Method and apparatus for drilling of holes into the mantle of a

Details Method and apparatus for drilling of holes into the mantle of a Method and apparatus for drilling of holes into the mantle of a

1991-03-12

1992-02-25

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408 51, 408 92, 408 95, B23B 3500, B23B 4100

Patent

active

050908464

ABSTRACT:
A method and apparatus for drilling holes into the mantle of a cylinder in a paper machine while the cylinder is in its place of operation in a paper machine is disclosed. After each cycle of drilling, a multi-spindle drilling machine is transferred along guide rails supported against a cylinder adjacent to the cylinder to be machined. Prior to drilling, the drill equipment is tensioned between the mantle face of the cylinder to be machined and the mantle face of the adjacent cylinder.

REFERENCES:
patent: 780799 (1905-01-01), Kabaker
patent: 1399073 (1921-12-01), Pahmeyer et al.
patent: 1559359 (1925-10-01), Pahmeyer
patent: 1854053 (1932-04-01), Millspaugh
patent: 2506202 (1950-05-01), Folkerth, Sr.
patent: 4674925 (1987-06-01), Thornton et al.

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