CN102229028A - Special welding rod for bead weld repairing and remanufacturing of trimming die and using method of special welding rod - Google Patents
Special welding rod for bead weld repairing and remanufacturing of trimming die and using method of special welding rod Download PDFInfo
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- CN102229028A CN102229028A CN2011101360180A CN201110136018A CN102229028A CN 102229028 A CN102229028 A CN 102229028A CN 2011101360180 A CN2011101360180 A CN 2011101360180A CN 201110136018 A CN201110136018 A CN 201110136018A CN 102229028 A CN102229028 A CN 102229028A
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Abstract
The invention relates to a special welding rod for bead weld repairing and remanufacturing of a trimming die. The special welding rod comprises the following coating chemical components in percentage by weight: 1-3% of titanium dioxide, 20-35% of marble, 15-20% of fluorite, 3-5% of quartz, 2-4% of chalk, 8-10% of high carbon ferrochrome, 2-4% of high carbon ferromanganese, 2-4% of silicon iron, 6-8% of ferrotitanium, 3-5% of ferromolybdenum, 2-8% of cerium oxide, 2-4% of metal nickel, 2-4% of ferrovanadium, 3-6% of ferrotungsten and 5-7% of graphite, wherein core wires are H08A steel welding wires. The preheat needs to be carried out before the welding rods is used for carrying out remanufacturing and bead weld repairing on the trimming die, and then twice drawing temper operations are carried out after the bead weld. The special welding rod in the invention is easy to use and easy to weld, and can be used for improving the impact resistance of deposited metal, anti-crack performance and abrasion resistance; the hardness of the deposited metal is within a range of HRC (Rockwell hardness) 55-60, and the service life of the repaired trimming die is 2-3 times longer than that of the original trimming die.
Description
Technical fieldA kind of welding rod of the present invention, the particularly special welding rod of edger reparation usefulness.
Background technologyEdger is the edge that utilizes punch trimming operation part, makes it have the diel of certain altitude, diameter and shape.Edger is mainly used in the edge of finishing drawing part, makes end face smooth attractive in appearance, is convenient to next step assembling.Along with market competition is fierce day by day, enterprise need reduce manufacturing cost, especially die cost.Edger should have good wearability, enough intensity and toughness, good impact resistance.But behind a large amount of parts of punching production, edger is scrapped owing to wear out failure, tipping inefficacy and Cracking Failure etc. take place, and causes enormous economic loss to enterprise.
In traditional edger manufacturing process, its cutting edge part integral body all adopts carbon tool steel or alloy tool steel manufacturing, as T8A, T10A, 9CrSi, 9Mn2V, GCr15, Cr12, Cr12MoV steel etc.The manufacture process of edger is the processing of forging, heat treatment and blank of smelting, casting, the steel ingot of molten steel, forms final products.In above-mentioned manufacture process, not only consumed a large amount of energy (electric energy), and serious pollution environment.Edger is scrapped after using the regular hour.The edger of scrapping by recirculation, reenters the manufacture process of edger on the one hand as steel scrap, wastes energy again and contaminated environment; Leave unused in environment as waste product on the other hand, also cause pollution environment.
The whole not only expense costliness of edger of making, and since working lining only on the surface, the advantage of inner valuable alloying element can not be brought into play fully.Simultaneously, when integral body was made edger heat treatment, when cutting edge hardened, matrix also had higher hardness, makes processing difficulties, and manufacturing procedure is many after the heat treatment, and the cycle is long.
Make edger if adopt built-up welding reparation or re-manufacturing technology, the matrix that is mould is selected the working face that satisfies service behaviours requirements such as high rigidity, high-wearing feature than built-up welding one deck on the common iron of low-intensity, hardness for use, matrix is convenient to machining and cutting edge meets the requirements of high rigidity automatically after built-up welding like this, recover its original shape and size, not only improved its service life, but also reduced of the waste of its manufacture process, and reduced pollution to environment to the energy.
Can find out from the comparison of welding method and conventional method; The welding method mfg. moulding die only needs not only saved high duty alloy tool steel greatly, and technology is simple, cost is low, the manufacturing cycle is short in the built-up welding of cutting edge position, be enterprise pursue low cost, high benefit important by way of.Welding method is particularly suitable for the built-up welding of middle-size and small-size mould, grasps easily, is convenient to promote.Edger is made in built-up welding again, can save the steel expense more than 60%, and process period shortens more than 70%, and economic benefit is particularly remarkable.
In recent years; domestic and international many enterprises attempt to come the waste and old edger of built-up welding reparation or make edger again by the mode of built-up welding; but because edger alloy content commonly used and carbon equivalent height; be difficult for welding; deposited metal and matrix bond are poor; and there is cold cracking trend the heat affected area, can significantly reduce mould postwelding quality, has limited the development of edger built-up welding reparation and re-manufacturing technology.
Summary of the inventionThe object of the present invention is to provide a kind of easy welding, deposited metal and collective is combined, cracking resistance, wear-resistant, life-span are long edger built-up welding reparation and making again with special welding rod and using method.Special welding rod of the present invention, the percentage by weight of its chemical composition of coating are (wt%): titanium dioxide 1-3, marble 20-35, fluorite 15-20, quartzy 3-5, chalk 2-4, high carbon ferro-chrome 8-10, high carbon ferromanganese 2-4, ferrosilicon 2-4, ferrotianium 6-8, molybdenum-iron 3-5, cerium oxide 4-8, metallic nickel 2-4, vanadium iron 2-4, ferrotungsten 3-6, graphite 5-7; Its core wire is a H08A steel welding wire.
Graphite in the above-mentioned coating raw material can be controlled higher carbon content and chromium content, to obtain the hypereutectoid steel matrix, guarantees the wearability of suitable deposited metal; Alloying element such as manganese, molybdenum can guarantee that deposited metal has higher intensity and hardness; W elements by built-up welding after temper, produce post-curing, improve the shock resistance of deposited metal, and further improve the wearability of deposited metal; Rare earth oxide can improve postwelding primary solidification structure and secondary solidification structure, and rotten field trash improves the toughness of deposited metal; Metal nickel powder can improve the built-up welding tissue, reduces martensitic transformation temperature Ms point, improves stress distribution, improves the anti-cracking performance of deposited metal.
The preparation method of welding rod of the present invention:
1, part material is carried out Passivation Treatment:
A, with silicon iron powder heating, 720-750 ℃ of insulation 1 hour,
B, with high carbon ferro-chrome powder heating, 550-600 ℃ of insulation 1 hour,
C, with high carbon ferromanganese powder heating, 300-350 ℃ of insulation 1 hour.
2, mix: the various raw materials of above-mentioned coating are put into batch mixer fully mix, and then add sodium silicate binder and stir, the modulus of this waterglass is 2.7-3.0, and Baume degrees is 48-50.
3, compacting: be squeezed on the H08A steel welding wire with the material of welding rod coating machine with above-mentioned mixing.
4, drying: welding rod is carried out drying at 100-200 ℃.
Above-mentioned special welding rod using method: except that as the normal use of common welding rod, will be before edger carried out built-up welding 250 ℃ of-350 ℃ of following preheatings, postwelding carries out double tempering under 500 ℃-600 ℃ handles, eliminate welding residual stress on the one hand, make deposited metal have higher anti-cracking performance; Produce the post-curing effect on the other hand, make deposited metal have higher shock resistance, and further improve its wearability.
The present invention compared with prior art has following advantage:
1, on-the-spot easy to use, easily welding, deposited metal and matrix bond are good, have improved impact resistance, anti-cracking performance and the anti-wear performance of deposited metal, and the hardness of deposited metal is at HRC55-60.
2, reduced manufacturing process, saved the raw material and the energy, avoided the pollution of manufacture process environment.
3, improved the service life of edger, the edger die life after the reparation is longer than former edger mould 2-3 doubly.
The specific embodiment
Embodiment 1:
The get it filled raw material of skin, 3 kilograms of titanium dioxides, 33 kilograms in marble, 15 kilograms in fluorite, quartzy 5 kilograms, 3 kilograms of chalks, 8 kilograms of high carbon ferro-chromes, 2 kilograms of high carbon ferromanganeses, 4 kilograms of ferrosilicon, 6 kilograms of ferrotianiums, 3 kilograms of molybdenum-irons, 4 kilograms of cerium oxides, 4 kilograms of metallic nickels, 2 kilograms of vanadium iron, 3 kilograms of ferrotungstens, 5 kilograms in graphite and H08A steel welding wire.Earlier ferrosilicon, high carbon ferro-chrome and high carbon ferromanganese are carried out Passivation Treatment, be about to the silicon iron powder heating, 720 ℃ of insulations 1 hour; With the heating of high carbon ferro-chrome powder, 550 ℃ of insulations 1 hour; With the heating of high carbon ferromanganese powder, 300 ℃ of insulations 1 hour.The various raw materials of above-mentioned coating are put into batch mixer fully mix, and then add sodium silicate binder and stir, the modulus of this waterglass is 2.7, and Baume degrees is 48.Be squeezed on the H08A steel welding wire with the material of welding rod coating machine above-mentioned mixing.At 90 ℃ core wire is carried out drying.Will be before using above-mentioned special welding rod that edger is carried out built-up welding 350 ℃ of preheatings, postwelding carries out double tempering at 600 ℃ to be handled, and the hardness on the edger surface of making again by built-up welding is HRC55.
Embodiment 2:
The get it filled raw material of skin, 2 kilograms of titanium dioxides, 26 kilograms in marble, 17 kilograms in fluorite, quartzy 4 kilograms, 3 kilograms of chalks, 9 kilograms of high carbon ferro-chromes, 3 kilograms of high carbon ferromanganeses, 3 kilograms of ferrosilicon, 7 kilograms of ferrotianiums, 4 kilograms of molybdenum-irons, 6 kilograms of cerium oxides, 3 kilograms of metallic nickels, 3 kilograms of vanadium iron, 4 kilograms of ferrotungstens, 6 kilograms in graphite and H08A steel welding wire.Earlier ferrosilicon, high carbon ferro-chrome and high carbon ferromanganese are carried out Passivation Treatment, be about to the silicon iron powder heating, 740 ℃ of insulations 1 hour; With the heating of high carbon ferro-chrome powder, 570 ℃ of insulations 1 hour; With the heating of high carbon ferromanganese powder, 320 ℃ of insulations 1 hour.The various raw materials of above-mentioned coating are put into batch mixer fully mix, and then add sodium silicate binder and stir, the modulus of this waterglass is 2.8, and Baume degrees is 49.Be squeezed on the H08A steel welding wire with the material of welding rod coating machine above-mentioned mixing.At 95 ℃ core wire is carried out drying.Will be before using above-mentioned special welding rod that edger is carried out built-up welding 300 ℃ of preheatings, postwelding carries out double tempering at 550 ℃ to be handled, and the hardness on the edger surface of making again by built-up welding is HRC58.
Embodiment 3:
The get it filled raw material of skin, 1 kilogram of titanium dioxide, 20 kilograms in marble, 18 kilograms in fluorite, quartzy 3 kilograms, 2 kilograms of chalks, 10 kilograms of high carbon ferro-chromes, 4 kilograms of high carbon ferromanganeses, 2 kilograms of ferrosilicon, 8 kilograms of ferrotianiums, 5 kilograms of molybdenum-irons, 8 kilograms of cerium oxides, 2 kilograms of metallic nickels, 4 kilograms of vanadium iron, 6 kilograms of ferrotungstens, 7 kilograms in graphite and H08A steel welding wire.Earlier ferrosilicon, high carbon ferro-chrome and high carbon ferromanganese are carried out Passivation Treatment, be about to the silicon iron powder heating, 750 ℃ of insulations 1 hour; With the heating of high carbon ferro-chrome powder, 600 ℃ of insulations 1 hour; With the heating of high carbon ferromanganese powder, 350 ℃ of insulations 1 hour.The various raw materials of above-mentioned coating are put into batch mixer fully mix, and then add sodium silicate binder and stir, the modulus of this waterglass is 3.0, and Baume degrees is 50.Be squeezed on the H08A steel welding wire with the material of welding rod coating machine above-mentioned mixing.At 100 ℃ core wire is carried out drying.Will be before using above-mentioned special welding rod that edger is carried out built-up welding 250 ℃ of preheatings, postwelding carries out double tempering at 500 ℃ to be handled, and the hardness on the edger surface of making again by built-up welding is HRC60.
Claims (2)
1. an edger built-up welding reparation reaches to make again and uses special welding rod, and it is characterized in that: this special welding rod, the percentage by weight of its chemical composition of coating are wt%: titanium dioxide 1-3, marble 20-35, fluorite 15-20, quartzy 3-5, chalk 2-4, high carbon ferro-chrome 8-10, high carbon ferromanganese 2-4, ferrosilicon 2-4, ferrotianium 6-8, molybdenum-iron 3-5, cerium oxide 4-8, metallic nickel 2-4, vanadium iron 2-4, ferrotungsten 3-6, graphite 5-7; Its core wire is a H08A steel welding wire.
2. above-mentioned edger built-up welding reparation reaches the using method of making again with special welding rod, it is characterized in that: will be before the built-up welding 250 ℃ of-350 ℃ of following preheatings, and postwelding carries out double tempering under 500 ℃-600 ℃ handles.
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| CN2011101360180A CN102229028A (en) | 2011-05-25 | 2011-05-25 | Special welding rod for bead weld repairing and remanufacturing of trimming die and using method of special welding rod |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441748A (en) * | 2011-11-16 | 2012-05-09 | 燕山大学 | Special welding rod for repairing and overlaying heavy-duty high-speed broken gear teeth |
| CN102528321A (en) * | 2011-12-07 | 2012-07-04 | 燕山大学 | Special welding rod used for surfacing reparation of high carbon steel type high-speed railway base tamping pick |
| CN102554502A (en) * | 2011-12-07 | 2012-07-11 | 燕山大学 | Special electrode for overlaying and repairing high-chromium cast iron type high-speed rail substructure tamping pick |
| CN102744533A (en) * | 2012-07-05 | 2012-10-24 | 武汉宇宙科技有限公司 | Build-up welding flux-cored wire for pinch roll |
| CN102861968A (en) * | 2012-09-13 | 2013-01-09 | 天津大学 | Method for in-situ synthesizing iron-based composite coating containing titanium boride (TiB2) hard phase by adopting manual arc welding and application thereof |
| CN104476013A (en) * | 2014-10-31 | 2015-04-01 | 河海大学常州校区 | Tungsten-strengthened wear-resisting surfacing electrode and preparation method thereof |
| CN104476014A (en) * | 2014-10-31 | 2015-04-01 | 河海大学常州校区 | Vanadium-strengthened wear resistant surfacing electrode and preparation method thereof |
| CN106041364A (en) * | 2016-08-08 | 2016-10-26 | 河海大学常州校区 | Wear-resisting surfacing flux-cored wire |
| CN107322186A (en) * | 2017-08-26 | 2017-11-07 | 安徽鼎恒再制造产业技术研究院有限公司 | Steel rolling guide roller surfacing cobalt-based alloy powder and its welding procedure |
| CN110977252A (en) * | 2019-12-25 | 2020-04-10 | 安徽应流铸业有限公司 | Welding rod for repair welding of steel casting |
| CN111922549A (en) * | 2020-07-30 | 2020-11-13 | 内蒙古一机集团神鹿焊业有限公司 | High-hardness wear-resistant surfacing welding electrode and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101406996A (en) * | 2008-10-22 | 2009-04-15 | 燕山大学 | Surfacing electrode for composite duplex metal cold cutting edge green refabrication technique |
| CN101406997A (en) * | 2008-10-22 | 2009-04-15 | 燕山大学 | Surfacing electrode for green refabrication technology for composite bimetal hot shear edge |
-
2011
- 2011-05-25 CN CN2011101360180A patent/CN102229028A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101406996A (en) * | 2008-10-22 | 2009-04-15 | 燕山大学 | Surfacing electrode for composite duplex metal cold cutting edge green refabrication technique |
| CN101406997A (en) * | 2008-10-22 | 2009-04-15 | 燕山大学 | Surfacing electrode for green refabrication technology for composite bimetal hot shear edge |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102441748A (en) * | 2011-11-16 | 2012-05-09 | 燕山大学 | Special welding rod for repairing and overlaying heavy-duty high-speed broken gear teeth |
| CN102528321A (en) * | 2011-12-07 | 2012-07-04 | 燕山大学 | Special welding rod used for surfacing reparation of high carbon steel type high-speed railway base tamping pick |
| CN102554502A (en) * | 2011-12-07 | 2012-07-11 | 燕山大学 | Special electrode for overlaying and repairing high-chromium cast iron type high-speed rail substructure tamping pick |
| CN102554502B (en) * | 2011-12-07 | 2014-04-16 | 燕山大学 | Special electrode for overlaying and repairing high-chromium cast iron type high-speed rail substructure tamping pick |
| CN102744533B (en) * | 2012-07-05 | 2016-01-20 | 武汉宇宙科技有限公司 | A kind of pinch roll flux-cored wire |
| CN102744533A (en) * | 2012-07-05 | 2012-10-24 | 武汉宇宙科技有限公司 | Build-up welding flux-cored wire for pinch roll |
| CN102861968A (en) * | 2012-09-13 | 2013-01-09 | 天津大学 | Method for in-situ synthesizing iron-based composite coating containing titanium boride (TiB2) hard phase by adopting manual arc welding and application thereof |
| CN104476013A (en) * | 2014-10-31 | 2015-04-01 | 河海大学常州校区 | Tungsten-strengthened wear-resisting surfacing electrode and preparation method thereof |
| CN104476014A (en) * | 2014-10-31 | 2015-04-01 | 河海大学常州校区 | Vanadium-strengthened wear resistant surfacing electrode and preparation method thereof |
| CN106041364A (en) * | 2016-08-08 | 2016-10-26 | 河海大学常州校区 | Wear-resisting surfacing flux-cored wire |
| CN107322186A (en) * | 2017-08-26 | 2017-11-07 | 安徽鼎恒再制造产业技术研究院有限公司 | Steel rolling guide roller surfacing cobalt-based alloy powder and its welding procedure |
| CN110977252A (en) * | 2019-12-25 | 2020-04-10 | 安徽应流铸业有限公司 | Welding rod for repair welding of steel casting |
| CN111922549A (en) * | 2020-07-30 | 2020-11-13 | 内蒙古一机集团神鹿焊业有限公司 | High-hardness wear-resistant surfacing welding electrode and preparation method thereof |
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Application publication date: 20111102 |