Method for manufacturing babbitted bearings

Details Method for manufacturing babbitted bearings Method for manufacturing babbitted bearings

1983-04-21

1984-03-06

Hoffman, James R.

Coating processes

Interior of hollow article coating

Rotating the article

427310, B05D 136, B05D 312, C23C 104

Patent

active

044354487

ABSTRACT:
A method is disclosed for lining a bearing shell with a babbitt metal which does not require tinning of the bearing shell and does not require premelting of the babbitt metal. An inner cylindrical surface of a bearing shell is covered with a flux and lined with a solid babbitt metal. The shell and babbitt metal are rotated about a horizontal axis coaxial with the cylindrical axis of the shell at a rotational velocity sufficient to generate an acceleration at the radially inner surface of said shell of about 20 g's. The babbitt metal and flux are heated to a temperature sufficient to melt the babbitt and the flux and metallic oxides and other impurities at the interface of the babbitt metal and bearing shell are urged toward the axis of rotation permitting a strong metallurgical bond between the babbitt and bearing shell. The shell is cooled and the impurities are machined from the radially inner surface of the babbitt metal.

REFERENCES:
patent: 4117580 (1978-10-01), Heck

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