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POREBA TPL 90 Oil Country Lathe Hollow Spindle

Lathe in very good technical condition; it has seen very little use and was not utilized for pipe machining.

The Poręba TPL 90/3m lathe (commonly listed in the market as a TPK 90 series variant) is a textbook example of an oil country lathe (Hollow Spindle Lathe). This model meets all specific criteria for machines intended for the Oil & Gas sector.

• Large Spindle Bore: Machines in this version feature a spindle bore diameter of 320 mm (approx. 12.5 inches), which allows thick-walled drill and casing pipes to pass freely through the spindle.
• Dual Chuck System: The headstock design allows the installation of two independent lathe chucks (front and rear, typically 28" diameter), which clamp and stabilize the pipe at both spindle ends.
• Optimal Working Dimensions: The '3m' designation defines the between-centers turning length (3000 mm), combined with a swing over bed diameter of 930 mm (hence the '90' in the name), enabling machining of massive pipeline components.
• Extreme Rigidity: FUM POREBA machines are renowned for their monolithic, very wide, and heavy cast iron beds, effectively damping the huge vibrations arising during taper thread turning.
In international used machinery listings, this particular Poręba model is classified directly under the 'Oil Field Lathes' category.

TECHNICAL DATA:

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

Headstock:
• Spindle bore diameter (Hollow Spindle): 320 mm / 12.6" (classified in US nomenclature as 12.5")
• 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 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
• Thread types cut: Metric, Inch (Whitworth), Module, Diametral Pitch (DP)

Tailstock:
• Tailstock quill diameter: 130 mm / 5.1"
• Tailstock quill stroke: 300 mm / 11.8"
• Quill internal taper: Morse No. 6 (MT6)

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

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