Cutting by use of rotating axially moving tool – Tool-support with means to move tool relative to tool-support – To move radially
Patent
1985-12-19
1987-04-28
Briggs, William R.
Cutting by use of rotating axially moving tool
Tool-support with means to move tool relative to tool-support
To move radially
408143, 408157, B23B 5100
Patent
active
046610278
ABSTRACT:
A revolving drill head or the like with finely adjustable tool carriers at right angles to its longitudinal axis having high rigidity material-elastic intermediate members operable by a hydraulic pressure medium supplied coaxially to the shaft of the drill head in a feed mechanism, which is positioned in fixed manner between the shaft and the tool carrier and having two flange-like connecting parts to the shaft or tool carrier connected by two axially parallel, resilient parts at right angles to the shaft axis as a parallel guide and with counter-directed, diametrically facing shaft axis parallel extensions which are symmetrical to and spaced from the shaft axis and between which is provided an expansion member as a material-elastic intermediate member in a plane at right angles to the shaft axis, each of the flange-like connecting parts has a compensating device diametrically facing with respect to the shaft axis the extension fixed thereto for compensating its unbalance in at least one relative position of the one flange-like connecting part with respect to the other flange-like connecting part and the flange-like connecting parts are jointly surrounded by a cylindrical sleeve, characterized in that the sleeve for forming the compensating means comprises two pipe parts (28), (30) with in each case an eccentric center of gravity with respect to the shaft axis and whereof each is fixed to one of the flange-like connecting parts (5), (6) and which can be freely moved against one another at least to the extent of the relative movement thereof on operating the feed mechanism.
REFERENCES:
patent: 4278372 (1981-07-01), Heisner
Gerk Wilfried
Klee Gerhard
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