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Bead welding technology for repairing forging die mold cavity

A process and model technology, applied in the field of surfacing welding process for repairing forging mold cavity, achieving the effect of simple operation, high product quality and low experience requirement

Inactive Publication Date: 2016-07-13
CHONGQING XUNSHENG LOCOMOTIVE PARTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There is still some experience and technicality in the adjustment of process steps and equipment parameters in the existing overlay welding process for repairing forging mold cavity. For new operators, a lot of practice is needed to master the operation skills and produce produce better quality products

Method used

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Comparison scheme
Effect test

Embodiment Construction

[0036] The present invention will be further described below in conjunction with embodiment:

[0037] A surfacing welding process for repairing a forging die cavity, comprising the following steps:

[0038] 1) Forging die material: 5CrNiMo, 5CrMnMo, H12, H13, etc.

[0039] 2) Welding consumables: Kemet flux cored wire model Kemet welding rod model F40FC-GF40E

[0040] F45FC-GF45E

[0041] F63FC-GF63E

[0042] F65FC-GF65E

[0043] F580FC-GF580E

[0044] F581FC-GF581E

[0045] Protective gas: mixed gas of argon and carbon dioxide;

[0046] 3) Preliminary assessment:

[0047] Check the defects with the naked eye first; use non-destructive testing to check the places that cannot be seen by the naked eye; test the hardness of the inner and outer walls of the cavity and record it;

[0048] 4) Preparation before welding:

[0049] Use high-speed milling, carbon arc gouging or grinding to remove all cracks, subsidence and strained surfaces; if the cracks are too deep and excee...

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PUM

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Abstract

The invention discloses a bead welding technology for repairing a forging die mold cavity. The bead welding technology can be conveniently operated and easy to handle and comprises the following steps of (1) selecting forging die material, (2) selecting welding material, (3) conducting primary estimation, (4) preparing before welding, (5) cleaning before welding, (6) checking before welding, (7) pre-heating and control temperature during bead welding, (8) bead welding, (9) hammering, (10) testing hardness and (11) conducting thermal processing after welding. The bead welding technology can be simply operated; low demands are required for operators; and high product quality can be achieved.

Description

technical field [0001] The invention relates to a surfacing welding process for repairing a forging mold cavity. Background technique [0002] There is still some experience and technicality in the adjustment of process steps and equipment parameters in the existing overlay welding process for repairing forging mold cavity. For new operators, a lot of practice is needed to master the operation skills and produce Produce better quality products. Contents of the invention [0003] In order to achieve the purpose of the present invention, the present invention provides a repairing forging mold cavity surfacing welding process which is convenient, quick and easy to operate. [0004] In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions: [0005] A surfacing welding process for repairing a forging die cavity, comprising the following steps: [0006] 1) Forging die material: 5CrNiMo, 5CrMnMo, H12, H1...

Claims

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Application Information

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IPC IPC(8): B23K9/04B23K9/235B23P6/00B21J13/02
Inventor 王强
Owner CHONGQING XUNSHENG LOCOMOTIVE PARTS CO LTD
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