Lead screw and feed screw lathe

PBR TM450/2000

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Loading: 01.12. to 10.12.

TECHNICAL DETAILS

General Information

Manufacturer: PBR
Model: TM 450/2000
Machine type: Precision engine and lead screw lathe
Machine weight: approx. 7.9 t

Working Area

Turning diameter over bed: 980 mm
Turning diameter over cross slide: 600 mm
Turning length: 2,200 mm
Turning diameter in gap: 1,200 mm
Gap length: 450 mm

Spindle

Spindle bore: 150 mm
Number of spindle speeds: 24
Speed range: 8–800 rpm

Axes and Travels

X-axis: 2,000 mm
X²-axis: 350 mm
Y-axis: 500 mm

Feeds

Number of feed rates: 108
Longitudinal feed: 0.032–15.2 mm/rev
Cross feed: 0.016–7.6 mm/rev

Thread Cutting

Number of thread pitches: 398
Metric thread pitch: 0.5–224 mm
Metric thread pitch: 0.25–112 mm
Inch thread pitch: 56–1/8 TPI
Diametral pitch: 112–1/4 DP

Tailstock

Taper in tailstock quill: MT 6
Quill stroke: 380 mm

Electrical Data

Voltage: 380 V
Frequency: 50 Hz
Total power requirement: 25 HP

Dimensions

Space required: approx. 4.4 × 1.8 × 1.7 m

EQUIPMENT

Original Forkardt 3-jaw chuck, 500 mm

Hardened and ground bedways

Rapid traverse for longitudinal and cross feeds

Spindle brake

Original Sauter hydraulics with external oil supply

Original Ideal tool holder

Faceplate with 4 independent jaws

Coolant system

Magnetic coupling

Automatic longitudinal stops

Cross stop

Thread dial indicator

Reducing sleeve

2 fixed centers

Fixed steady rest

Swiveling Staudacher spindle guard with safety switch

2 emergency stop buttons

Main switch

Chip collector

Workpiece lighting

Machine-mounted control cabinet