SR-38 type B

Complex machining for large diameter workpieces now aim for higher functionality,productivity and accuracy.

  • A balance-cut function by X1/X3 axis simultaneous control for high accuracy and high efficiency.
  • This machine employs a power-driven tool unit with B-axis control function.
  • The guide bush and non-guide bush are interchangeable. The non-guide bush type incorporates a spindle sleeve slide guideway structure for higher spindle rigidity.
  • The Star Motion Control System
  • RMGB
  • Equal load cross guide
  • Balance cut turning
  • B axis control
  • GB/NGB switchover

Tool Post

Tool Post

Tool Post Tooling
Turning tool 7 tools
working tool
5 tools
working tool
5 tools
Power-driven tool 4 tools
Cartridge type 2Pos.
Power-driven tool
with B-axis control
1 Pos.
(Front 3 tools
+Rear 3 tools)
Rear-end working tool 8 tools
Stationary tool max.8 tools
Power-driven tool max.8 tools


Item SR-38 Type B
Max.machining diameter ø38mm (1-1/2in)
Max.headstock stroke Standard 320mm (12-19/32in)
R.M.G.B.unit 288mm (11-11/32in)
N.G.B.type 95mm (3-47/64in)
Number of turning tools Front 5 tools(□20mm×1 tool+□16mm×4 tools)
Rear 2 tools(□16mm)
5-Spindle sleeve holder Number of tools Front : 5 tools
Rear : 5 tools
Max.drilling capability ø23mm (29/32in)
Max.tapping capability M16 × P2
Power-driven att. Number of tools Cross milling : 4 tools
Cartridge type : At 2 position
Number of tools [typeB] Power-driven tool with B-axis :
At 1 position(Front 3 tools + Rear 3 tools)
Max.drilling capability ø10mm (25/64in)
Max.tapping capability M8 × P1.25
Spindle speed max. 6,000min-1
Drive motor 2.2kw(Continuous) / 4.0kw(5min./30%ED)
Rapid feed rate 36m/min(X1,Y1,Z1,X2,Z2) , 24m/min(Y2,X3)
Main spindle indexing angle C-axis control
Main spindle speed max.7,000min-1
Main spindle motor 7.5kw(Continuous) / 11.0kw(10min./25%ED)
Dimensions(W×D×H) 2,740 × 1,315 × 2,120mm
Weight 4,300kg
Power consumption 15.9KVA

Backworking Attachment

Item SR-38 type B
Max.chucking diameter ø38mm (1-1/2in)
Max.length for front ejection 150mm (5-7/8in) projection length 70mm (2/3/4in)
8-spindle backworking unit Number of tools 8 tools
Max.drilling capability Stationary tool ø14mm (35/64in)
Power-driven att. ø8mm (5/16in)
Max.tapping capability Stationary tool M12 × P1.75
Power-driven att. M6 × P1.0
Sub spindle indexing angle C-axis control
Sub spindle speed max.7,000min-1
Sub spindle motor 3.7kw(Continuous) / 5.5kw(10min./40%ED)

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