Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1985-10-08
1987-07-28
Olszewski, Robert P.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51141, 51289R, 51328, 51394, B24B 100, B24B 2904
Patent
active
046824448
ABSTRACT:
A microfinishing apparatus and method is disclosed particularly useful for microfinishing workpiece surfaces such as are found in journal bearings and cylinder bores. This invention improves over conventional machines and methods wherein coated abrasive tape is brought into contact with a relatively rotating workpiece surface and is pressed against that surface by an elastomeric plastic insert. According to this invention, the insert is made from a relatively rigid substance such as honing material stone. Since the insert is made from a rigid material, the insert surface shape is generated in the workpiece surface and therefore geometry corrections in the workpiece surface can be accomplished. In alternate embodiments of this invention, the rigid inserts have relieved portions or noncylindrical surfaces such that a desired surface profile in the workpiece surface is generated. In another embodiment, one or more flexible inserts are added to the rigid insert enabling the fillet radius area to be microfinished. In yet another embodiment, coated abrasive tape includes a multiplicity of perforations thereby permitting the exchange of cutting fluids between the surfaces. Finally, several structures for supporting the rigid inserts for slight rotation relative to the workpiece surface are described.
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Oldsmobile Drawing Number 47382 JF, Sheet 30, dated 11/17/55.
Oldsmobile Drawing Number 47381 MF, Sheet 11, dated 11/01/55.
Oldsmobile Drawing Number 83559 MF, Sheet 5, dated 04/04/1972.
Oldsmobile Drawing Number 83559 MF, Sheet 12, (date unknown).
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Judge Norman R.
Judge, Jr. Edward E.
Reiser Arthur G.
Industrial Metal Products Corporation
Olszewski Robert P.
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