The heat of friction of the oil-starved bearing and axle ignited the cotton pad inside the journal box that normally kept oil flowing to the bearing.
During the 30's roller bearings became common, with the noticeable round covers on journal boxes.
When one journal box is done, reverse the cutting tool between the journal boxes and repeat the process for the other journal and reinsert wheelsets.
The lower part of the journal box was kept full of a mixture of oil and waste material.
Friction bearings consist of blocks of metal, usually brass, resting atop the axle and lubricated by oil-saturated wool waste enclosed in a hinged-lid journal box.
Definition of journal box in US English:
journal box
noun
Mechanics
A box that houses a journal and its bearing.
Example sentencesExamples
When one journal box is done, reverse the cutting tool between the journal boxes and repeat the process for the other journal and reinsert wheelsets.
Friction bearings consist of blocks of metal, usually brass, resting atop the axle and lubricated by oil-saturated wool waste enclosed in a hinged-lid journal box.
During the 30's roller bearings became common, with the noticeable round covers on journal boxes.
The lower part of the journal box was kept full of a mixture of oil and waste material.
The heat of friction of the oil-starved bearing and axle ignited the cotton pad inside the journal box that normally kept oil flowing to the bearing.