Poreba TPK90Ax2M – Year 1994
36″ x 80″ Poreba hollow spindle engine lathe

Specifications:
Swing over bed…………………… 36-1/2″
Swing over cross slide……………. 25″
Spindle nose camlock……………… A1-20

Hole through spindle……………… 12-1/2″
Distance between centers………….. 80″
Spindle speed range (21)………….. 3.15 – 315 rpm

Longitudinal feed range (70)………. .0043″ – .500″ ipr

Cross feed range (70)…………….. .0021 – .250″ ipr

English threading range(56)……….. 1/4 – 30 tpi

Metric threading range(62)………… 1 – 120 mm

Width of bed ……………………. 23″
Tailstock spindle taper ………….. #6mt
Tailstock spindle travel …………. 9″
Approximate floor space…………… 74″ x 160″
Approximate weight……………….. 16,500 lbs.

Equipped with:
– power feed to the top slide for taper turning
– 29-1/2″ 4-jaw chucks with 12-1/2″ thru hole
– 31-1/2″ 3-jaw chuck with 12-1/2″ thru hole
– thread dial indicator
– coolant system
– rapid traverse
– 35 horse power main drive motor