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Snakelike runner movable formwork cluster hole electrochemical machining device and machining method

A technology of movable template and processing device, applied in electrochemical processing equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of poor processing quality and unguaranteed processing uniformity.

Active Publication Date: 2014-06-04
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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AI Technical Summary

Problems solved by technology

[0005] The present invention aims to improve the relatively poor processing quality and unguaranteed processing uniformity existing in the existing electrolytic processing technology with wide flow channels and groups of holes, and proposes a method that can quickly discharge processed products, improve processing quality, and improve flow field distribution uniformity. Serpentine channel group hole electrolytic machining device and machining method thereof

Method used

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  • Snakelike runner movable formwork cluster hole electrochemical machining device and machining method
  • Snakelike runner movable formwork cluster hole electrochemical machining device and machining method
  • Snakelike runner movable formwork cluster hole electrochemical machining device and machining method

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Embodiment Construction

[0019] 1. Figure 4 The workpiece 20 and the mask cathode 18 are shown fixed to the clamp body by positioning pins.

[0020] 2. figure 2 The clamp shown is the lower clamp 22, which is clamped and fixed with the symmetrical upper clamp 17 by the air cylinder.

[0021] 3. figure 2 The shown liquid inlet 1 is connected with the liquid inlet pipe, and the liquid outlet 4 is connected with the liquid outlet pipe.

[0022] 4. The workpiece anode 20 is connected to positive electricity, and the mask plate cathode 18 is connected to negative electricity.

[0023] 5. Open the ball valve 15 and gate valve 12 of the electrolyte circulation system, open the multistage centrifugal pump 11, and adjust the pressure by observing the pressure gauge 14 and rotating the ball valve 15.

[0024] 6. Adjust the power supply parameters.

[0025] 7. Turn on the power supply 23 to perform electrolytic machining of group holes.

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Abstract

The invention relates to a snakelike runner movable formwork cluster hole electrochemical machining device and a machining method and belongs to the technical field of electrochemical machining. The snakelike runner movable formwork cluster hole electrochemical machine device and machining method are characterized in that a traditional wide runner is changed into a snakelike runner, the runner is narrowed, and flow field distribution evenness on the cross section of the runner in a machining area is improved; the flow velocity of the machining area is relatively improved, machined products can be fast discharged, electric field and flow field parameters are reasonably selected, the flow field state of the machining area can be stable, and machining quality is improved. The machining device comprises a power supply, an electrolyte circulation system, an electrochemical machining machine tool, a mask plate negative electrode and a tool clamp. The snakelike runner movable formwork cluster hole electrochemical machining device and the machining method have important significance in improving the cluster hole electrochemical machining flow field distribution evenness and ensuring that a large-area thin-wall hole plate can be machined at a time.

Description

Technical field [0001] The invention relates to an electrolytic machining device and a machining method for a group of holes in a movable template of a serpentine flow channel, and belongs to the technical field of electrolytic machining. Background technique [0002] At present, the common group hole processing methods are: mechanical processing, laser processing, EDM, electrochemical jet processing, photographic electrolytic processing, etc. However, the above-mentioned methods all have some deficiencies that are difficult to overcome when processing the multi-hole structure of the thin plate of difficult-to-cut materials. For example, deformation is easy to occur due to the concentration of residual stress in mechanical processing; there is a heat-affected zone on the surface of the workpiece processed by laser processing technology and EDM technology, and the workpiece is prone to thermal deformation resulting in microcracks; Fragile, not suitable for array porous proce...

Claims

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Application Information

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IPC IPC(8): B23H9/16B23H3/00
Inventor 李寒松曲宁松朱荻王国乾
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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