Cutting by use of rotating axially moving tool – Machine including plural tools – Coaxial tools
Patent
1978-09-19
1980-08-05
Briggs, William R.
Cutting by use of rotating axially moving tool
Machine including plural tools
Coaxial tools
408 42, 408 51, 408 52, B23B 3916
Patent
active
042159580
ABSTRACT:
A drilling machine for working on longer workpieces, such as steel profiles having a fixed, non-variable frame. The machine includes a horizontal machine underpart arranged transversely to the longitudinal axis of the workpiece, two vertical side parts attached to the underpart ends and a horizontal upper beam attached on the side parts, and three drilling units each having a drilling spindle, a gear and a motor. The drilling units are shiftable in a plane parallel to the frame. The first drilling unit has a horizontal drilling spindle and is attached to a side part to the side of the workpiece; the second drilling unit has a second spindle arranged horizontally to the first drilling unit and on the opposing side of the workpiece; and, the third drilling unit has a vertical spindle and is attached to the upper beam. The second drilling unit has its horizontal drilling spindle on a horizontally driven carriage provided with lower wheels and upper wheels. The lower wheels on at least one rail which is attached to the machine underpart, and the upper wheels run on at least one rail which is attached to the upper beam.
REFERENCES:
patent: 1511164 (1924-10-01), Hey et al.
patent: 2803840 (1957-08-01), McShirley
patent: 3094015 (1963-06-01), Mead
patent: 3253484 (1966-05-01), Hill
patent: 3507025 (1970-04-01), Ankeney
patent: 3584523 (1971-06-01), Evans
patent: 3685915 (1972-08-01), Vierstraete
patent: 3977804 (1976-08-01), Kitagawa
patent: 4147460 (1979-04-01), Miyakawa
Briggs William R.
Nissen J. Harold
Trennjager Maschinenfabrik, Inh. Leopold Jagers
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