| 摘要 |
A vibratory apparatus for applying oil-retaining craters on shaft necks comprises a bath, a nozzle, a tip, a chamber with a membrane connected to a vibrator, a distribution network. In the bath a check valve is mounted, which by channels connects the bath with the chamber cavity and tip channel and its passage diameter is made according to the relationship: D=(0.5-0.8)d, where D- drift diameter of check valve; d- inner diameter of tip at the outlet. |
