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Medium-thick plate differential thermal volume forming device and process

A volumetric and differential heat technology, applied in forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of large forming load, low mold life, severe deformation, etc., and achieve the effect of reducing forming load and improving mold life.

Active Publication Date: 2015-09-16
FOSHAN NUODI PRECISION MOLD CO LTD
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  • Summary
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Problems solved by technology

However, compound fine blanking is generally carried out in a cold state, so local deformation is severe and the forming load is huge during the volume forming of medium and thick plates, resulting in generally low life of the die. How to reduce the volume forming of medium and heavy plates in compound fine blanking Load, so as to improve the life of the die is a big problem that still needs to be solved in the production of composite fine blanking

Method used

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  • Medium-thick plate differential thermal volume forming device and process

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] like figure 1 As shown, a medium-thick plate differential thermal volume forming device, the device includes an upper die 14, an upper die backing plate 13 fixed under the upper die 14, a lower die 10 opposite to the upper die 14, and a front-to-back A local heating assembly, a local feature forming assembly, and a profile shaping assembly arranged in sequence; wherein:

[0022] The local heating assembly includes a heating table 3 fixed on the lower template 10, an electromagnetic induction heater positioned above the heating table 3 and fixed under the upper template 14, and the electroma...

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Abstract

The invention discloses a medium-thick plate differential thermal volume forming device and process. Positions with forming characteristics on plates are subjected to local sensing heating, and the heating temperature does not exceed the recrystallization temperature; the locally heated plates are graded to a next process to be subjected to local volume forming. By means of the device and the process, the plate volume forming load can be reduced effectively, and the die service life is prolonged.

Description

technical field [0001] The invention belongs to the field of composite fine blanking forming, and in particular relates to a medium-thick plate differential thermal volume forming device and process. Background technique [0002] Fine blanking is a fine blanking method developed on the basis of ordinary blanking. This technology can obtain parts with high dimensional accuracy and good cross-section quality through unique mold structure design and reasonable structural parameter settings. It is directly used in production without subsequent processing, which greatly improves the production efficiency of the product and reduces the production cost. At present, this technology is widely used in aerospace, mechatronics and other fields. Composite fine blanking refers to the fine blanking of the contour of the part and other forming processes (such as bending, flanging, flattening, upsetting, extrusion, countersinking, etc.) Forming process) is a processing method combined in o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10B21D37/16
CPCB21D28/02
Inventor 刘艳雄华林李淑洁毛华杰葛羽
Owner FOSHAN NUODI PRECISION MOLD CO LTD
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