Model

AC-1840 / AC-1860 / AC-1880

Spindle Bore

56mm (2")

Height of Centers

230 x 1000 / 1500 / 2000 mm

Spindle speeds (rpm)

H: 3100 - 681
M: 680 - 153
L: 152 - 33

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

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Spindle auto speed shifting (3 steps) and CNC controlling.

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

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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.

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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.

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

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AC-1800 series with hi-spindle speed 3100 rpm.

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Gap bed on request.

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High precision ball screw.

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CSS available.

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Heavy duty tailstock.

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V-8 turret tool post on request.

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Electric 4-Way tool post on request.

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External spindle cooling system on request.

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Tailstock spindle dia. 75 mm.

Model \ Description

AC-1840

AC-1860

AC-1880

Working Capacity

Swing over bed

460 mm

Center height

230 mm

Swing over cross slide

230 mm

Dist. between centers

1000 mm

1500 mm

2000 mm

Width of bed

350 mm

Headstock

Spindle speeds (rpm)

H:3100~681 , M:680~153 , L:152~33

Spindle nose

D1-6

Spindle bore

56 mm (2”)

Saddle

Longitudinal travel (Z-axis)

810mm

1310mm

1810mm

Cross slide travel (X-axis)

280 mm

Ball screw (Dia. x pitch)

X: 25x5 mm, Z: 40x10 mm

Tailstock

Spindle travel

170 mm

Spindle dia.

75 mm

Taper in spindle

MT#5

Motor

Spindle motor

AC 7.5HP or 10HP(opt)

Z-axis drive motor

6.3 NM / Pitch 10 mm 1:2

X-axis drive motor

6.3 NM / Pitch 5 mm 1:1

Coolant pump motor

1/6Hp

X.Z Feeds

Z-axis rapid travel

7 m/min

X-axis rapid travel

5 m/min

Machine Weight

N.W.(Approx.)

2900 kgs

3200 kgs

3500 kgs

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CNC & Manual operation

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

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Run first component manually and then the rest automatically

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Metric threading

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

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Tool radius & geometry compensation

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Internal digital readout

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Constant surface speed for model with infinitive variable speed

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Integrated PLC

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8 bit bus, 32K RAM

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Serial port (RS-232 communication)

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Teach-in mode

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Semiautomatic, automatic (Cycle) and part program modes

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Automatic acceleration/deceleration

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Rapid travels

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Self diagnostic routines

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Automatic home searching

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Program input RS-232