Gear cutting – milling – or planing – Milling – Including means to adustably position cutter
Reexamination Certificate
2007-08-21
2010-12-28
Cadugan, Erica E (Department: 3726)
Gear cutting, milling, or planing
Milling
Including means to adustably position cutter
C409S201000, C409S212000
Reexamination Certificate
active
07857558
ABSTRACT:
A milling machine (1) for the machining of large components includes a milling head (9) which includes a support beam (8) which is movable along a longitudinal axis (Z); a pivot body (14) which is supported and guided by the support beam (8) by way of a curved guide arrangement (36) so as to be pivotable about a first pivot axis (B) which extends normal to the longitudinal axis (Z) and a motor milling spindle (11) which is supported on the pivot body (14) so as to be pivotable about a second pivot axis (A) which extends normal to the first pivot axis (B). The rotation of the pivot body (14) and of the milling spindle (11) is controlled by drive arrangements (37, 50) assigned to the pivot axis (A, B). The curved guide arrangement (36) includes guide carriages (34) attached to them support beam (8) and a circular arc segment-shaped guide track (32) which is attached to the pivot body (14) and which provide for pivot range about the first pivot axis (B) of at least 180.degree.. A cavity (31) provided in the pivot body (14) for the accommodation of the milling spindle (11) provides for a pivot range of at least about 180° about the second pivot axis (A). The milling head (9) is compact and light-weight in its design and has a relatively small unobtrusive contour whereby the manufacture of complex surfaces is made possible with high quality and a relatively short machining time.
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Bach K.
Cadugan Erica E
F. Zimmerman GmbH
Lombard R. S.
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