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Product Code:
AC-2600

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Available Options

Model

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

Spindle Bore

85 mm (3")

105 mm (4") opt

153 mm (6") 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

H: 800 - 176
M: 175 - 53
L: 52-10

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

 

Specifications

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)

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

H: 1500 - 331
M: 330 – 93
L: 92- 20

H: 800 - 176
M: 175 - 53
L: 52- 10

Spindle nose

D1-8

A2-11

A2-11

Spindle bore

85 mm (3")

105 mm (4") (opt.)

153 mm (6") (opt.)

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

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