System with double inner liquid spraying tool cathodes and electrolytic grinding and milling method of system with double inner liquid spraying tool cathodes

A tool cathode and electrolyte technology, which is applied to the double internal jet tool cathode system and the field of electrolytic milling, can solve the problem of prolonging the processing time, changing the error and poor machining allowance, and reducing the machining accuracy and machining efficiency of the electrolytic milling. and other problems, to achieve the effect of improving processing efficiency and processing accuracy, and increasing processing flexibility

Active Publication Date: 2016-08-17
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI Technical Summary

Problems solved by technology

Such a processing scheme requires repeated disassembly and clamping of the cathode of the grinding head, which is prone to reassembly errors and poor

Method used

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  • System with double inner liquid spraying tool cathodes and electrolytic grinding and milling method of system with double inner liquid spraying tool cathodes
  • System with double inner liquid spraying tool cathodes and electrolytic grinding and milling method of system with double inner liquid spraying tool cathodes
  • System with double inner liquid spraying tool cathodes and electrolytic grinding and milling method of system with double inner liquid spraying tool cathodes

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Example Embodiment

[0018] according to figure 1 , figure 2 with image 3 As shown, the main shaft transmission device for cathodic electrolytic milling with double internal spray tools is composed of the following parts: The electrolytic milling machine main shaft 4 drives two hollow drive shafts 5 to rotate simultaneously through the transmission spur gear set 1, and then the drive shaft 5 drives The rotary joint 6 at the top end and the water stop chuck 7 at the end rotate together. Both the machine tool 4 and the transmission shaft 5 are supported by two angular contact bearings 3. The spur gear set is externally meshed with two driven small spur gears of the same size through a driving large spur gear, and the two small spur gears are not in contact and are separated from each other. Distance, the gear is positioned by the shaft shoulder, the sleeve 2 and the key, and is installed according to the standard.

[0019] Combine below figure 1 , figure 2 , image 3 , Figure 4 with Figure 5 Expl...

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Abstract

The invention relates to a system with double inner liquid spraying tool cathodes and an electrolytic grinding and milling method of the system with the double inner liquid spraying tool cathodes and belongs to the field of electrolytic grinding composite machining. A machine tool main shaft drives two hollow transmission shafts to rotate through a transmission straight gear set so that rotating connector inner rings at the top ends of the transmission shafts and water stopping chucks at the tail ends of the transmission shafts can be driven to rotate at the same time. The tool cathodes of different design requirements can be clamped on the water stopping chucks. Rotating connectors input electrolyte into a dynamic rotating system from a static system, and the electrolyte is directly jetted to a machined surface of a workpiece through transmission shaft through holes and tool cathode inner holes. In this way, complicated thin-wall structures, symmetrical molded faces and the like can be machined in an inner liquid spraying electrolytic grinding and milling manner through a main shaft transmission device, the machine tool main shaft is free of influences of electrolyte corrosion, the machining allowance difference is reduced, the machining depth is increased, and the machining precision, the machining efficiency and the machining flexibility are improved.

Description

technical field [0001] The invention relates to a cathode system of a double internal spray liquid tool and an electrolytic grinding and milling method thereof, belonging to the field of electrolytic grinding composite processing. Background technique [0002] Metal materials such as superalloys and titanium alloys have excellent mechanical and physical properties such as high temperature resistance, corrosion resistance, high specific strength, and high thermal strength, and have been widely used in aviation, aerospace, navigation and other industrial fields. However, superalloys and titanium alloys are typical difficult-to-machine materials. When metal cutting methods are used for processing, due to high processing temperature and high cutting force, the tool wears seriously and the processing quality of the workpiece is poor. Especially for some aero-engine products made of high-temperature alloys or titanium alloys, such as casings, flame tubes, blisks, blades and other ...

Claims

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Application Information

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IPC IPC(8): B23H5/08
CPCB23H5/08
Inventor 李寒松牛屾曲宁松付书星
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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