Gear cutting – milling – or planing – Milling – With means to control temperature or lubricate
Patent
1985-09-06
1987-06-02
Weidenfeld, Gil
Gear cutting, milling, or planing
Milling
With means to control temperature or lubricate
279 20, 408 59, 408239R, 409234, B23B 3130
Patent
active
046699333
ABSTRACT:
A chuck for a cylindrical, rotary, metal cutting tool, such as an end mill, is provided with a liquid coolant system. The chuck has a stationary, annular collar within which a tool holder rotates at high speed. An annular channel is defined between the collar and the tool holder and liquid coolant is pumped into the collar to the channel through an inlet on the collar. Internal ducts within the tool holder are directed inwardly at an angle from the annular channel toward an end face from which a rotary tool, such as an end mill protrudes. The ducts are also oriented at an angle corresponding to the helical spiral of flutes on the end mill and are radially aligned with troughs between the flutes. Liquid coolant, such as water, is forced from the annular channel through the ducts toward the troughs between the flutes. The liquid coolant travels all the way to the tip of the end mill to cool the bit and wash chips of metal therefrom with a minimum of water being thrown from the end mill by centrifugal force.
REFERENCES:
patent: 3364800 (1968-01-01), Benjamin et al.
patent: 3436990 (1969-04-01), Tourison
patent: 3460410 (1969-08-01), Briles
patent: 4557643 (1985-12-01), Ciocci
patent: 4570952 (1986-02-01), Heimbigner et al.
Thomas Charles H.
Webb Glenn L.
Weidenfeld Gil
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