Gear cutting – milling – or planing – Milling – Work support
Patent
1982-06-24
1985-05-21
Briggs, William R.
Gear cutting, milling, or planing
Milling
Work support
106 388, 164 45, 269 47, 409130, B23Q 302
Patent
active
045182884
ABSTRACT:
A block of machinable wax (B) is anchored to a fastening plate (A) with a layer of adhesive (20) in one embodiment and with wax machine screws (30, 32, 34) in another embodiment. The fastening plate and machinable wax block are adapted to be used in machine tools, such as numerical controlled apparatus for producing patterns and prototypes. The block of wax has a composition which includes 5 to 15 percent by volume paraffin wax with a melting point of 150.degree. F. to 152.degree. F.; 5 to 15 percent by volume microcrystalline wax having a melting point of substantially 190.degree. F. to 192.degree. F.; 5 to 10 percent by volume ethylene/vinyl acetate copolymer having a melting point of substantially 210.degree. F.; 25-35 percent by volume nonemulsifiable polyethylene wax having a melting point of substantially 240.degree. F.; 40 to 50 percent by volume nonemulsifiable polyethylene wax having a melting point of substantially 220.degree. F.; and sufficient blue oil dye to impart a dark blue color to the wax block.
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"Prototype Patterns for Investment Casting," by Timothy L. Coghill, Precision Metal/Jun. 1979.
Product Data Sheets: Chevron 150; Bareco 185; Elvax 420; Allied 8; Epolene C-10.
Briggs William R.
Turco Loreto
Webb Glenn L.
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