Star SR-20J Type C

Machining Diameter…………20MM
Headstock Stroke (w/ Rotary Guide Bushing)…………8.07" (6.7")
Main Spindle Speed…………10,000 RPM
Main Spindle Indexing…………Full C-Axis
Main Spindle Motor…………4.9 HP
Tool Stations:
Gang Tool Post………….6 Turning Tools / 4 Power-Driven Tool Stations
4-Spindle Sleeve Holder………….4 Front Working / 4 Back Working
Drilling Capacity (4-Spindle Sleeve / Power Driven)………….0.39"/0.31"
Tapping Capacity (4-Spindle Sleeve / Power Driven)………….M8 x 1.25 / M6 x 1.0
Milling Capacity………….0.39"
Back Working Attachment:
Chucking Diameter………….3/4"
Pick-Up Part Length………….3.14"
Part Protection Length………….1.18"
Sub Spindle Speed………….8,000 RPM
Sub Spindle Motor………….2.9 HP
Number of Tool Stations………….4 Stationary or Power Driven Tools
Drilling Capacity (Stationary/Power Driven)………….0.31" / 0.19"
Tapping Capacity (Stationary/Power Driven)………….M8 x 1.25 / M4 x 0.7
Machine Dimensions – Catalog………….86" x 47" x 66"
Machine Weight – Catalog………….4,850 lbs