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POREBA TPL 90 Oil Country Lathe Hollow Spindle

Lathe in very good technical condition, has seen very little use and was not used for machining pipes.

The Poręba TPL 90/3m lathe (also listed in market nomenclature as a variant of the TPK 90 series) is a textbook example of an Oil Country Lathe / Hollow Spindle Lathe.
This model fulfills all the specific criteria for machines intended for the Oil & Gas sector:
• Massive spindle bore (Big Bore): This version features a spindle bore with a diameter of 320 mm (approx. 12.5 inches), allowing for easy insertion of thick-walled drill and casing pipes.
• Dual chucking system: The headstock is designed for mounting two independent lathe chucks (front and rear, typically 28 inches in diameter), ensuring the pipe is clamped and stabilized at both ends of the spindle.
• Optimal working dimensions: The 3m designation defines a turning length between centers of 3000 mm, which, combined with a swing over bed of 930 mm (hence the "90" in the name), allows for machining heavy-duty pipeline components.
• Exceptional rigidity: FUM POREBA factory machines are renowned for their monolithic, very wide and heavy cast iron beds, which effectively dampen the immense vibrations generated during taper thread cutting.
In international used machinery catalogues, this specific Poręba model is directly classified under the Oil Field Lathes category.

TECHNICAL SPECIFICATIONS:
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Geometric parameters and machining ranges
• Swing over bed: 930 mm / 36.6 in
• Swing over cross slide: 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 (in US nomenclature classified as a 12.5" version)
• Spindle speed range: 5 – 250 rpm, or modified versions up to 710 rpm
• Number of spindle speed steps: 18

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

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

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

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