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Gear Tooth Proportions: worm
worm full english worm working depth to worm full metric worm 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) |
|---|---|---|---|---|---|---|---|
| worm | worm full english worm working depth | 2/P a | worm working depth | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 2 |
| worm | worm full metric fillet radius | 0.3*m a | fillet radius | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 0.3 |
| worm | worm full metric wheel addendum | 1.0*m a | wheel addendum | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 1 |
| worm | worm full metric wheel dedendum | 1.167*m a | wheel dedendum | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 1.167 |
| worm | worm full metric wheel throat radius | (D w/2) - m a | wheel throat radius | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 1 |
| worm | worm full metric worm addendum | m a | worm addendum | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 1 |
| worm | worm full metric worm axial pitch | pi*m a | worm axial pitch | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 3.141593 |
| worm | worm full metric worm clearance | 0.167*m a | worm clearance | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 0.167 |
| worm | worm full metric worm dedendum | 1.167*m a | worm dedendum | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 1.167 |
| worm | worm full metric worm tooth thickness | pi*m a/2 | worm tooth thickness | 20 | AGMA 341.02 / ANSI/AGMA 6022 | full depth | 1.570796 |
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