Star SB-20R Type G 2025

machine specifications

• Capacity:

• Max Machining Diameter:

  0.79″ (20 mm)

• Max HeadStock Stroke:

  8.0″ (205 mm)

• Max Bar Capacity:

  0.79″ (20 mm)

• Max Tool Capacity:

  24 Tools

• Main Spindle Turning Tool Max. Drilling Capability:

  0.47″ (12 mm)

• Main Spindle Turning Tool Max.Tapping Capability:

  M10 x P1.5

• Main Spindle Power Driven Tool Max. Drilling Capability:

  0.275 ( 7 mm)/ER16

• Main Spindle Power Driven Tool Max. Tapping Capability:

  M6 x P1.0

• Back Spindle Stationary Tool Max. Drilling Capability:

  0.31″ (8 mm)

• Back Spindle Stationary Tool Max. Tapping Capability:

  M6 x P1.0

• Back Spindle Power Driven Tool Max. Drilling Capability:

  0.23 ( 6 mm)

• Back Spindle Power Driven Tool Max.Tapping Capability:

  M5 x P0.8

• Spindle:

• Main Spindle Indexing:

  360° (Full C-Axis)

• Main Spindle Bore:

  0.79″ (20 mm)

• Main Spindle Speed:

  10,000 RPM

• Main Spindle Motor:

  3.7 kw

• Back Spindle Indexing:

  360° (Full C-Axis)

• Back Spindle Speed:

  9,000 RPM

• Back Spindle Motor:

  1.1 kw

• Turning Tools Section:

• Turning Tools:

  6 (□12 mm)

• Front 4-Spindle Sleeve Holders:

  4

• Rear 4-Spindle Sleeve Holders:

  4

• Power Driven Tools Attachment:

• 4 Front Power-Driven Tools (cross drilling unit):

• 4 Rear Power-Driven Tools (back 4-spindle unit):

• Driven Tool Speed:

  8,000 RPM

• DRIVEN TOOL MOTOR:

  1.0 kw (Front Tool Post) 0.75 kw (Rear Tool Post)

• GENERAL:

• Power Source:

  AC 220v / 3-Phase /60 Hz

• Power Requirement:

  3.7 kva

• Overall Dimensions:

  81.50″ X 46.33″ X 62.29″ High without Bar Feeder

• Weight:

  3,858 lbs. Approx.

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