| 1 | So, worm grinding technology research and development has important and real meaning. | |
| 2 | For the dimensions of the double extention worm shafts, please consider the drawing of relevant NMRV size. | |
| 3 | Do not know to when, the home of eye wheel well into the " worm" wells. | |
| 4 | And when both displacement, the same worm compressor structure size is smaller. | |
| 5 | A worm and worm wheel gives a large speed ratio but with significant sliding. |