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A compound processing and forming method for metal blanks

A technology for composite processing and blank parts, which is applied in the direction of metal material coating process, process efficiency improvement, coating, etc. The effect of miniaturization and miniaturization, production cost saving, and excellent mechanical properties

Active Publication Date: 2018-07-13
ADVANCED MFG TECH CENT CHINA ACAD OF MASCH SCI & TECH
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  • Application Information

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Problems solved by technology

[0004] The CNC machining method of mechanical parts has low machining accuracy, and is greatly restricted by machine tools and tools, making it difficult to process precise and complex parts; while laser cladding rapid prototyping technology is used to manufacture parts, which is time-consuming due to layer-by-layer material laying Long, which increases the cost of parts production, and when the laser cladding layer is too thick, cracks and defects are obvious, and the quality of parts will be greatly reduced

Method used

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  • A compound processing and forming method for metal blanks

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0024] The specific implementation steps of this embodiment are as follows:

[0025] a. Casting to obtain the part blank 2;

[0026] b. According to the precision requirements, shape characteristics and other factors of the part blank 2, as well as the stroke of the processing equipment and cladding equipment, divide the part blank 2 to determine the processing area and cladding area;

[0027] c. For different areas, write their respective CNC machining codes and laser cladding codes;

[0028] d. Prefabricated metal alloy powder for cladding;

[0029] e. Place the part blank 2 on the platform 1 of the compound processing machine tool;

[0030] f. According to the CNC machining code, drive the machining spindle 4 to perform CNC machining operations on the part blank 2; according to the claddin...

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Abstract

The present invention provides a composite processing molding method of a metal blank. According to the method, based on characteristics of different regions of the metal blank, numerical control processing and laser cladding are respectively used to complete the composite processing molding of the blank, wherein during the composite processing molding process, the numerical control processing method is mainly based on the place with characteristics of low blank precision requirement, simple structure, easy molding and large thickness, and the laser cladding rapid molding method is mainly based on the place with characteristics of high blank precision requirement, complex structure, difficult molding, small thickness, narrow seam, deep groove and the like, and the corner or projection and other places with large force applying. According to the present invention, the two technologies such as numerical control processing and laser cladding are combined, such that the rapid and precise processing on the blank can be concurrently achieved, the performance of the part is excellent, the production period is short, and the cost is low.

Description

technical field [0001] The invention relates to a method for compound processing and forming of metal blanks, which belongs to the technical intersecting field of numerical control processing and rapid prototyping. Background technique [0002] Conventional metal blank processing methods generally require manual grinding and polishing, which results in low processing efficiency and unstable processing accuracy. Although the use of numerical control machining can improve production efficiency, there are still certain disadvantages when machining parts with particularly complex shapes and surfaces containing narrow slits and deep grooves. [0003] Laser cladding rapid prototyping technology has the characteristics of wide selection of materials, high forming precision, high strength of formed products, and fine internal grain structure. It is especially suitable for the rapid manufacturing of metal parts and can be applied to the production of parts. [0004] The CNC machinin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C24/10B22F3/105
CPCY02P10/25
Inventor 单忠德孙福臻刘丰曲文峰
Owner ADVANCED MFG TECH CENT CHINA ACAD OF MASCH SCI & TECH
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