SR-20 JII Type A

SR-20J II Type A 7-axis CNC sliding head lathe designed for high-precision, small-part machining. Equipped with main and sub spindles, live tooling, and multi-axis capability, this machine is ideal for complex components requiring simultaneous front and back working in a single setup.

General information SR-20J II type A

Number of axes 7

Max. rapid traverse speed 35 m/min

Weight approx. 2,750 kg

Coolant tank capacity 202 litres

Dimensions (L x W x H) approx. 2,250 × 1,200 × 1,700 mm

Main spindle side

Main spindle side SR-20J II type A

Number of axes 4

Axes main spindle (headstock) Z1 / C1 Z1 / C1

Axes tool post X1 / Y1 X1 / Y1

Max. machining diameter 20 mm

Max. headstock stroke (sliding/fixed headstock) 205 mm / 50 mm 205 mm / 50 mm

Max. main spindle drive power 3.7 kW

Max. main spindle speed 10,000 1/min

Tools on the tool post  

Turning tools 6 tools (□ 12 mm)

Drilling tools (5-spindle drilling unit) 5 tools (ER16)

Cross machining tools 1 tool (ER20) / 4 tools (ER16)

Max. cross machining drive power 3.0 kW

Max. cross machining speed 8,000 rpm

Front drilling unit tools  

Sleeve Ø 22 mm

Max. drilling depth 115 mm

Sub spindle side

Sub spindle side SR-20J II type A

Number of axes 3 4

Axes sub spindle X2 / Z2 / C2

Vertical axis for backworking Y2

Max. chucking diameter 20 mm 

Max. sub spindle drive power 3.7 kW

Max. sub spindle speed 10,000 rpm

Backworking tools  

Tool stations 4 tools (4 power-driven)

Max. backworking speed 8,000 rpm