Blade RPM vs. Surface Feet Per Minute (SFPM)

When choosing a blade for your cutting conditions, follow the blade manufacturer’s recommendations. Match the blade speed (Blade Shaft RPM) to the recommended blade Surface Feet Per Minute (SFPM).

SFPM

12”

14”

16”

18”

20”

24”

26”

30”

36”

 

diam.

diam.

diam.

diam.

diam.

diam.

diam.

diam.

diam.

 

RPM

RPM

RPM

RPM

RPM

RPM

RPM

RPM

RPM

 

 

 

 

 

 

 

 

 

 

8,000

2546

2183

1910

1698

1528

1273

1175

1019

849

 

 

 

 

 

 

 

 

 

 

8,500

2706

2319

2029

1804

1623

1353

1249

1082

902

 

 

 

 

 

 

 

 

 

 

9,000

2865

2456

2149

1910

1719

1432

1322

1146

955

 

 

 

 

 

 

 

 

 

 

9,500

3024

2592

2268

2016

1814

1512

1396

1210

1008

 

 

 

 

 

 

 

 

 

 

10,000

3183

2728

2387

2122

1910

1592

1469

1273

1061

 

 

 

 

 

 

 

 

 

 

10,500

3342

2865

2507

2228

2005

1671

1543

1337

1114

 

 

 

 

 

 

 

 

 

 

11,000

3501

3001

2626

2334

2101

1751

1616

1401

1167

 

 

 

 

 

 

 

 

 

 

11,500

3661

3138

2745

2440

2196

1830

1690

1464

1220

 

 

 

 

 

 

 

 

 

 

12,000

3820

3274

2865

2546

2292

1910

1763

1528

1273

 

 

 

 

 

 

 

 

 

 

12,500

3979

3410

2984

2653

2387

1989

1836

1592

1326

 

 

 

 

 

 

 

 

 

 

13,000

4138

3548

3104

2759

2483

2069

1910

1655

1378

 

 

 

 

 

 

 

 

 

 

13,500

tbd

 

3229

2866

2581

2149

1985

1719

1433

 

 

 

 

 

 

 

 

 

 

14,000

tbd

 

3349

2972

2676

2229

2058

1783

1486

 

 

 

 

 

 

 

 

 

 

14,500

tbd

 

3468

3078

2772

2308

2132

1847

1532

 

 

 

 

 

 

 

 

 

 

CAUTION

§Verify that the engine start switch is OFF before installing blade.

§Tighten the 5/8” blade-mounting bolt to 125-175 foot-pounds torque.

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Multiquip Sp-6065 operation manual Blade RPM vs. Surface Feet Per Minute Sfpm