Deep drilling machine RYAZAN RT22BI made in Russia.
Specifications:
Range of work-piece diameter holes: 80...250 mm
Max work-piece:
-Length: 4000 mm
-Weight: 5000 kg
Range of work-piece external diameters:
-Clamped in chuck of front crush: 110...400 mm
-Stacked in work-piece lunettes: 110...800 mm
Height of central machine axis over bed: 400 mm
Spindle rotation: 7,1...750 rpm
Amount of spindle speeds: 24
Tool rotation: 123...730 rpm
Feeding range: 10,4...455 rpm
Amount of feeding steps: 12
Rapid travel: 1236 mm/min
Nominal pump performance of cooling liquid: 350 l/min
Nominal power of electric motors' drives of:
-Front crush spindle: 28 kW
-Stem crush spindle: 28 kW
-Working feeds of crush spindle: 2,8 kW
-Rapid travel of stem crush: 2,8 kW
-Cooling liquid pump: 10 and 14
