To provide a cutting tool holder unit largely improving the service life of a cutting tool, by sufficiently supplying cutting oil to a cutting tool surface, even in processing of a complicated-shaped work like a cylinder head.
The cutting tool holder unit is composed of a cutting tool holder detachably installing the cutting tool and a flange-shaped front cover slidingly fittable to the multishaft head installing side of this cutting tool holder. The unit is characterized in that a groove formed on a front cover inner peripheral surface and a groove formed in the cutting tool holder are slidingly fitted and form a cutting oil circulating passage, and that a cutting oil injection port is opened in an upstream position of a cutting tool installing part in the rotational direction of the cutting tool holder.
SHIMOGAI KIYOSHI
TOKUNAGA TOSHITAKA
TAKEI HIROSHI
| JPH06226508A | 1994-08-16 | |||
| JPH0489610U | 1992-08-05 | |||
| JPH05337713A | 1993-12-21 | |||
| JPS62271674A | 1987-11-25 | |||
| JPH0257468A | 1990-02-27 | |||
| JPH049251U | 1992-01-27 | |||
| JPS61181638U | 1986-11-12 | |||
| JPS57153406U | 1982-09-27 |
Osamu Kataoka