Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent
1989-11-07
1991-02-12
Schmidt, Frederick R.
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
51272, 51 95R, 51356, B24B 5502, B24B 5504, B24B 500
Patent
active
049913581
ABSTRACT:
An arrangement for protecting the slides of a machine tool in general and a creep feed grinding machine in particular against the corrosive and heat effects of the coolant medium for the machine. The machine includes two servo-motor driven slides which are movably mounted on a first base. A second slide is normally movably mounted on top of a first slide of the two slides. A first bushing is mounted in the second slide and a support column is reciprocally, vertically mounted in the first bushing. A machine tool, such as a motor-driven grinding wheel, is mounted on the first column. A second base is rigidly mounted on the first base. A bearing is mounted in the second base and a support shaft carrying a workpiece table is rotatably mounted about a vertical axis in the bearing. The second base has an opening and the support column extends through this opening. The interior diameter of the opening is larger than the exterior diameter of the support column. A mechanism for reciprocally vertically moving the support column is mounted on the second base. The support column is horizontally and vertically movable in the opening of the second base. A first cover surrounding the first bushing. A second bushing mounted in the opening and being surrounded by a second cover. The first cover has a vertical wall which extends up to the undersurface of the second cover. A cooling medium storage tank conducting cooling medium via a nozzle to the contact region between the grinding wheel and a workpiece mounted on the workpiece table. The first and second cover preventing the cooling medium from contacting the first and second slides.
REFERENCES:
patent: 2799975 (1957-07-01), Ashenfelder
patent: 4115956 (1978-09-01), Huffman
patent: 4423568 (1984-01-01), Gould
patent: 4481741 (1984-11-01), Bouladon
International Tool Machines, Inc.
Schmidt Frederick R.
Watson Bruce P.
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