CN102689103A - Surfacing electrode for manufacturing and repairing cane sugar roller - Google Patents
Surfacing electrode for manufacturing and repairing cane sugar roller Download PDFInfo
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- CN102689103A CN102689103A CN201210158957XA CN201210158957A CN102689103A CN 102689103 A CN102689103 A CN 102689103A CN 201210158957X A CN201210158957X A CN 201210158957XA CN 201210158957 A CN201210158957 A CN 201210158957A CN 102689103 A CN102689103 A CN 102689103A
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- roll
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Abstract
The invention discloses a surfacing electrode for manufacturing and repairing a cane sugar roller. The surfacing electrode is provided with a CaO-CaF2-SiO2 basic slag system, a core wire is an H31Cr13 core wire, and a coating comprises from 20 to 30% of marble, from 12 to 18% of fluorite, from 1 to 3% of rutile, from 0.5 to 2% of carboxymethyl cellulous, from 1 to 5% of flake graphite, from 2 to 4% of 75-degree silicon iron, from 1 to 3% of phlogopite, from 1 to 3% of high carbon ferromanganese, from 38 to 44.5% of high carbon ferro-chrome, from 2 to 4% of ferrotitanium, from 1 to 3% of quarts and from 0.5 to 2% of aluminum manganese alloy. Electric arc of the electrode is ignited easily and is stable in combustion; the coating is uniformly melted and is low in splashing; weld joints are normally formed, slag is removed easily, weld joint metal is high in abrasion resistance, and the HRC (Rockwell hardness) is higher than 60 on average; and a surfaced abrasion-resistant layer is fine in abrasion resistance and corrosion resistance, periodic repair of the cane sugar roller can be facilitated, and the service life of the cane sugar roller is greatly prolonged.
Description
Technical field
The present invention relates to a kind of welding material technology, particularly a kind of sucrose roll is made surfacing electrode for repairing.
Background technology
The sucrose roll is a kind of capital equipment in cane sugar manufacture equipment.Because environment for use comparatively badly is easy to wearing and tearing, one press after season most of roll can be because of wearing and tearing, lost efficacy and can't continue to use, minority roll even in a production process of pressing season, can't use and then cause to produce to pause and cause heavy losses because of wearing and tearing.Develop a kind of roll that adopts cast iron to make at present,, best compression strength also can be provided and be easy to welding than using other alloy more to practice thrift man-hour and cost.This roller surface needs the build-up wear-resistant coating, thereby can periodic inspection increase the service life like this.Present domestic surfacing welding kind is more, but does not have the welding rod of a kind of suitable sucrose roll wear-resistant coating built-up welding, and the weld metal of this welding rod needs good abrasion resistance and decay resistance.
Relevant both at home and abroad patent is less, and China's application number is a kind of surfacing welding electrode for roller patent of 95119882.3, is the built-up welding that is used for roll stells such as 9Cr2,9CrSi, 9CrV; China's application number is that 200910272137.1 a kind of Cr3 series of rollers surfacing electrode for repairing and overlaying method patent are the built-up welding that is used for Cr13 serial supporting roll; They all are to use the H08A core wire; The environment for use of chromium content incompatibility sucrose on the low side roll in the weld seam, it is higher to contain precious metal costs such as molybdenum, tungsten, rare earth in addition.Generally speaking above-mentioned patent all is used for some specific places and there is bigger difference in use of the present invention field.
Summary of the invention
Technical problem to be solved by this invention provides a kind of sucrose roll and makes surfacing electrode for repairing, and the good weld metal of its welding technological properties has higher wearability, and HRC is average more than 60.Use the wear-resistant coating of this welding rod built-up welding to have good abrasion resistance and decay resistance, can make things convenient for the periodic inspection of sucrose roll to prolong its service life greatly.
For the purpose that realizes solving the problems of the technologies described above, the present invention has adopted following technical scheme:
A kind of sucrose roll of the present invention is made surfacing electrode for repairing, adopts CaO-CaF
2-SiO
2The coating of basic slag system, with core wire, coating transition alloy elements, deposited metal is a C-Cr-Mn-Si system; Core wire adopts the core wire of H31Cr13; The specification of core wire is: C:0.25 ~ 0.40%, and Mn :≤0.60%, Si :≤0.50%; Cr:12.00 ~ 14.00%, all the other are Fe element and inevitable impurity; Each component and the mass percent thereof of coating are: marble: 20 ~ 30%, fluorite: 12 ~ 18%, rutile: 1 ~ 3%, carboxymethyl cellulose: 0.5 ~ 2%, flake graphite: 1 ~ 5%, 75 ° of ferrosilicon: 2 ~ 4%, phlogopite: 1 ~ 3%, high carbon ferromanganese: 1 ~ 3%, high carbon ferro-chrome: 38 ~ 44.5%, ferrotianium: 2 ~ 4% quartz: 1 ~ 3%, almag: 0.5 ~ 2%.
Described 75 ° of ferrosilicon, specification is: Si:72.0 ~ 80.0%, S≤0.05%, P≤0.04%.
Described high carbon ferromanganese, specification is: Mn:60.0 ~ 70.0%, S≤0.05%, P≤0.2%, C≤8.0%.
Described high carbon ferro-chrome, specification is: Cr:75.0 ~ 82.0%, S≤0.06%, P≤0.06%, C≤10.0%.
Described ferrotianium, specification is: Ti:25.0 ~ 35.0%, S≤0.05%, P≤0.05%.
Described almag, specification is: Al:45.0 ~ 55.0%, Mg >=32.0%.
The main effect of each composition is summarized as follows in this electrode coating:
Marble: main effect is slag making, gas making, improves slag basicity, and stabilising arc, desulfurization increase slag surface tension and interfacial tension.Thereby marble content in the coating is controlled at 20～30%.
Fluorite: main effect is slag making, and an amount of interpolation can be adjusted the fusing point and the viscosity of slag, increases its flowability, and the activation molten bath is improved and taken off slag, dehydrogenation.Fluorite adds when excessive, and is unfavorable to arc stability.
The import rutile: main effect is slag making, and the arc stability of improvement and removability of slag effect are arranged simultaneously.When the import rutile content is lower than 1%, act on not obvious.When the import rutile content is too high, increase the welding rod cost.
Carboxymethyl cellulose: main improved effect extrusion performance and the effect of raising electrode coating intensity.
Quartzy: as mainly to play the effect of slag making, the viscosity of adjustment slag, refinement molten drop.
Phlogopite: main effect is slag making, improves the extrusion performance, stable arc, and the gas permeability of increase coating is beneficial to coating moisture and discharges, and avoids the coating cracking.Addition too much has the effect that increases hydrogen, thereby should be controlled at below 3%.
Flake graphite: mainly act on transition C element in weld seam, participate in redox reaction simultaneously.When addition was too many, unfavorable to welding technological properties, addition crossed in the Weld-little that the C constituent content is low to influence the deposited metal surfacing hardness, thereby should be controlled in 1 ~ 5% scope.
High carbon ferromanganese: can play desulfating and deoxidation, prevent hot-short effect, can also be in weld seam transition Mn, C element, take all factors into consideration restriction coating medium high carbon ferromanganese 1 ~ 3%.
75 ° of ferrosilicon: mainly play the effect of deoxidation.Its deoxidation products is also participated in slag making, and addition is lower than at 2% o'clock, and deoxidation is insufficient, and addition is higher than at 4% o'clock, possibly increase Si content in the weld seam.Taking all factors into consideration control ferrosilicon addition is 2 ~ 4%.
Ferrotianium: mainly play the effect of deoxidation.It is thick when welding, to have the crystal grain of preventing simultaneously, the effect of crystal grain thinning and fixed carbon.
High carbon ferro-chrome: transition Cr, C element in weld seam, play the effect of alloying constituent.Can improve wearability, the decay resistance of weld seam.The chromium constituent content is one of key of the present invention in the weld seam, and according to the deposited metal composition requirement, control coating medium high carbon ferrochrome is 30 ~ 50%.
Almag: mainly play the effect of deoxidation, its deoxidation products is also participated in slag making.It is comparatively suitable that a large amount of tests confirm that the content of almag is controlled at below 2%.
After above-mentioned coating raw material are mixed, add the 3:1 potassium-sodium water glass of a certain amount of 42 ~ 44Be (20 ℃), generally account for 20 ~ 30% of pressed powder weight, on the welding rod production equipment, carry out the welding rod preparation.
The sucrose roll of this patent is made surfacing electrode for repairing; Be used for the manufacturing of sucrose roll, repair the phlogopite that the coating of build-up welding bar type contains the high carbon ferro-chrome of carbonate, fluoride, silicate, deoxidation and transition alloy elements, 75 ° of ferrosilicon, high carbon ferromanganese and almags and improves extrusion property.
Welding rod of the present invention has following superiority:
1) production technology function admirable, welding rod smooth surface, yield rate height, eccentric stable.
2) electric arc is prone to ignite, and burning steadily in welding process.
3) coating evenly melts, and does not have into the piece obscission.
4) appearance of weld is attractive in appearance, and slag is removed easily.
5) the as-welded hardness of deposited metal overlay cladding is high, and anti-wear performance is good, has improved the cycle in service life of sucrose roll.
Welding rod deposited metal hardness HRC of the present invention is greater than 58, and HRC is as shown in table 1 for its measured value.
Table 1 welding rod deposited metal of the present invention HRC hardness number one example
| Sequence number | 1 | 2 | 3 | 4 | 5 | On average |
| HRC | 60.2 | 58.5 | 61.3 | 63.4 | 60.9 | 60.9 |
Adopt more original raising in sucrose roll service life of built-up welding of the present invention more than 50%, and damage type mainly is the overlay cladding wearing and tearing, it is convenient to repair.
6) deposited metal composition is controlled easily.
The control deposited metal composition is as shown in table 2.
Table 2 welding rod deposited metal composition of the present invention scope %
| C | Mn | Si | Cr |
| ≥1.5 | ≤2.0 | ≤1.5 | 21.0~28.0 |
Through adopting technique scheme, the present invention has following beneficial effect:
Welding rod of the present invention shows the favorable manufacturability ability, and electric arc is prone to ignite, and burning steadily in welding process.Coating evenly melts, and does not have into the piece obscission; It is less in welding process, to splash; Appearance of weld is normal, and slag is removed easily; Weld metal has higher wearability, and HRC is average more than 60; Use the wear-resistant coating of this welding rod built-up welding to have good abrasion resistance and decay resistance, can make things convenient for the periodic inspection of sucrose roll to prolong its service life greatly.
The specific embodiment
Further specify the present invention based on concrete proportioning below.
Sucrose roll of the present invention is made surfacing electrode for repairing, and the concrete proportioning of its electrode coating composition is as shown in table 3.
The concrete proportioning of table 3 electrode coating composition (ratio is a mass percent):
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Marble | 20 | 25 | 30 |
| Fluorite | 18 | 16 | 12 |
| The import rutile | 3 | 2 | 1 |
| Carboxymethyl cellulose | 2 | 1 | 0.5 |
| Quartzy | 3 | 2 | 1 |
| Flake graphite | 5 | 3 | 1 |
| Phlogopite | 2 | 3 | 1 |
| High carbon ferromanganese | 2 | 3 | 1 |
| 75 ° of ferrosilicon | 3 | 2 | 4 |
| Ferrotianium | 3 | 4 | 2 |
| High carbon ferro-chrome | 38 | 38.5 | 42.5 |
| Almag | 1 | 0.5 | 2 |
Specifically consisting of of core wire: C:0.25 ~ 0.40%, Mn :≤0.60%, Si :≤0.50%, Cr:12.00 ~ 14.00%, all the other are Fe element and inevitable impurity.
After above-mentioned coating raw material are mixed, add the 3:1 potassium-sodium water glass of 42 ~ 44 ° of Be (20 ℃) that account for pressed powder gross weight 30%, use the core wire of this patent, on the welding rod production equipment, carry out the welding rod preparation, welding rod deposited metal performance is as described in Table 4.
Table 4 welding rod deposited metal performance
| Element | C | Mn | Si | Cr | Average hardness HRC |
| Embodiment 1 | 3.16 | 1.60 | 0.91 | 21.55 | 60.9 |
| Embodiment 2 | 2.68 | 1.79 | 0.73 | 21.75 | 59.8 |
| Embodiment 3 | 1.97 | 1.05 | 1.23 | 23.37 | 58.3 |
Claims (6)
1. a sucrose roll is made surfacing electrode for repairing, it is characterized in that: adopt CaO-CaF
2-SiO
2The coating of basic slag system, with core wire, coating transition alloy elements, deposited metal is a C-Cr-Mn-Si system; Core wire adopts the core wire of H31Cr13; The specification of core wire is: C:0.25 ~ 0.40%, and Mn :≤0.60%, Si :≤0.50%; Cr:12.00 ~ 14.00%, all the other are Fe element and inevitable impurity; Each component and the mass percent thereof of coating are: marble: 20 ~ 30%, fluorite: 12 ~ 18%, rutile: 1 ~ 3%, carboxymethyl cellulose: 0.5 ~ 2%, flake graphite: 1 ~ 5%, 75 ° of ferrosilicon: 2 ~ 4%, phlogopite: 1 ~ 3%, high carbon ferromanganese: 1 ~ 3%, high carbon ferro-chrome: 38 ~ 44.5%, ferrotianium: 2 ~ 4% quartz: 1 ~ 3%, almag: 0.5 ~ 2%.
2. make surfacing electrode for repairing according to the said sucrose roll of claim 1, it is characterized in that: described 75 ° of ferrosilicon specifications are: Si:72.0 ~ 80.0%, S≤0.05%, P≤0.04%.
3. make surfacing electrode for repairing according to the said sucrose roll of claim 1, it is characterized in that: described high carbon ferromanganese specification is: Mn:60.0 ~ 70.0%, S≤0.05%, P≤0.2%, C≤8.0%.
4. make surfacing electrode for repairing according to the said sucrose roll of claim 1, it is characterized in that: described high carbon ferro-chrome specification is: Cr:75.0 ~ 82.0%, S≤0.06%, P≤0.06%, C≤10.0%.
5. make surfacing electrode for repairing according to the said sucrose roll of claim 1, it is characterized in that: described ferrotianium specification is: Ti:25.0 ~ 35.0%, S≤0.05%, P≤0.05%.
6. make surfacing electrode for repairing according to the said sucrose roll of claim 1, it is characterized in that: described almag specification is: Al:45.0 ~ 55.0%, Mg >=32.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210158957.XA CN102689103B (en) | 2012-05-22 | 2012-05-22 | Surfacing electrode for manufacturing and repairing cane sugar roller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210158957.XA CN102689103B (en) | 2012-05-22 | 2012-05-22 | Surfacing electrode for manufacturing and repairing cane sugar roller |
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| Publication Number | Publication Date |
|---|---|
| CN102689103A true CN102689103A (en) | 2012-09-26 |
| CN102689103B CN102689103B (en) | 2014-07-16 |
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|---|---|---|---|
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2506149C1 (en) * | 2012-12-25 | 2014-02-10 | Открытое акционерное общество Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения" (ОАО НПО "ЦНИИТМАШ") | Electrode flux for wear proof deposition |
| CN105458555A (en) * | 2015-12-10 | 2016-04-06 | 无锡普瑞明思机械制造有限公司 | High-strength wear-resisting welding rod |
| CN105458554A (en) * | 2015-12-10 | 2016-04-06 | 无锡普瑞明思机械制造有限公司 | Smokeless environment-friendly welding rod |
| CN105710562A (en) * | 2016-04-19 | 2016-06-29 | 南通豪泰焊材有限公司 | Ultra-low-hydrogen electrode and manufacturing method thereof |
| CN105772990A (en) * | 2016-04-19 | 2016-07-20 | 南通豪泰焊材有限公司 | Titanic-acid stainless steel welding electrode and manufacturing method thereof |
| WO2019016817A1 (en) * | 2017-07-20 | 2019-01-24 | Zika Industries Ltd. | Low manganese emitting welding flux |
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| CN1152491A (en) * | 1995-12-18 | 1997-06-25 | 邢台神光焊接有限公司 | Surfacing welding electrode for roller |
| CN101439448A (en) * | 2008-12-30 | 2009-05-27 | 沈阳哈维尔表面工程技术有限公司 | Low-stress wear-proof surfacing welding electrode for multi-layer overlaying welding |
| CN101898284A (en) * | 2010-07-14 | 2010-12-01 | 中国船舶重工集团公司第七二五研究所 | Surfacing electrode for repairing hot forged mould |
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2012
- 2012-05-22 CN CN201210158957.XA patent/CN102689103B/en active Active
Patent Citations (3)
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| CN1152491A (en) * | 1995-12-18 | 1997-06-25 | 邢台神光焊接有限公司 | Surfacing welding electrode for roller |
| CN101439448A (en) * | 2008-12-30 | 2009-05-27 | 沈阳哈维尔表面工程技术有限公司 | Low-stress wear-proof surfacing welding electrode for multi-layer overlaying welding |
| CN101898284A (en) * | 2010-07-14 | 2010-12-01 | 中国船舶重工集团公司第七二五研究所 | Surfacing electrode for repairing hot forged mould |
Non-Patent Citations (1)
| Title |
|---|
| 中国国家标准化管理委员会: "《GB/T 4241-2006》", 2 March 2006, article "焊接用不锈钢盘条", pages: 5 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2506149C1 (en) * | 2012-12-25 | 2014-02-10 | Открытое акционерное общество Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения" (ОАО НПО "ЦНИИТМАШ") | Electrode flux for wear proof deposition |
| CN105458555A (en) * | 2015-12-10 | 2016-04-06 | 无锡普瑞明思机械制造有限公司 | High-strength wear-resisting welding rod |
| CN105458554A (en) * | 2015-12-10 | 2016-04-06 | 无锡普瑞明思机械制造有限公司 | Smokeless environment-friendly welding rod |
| CN105710562A (en) * | 2016-04-19 | 2016-06-29 | 南通豪泰焊材有限公司 | Ultra-low-hydrogen electrode and manufacturing method thereof |
| CN105772990A (en) * | 2016-04-19 | 2016-07-20 | 南通豪泰焊材有限公司 | Titanic-acid stainless steel welding electrode and manufacturing method thereof |
| WO2019016817A1 (en) * | 2017-07-20 | 2019-01-24 | Zika Industries Ltd. | Low manganese emitting welding flux |
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| CN102689103B (en) | 2014-07-16 |
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