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Ningbo lingfeng wear parts Co.LTD 

Add: yunlong town, yinzhou district, ningbo city, zhejiang province

Tel:0574-88474588   88344728

Fax:0574-88345728

E-mail:Master@nblfcast.com  

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许昌Flare

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许昌Flare

  • Classification:许昌Carter interchange series

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  • Date:2019/11/06
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Detailed

        Flare

The main cutter plate surfacing welding technology is

(1) process parameters

Considering the characteristics of the main cutter disc, the reduction of production efficiency and dilution rate, the surfacing electrode 4102 was selected.Must have 4 mm;Arc stabilized ax5-500 dc welder, dc reverse welding method, welding current 160A, welding precautions and precautions to eliminate oxide, rust, moisture and oil pollution in the surfacing area before welding.

(2) if the overlaying welding of the main cutter head is carried out after the bucket welding, it is difficult to correct the deformation of the main cutter head caused by overlaying welding.Therefore, the main knife plate should be surfacing before welding to the bucket.

(3) as the main cutter plate is long and thin, it is easy to produce deformation and deformation in the surfacing welding process, and the correction is very troublesome.In order to prevent welding deformation, it should be fixed on the metal frame with larger constraint before surfacing, and the method of middle and section reverse welding should be adopted for welding.

In order to improve productivity and reduce dilution rate, downhill welding should be used.

If the main plate surfacing deformation, leveling with hydraulic machine.

After surfacing, the hardness of the surfacing layer should be greater than HRC50.


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