Model

AC-2660 / AC-2680 / AC-26120 / AC-26160/ AC-26200

Spindle Bore

85 mm (3")

105 mm (4") opt

Height of Centers

335 x 1600 / 2100 / 3100 / 4100 / 5100 mm

Spindle Speeds
(rpm)

H: 2250 - 491
M: 490 - 126
L: 125 - 27

H: 1500 - 331
M: 330 - 93
L: 92- 20

•

FAGOR Control is standard, but ANILAM, FANUC & SIEMENS Control is available on request.

•

Spindle auto speed shifting (3 steps) and CNC controlling

•

All casting are made of high tensile meehanite cast iron which are annealed treatment to eliminate internal residual stress

•

Wide bed and box constructed, bed ways are high frequency heat treated, precision ground etc., to provide stability at high speed running or deep cut

•

Spindle & gear are made of CR-MO alloy steel which are carburizing & precisely ground, forced lubricating & oil bathed combined in headstock which can be prolonged servicing life

•

Three point support on the spindle with two taper roller bearings and one roller bearing to assure the accuracy & rigidity.

•

AC-2600 (spindle bore 85mm) series with hi-spindle speed 2250 rpm

•

Without gap bed

•

High precision ball screw

•

CSS available

•

Heavy duty tailstock

•

V-8 turret tool post on request

•

Electric 4-Way tool post on request

•

External spindle cooling system on request

•

Double chuck system on request

•

External DNC communication software

•

Tailstock spindle dia. 105 mm

Model \ Description

AC-2660

AC-2680

AC-26120

AC-26160

AC-26200

Working Capacity

Swing over bed

670 mm

Center height

335 mm

Swing over cross slide

400 mm

Dist. between centers

1600 mm

2100 mm

3100 mm

4100 mm

5100 mm

Width of bed

450 mm

Headstock

Spindle speeds (rpm)

Spindle nose

Spindle bore

Saddle

Longitudinal travel (Z-axis)

1500 mm

2000 mm

3000 mm

4000 mm

5000mm

Cross slide travel (X-axis)

450 mm

Ball screw ( Dia. x pitch)

X: 28x5 mm , Z: 50x10 mm
Z: 63x10 mm (B.C.D. 4100~5100mm)

Tailstock

Spindle dia.

105 mm

Spindle travel

220 mm

Taper in spindle

MT#5

Motor

Spindle motor

AC 15 HP / 20 HP (opt)

Z-axis drive motor

11.6 NM / Pitch 10 mm 1:2

X-axis drive motor

6.3 NM / Pitch 5 mm 1:1

Coolant pump motor

1/4Hp

X/Z Feeds

Z-axis rapid travel

7 m/min

X-axis rapid travel

5 m/min

Machine Weight

N.W. (Approx.)

4100 kgs

4600 kgs

5600 kgs

6600 kgs

7600 kgs

•

CNC & Manual operation

•

Three steps speed range and vari-speed in stepless, but H-M-L speed range change
which controlled by CNC

•

Run first component manually and then the rest automatically

•

Metric threading

•

Easy manual turning of radial, chamfering, taper, facing and grooving

•

Tool radius & geometry compensation

•

Internal digital readout

•

Constant surface speed for model with infinitive variable speed

•

Integrated PLC

•

8 bit bus, 32K RAM

•

Serial port (RS-232 communication)

•

Teach-in mode

•

Semiautomatic, automatic (Cycle) and part program modes

•

Automatic acceleration/deceleration

•

Rapid travels

•

Self diagnostic routines

•

Automatic home searching

•

Program input RS-232

•

Tailstock spindle dia. 105 mm