify the specifications or designs. if there are subjected to change, without

prior notice.

Standard Accessories

  • Fagor control
  • Main spindle 2 steps speed auto Change
  • by CNC Control
  • Coolant equipment
  • Lubricate equipment
  • Work light
  • Center sleeve
  • Dead center
  • Tool box & tools
  • Operation & Service Manual

Optional Accessories

  • Fanuc & Siemens Control on request
  • 3-Jaw manual chuck
  • 4-Jaw manual chuck
  • 3-Jaw hydraulic chuck
  • Manual toolpost (4T)
  • Electric servo toolpost (H4)
  • Electric turret (V8)
  • Hydraulic turret (V8)
  • C axis (Living tool)
  • Steady rest
  • Follow rest
  • Boring attachment
  • Double chuck system
  • Rotating center
  • Hydraulic tailstock
  • Chip conveyer
  • Heat exchanger
  • Spindle oil cooler
  • Tailstock type: Build in type quill