Long and thin inner cavity deep hole splitting method for aircraft engine
An aero-engine and engine technology, which is applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve problems such as increased repair costs and extended engine delivery cycles, achieving cost savings, breaking technology monopoly, and shortening repair cycles.
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[0021] Embodiment 1: the present invention comprises the steps:
[0022] (1) Measuring size: measure the axial distance a from the tension pipe 4 to the opening end of the intake side of the low-pressure rotor of the engine, as a reference dimension for cutting the tension pipe 4, such as figure 1 shown;
[0023] (2) Measure the amount of entry through the disassembly device and calculate the disassembly depth: the 7 end of the cutter of the disassembly device enters from the intake side of the engine, measure the entry amount b of the disassembly device, and when a-b≤0.1mm, it is determined as a disassembly device The 8 ends of the guide mandrel are in contact with the tension tube 4 end faces, such as figure 1 , figure 2 shown;
[0024] (3) Cutting of high-temperature alloy deep holes: the dismantling device starts to dismantle the tensioning tube 4 from the boss 12, when the outer diameter of the tensioning tube 4 is the same as the outer diameter of the tool 7 of the d...
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