ATR ITALIAATR ITALIA

GRINDING MACHINESGRINDING MACHINES

TECHNOLOGICAL LINESTECHNOLOGICAL LINES

Grinding with conventional abrasives[Al2O3]

Grinding with superabrasives[CBN]

PRODUCT LINESPRODUCT LINES

GRINDING MACHINES

ATR 600 Line

ATR 900 Line

GRINDING LINESGRINDING LINES

ATR 600Wheel max Ø 760

S P

ATR 900Wheel max Ø 915

S DSINGLESPINDLE MULTISPINDLE DOUBLESINGLESPINDLE

ATR 600 LineATR 600 LineTECHNOLOGICAL SPECIFICATIONS

CBN WHEEL

MAX SINGLE WHEEL TICKNESS: 50 mm

MIN WHEEL DIAMETER: 400 mm

PERIPHERAL MAX SPEED: 120 m/s

CONVENZIONAL WHEEL

MAX WHEEL DIAMETER: 760 mm

MAX SINGLE WHEEL THICKNESS: 80 mm

MIN WHEEL DIAMETER: 450 mm

PERIPHERAL MAX SPEED: 63 m/s

MAX WHEEL SET TICHNESS: 120 mm

MAX GRINDABLE LENGHT BETWEEN CENTERS: 600 mm / 1200 mm

MAX GRINDABLE DIAMETER WITH STRAIGHT WHEELHEAD: 200 mm

MAX GRINDABLE DIAMETER WITH 20° ANGULAR WHEELHEAD: 200 mm

CENTER HEIGHTS FROM TABLE: 225 mm

CENTER HEIGHTS FROM FLOOR: 1090 mm

ATR 600 LineATR 600 Line

ROUND BARS CAMS

ECCENTRICS ORBITALS

GRINDINGMax wheel Ø 760

ATR 600 LineATR 600 LineMACHINE STRUCTUREMACHINE STRUCTURE

Z

X

C

1 2 3

45 6

7

2

1

3

5

4

6

MACHINE BED

Z AXIS GROUP

X AXIS GROUP

WHEELHEAD SPINDLE

WORKHEAD

TAIL STOCK

DRESSER

LINEAR MOTOR AXES Z+X

ATR 600 LineATR 600 Line MACHINE STRUCTURE MACHINE STRUCTURE

Z

X

C

10

ELECTRICAL EQUIPMENT

CNC

11 13

9

12

8

8

9

10

11

12

13

OPERATOR PANEL

FRONTAL + LATERAL DOOR

HYDRAULIC UNIT

MOTORS COOLER

COOLANT TANK

ATR 600 LineATR 600 LineMACHINE BEDMACHINE BED

- LENGHT BETWEEN CENTERS: 600 mm / 1200 mm

- STABILIZED MONOLITHIC WELDED STRUCTURE

Z AXIS GUIDE

SECONDARY LINEAR MOTOR

FIXED CHUCK BED TABLE

ATR 600 LineATR 600 LineLONGITUDINAL “Z“ AXIS SLIDELONGITUDINAL “Z“ AXIS SLIDE

Z

- USABLE STROKE: 1000 mm / 1600 mm

- DRIVE: LINEAR MOTOR

- MEASURING SYSTEM: ABSOLUTE LINEAR TRANSDUCER

- MAX LINEAR SPEED: 30 m/min

- GUIDE: ON PRELOADED RECIRCULATING ROLLER GUIDE

- MAX LINEAR ACCELERATION: 2000 mm/s 2

- MAX FORCE: 5000 N

- BRAKE: MECHANICAL

ATR 600 LineATR 600 LineTRANSVERSAL “X“ AXIS SLIDETRANSVERSAL “X“ AXIS SLIDE

- USABLE STROKE : 350 mm

- DRIVE: LINEAR MOTOR

- MEASURING SYSTEM: ABSOLUTE LINEAR TRANSDUCER

- MAX LINEAR SPEED: 20 m/min

- GUIDE: ON PRELOADED RECIRCULATING ROLLER GUIDE

- MAX LINEAR ACCELERATION: 2000 mm/s 2

- MAX FORCE: 5000 N

- BRAKE: MECHANICAL

X

ATR 600 LineATR 600 LineWHEELHEAD SPINDLEWHEELHEAD SPINDLE

- CONSTRUCTIVE SHAPE: INDIPENDENT CARTRIDGE

- POWER ( 50 m/s - 610 WHEEL): 18 Kw

- NOMINAL MOTOR TORQUE: 100 Nm

- MOTOR TYPE: SYNCHRONOUS

- DIAMETRO CONO MANDRINO: 100 mm (CONICITA’ 1/10)2

- EQUILIBRATORE DINAMICO MOLA: SEDE SU CONO MANDRINO- RAFFREDDAMENTO MOTORE: CIRCUITO CHIUSO

- POWER (120 m/s - 450 WHEEL): 36 Kw

ATR 600 LineATR 600 LineWORKHEADWORKHEAD

ROTANTING SPINDLEROTANTING SPINDLE

- CON ON SPINDLE NOSE: CM 4 (OPZIONAL CM 5)

- SPINDLE MOTOR: SYNCHRONOUS

- SPINDLE NOSE EXTERNAL DIAMETER: 80 mm

- ROTATION CONTROL SYSTEM (C AXIS): DIRECT ENCODER

- BEARINGS LUBRIFICATION: PERMANENT GREASE- MOTOR COOLING: CLOSE CIRCUIT

- NOMINAL MOTOR POWER: 4,1 Kw / NOMINAL TORQUE: 78 Nm

- SPINDLE SUPPORTS: PRELOADED ANGULAR CONTACT ROLLING BEARINGS

- CENTERS HEIGHT FROM TABLE: 225 mm

ATR 600 LineATR 600 LineTAILSTOCKTAILSTOCK

- CENTERS HEIGHT FROM TABLE: 225 mm

- TAILSTOCK SLEEVE DIAMETER: 80 mm

- THRUST ON THE PIECE BY SPRING: RANGE FROM 30 TO 1000 N

- SLEEVE GUIDE SYSTEM: PRELOADED BALL BUSH

- SLEEVE LUBRICATION: OIL BATH

- QUILL STROKE: 50 mm

- SLEEVE CONTROL FOR APPROCH: HYDRAULIC CYLINDER

- TAPER CORRECTION RANGE: +/- 0,5 mm

ATR 600 LineATR 600 LineDRESSERDRESSER

- DRESSING DEVICE WITH ROTANTING DISK

- SPINDLE MOTORE: SYNCHRONOUS

- NOMINAL MOTOR POWER: Kw 7,5

- MAX ANGULAR SPEED: 20000 RPM

- SPINDLE SUPPORTS: ROLLING BEARINGS

- BEARINGS LUBRICATION: PERMANENT GREASE

- MOTOR COOLING: CLOSE CIRCUIT

ATR 600 LineATR 600 LineELECTRICAL EQUIPMENTELECTRICAL EQUIPMENT

X

C

CNC

-FUNCTION:

CONTAINS ALL ELECTRICAL AND ELECTRONICAL DEVICES

REQUIRED FOR MACHINE OPERATION

ATR 600 LineATR 600 Line OPERATOR’S PANELOPERATOR’S PANEL

CNC