Manufacturing process of ultra-long blade complex curved surface integral impeller made of aluminum alloy material

A technology of aluminum alloy material and integral impeller, which is applied in the direction of manufacturing tools and other manufacturing equipment/tools, etc., to achieve the effects of improving stability, ensuring reliability, and complete shape

Inactive Publication Date: 2016-08-31
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to solve the above-mentioned problems existing in the manufacturing process of an integral impeller with an ultra-long blade made of aluminum alloy and a complex curved surface, and to provide a technical solution for the manufact...

Method used

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  • Manufacturing process of ultra-long blade complex curved surface integral impeller made of aluminum alloy material
  • Manufacturing process of ultra-long blade complex curved surface integral impeller made of aluminum alloy material
  • Manufacturing process of ultra-long blade complex curved surface integral impeller made of aluminum alloy material

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Embodiment 1

[0051] This example is manufactured as attached figure 1 The complex curved integral impeller with extra-long blades shown has a part diameter of 261.9mm, a hub diameter of 108mm, a height of 38mm, a maximum thickness of the blade crown of 1.36mm, and a thinnest part of 0.39mm. The number of blades distributed around the blade circumference is Z=8. The working conditions need to meet the requirements of high speed, large thrust-to-weight ratio, high performance, high surface profile and good dynamic balance performance.

[0052] The manufacturing process technology method of the aluminum alloy material super long blade complex curved surface integral impeller of this embodiment mainly includes the following steps:

[0053] Step 1: Prepare materials:

[0054] Prepare Φ310mm×50mm aluminum alloy forging material.

[0055] Step 2: Rough machining impeller blank shape:

[0056] Roughly cut the shape of the impeller blank, reserve 25mm margin in the radial direction, and reserve ...

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Abstract

The invention relates to a manufacturing process of an ultra-long blade complex curved surface integral impeller made of an aluminum alloy material. The manufacturing process includes the specific steps of preparing materials, conducting rough machining on the profile of an impeller workblank, conducting heat treatment, conducting artificial aging, conducting semifinishing on the profile of the impeller, conducting ice-cold treatment, drilling a positioning hole, conducting five-axis linkage rough machining, conducting natural aging, conducting five-axis linkage finish machining, conducting clamp treatment, conducting numerical control turning, conducting linear cutting, conducting clamp treatment and conducting dynamic balancing. By the adoption of the process technology method, the ultra-long blade complex curved surface integral impeller made of the aluminum alloy material is manufactured, the blade shape of the ultra-long blade complex curved surface integral impeller made of the aluminum alloy material is complete, deformation is small, the blade lines of the blade faces of blades are smooth, mass reduction in dynamic balancing is small, and the yield is high; and process improvement in the integral impeller part of the structure is achieved, product quality is guaranteed effectively, the design requirement is met effectively, the stability of production quality is improved, and the reliability of products is guaranteed.

Description

technical field [0001] The invention relates to the processing and manufacturing technology of integral impeller parts, in particular to a manufacturing process of an aluminum alloy material super long blade with complex curved surface integral impeller. Background technique [0002] With the increasing number of complex structural parts in aerospace power systems and environmental control systems and the continuous improvement of manufacturing precision requirements, the manufacturing process of these parts tends to be strict. Among them, the integral impeller parts with complex curved surfaces are one of the most complex parts in this type of products, and are widely used in the fields of aviation, aerospace, military, ships, cutting-edge medical equipment and high-end industrial engineering equipment. The overall processing quality not only affects Component efficiency is more directly related to component reliability. Since the crown surface, blade surface and impeller ...

Claims

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Application Information

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IPC IPC(8): B23P15/02B23P23/04
CPCB23P15/02B23P23/04
Inventor 吴雁吕博鑫陈青云郑刚张杰人
Owner SHANGHAI INST OF TECH
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