Gear cutting – milling – or planing – Milling – Means to remove scale or raised surface imperfection
Patent
1986-09-19
1987-12-29
Bilinsky, Z. R.
Gear cutting, milling, or planing
Milling
Means to remove scale or raised surface imperfection
82 15, 409143, B23C 302
Patent
active
047157518
ABSTRACT:
Device for the internal machining of a tube comprising a mobile assembly which can be located in the tube and having a first part with at least two centering bearings and two rotors, and a second part linked in radially sliding manner with the first part and having a machining tool able to machine the interior of the tube, one of the said rotors driving the machining tool via a transmission shaft and the other of the said rotors rotating said second part; as well as a fixed assembly arranged around the tube and having first and second magnetic devices, each establishing a rotary magnetic field able to rotate the two rotors and a third magnetic device establishing a rotary magnetic field able to displace the said second part radially with respect to the first part, while rotating in phase with the second part.
REFERENCES:
patent: 1912419 (1933-06-01), Whitman
patent: 2441158 (1948-05-01), Krasnow
patent: 3070053 (1962-12-01), Woolley
patent: 3844007 (1974-10-01), Kojima
patent: 4327526 (1982-05-01), Pettyjohn et al.
Bilinsky Z. R.
Commissariat a l''Energie Atomique
Kirby Thomas F.
Nilles James E.
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