مركز الخراطة والطحن CNC

DMG TWIN 500

turning diameter 390 mm
centre distance 1850 mm
swing diameter 610 mm
control SINUMERIK 840D
turning speeds 20-4000 U/min
spindle bore 79 mm
bar capacity 65 mm
weight of the machine ca. 18000 kg
total power requirement 33 kW
Control System

Siemens Sinumerik 840D

Bed

Design: 4-rail bed
Guideways: Roller guides

Working Area

Maximum swing diameter: 610 mm
Standard turning diameter: 390 mm
Distance between spindles: 1850 mm
Traverse travel cross/longitudinal – Slide 1: 605 / 1470 mm
Y-axis – Slide 1: 210 mm
B-axis – Slide 1: 240°
Traverse travel cross/longitudinal – Slide 2: 227 / 1440 mm
Longitudinal travel – Slide 3: 1460 mm

Turning and Milling Spindle – Slide 1

Number of tools: 80
Tool holder: HSK-A63
Max. spindle speed: 12,000 rpm
Max. drive power 40/100% duty cycle: 10 / 15 kW
Indexing unit: 1.0°
Clamping torque (locking): 500 Nm

Spindle 1 – Left

Max. bar capacity: 65 mm
Spindle nose faceplate: 220 h5
Spindle bore: 79 mm
Internal draw tube: 68 mm
Front bearing diameter: 140 mm

Spindle 2 – Right

Max. bar capacity: 65 mm
Spindle nose faceplate: 220 h5
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Spindle bore: 79 mm
Internal draw tube: 68 mm
Front bearing diameter: 140 mm

Main Drive 1 and 2 – Left / Right

Max. drive power 40/100% duty cycle: 25 / 33 kW
Speed range: 20 – 4000 rpm
Rated speed: 700 rpm
Max. torque 40/100% duty cycle: 840 / 460 Nm
Drive type / design: AC / 1
Design: Integrated spindle motor
C-axis speed (rapid traverse): 100 rpm
C-axis torque (holding torque): 350 Nm
C-axis indexing accuracy: 0.025°

Slide 1

Rapid traverse speed X/Ys/Z: 46 / 24 / 60 m/min
Feed force X/Ys/Z: 11 / 16 / 11 kN
Position resolution X/Y/Z: 0.001 mm
Ball screw X (d × p): Ø40 × 15 mm
Ball screw Ys (d × p): Ø40 × 10 mm
Ball screw Z (d × p): Ø50 × 25 mm

Slide 2

Rapid traverse speed X/Z: 24 / 60 m/min
Feed force X/Z: 7.5 / 11 kN
Position resolution X/Z: 0.001 mm
Ball screw X (d × p): Ø32 × 15 mm
Ball screw Z (d × p): Ø50 × 25 mm

Slide 3

Rapid traverse speed Z: 60 m/min
Feed force Z: 12 kN
Position resolution Z: 0.001 mm
Ball screw Z (d × p): Ø50 × 25 mm

Tool Changer – Turret Head

Gripper type: Double gripper
Control type: Cam-controlled
Tool change time G1/G2: 1.3 / 2.6 s

Tool Spindle Speed

4000 rpm

Coolant Unit

180 liters