# Setting Oil-Air Pulse Volume Without Flooding Seals

Too large a pulse floods labyrinths; too small starves the film during acceleration. Start from injector catalog volume, then trim against outer-ring temperature and oil mist at drains. Dry air and clear returns matter as much as the oil grade.

Tune doses with spindle oil-air pulse guidance. Shandong TFL Bearing Co., Ltd lists practical air dew-point and purge checks.

Bookmark spindle-bearings.com next to the lubricant SDS on the spindle cart.