Gear cutting – milling – or planing – Milling – With cutter holder
Patent
1991-07-03
1992-07-07
Briggs, William
Gear cutting, milling, or planing
Milling
With cutter holder
279 201, 279 208, 285381, 403272, 408240, B23C 526, B23B 3110
Patent
active
051277808
ABSTRACT:
An expandable holding device for holding a component in which the clamping force is brought about by the solidification and expansion of a fusible alloy. The alloy is contained in an expansion chamber defined in part by a thin-walled, expansion sleeve. The alloy has a low melting point and expands when it solidifies. The pressure caused by expansion of the fusible alloy radially expands the expansion sleeve causing the expansion sleeve to grip the component. To release the component, the alloy is heated and liquified so that the expansion sleeve returns to an unexpanded condition.
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Hertel Catalog, 1001GB, "High-performance Tools for Machining Centres", (6 pages).
Schunk USA High Technology Workholding Catalog, "Ultra Precision Hydraulic Chucks/Expanding Arbors", (4 pages).
Briggs William
Kennametal Inc.
Porcelli James G.
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