EXCHANGEABLE MODULE FOR A MACHINING HEAD OF A LASER MACHINING TOOL
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United States of America Patent
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Issued Date -
Feb 3, 2011
app pub date -
Nov 25, 2008
filing date -
Nov 26, 2007
priority date (Note) -
Abandoned
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Abstract
The invention relates to an exchangeable module (20) for a modular machining head (10) of a laser machining tool (1) for machining a workpiece (2) by means of a laser beam (5), the carrying structure (30) of which is configured as a hollow part and a driven part is configured as piston unit (26), which is disposed in a cavity of the hollow part and which is guided on a cavity wall (45) of the cavity. The piston unit (26) encompasses a passage duct (29) for the laser beam (5) and a focusing lens (25) is disposed in the passage duct and is attached to the piston unit. The piston unit (26) encompasses opposite piston surfaces (41.1, 42.1), and to which fluid pressure can be applied in each case, so that the focusing lens (25) is capable of being moved forwards and backwards across a readjusting area as a function of the pressure application of the opposite piston surfaces (41.1, 42.2), and is capable of being held fluidically at any position of this readjusting area. The invention furthermore relates to a combination of a modular machining head and this exchangeable module, as well as to a laser machining tool comprising this combination.
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