Pneumatic needling device
AssigneeMTU Aero Engines AG
InventorsJanne EHRL, Holger POLANETZKI
Life of this patent
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Abstract
The invention relates to a pneumatic needling device for the local surface treatment, more particularly fastening, of components, comprising a first and a second needle (2) that can move in a needle direction; a first and a second piston chamber (3) for applying pneumatic pressure to the first and second needles in the needle direction; a pressure supply (1) that can be connected to and disconnected from the piston chambers, more particularly as a result of a movement of the needles in the needling device; a pressure recording means (5) for measuring pressure fluctuations in the piston chambers; and a control means (6) designed to carry out a reaction on the basis of the measured pressure fluctuations.
Claims12
A method for operating a pneumatic needling device
- for local surface treatment, in particular strengthening, of components, having a first needle (2), which is movable in a needle direction;
- a first piston chamber (3) for the pneumatic pressurizing of the first needle in its needle direction;
- a pressure supply (1), which can be connected to and separated from the first piston chamber, in particular by a movement of the first needle in its needle direction;
- a pressure detecting means (5) for determining a first pressure fluctuation in the first piston chamber;
- a second needle (2), which is movable in a needle direction;
- a second piston chamber (3) for the pneumatic pressurizing of the second needle in its needle direction;
- a pressure detecting means (5) for determining a second pressure fluctuation in the second piston chamber;
- a pressure supply (1), which can be connected to and separated from the second piston chamber, in particular by a movement of the second needle in its needle direction;
- and
- a control means (6),
- wherein the method comprises the steps:
- determining (S10) the first pressure fluctuation in the first piston chamber (3);
- determining (S10) a second pressure fluctuation in the second piston chamber (3);
- and
- executing (S20, S40) a response (R1, R2) based on the determined first and/or second pressure fluctuation.
A pneumatic needling device for local surface treatment, in particular strengthening, of components, having
- a first needle (2), which is movable in a needle direction;
- a first piston chamber (3) for the pneumatic pressurizing of the first needle in its needle direction;
- a pressure supply (1), which can be connected to and separated from the first piston chamber, in particular by a movement of the first needle in its needle direction;
- a pressure detecting means (5) for determining a first pressure fluctuation in the first piston chamber;
- a second needle (2), which is movable in a needle direction;
- a second piston chamber (3) for the pneumatic pressurizing of the second needle in its needle direction;
- a pressure detecting means (5) for determining a second pressure fluctuation in the second piston chamber;
- a pressure supply (1), which can be connected to and separated from the second piston chamber, in particular by a movement of the second needle in its needle direction;
- and
- a control means (6), which is set up to execute (S20, S40) a response (R1, R2) based on the determined first and/or second pressure fluctuation.
Dependencies are inferred from the claim text.