Reference Library › Turning Centers & Lathes › SR-20R IV

Reference recordMBB·TURNING-CENTERS-LATHES/STAR-SR-20R-IVUpdated 2026-10-10

Photo: Star (manufacturer)

MakeStar

ModelSR-20R IV

Machine typeTurning Centers & Lathes

Max. Machining Diameterø20mm (25/32in)

Max. Headstock StrokeSTANDARD 205mm (8in) WITH R.M.G.B. UNIT 160mm (6-19/64in) NON-GUIDE BUSH TYPE…

Tool5 tools on the front + 2 tools on the rear (12mm)

4-Spindle Sleeve HolderNUMBER OF TOOLS Front 4 tools / Rear 4 tools MAX. DRILLING CAPABILITY ø12mm…

2-Spindle Front Sleeve HolderNUMBER OF TOOLS (SLEEVE) 2 tools MAX. DRILLING CAPABILITY ø10mm (25/64in) MAX.…

Power Driven AttachmentNUMBER OF TOOLS Cross Milling: 3 tools Cartridge Type: At 2 position B-axis…

Rapid Feed Rate35m/min-1 (X1, X2, Y1, Z1, Z2), 15m/min-1 (Y2)

Main Spindle Indexing AngleC-axis control

Main Spindle SpeedMax. 10,000 min⁻¹

Main Spindle Motor2.2kw (continuous) / 3.7kw (10 min/25% ED)

Coolant Tank Capability170ℓ

Dimensions (W x D x H)2,334 x 1,200 x 1,700mm

Weight2,600kg

Power Consumption4.7KVA

Max. 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 2026-10-10.
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.

Star

SR-20R IV

MBB Model ID MBB-M-D7YXYM · What is this?

Plan the installInstalled cost →

Machine weight (published)2,600 kg ≈ 5,732 lbFloor & foundation Rigging

From the published model specification. Spindle rating is not the machine’s total connected load; confirm the exact unit’s data plate and electrical drawings.

Manufacturer videoWatch on YouTube ↗

Star GB | SR-20RIV Type A/B CNC Sliding Head Lathe DemonstrationStar Micronics GB · 7:30 · 2012-10-01

About the Star SR-20R IV

The Star SR-20R IV is catalogued under Turning Centers & Lathes 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.