A salt fog etching unit for on rolling contact fatigue testing machine

The utility model relates to a test device field especially relates to a salt fog etching unit for on rolling contact fatigue testing machine. It includes salt fog feeding device and corrodes the case, salt fog feeding device includes the liquid reserve tank, and the inside stock solution chamber that forms of liquid reserve tank, the upper end of liquid reserve tank are equipped with the notes liquid mouth with stock solution chamber intercommunication, and the bottom of liquid reserve tank is equipped with the heater strip, be equipped with on the liquid reserve tank with the bellows of stock solution chamber intercommunication, the entrance of bellows is equipped with the forced draught blower, corrode incasement portion and form the corruption chamber that is used for holding the sample, the export of bellows with corrode the chamber intercommunication. The utility model discloses a salt fog feeding device creates a salt fog A corrosive environment in corroding the case to for providing lubricating oil fo