Technical Support
Information Tables
| Diameter of Saw (inches) | 8,000 | 9,000 | 10,000 | 12,000 | 14,000 |
|---|---|---|---|---|---|
| 12" | 2,546 | 2,864 | 3,183 | 3,819 | 4,456 |
| 14" | 2,182 | 2,455 | 2,728 | 3,274 | 3,819 |
| 16" | 1,909 | 2,148 | 2,387 | 2,864 | 3,342 |
| 18" | 1,697 | 1,909 | 2,122 | 2,546 | 2,970 |
| 20" | 1,527 | 1,718 | 1,910 | 2,292 | 2,674 |
| 22" | 1,388 | 1,562 | 1,736 | 2,083 | 2,430 |
| 24" | 1,273 | 1,432 | 1,592 | 1,910 | 2,228 |
| 26" | 1,175 | 1,322 | 1,469 | 1,763 | 2,056 |
| 28" | 1,091 | 1,227 | 1,364 | 1,637 | 1,910 |
| 30" | 1,018 | 1,146 | 1,273 | 1,528 | 1,782 |
| 32" | 954 | 1,074 | 1,193 | 1,432 | 1,671 |
| 34" | 898 | 1,011 | 1,123 | 1,348 | 1,572 |
| 36" | 848 | 954 | 1,061 | 1,273 | 1,485 |
| 38" | 804 | 904 | 1,005 | 1,206 | 1,407 |
| 40" | 763 | 859 | 915 | 1,146 | 1,337 |
| 42" | 728 | 818 | 910 | 1,091 | 1,273 |
| 44" | 694 | 781 | 868 | 1,041 | 1,215 |
| 46" | 664 | 747 | 830 | 996 | 1,162 |
| 48" | 636 | 716 | 796 | 955 | 1,114 |
| 50" | 611 | 687 | 764 | 916 | 1,069 |
| 52" | 587 | 661 | 734 | 881 | 1,028 |
| 54" | 566 | 637 | 707 | 849 | 990 |
| 56" | 546 | 614 | 682 | 818 | 955 |
| 58" | 526 | 593 | 658 | 790 | 922 |
| 60" | 509 | 573 | 636 | 764 | 891 |
| 62" | 493 | 554 | 616 | 740 | 862 |
| 64" | 477 | 537 | 597 | 716 | 836 |
| 66" | 462 | 521 | 579 | 694 | 810 |
| 68" | 449 | 505 | 562 | 674 | 786 |
| 70" | 436 | 491 | 546 | 655 | 764 |
| 72" | 424 | 477 | 530 | 636 | 742 |
| 74" | 413 | 464 | 516 | 619 | 722 |
| 76" | 402 | 452 | 502 | 603 | 704 |
| 78" | 392 | 440 | 490 | 587 | 685 |
| 80" | 382 | 429 | 477 | 573 | 668 |
| 82" | 373 | 419 | 465 | 559 | 652 |
| 84" | 364 | 409 | 455 | 546 | 636 |
| 96" | 318 | 358 | 398 | 477 | 557 |
| 108" | 283 | 318 | 354 | 424 | 495 |
| Gauge | Thousandths | Fraction |
|---|---|---|
| 4 | 0.238 | 15/64" |
| 5 | 0.220 | 7/32" |
| 6 | 0.203 | 13/64" |
| 7 | 0.180 | 3/16" scant |
| 8 | 0.165 | 5/32" full |
| 9 | 0.148 | 5/32" scant |
| 10 | 0.134 | 1/8" full |
| 11 | 0.120 | 1/8" scant |
| 12 | 0.109 | 7/64" |
| 13 | 0.095 | 3/32" |
| 14 | 0.083 | 5/64" full |
| 15 | 0.072 | 5/64" scant |
| 16 | 0.065 | 1/16" full |
| 17 | 0.058 | 1/16" scant |
| 18 | 0.049 | 3/64" |
| 19 | 0.042 | - |
| 20 | 0.035 | - |
| Fraction | Decimal | Gauge |
|---|---|---|
| 1 | 1.0000 | |
| 31/32 | 0.9687 | |
| 15/16 | 0.9375 | |
| 29/32 | 0.9062 | |
| 7/8 | 0.8750 | |
| 27/32 | 0.8437 | |
| 13/16 | 0.8125 | |
| 25/32 | 0.7812 | |
| 3/4" | 0.7500 | |
| 23/32 | 0.7187 | |
| 11/16 | 0.6875 | |
| 21/32 | 0.6562 | |
| 5/8 | 0.6250 | |
| 19/32 | 0.5937 | |
| 9/16 | 0.5625 | |
| 17/32 | 0.5312 | |
| 1/2" | 0.5000 | |
| 15/32 | 0.4687 | |
| 7/16 | 0.4375 | |
| 13/32 | 0.4062 | |
| 0.3800 | 00 | |
| 3/8 | 0.3750 | |
| 11/32 | 0.3437 | |
| 0.3400 | 0 | |
| 5/16 | 0.3125 | |
| 0.3000 | 1 | |
| 0.2840 | 2 | |
| 9/32 | 0.2812 | |
| 0.2590 | 3 | |
| 1/4" | 0.2500 | |
| 0.2380 | 4 | |
| 0.2000 | 5 | |
| 7/32 | 0.2187 | |
| 0.2030 | 6 | |
| 3/16 | 0.1875 | |
| 0.1800 | 7 | |
| 0.1650 | 8 | |
| 5/32 | 0.1562 | |
| 0.1480 | 9 | |
| 0.1340 | 10 | |
| 1/8 | 0.1250 | |
| 0.1200 | 11 | |
| 0.1090 | 12 | |
| 0.0950 | 13 | |
| 3/32 | 0.0937 | |
| 0.0830 | 14 | |
| 0.0720 | 15 | |
| 0.0650 | 16 | |
| 1/16 | 0.0625 | |
| 0.0580 | 17 | |
| 0.0490 | 18 | |
| 0.0420 | 19 | |
| 0.0350 | 20 | |
| 0.0320 | 21 | |
| 1/32 | 0.0312 | |
| 0.0280 | 22 |
| Rim Speed (feet/minute) | =RPM x Saw Diameter inches ÷ 3.8197 |
| Chip Load per Tooth (Inches) | =Feed Rate (FPM) x 12 ÷ RPM x Teeth |
| Number of Teeth | =Feed Rate RPM x 12 ÷ Chip Load x RPM |
| Feed Rate | =(Feed Roll Diameter x 11 (3.1417) x Feed Roll RPM) ÷ (Chip Load x RPM) |
| Circumference | =3.1417 x Diameter |
| Diameter | =Circumference ÷ 3.1417 |
| Required Gullet Capacity | =(Tooth Bite x Depth of Cut) x 2.5 |
| Driven Pulley RPM | =(Driver Pulley 0 x RPM-Driver) ÷ Driven Pulley 0 |
| Driver Pulley RPM | =(Driven Pulley 0 x Driven Pulley RPM) ÷ Driver Pulley 0 |
| Horsepower per Saw | =(Depth of Cut x Kerf x FPM x Factor) ÷ 144 |
| Factor:A = 35 (soft wood) | |
| B = 40 (southern pine) | |
| C = 45 (hardwood) | |
| Tooth Bite Parameters | =Gang Edger Saws (Carbide ): .030–.045 |
| Board Edger Saws (Carbide): .030–.050 |
| More Useful Formulas | |
| π / Pii / Pie / Pye / Peye | =3.142 |
| Speed (Surface Feet / Minute) | =Revolutions Per Minute x Tooth Load (Inches) x Number of Teeth |
| Tooth Load (Inches) | =Feed Rate (Inches ÷ Revolutions Per Minute) x Tooth Load (Inches) |
| Number of Teeth | =Feed Rate (Inches / Minute / Revolutions Per Minute) x Tooth Load (Inches) |
| 1 Inch | =25.4 Millimeters |
| 1 Kilometer | =0.621 Mile |
| 1 Mile | =1.60 Kilometers |
| 1 Kilogram | =2.204 Pounds |
| 1 Ounce | =28.3 Grams |
| 1 Gallon | =0.1604 Cubic Feet |
| Normal Atmospheric Pressure | =14.7 Pounds ÷ Square Inch or 1013 Millibars |
| 1 Knot | =6,080 Feet / Hour |
| Quick Fix Calculation for Revolutions Per Minute | =4 x Feet / Minute ÷ Diameter |
| Area of a Circle | =3.142 x (Radius x Radius) |
| Volume Of a Cylinder | =Area of Circle x Length of Cylinder |
| Volume Of a Rectangle | =Length x Width x Thickness |
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FPMInches
Common Factors: PINE =2.25 FIR =2.5 (standard) HARDWOODS =2.75 - 3.00 Toothbite Formula
(Feed Speed * 12) ÷ (RPM * # of Teeth)Gullet Capacity Formula
Maximum Depth * Toothbite * Factor
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InchesFeet
Common Factors: PINE =2.25 FIR =2.5 (standard) HARDWOODS =2.75 - 3.00 Chipload Formula (Inches)
(Feed Rate * 12) ÷ (RPM * # of Teeth)Horse Power Per Saw Formula
(Depth of Cut * Kerf * Feed Rate * Factor) ÷ 144Gullet Capacity Needed Formula
Chipload * Depth of Cut * 2.5Tooth Pitch Formula
Circumference ÷ # of Teeth