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Method for preparing metal product based on discrete manufacturing technology

A manufacturing technology, metal technology, applied in the field of preparing metal parts based on discrete manufacturing technology, can solve problems such as the inability to form large-scale precision metal parts, achieve the effects of shortening the manufacturing cycle, expanding the application field, and improving manufacturing efficiency

Inactive Publication Date: 2018-01-16
XIAN BRIGHT ADDTIVE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a method for preparing metal parts based on discrete manufacturing technology, which solves the problem that the existing additive manufacturing technology cannot form large-scale precision metal parts

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A method for preparing metal parts based on discrete manufacturing technology, comprising the following steps:

[0055] Step 1, raw material preparation

[0056] Firstly, the metal powder material is kept in vacuum at 100°C for 2 hours, then dried, and then the metal powder is sieved; wherein, the particle size of the sieved metal powder is 10 μm-30 μm.

[0057] Step 2, the parts are formed in sections

[0058] Step 2.1, divide the part model into 2 to 3 sections according to the size of the additive manufacturing equipment, and add a digital model of positioning and fastening threaded holes on the connection surface of the part model at the same time to form; wherein, when dividing the part model, follow the principle of the smallest section , separated from the smallest section, and formed in sections;

[0059]Step 2.2, put the metal powder obtained in step 1 into the additive manufacturing equipment, slice and layer the segmented part model in step 2.1, convert the...

Embodiment 2

[0069] A method for preparing metal parts based on discrete manufacturing technology, comprising the following steps:

[0070] Step 1, raw material preparation

[0071] Firstly, the metal powder material is kept in vacuum at 130°C for 2 hours, then dried, and then the metal powder is sieved; wherein, the particle size of the sieved metal powder is 20 μm-40 μm.

[0072] Step 2, the parts are formed in sections

[0073] Step 2.1, divide the part model into 2 to 3 sections according to the size of the additive manufacturing equipment, and add a digital model of positioning and fastening threaded holes on the connection surface of the part model at the same time to form; wherein, when dividing the part model, follow the principle of the smallest cross section , separated from the smallest section, and formed in sections;

[0074] Step 2.2, put the metal powder obtained in step 1 into the additive manufacturing equipment, slice and layer the segmented part model in step 2.1, conv...

Embodiment 3

[0084] A method for preparing metal parts based on discrete manufacturing technology, comprising the following steps:

[0085] Step 1, raw material preparation

[0086] First, the metal powder material is kept in vacuum at 120° C. for 2 hours, then dried, and then the metal powder is sieved; wherein, the particle size of the sieved metal powder is 40 μm-60 μm.

[0087] Step 2, the parts are formed in sections

[0088] Step 2.1, divide the part model into 2 to 3 sections according to the size of the additive manufacturing equipment, and add a digital model of positioning and fastening threaded holes on the connection surface of the part model at the same time to form; wherein, when dividing the part model, follow the principle of the smallest cross section , separated from the smallest section, and formed in sections;

[0089] Step 2.2, put the metal powder obtained in step 1 into the additive manufacturing equipment, slice and layer the segmented part model in step 2.1, conv...

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Abstract

The invention discloses a method for preparing a metal product based on a discrete manufacturing technology. The method comprises the following steps of 1, material preparation, 2, sectional forming of parts; 3, preprocessing of the connecting surface of the sectional parts; 4, pre-connection of the sectional parts; 5, hot isostatic pressure diffusion connection; 6, removal of locating and fastening threads. The metal materials comprise nickel alloy, stainless steel, titanium alloy, aluminum alloy, high-temperature alloy, copper alloy and the like, an addition material manufacturing technologyis utilized to discrete and form metal parts, the material, the shape and the size of the metal parts are not restricted, the insufficiencies that an existing addition material manufacturing technology cannot form parts with high precision, large sizes, and complicated shapes are avoided, the manufacturing period is shortened, the manufacturing efficiency of the metal parts is improved, and the application field of the addition material manufacturing technology is expanded.

Description

technical field [0001] The invention relates to the technical field of metal parts preparation methods, in particular to a method for preparing metal parts based on discrete manufacturing technology. Background technique [0002] The method of casting, forging, welding and mechanical processing has always been the main processing and manufacturing method of traditional metal products, which can solve the high-precision manufacturing problems of most common and easy-to-process materials. However, some metal materials with special properties or special uses, such as nickel alloys, titanium alloys, aluminum alloys, high-temperature alloys, etc., due to the special properties of the materials, traditional processing and manufacturing methods cannot or are difficult to solve manufacturing / processing problems. [0003] With the continuous improvement of industrialization, additive manufacturing technology has been widely used in various fields. At present, there are three main ra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B22F3/15B33Y10/00
CPCY02P10/25
Inventor 赵晓明赵伟张宝宁许海嫚
Owner XIAN BRIGHT ADDTIVE TECH CO LTD
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