1. ATR ITALIA GRINDING MACHINES

2. TECHNOLOGICAL LINES Grinding with conventional abrasives [Al 2 O 3 ] Grinding with superabrasives [CBN]

3. PRODUCT LINES GRINDING MACHINES ATR 600 Line ATR 900 Line

4. GRINDING LINES ATR 600 Wheel max Ø 760 SP ATR 900 Wheel max Ø 915 SD SINGLESPINDLEMULTISPINDLEDOUBLESINGLESPINDLE

5. ATR 600 Line TECHNOLOGICAL 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

6. ATR 600 Line ROUND BARS CAMS ECCENTRICS ORBITALS GRINDING Max wheel Ø 760

7. ATR 600 Line MACHINE STRUCTURE Z X C 1 23 456 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

8. ATR 600 Line MACHINE STRUCTURE Z X C 10 ELECTRICAL EQUIPMENT CNC 1113 9 12 8 8 9 10 11 12 13 OPERATOR PANEL FRONTAL + LATERAL DOOR HYDRAULIC UNIT MOTORS COOLER COOLANT TANK

9. ATR 600 Line MACHINE BED - LENGHT BETWEEN CENTERS: 600 mm / 1200 mm - STABILIZED MONOLITHIC WELDED STRUCTURE Z AXIS GUIDE SECONDARY LINEAR MOTOR FIXED CHUCK BED TABLE

10. ATR 600 Line LONGITUDINAL 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

11. ATR 600 Line TRANSVERSAL 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

12. ATR 600 Line WHEELHEAD 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

13. ATR 600 Line WORKHEAD ROTANTING 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

14. ATR 600 Line TAILSTOCK - 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

15. ATR 600 Line DRESSER - 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

16. ATR 600 Line ELECTRICAL EQUIPMENT X C CNC -FUNCTION: CONTAINS ALL ELECTRICAL AND ELECTRONICAL DEVICES REQUIRED FOR MACHINE OPERATION

17. ATR 600 Line OPERATORS PANEL CNC