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Reference Library › Other Machines › SR-20J
Star

SR-20J

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Star SR-20J
Photo: Star (manufacturer)
MakeStar
ModelSR-20J
Machine typeOther Machines
Max. Machining Diameterø20mm (25/32in)
Max. Headstock StrokeSTANDARD Type C 205mm (8in) Type N Bar diameterx2.5 WITH RMG
ToolNUMBER OF TOOLS 6 tools TOOL SHANK 12mm
4-Spindle Sleeve HolderNUMBER OF TOOLS Front 4 tools Rear 4 tools Type N MAX. DRILL
2-spindle front sleeve holderNUMBER OF TOOLS (sleeve) 2 tools MAX. DRILLING CAPABILITY ø8
Power-Driven AttachmentNUMBER OF TOOLS Cross milling: 3 tools Cartridge type: at 2
Rapid Feed Rate35m/min (X, Y, Z, XB, ZB)
Main Spindle Indexing AngleC-axis control
Main Spindle SpeedMax. 10,000 min⁻¹
Main Spindle Motor2.2kw (continuous) / 3.7kw (15min./60%ED)
Coolant Tank Capacity170ℓ
Dimensions (W x D x H)2,250 X 1,200 X 1,700mm
Weight2,200kg
Power Consumption5.2KVA
Maximum Chucking Diameterø20mm (25/32in)
Max. Length for Front Ejection80mm (3-5/32in)
📋 Spec data: Detailed (23 fields) · compiled from manufacturer and public sources · reference updated 2026-09-24.
These specifications describe the model in general. The year, control generation, spindle, and option package of a specific unit may differ — always verify against the actual machine. Methodology · Data sources.

About the Star SR-20J

The Star SR-20J is catalogued under Other Machines in The Machine Blue Book CNC machine reference library. This entry documents the machine for identification and education; specifications above are compiled from manufacturer and public sources and describe the model, not a specific unit.

Used market research

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Machinery terms

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