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POREBA TPL 90 Oil Country Lathe Hollow Spindle

Lathe in very good technical condition, with very little hours of operation and not previously used for pipe machining.

The Poręba TPL 90/3m lathe (market nomenclature also refers to this model as a variant of the TPK 90 series) is a textbook example of an oil country lathe (Oil Country Lathe / Hollow Spindle Lathe).

This model meets all the specific criteria required for machines dedicated to the Oil & Gas sector:
• Huge spindle bore (Big Bore): This version features a spindle bore diameter of 320 mm (approx. 12.5 inches), allowing easy insertion of thick-walled drill and casing pipes.
• Dual chuck system: The headstock is designed to accommodate two independent lathe chucks (front and rear, most commonly with a diameter of 28 inches), ensuring the pipe is clamped and stabilized at both ends of the spindle.
• Optimal working dimensions: The 3m designation defines a center turning length of 3000 mm, which, combined with a swing over bed of 930 mm (hence '90' in the type designation), enables machining of massive pipeline components.
• Extreme rigidity: FUM POREBA products are renowned for their monolithic, very wide and heavy cast iron beds, which effectively dampen the enormous vibrations produced during taper threading operations.

In international used machinery listings, this specific Poręba model is classified directly under the category 'Oil Field Lathes.'

TECHNICAL DATA:

Geometric parameters and machining ranges:
• Swing over bed: 930 mm / 36.6 in
• Swing over carriage: 630 mm / 24.8 in
• Swing in gap: 1200 mm / 47.2 in
• Maximum turning length between centers: 3000 mm / 120 in
• Bed width: 585 mm / 23.0 in

Headstock:
• Spindle bore diameter (Hollow Spindle): 320 mm / 12.6 in (classified in US nomenclature as 12.5" version)
• Spindle speed range: 5 – 250 rpm, or modified versions up to 710 rpm
• Number of spindle speed steps: 18

Feed and threading system:
• Longitudinal feed rate: 0.1 – 12.8 mm/rev / 0.004 – 0.504 in/rev
• Cross feed rate: 0.05 – 6.4 mm/rev / 0.002 – 0.252 in/rev
• Types of threads: Metric, Imperial (Whitworth), Module, Diametral Pitch (DP)

Tailstock:
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• Tailstock quill diameter: 130 mm / 5.1 in
• Tailstock quill travel: 300 mm / 11.8 in
• Internal taper: Morse No. 6 (MT6)

Drive and dimensions:
• Main motor power: 22 kW / 29.5 HP
• Overall machine length: approx. 5500 mm / 216.5 in
• Overall machine width: approx. 1750 mm / 68.9 in
• Overall machine height: approx. 1500 mm / 59.0 in
• Total machine weight: approx. 8000 kg / 17,630 lbs

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