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Gear Tooth Proportions: spur
spur 20 stub english fillet radius to spur 20 stub metric tooth thickness
Gear tooth proportions — standard dimensions and formulas for spur, helical, bevel, and worm gears per AGMA standards
| gear type | record id | formula | parameter | pressure angle deg | standard | tooth form | value factor (dimensionless) |
|---|---|---|---|---|---|---|---|
| spur | spur 20 stub english fillet radius | 0.3/P | fillet radius | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 0.3 |
| spur | spur 20 stub english tooth thickness | pi/(2P) | tooth thickness | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 1.570796 |
| spur | spur 20 stub english whole depth | 1.8/P | whole depth | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 1.8 |
| spur | spur 20 stub english working depth | 1.6/P | working depth | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 1.6 |
| spur | spur 20 stub metric addendum | 0.8m | addendum | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 0.8 |
| spur | spur 20 stub metric circular pitch | pi*m | circular pitch | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 3.141593 |
| spur | spur 20 stub metric clearance | 0.2m | clearance | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 0.2 |
| spur | spur 20 stub metric dedendum | 1.0m | dedendum | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 1 |
| spur | spur 20 stub metric fillet radius | 0.3m | fillet radius | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 0.3 |
| spur | spur 20 stub metric tooth thickness | pi*m/2 | tooth thickness | 20 | AGMA 203.03 / ANSI/AGMA 1012-G05 | stub | 1.570796 |
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