Star CNC Swiss Type Automatic Lathe
ST-38

Max. machining diameter is 38mm! Complex machining for extra large parts with high speed and universal control.

• Simultaneous machining such as turning, milling etc. achieved by opposed twin turret design tool post dramatically reduces the machining time.
• Independent machining of front and rear ends by backworking turret reduces the cycle time yet further.
• STAR Motion Control System is a unique control technology which minimizes non-cutting time.

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Description

Tool PostTooling 
①Turning toolmax.2 tools/station
(□16mm)
Front-end working toolmax.3 tools/station
Rear-end working toolmax.3 tools/station
Power-driven toolmax.2 tools/station
②Turning toolmax.2 tools/station
(□16mm)
Back working toolmax.3 tools/station
Power-driven toolmax.2 tools/station

Specifications

ItemST-38
Max.machining diameterø38mm(1-1/2in)
Max.headstock strokeStandard350mm(13-25/32in)
R.M.G.B.unit315mm(12-13/32in)
Front turret tool postFront10 stations
Rear10 stations
Turning tool1 tool/station(□20mm) ,
max.2 tools/station(□16mm)
Sleeve holderNumber of toolsmax.3 tools/station
Max.drilling capabilityø23mm(29/32in)
Max.tapping capabilityM16×P2.0
Power-driven att.Number of toolsmax.2 tools/station
Max.drilling capabilityø10mm(25/64in)
Max.tapping capabilityM8×P1.25
Spindle speedmax.5,700min-1
Drive motor2.7kw(Continuous) / 4.0kw(5min./30%ED)
Rapid feed rate30m/min(X1,Z1,X2,Z2,X3,Z3)
15m/min(Y1,Y2,Y3) , 3.9m/min(YA2)
Main spindle indexing angleC-axis control
Main spindle speedmax.7,000min-1
Main spindle motor7.5kw(Continuous) / 11.0kw(10min./25%ED)
Dimensions (W×D×H)3,477×1,859×1,865mm
Weight6,250kg
Power consumption10.5KVA

Backworking Attachment

ItemST-38
Max.chucking diameterø38mm(1-1/2in)
Max. length for front ejection150mm(5-7/8in)
Max.work projection length75mm(2-61/64in)
Back working turret tool post10 stations
Turning tool1 tool/station(□20mm) ,
max.2 tools/station(□16mm)
Sleeve holderNumber of toolsmax.3 tools/station
Max.drilling capabilityø23mm(29/32in)
Max.tapping capabilityM12×P1.75
Power-driven att.Number of toolsmax.2 tools/station
Max.drilling capabilityø10mm(25/64in)
Max.tapping capabilityM8×P1.25
Sub spindle indexing angleC-axis control
Sub spindle speedmax.7,000min-1
Sub spindle motor5.5kw(Continuous) / 7.5kw(10min./40%ED)

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