Retention system for rotary cutter having replaceable cutting in

Details Retention system for rotary cutter having replaceable cutting in Retention system for rotary cutter having replaceable cutting in

1985-01-24

1986-06-03

Husar, Francis S.

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 41, 407 48, 407 49, B23C 524

Patent

active

045926808

ABSTRACT:
A rotary cutter for holding replaceable cutting inserts includes a cylindrical bore having a generally radially-disposed axis which makes an acute angle with the insert cutting face, thus forming a wedge-shaped portion in the holder between the insert-supporting face and the axis of the bore. A cylindrical locking member is received in the bore. An insert-retaining locking screw threadedly engages the locking member. The wedge-shaped portion of the holder causes increased tension in the locking screw during rotation of the cutter, which insures insert retention at high rotational speeds.

REFERENCES:
patent: 3662444 (1972-05-01), Erkfritz
patent: 3708843 (1973-01-01), Erkfritz
patent: 3788625 (1974-01-01), Lindsay
patent: 3795454 (1974-03-01), Elchyshyn
patent: 3946475 (1976-03-01), Hopkins
patent: 4009742 (1977-03-01), Ziegelmeyer
patent: 4164380 (1979-08-01), Peters
patent: 4165947 (1979-08-01), Smids
patent: 4195955 (1980-04-01), Lindsay

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