Gear cutting – milling – or planing – Milling – Including means to infeed rotary cutter toward work
Patent
1978-12-13
1981-01-20
Bilinsky, Z. R.
Gear cutting, milling, or planing
Milling
Including means to infeed rotary cutter toward work
409199, 409200, B23C 334
Patent
active
042459397
ABSTRACT:
A spherically shaped combustion chamber is machined in the cylinder head of an internal combustion engine by revolving one or more cutting tools simultaneously about two axes; one axis being the central axis of the combustion chamber and the other axis being inclined thereto. The tools have a cutting point and a cutting edge extending from the cutting point. The tools are supported so that each cutting point passes through the axis of the combustion chamber, and, when each tool is located in its radially outermost position relative to the axis of the combustion chamber, the cutting edge of the tool cuts an annular surface around the periphery of the spherically shaped portion of the combustion chamber, which, at the bottom face of the cylinder head, corresponds in diameter to that of the cylinder bore.
REFERENCES:
patent: Re15707 (1922-12-01), Jolls
patent: 2367221 (1945-01-01), Kraus
patent: 2728268 (1955-12-01), Clifton et al.
patent: 3584534 (1971-06-01), Hougen
patent: 3716900 (1973-02-01), Erkfritz
patent: 3773665 (1973-05-01), Spriggs
Bilinsky Z. R.
F. Jos. Lamb Company
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