Reference Library › Turning Centers & Lathes › SK-51

Reference recordMBB·TURNING-CENTERS-LATHES/STAR-SK-51Updated 2026-10-15

Photo: Star (manufacturer)

MakeStar

ModelSK-51

Machine typeTurning Centers & Lathes

Main SpindleMAX. MACHINING DIAMETER Ø51mm (2in.) MAX. MACHINING LENGTH FOR AUTOMATIC…

Sub SpindleMAX. MACHINING DIAMETER Ø51mm (2in.) MAX. LENGTH FOR FRONT EJECTION 125mm…

Path 1 Tool PostTYPE 12-stationed turret NUMBER OF TOOLS Tool: 20mm (25/32in); Max. 2…

Path 2 Tool PostTYPE 12-stationed turret NUMBER OF TOOLS Tool: 20mm (25/32/in); Max. 2…

Rapid feed rateX1, X2 20m/min Y1, Y2 15m/min Z1, Z2, Z3 40m/min C1, C2 550 rpm

Coolant tank458ℓ

Coolant pump1.5kW x 1 for each turret 0.4kW x 1 for each spindle

Dimensions2,800mm W x 2,070mm D x 2,130mm H

Weight6,600kg

Number of Axis9 (X1, X2, Y1, Y2, Z1, Z2, ZB, C1, C2)

Control, capacity & movement — Maximum Capacity51 mm (2.0")

Control, capacity & movement — Center Height1155 mm (45.472")

Power Driven Tools for Main6,000 RPM 7.5 kW / 4.5 kW (cont.)

Power Driven Tool for Sub6,000 RPM 7.5 kW / 4.5 kW (cont.)

Standard Tool Layout — Work HoldingHS22 (Hardinge Pad 22) | HS22 (Hardinge Pad 22)

Standard Tool Layout — Tool Layout12-Station Turret x 2

Main spindle — Through-spindle hole diameterφ52.5mm(2-1/16in)

Collet chuck typeH-S22 / S51 / S38

Power chuck type6inch

Max. length for front ejection125mm(4-59/64in)

Max. parts projection length80mm(3-5/32in)

PATH 1 Tool post — Type12-stationed turret

📋 Spec data: Detailed (22 fields) · compiled from manufacturer and public sources · reference updated 2026-10-15.
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

SK-51

Evidence updated 15 October 2026: specifications, manuals and documents. How evidence is dated

Plan the installInstalled cost →

Machine weight (published)6,600 kg ≈ 14,551 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.

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Manufacturer videoWatch on YouTube ↗

SK-51 Type A: greater efficiency, accuracy and reliability on complex componentsStar Micronics GB · 6:03 · 2024-12-13

Star Micronics GB · 7:56 · 2024-10-08↗

About the Star SK-51

The Star SK-51 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.

Used market research

Research Star SK-51 in the used-machine market directory → — review current and historical seller-source records, then verify availability directly with the originating source.

Related machines

Star SR-38 Star SR-38J Star ST-38 Haas ST-20SSY Mazak HQR-200/3 NEO Haas TL-3

Machinery terms

What Is a CNC Lathe / Turning Center?Live Tooling on a Lathe Bar Feeders & Swiss-Type Turning Spindle & Spindle Taper Explained What Is CNC?CNC Controls Spindle Hours vs Machine Hours

Manufacturer documents

Published by the manufacturer. Each link opens the document on the manufacturer’s site.

Product brochure (SK-51) starcnc.com

All Star manuals and documentation →

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