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Radial diffuser channel pretreatment method

A radial diffuser and pretreatment technology, applied in metal processing equipment, manufacturing tools, electrochemical processing equipment, etc., can solve the problem of inability to realize the processing of the flow channel between the blades of the radial diffuser, and avoid excessive processing. , the effect of avoiding burns

Active Publication Date: 2020-09-11
CHINA HANGFA SOUTH IND CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a radial diffuser channel pretreatment method to solve the problem that the traditional mechanical processing method cannot realize the processing of the radial diffuser interblade flow channel

Method used

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Embodiment Construction

[0047] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0048] figure 1 is a schematic diagram of a radial diffuser in a preferred embodiment of the present invention; figure 2 is a schematic diagram of the inter-blade flow channel in a preferred embodiment of the present invention; image 3 Yes figure 2 The D-D profile; Figure 4 Yes figure 2 The E-E profile; Figure 5 Yes figure 2 The F-F profile; Image 6 Yes figure 2 The G-G cross-section; Figure 7 It is a schematic flow diagram of the radial diffuser interblade flow channel processing method of the preferred embodiment of the present invention; Figure 8 It is a schematic diagram of a short circuit between the cathode and the workpiece; Figure 9 It is a schematic flow chart of t...

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Abstract

The invention provides a radial diffuser channel pretreatment method. The method comprises the following steps that S21, an electrolytic machining environment is prepared; S22, a through-hole cathodeis used for carrying out vibration feeding electrolytic machining on a channel of a radial diffuser at the feeding speed of 5mm / min-6mm / min, and the channel is broken through by using a burr working section of the through-hole cathode; and S23, the through-hole cathode is used for carrying out vibration feeding electrolytic machining on the channel of at the feeding speed of 3mm / min-4mm / min, uneven allowance on the inner wall of the channel is eliminated by using an inner wall working section of the through-hole cathode. Burrs can be eliminated through the burr working section of the through-hole cathode to break through the channel, the problem that a short circuit is generated by contact between a forming cathode and burrs when the forming cathode carries out vibration feeding electrolytic machining on the channel is avoided, the uneven allowance on the inner wall of the channel can be eliminated by using the inner wall working section of the through-hole cathode, and the problem that a short circuit is generated by contact between a forming cathode and the inner wall of the channel when the forming cathode carries out vibration feeding electrolytic machining on the channel is avoided.

Description

technical field [0001] The invention relates to the technical field of radial diffuser interblade flow channel processing, in particular to a radial diffuser channel pretreatment method. Background technique [0002] like figure 1 As shown, the main structural features of the radial diffuser 1 are as follows: along the circumferential direction of the radial diffuser 1, a plurality of interblade channels 4 are evenly distributed, and the interblade channels 4 are used as air channels for radial expansion. Compressor 1 intake and diffuser. like figure 2 , image 3 , Figure 4 , Figure 5 and Image 6 As shown, the interblade flow passage 4 is narrow and shaped as a deep cavity, including a throat region 41 for intake air and a diffuser region 42 for diffusion. [0003] The material of the radial diffuser 1 is GH4169, which is a difficult-to-cut material. The profile of the interblade flow channel 4 is complex and requires high machining accuracy. Traditional machining...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H9/00B23H3/00
CPCB23H3/00B23H9/00
Inventor 岳磊易鹏马鑫王志杰周辉炼
Owner CHINA HANGFA SOUTH IND CO LTD
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