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Main shaft executing device of regular hexagon hole through electrical discharge machining and machining method

A technology of regular hexagon and actuator, applied in electric machining equipment, machining electrodes, electrode manufacturing, etc., can solve problems such as difficulty in meeting expected machining requirements and difficulty in chip removal, so as to facilitate chip removal, improve machining efficiency, and facilitate disassembly. Effect

Pending Publication Date: 2019-07-19
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problems such as difficulty in chip removal during EDM machining of regular hexagonal holes and difficulty in meeting expected processing requirements. The present invention provides a spindle actuator and processing method for EDM machining of regular hexagonal holes.

Method used

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  • Main shaft executing device of regular hexagon hole through electrical discharge machining and machining method
  • Main shaft executing device of regular hexagon hole through electrical discharge machining and machining method
  • Main shaft executing device of regular hexagon hole through electrical discharge machining and machining method

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specific Embodiment approach 1

[0023] Specific implementation mode one: see figure 1 According to this embodiment, a spindle actuator for electric discharge machining regular hexagonal holes, the device includes a support plate 1, a DC motor 2, a motor bracket 3, a universal coupling 4, and a Leroux pentagonal cam 5 , Regular hexagonal sleeve 6, Morse taper electrode fixture 7, Leroux pentagonal electrode 8;

[0024] Among them, the motor bracket 3 and the regular hexagonal sleeve 6 are coaxially fixed on the support plate 1, the motor output shaft, the universal coupling 4, the Lelo pentagon cam 5, the Morse taper electrode fixture 7, and the Lelo pentagon The shape electrodes 8 are coaxially connected and installed sequentially, and the Leroux pentagonal cam 5 is completely fitted and installed in the regular hexagonal sleeve. After the motor is energized, the main shaft is driven to rotate, and the main shaft is connected to the universal coupling 4 to drive the Leroux pentagonal cam. 5 and the Reroux p...

specific Embodiment approach 2

[0028] Embodiment 2: The difference between this embodiment and the spindle actuator for EDM machining of regular hexagonal holes described in Embodiment 1 is that the Leroux pentagonal cam 5 and the regular hexagonal sleeve 6 Heat treatment methods such as carburizing and quenching or nitriding treatment can be used to improve the surface hardness and wear resistance of the cam mechanism. Compared with the first embodiment, it has the advantage of not requiring secondary processing, but the heat treatment process is more cumbersome.

specific Embodiment approach 3

[0029] Embodiment 3: The difference between this embodiment and the spindle actuator for electric discharge machining regular hexagonal holes described in Embodiment 1 or 2 is that the Morse taper electrode fixture 7 can be replaced with a general-purpose EDM fixture , Enhance adaptability, no need to prepare special electrode fixtures.

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Abstract

The invention discloses a main shaft executing device of a regular hexagon hole through electrical discharge machining and a machining method, and belongs to the field of electrical discharge machining. The problems of poor discharge effect of corrosion removed products, unstable discharge state and the like in the electrical discharge forming machining are solved. When the method is used for machining, a reuleaux pentagonal electrode does autorotation motion and rotates around a mandrel of a regular hexagonal sleeve with a composite motion track of a regular hexagon, so that a regular hexagonarea is swept by a tool electrode with a reuleaux pentagonal section in the electrical discharge machining. Due to the autorotation and rotating motion of the reuleaux pentagonal electrode, the corrosion removed products generated in the electrical discharge machining process can be removed out of machining gaps along with the motion of the reuleaux pentagonal electrode and flowing of a working fluid, discharging of the corrosion removed products is facilitated, and the machining efficiency of the deep regular hexagon hole can be remarkably improved. The method is mainly used for machining the regular hexagon hole.

Description

technical field [0001] The invention relates to the field of electric discharge machining, in particular to a spindle actuator for electric discharge machining regular hexagonal holes, and a machining method for machining regular hexagonal holes using the device. Background technique [0002] The regular hexagonal hole has good structural properties. The regular hexagonal structure is stable in force and has high space utilization. The same amount of material is used for processing. The regular hexagonal structure is the most material-saving way to achieve the required performance requirements. Regular hexagonal holes are widely used in the fields of aerospace, space design, and structural connections. For example, the interior of aviation equipment and the outer casing of satellites also use regular hexagonal structures, and the connections between parts also use regular hexagonal or hexagonal holes. Structure. [0003] However, the current processing methods for regular h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H3/04B23H9/14
CPCB23H3/04B23H9/14
Inventor 解宝成刘建国陈永秋
Owner HARBIN UNIV OF SCI & TECH