SR-20RII

Backworking Attachment Specifications

Item Specifications
Max. chucking diameter Ø38mm (1-1/2 in)
Max. length for front ejection 150mm (5-7/8in)
Max. parts projection length 75mm (2-15/16in)
Sub spindle indexing angle C-axis control
Sub spindle speed Max. 7,000min-1
Sub spindle motor Built-in motor drive 5.5kw(continuous)/7.5kw(40%ED)
Backworking turret tool post 10 station
Number of turning tools Max. 2 tools/station (¨ 16mm)
Tool shank   ¨ 16mm / ¨ 20mm
Sleeve holder Number of tools Max. 3 tools/station
Max. drilling capability Ø23mm (29/32 in)
Max. tapping capability M12XP1.75
Max. depth of hole capability 120mm (4-23/32in)
Power driven att. Number of tools Max. 2 tools/station
Max. drilling capability Ø10mm (25/64 in)
Max. tapping capability M8XP1.25
Power-driven att. spindle speed Max. 5,700min-1
Power-driven att. drive motor AC servo drive  2.7kw (continuous)/4.0kw(5min/30%ED)