Detachable combined tool cathode and electrolysis milling method thereof

Abstract

The invention belongs to the field of electrolysis milling combined machining and relates to a detachable combined tool cathode and an electrolysis milling method thereof. The detachable combined tool cathode comprises a grinding head, a seal ring and a tool bar. The lower side wall and the bottom surface of the grinding head are provided with liquid outlet holes and electroplated with abrasive particle layers, and the lower end face of a hexagonal flange of the grinding head is coated with an insulating layer. In mounting, the grinding head and the tool bar are in threaded connection, and the seal ring is inserted into a retaining groove of the tool bar. By adoption of the tool cathode, drilling type machining at any position of the upper surface of a workpiece to a required depth can be performed prior to performing of milling type machining for acquisition of a required structure. Tool cost in electrolysis milling can be sharply reduced, and a technical application range can be expanded.

Description

technical field [0001] The invention relates to a detachable combined tool cathode and an electrolytic grinding and milling processing method thereof, belonging to the field of electrolytic grinding composite processing. Background technique [0002] Metal materials such as nickel-based superalloys and titanium alloys have been widely used in aerospace, shipbuilding, petroleum and other industries. Taking the aviation manufacturing industry as an example, the use of nickel-based superalloys has accounted for 57% of the total mass of the PW4000 engine, and the use of titanium alloys has accounted for 41% of the total mass of the fourth-generation fighter F-22. However, due to the high temperature strength and low thermal conductivity of these materials, the cutting force is large, the cutting temperature is high, the tool wear is serious, and the work hardening is significant during the cutting process. At the same time, due to the structural design characteristics of aircra...

AI Technical Summary

Problems solved by technology

Since the tool cathode needs to have a certain length for easy installation and positioning, the depth-to-diameter ratio of the processed blind hole is generally large, and it is often very labor-intensive to manufacture

For example, when machining a blind hole, the chips generated must be blown out with an air gun in time, otherwise it is easy to block the feed and even cause damage to the tool

In addition, in actual production, there are often many structural parts that need to be manufactured from the upper surface of the workpiece, but for electrolytic milling, since the liquid outlet hole is usually only designed on the side wall of the tool cathode, the tool cathode is also Material removal can only be started at the side wall of the workpiece, limiting the range of application of the technology

As a result, these problems have seriously restricted the further development and promotion of electrolytic grinding and milling technology.

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