
KHK Worms and worm gears
High wear-resistance
and precision

(Ground worms and worm gears)
KHK's high grade worms and worm gears are especially designed
to be used in high efficiency and high reduction ratio situations. Teeth
surfaces of the worms are ground after induction hardening. These products
are offered in module 0.5 to 6 and reduction ratios of 1/10 to 1/60.
(Worms and worm gears)
Standard worm gear sets come in module 0.8 to 6 and gear ratios
of 1/10 to 1/120. KHK supplies right-hand as well as left-hand thread sets.
| Item | Module | Speed ratio/No. of teeth | Material |
|---|---|---|---|
| Duplex lead worms and worm gears (*1) | 2-6 | 20-60 | Steel, Aluminum bronze |
| Ground worms and worm gears (*1) | 0.5-6 | 1-3 (threads) 1/10-1/60 | Steel, Aluminum bronze |
| Worms and worm gears | 0.8-6 | 1-2 (threads) 1/10-1/60 | Steel, Cast iron, Aluminum bronze |
| Plastic worms and worm gears | 1-3 | 1/10-1/60 | Nylon |
| (*1) Ground and induction hardened gear
teeth Note: All gears have machined teeth. |
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| Duplex Worms, Worm Gears(KWGDL-AGDL) | Duplex Worms, Worm Shafts(KWGDLS-AGDL) | Worm Gears, Worm Shafts (KWG-AG) |
|---|---|---|
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| Worm Gears, Worm Shafts (KWG-AGF) | Worm Gears, Worm Shafts (KWG-AGF) | Ground Worms,Worm Gears (SWG-AG) |
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| Worms,Worm Gears(SW-CG) | Worms,Worm Gears(SW-CG) | Worms,Bronze Worm Gears(SW-BG) |
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| Worms,Plastic Worm Gears(SW-PG) |