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Lamination manufacturing method for large-size and complex-structure metal component

A technology with complex structure and metal components, applied in the field of parts manufacturing, can solve the problems of difficulty in manufacturing complex special-shaped structures and large-sized metal components requiring high performance, and achieve the effect of high-efficiency forming

Active Publication Date: 2017-05-17
HARBIN INST OF TECH
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Problems solved by technology

[0006] The present invention is to solve the problem that traditional mechanical processing, integral plastic forming and existing additive manufacturing methods are difficult to manufacture large-scale metal components with complex special-shaped structures and high-performance requirements, and proposes a lamination of large-scale complex metal components Manufacturing method

Method used

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  • Lamination manufacturing method for large-size and complex-structure metal component
  • Lamination manufacturing method for large-size and complex-structure metal component
  • Lamination manufacturing method for large-size and complex-structure metal component

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Embodiment Construction

[0022] see Figure 1-Figure 8 Explain that a laminated manufacturing method of large-scale complex metal components is realized according to the following steps:

[0023] Step 1. Obtain the three-dimensional digital model of the large-scale complex metal component 1, select a direction on the model according to the service characteristics and the structural characteristics of the large-scale complex structure component 1, and divide the model into several slices perpendicular to the selected direction 5 , the thickness of each sheet 5 is selected according to the characteristics of the large-scale and complex metal member 1 and the thickness of the actually available metal sheet 2, and the thickness is in the order of millimeters;

[0024]Step 2, select the actual available metal sheet 2 corresponding to the thickness of each sheet 5 divided in step 1, and carry out machining to each sheet 2 of metal to obtain the formed sheet 2 consistent with the model of each sheet 5 in ste...

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Abstract

The invention discloses a lamination manufacturing method for a large-size and complex-structure metal component and relates to a part manufacturing method in order to solve the problem that large-size metal components which have complex special-shaped structures and high performance requirement are difficult to manufacture through traditional machining, overall plastic shaping and existing additive manufacturing methods. The manufacturing method includes the steps that firstly, a three-dimensional digital model of the large-size and complex-structure metal component is acquired, and is divided into a plurality of sheet layers; secondly, actually-usable metal plates corresponding to the thickness of the sheet layers divided in the first step are selected, and are machined so that formed plates consistent with the model of the sheet layers in the first step can be obtained; thirdly, the pieces of formed plates obtained through machining in the second step are stacked according to the sequence of the sheet layers corresponding to the first step; and fourthly, after all the formed plates are connected into a whole, and the required large-size and complex-structure metal component is obtained. The lamination manufacturing method is used for forming the large-size deep cavity inner hole complex structure component.

Description

technical field [0001] The invention relates to a method for manufacturing parts, in particular to a method for manufacturing large-sized and complex components by laminating metal plates. Background technique [0002] In recent years, with the continuous development and progress of science and technology, the structure and function of mechanical equipment or devices have become increasingly complex, requiring large-scale, lightweight, and structural-functional integration of components, which pose higher requirements and new challenges for manufacturing technology . Among them, the manufacture of large-scale (more than 1000 mm in one direction) structurally complex metal components, such as load-bearing components with complex inner holes and light-weight components with complex rib structures, has become the focus of modern manufacturing technology development. For large-scale metal components with complex structures, a large amount of cutting is required by the machining...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B32B37/12B32B37/10B32B38/18
CPCB23P15/00B32B37/10B32B37/12B32B38/1841B23P2700/12B32B15/01B32B38/0012B32B38/0004B32B3/266
Inventor 何祝斌张坤朱海辉苑世剑
Owner HARBIN INST OF TECH
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