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High cellulose welding rod and manufacturing method thereof
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A high cellulose, manufacturing method technology, applied in manufacturing tools, welding media, welding equipment, etc., can solve the problems of difficult welding rod pressing, welding rod welding too fast, etc.
Active Publication Date: 2018-03-30
昂科万德(武汉)科技有限公司
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Problems solved by technology
[0004] In the prior art, during the use of high-cellulose electrodes, the metal in the molten pool drips down, it is difficult to press the electrodes, and the electrodes burn too fast, etc.
Method used
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Embodiment 1
[0039] In parts by weight, the following components are obtained:
[0041] Dry-mix the obtained components, then add pure sodium water glass, continue to stir, and make a drug skin;
[0042] Apply the stirred coating evenly on the welding core, and press the welding rod;
[0043] After natural drying, the pressed and formed welding rods are sent to a high-temperature drying furnace for baking at a temperature of 80 degrees.
Embodiment 2
[0045] In parts by weight, the following components are obtained:
[0047] Dry-mix the obtained components, then add pure sodium water glass, continue to stir, and make a drug skin;
[0048] Apply the stirred coating evenly on the welding core, and press the welding rod;
[0049] After natural drying, the pressed and formed welding rods are sent to a high-temperature drying furnace for baking at a temperature of 80 degrees.
Embodiment 3
[0051] In parts by weight, the following components are obtained:
[0053] Dry-mix the obtained components, then add pure sodium water glass, continue to stir, and make a drug skin;
[0054] Apply the stirred coating evenly on the welding core, and press the welding rod;
[0055] After natural drying, the pressed and formed welding rods are sent to a high-temperature drying furnace for baking at a temperature of 80 degrees.
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Abstract
The invention discloses a high cellulose electrode and a manufacturing method thereof. The high cellulose electrode comprises a core wire and a coating. The coating of the high cellulose electrode comprises, by weight, 5-14 parts of titanium dioxide, 26-40 parts of X-type cellulose, 3-17 parts of mid-carbon ferromanganese, 6-19 parts of magnesia, 1-14 parts of nickel powder, 4-17 parts of manganese mineral powder, 3-16 parts of feldspar, 2-14 parts of iron sand, 0.2-3.5 parts of iron oxide red, 0.3-4 parts of sodium carbonate, and 2-10 parts of starch. The high cellulose electrode of the invention has the dynamic characteristic that the viscosity increases rapidly with the reduction of the temperature during vertical position welding, the dropping of metal in a bath is effectively prevented, the problems that the pressing process of the electrode is difficult and burn-in is excessively fast are solved, and the volume of generated gas can guarantee the carrying force of the metal in the bath and meanwhile defects generated due to excessive burnthrough of the bottom of the bath are avoided.
Description
technical field [0001] The present disclosure generally relates to the field of welding technology, specifically to the field of welding rods, and in particular to a high-cellulose welding rod and a manufacturing method thereof. Background technique [0002] In recent years, with the development of oil pipeline laying projects, the welding process of large-diameter pipelines has been continuously improved, from the past single electrode arc welding (acid and alkaline electrodes) to automatic welding and semi-automatic welding processes for pipelines. Electrode arc welding has also developed from a single variety of 507 electrode and all-position welding to high-efficiency welding construction techniques such as vertical downward welding with cellulose electrodes. Changed the traditional method of vertical upward welding with ordinary electrodes, and changed the original horizontal fixed tubular butt joint all-position rod operation method to downward welding similar to the f...
Claims
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Application Information
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