CN1269611C - Method for fabricating composite wear-resisting plate through pile up welding - Google Patents
Method for fabricating composite wear-resisting plate through pile up welding Download PDFInfo
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- CN1269611C CN1269611C CN 200410014589 CN200410014589A CN1269611C CN 1269611 C CN1269611 C CN 1269611C CN 200410014589 CN200410014589 CN 200410014589 CN 200410014589 A CN200410014589 A CN 200410014589A CN 1269611 C CN1269611 C CN 1269611C
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Abstract
The present invention relates to a method for manufacturing a composite wear-resistant plate through overlaying welding, which is used for manufacturing parts and components, such as inner layers, sieve plates, etc. of various kinds of pipelines and mechanical equipment in an industrial material conveying system and belongs to the technical field of wear-resistant material. A steel plate is mainly coiled into a cylinder, medicine core welding wires are used for the overlaying welding on the external surface of the cylinder steel plate, water is sprayed for cooling the internal surface of the steel plate when the medicine core welding wires are welded in the overlaying welding, the cylinder steel plate in the good overlaying welding is halved and cut into arc-shaped wear-resistant plates along an axial direction, the arc-shaped wear-resistant plates are leveled into flat wear-resistant plates, and finally, edges are cut and planes are ground to form complete smooth wear-resistant plates. The present invention has the advantages of simple manufacturing technique and low manufacturing cost. Because the steel plate is coiled into the cylinder firstly, the cylinder is leveled into the flat plates after the overlaying welding, the steel plate can freely shrink, and the deformation of the steel plate is reduced. When the cylinder is leveled, because of the compression of overlaying welding surfaces, cracks which are shrunk can be refined. Because the water is sprayed for cooling, the hardness of a wear-resistant layer of the overlaying welding is increased when the cracks are homogeneous and are refined, and production efficiency can be enhanced.
Description
Technical field
The present invention relates to a kind of manufacture method of overlaying composite abrasion resistant plate, abrasion-proof composite plate is used for the industrial material induction system and makes parts in addition such as the internal layer of various pipelines, plant equipment and sieve plate, belongs to high-abrasive material
Technical field.
Background technology
Before the present invention makes, in prior art,, normally adopt high-carbon chromium iron tiling one deck on steel plate with the method for the comparatively approaching manufacturing wearing plate of the present invention, repave the last layer submerged arc welding flux, carry out submerged arc padding (swing or do not swing) with HO8A ordinary low-carbon steel welding wire.The production method of this kind large tracts of land wearing plate has the following disadvantages: 1. overlay cladding composition instability (welding parameter fluctuation causes that welding wire and high-carbon chromium iron melting ratio change); 2. welding wire proportion height, surfacing hardness is low, is up to HRc55; 3. steel plate is heated during built-up welding, and the finished product distortion is bigger, and flatness is between every square metre of 10-30mm; 4. the overlay cladding crackle is obvious, and its length generally surpasses 3 weld widths.
Technology contents
The objective of the invention is to overcome above-mentioned weak point, thereby provide a kind of manufacturing process simple, can enhance productivity, smooth again one-tenth is dull and stereotyped after the built-up welding, but make weld deposit process steel plate free shrink, reduce the distortion of steel plate, and can increase a kind of manufacture method of overlaying composite abrasion resistant plate of the wearing layer hardness of built-up welding.
Main solution of the present utility model is achieved in that
Manufacture method of the present invention is as follows:
1. earlier steel plate is rolled into cylinder on veneer reeling machine;
2. medication core welding wire built-up welding one deck wearing layer on cylinder steel plate outer surface, built-up welding thickness is 2-15mm, and the side weld limit is to the cooling of inner surface of steel plate water spray in built-up welding, and steel plate temperature in weld deposit process remains on below 100 ℃;
3. the cylinder steel plate that built-up welding is good adopts the plasma arc cutting mill to divide equally along axis direction and cuts into the arc wearing plate;
On purl machine with the arc wearing plate smooth be flat wearing plate;
Then with the plasma arc cutting mill with above-mentioned flat wearing plate cut edge, abrasive machine reconditioning plane, form the wearing plate of complete and smooth.
Compared with the prior art the present invention has the following advantages:
Manufacturing process of the present invention is simple, low cost of manufacture; Owing to adopt high-quality rich chromium cast iron type open arc welding wire, swing the fusing that reduces the mother metal steel plate with electric arc during built-up welding, surfacing hardness is improved; Owing to earlier steel plate is rolled into cylinder in manufacture process, smooth again one-tenth is dull and stereotyped after the built-up welding, but can make weld deposit process steel plate free shrink like this, has reduced the distortion of steel plate; Compress because of overlaying surface when smooth, crackle shrinks, and can make the crackle refinement; Because cylinder built-up welding reverse side do not have fixedly liner plate, adopt the water spray cooling, when making all even refinement of crackle, can improve cooling velocity, increased the wearing layer hardness of built-up welding; Because built-up welding continuously can be enhanced productivity on cylinder, be dull and stereotyped 2 times of going up built-up welding.
The technical parameter of built-up welding in the present invention is: welding current 450-550 peace; Arc voltage 40-50 volt; Speed of welding 200-400mm/ branch; Swing width 10-30mm; Swing speed 0.8-2m/ branch; Steel plate thickness 7-25mm; Steel plate drum diameter 1-3m; Built-up welding thickness 3-10mm; The cylinder steel plate that built-up welding is good is divided equally along axis direction and is cut into 2-5 arc wearing plate.
Description of drawings
Fig. 1 is a process chart of the present invention;
The specific embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
Embodiment one:
The present invention adopts δ 7mm * 1250mm * 6100mm steel plate to be rolled into diameter 1942mm cylinder on veneer reeling machine, adopts H904 open arc self-shielded welding wire in cylinder outer surface built-up welding (the adding swing) layer that 6mm is thick (solder technology parameter: welding current 480 peaces; 42 volts of arc voltages; Speed of welding 380mm/ branch; Swing width 12mm; Swing speed 1.6m/ branch; 2 layers of the built-up welding numbers of plies)., remain on below 100 ℃ with the cooling of water spray means side weld limit at built-up welding light plate inner surface in welding process light plate temperature.Cylinder steel plate that built-up welding is good adopts the plasma arc cutting mill to divide equally along axis direction and cuts into three arc wearing plates, then with the wearing plate of arc wearing plate smooth Cheng Ping on purl machine.Adopt the plasma arc cutting mill to cut edge at last, abrasive machine reconditioning plane, the wearing plate of formation complete and smooth.The wearing plate of level and smooth wearing plate δ 6mm (ground thickness)+6mm (the wear-resisting bed thickness of built-up welding) * 1200mm * 2000mm, wearing layer hardness HRc63.6, wearing layer has the ND hair check of equally distributed naked eyes, its length is that the angularity of plate is no more than 5mm about 1 weld width in one square metre.
Embodiment two:
The present invention adopts δ 7mm * 1250mm * 6100mm steel plate to be rolled into diameter 1942mm cylinder on veneer reeling machine, adopts H101B open arc self-shielded welding wire in cylinder outer surface built-up welding (the adding swing) layer that 7mm is thick (solder technology parameter: welding current 520 peaces; 46 volts of arc voltages; Speed of welding 220mm/ branch; Swing width 12mm; Swing speed 1.6m/ branch; 1 layer of the built-up welding number of plies)., remain on below 100 ℃ with the cooling of water spray means side weld limit at built-up welding light plate inner surface in welding process light plate temperature.Cylinder steel plate that built-up welding is good adopts the plasma arc cutting mill to divide equally along axis direction and cuts into three arc wearing plates, then with the wearing plate of arc wearing plate smooth Cheng Ping on purl machine.Employing at last waits plasma arc cutting mill to cut edge, abrasive machine reconditioning plane, the wearing plate of formation complete and smooth.The wearing plate of level and smooth wearing plate δ 6mm (ground thickness)+6mm (the wear-resisting bed thickness of built-up welding) * 1200mm * 2000mm, wearing layer hardness HRc58.9, wearing layer has the ND hair check of equally distributed naked eyes, its length is that the angularity of plate is no more than 5mm about 1 weld width in one square metre.
Embodiment three
In embodiments of the present invention in cylinder steel plate outer surface built-up welding (the adding swing) layer that 8mm is thick (solder technology parameter: welding current 500 peaces; 48 volts of arc voltages; Speed of welding 250mm/ branch; Swing width 15mm; Swing speed 1.2m/ branch; 2 layers of the built-up welding numbers of plies).Hardness can reach HRc62-66 (with H904 open arc self-shield rich chromium cast iron welding wire) or HRc51-61 (H101B open arc self-shield rich chromium cast iron welding wire) when the manufacture method among the employing embodiment one, two made built-up welding thickness 6mm equally; wearing layer has the ND hair check of equally distributed naked eyes; its length is about 1 weld width, and every square metre of the warpage flatness of plate is less than 5mm.
Claims (4)
1. the manufacture method of an overlaying composite abrasion resistant plate is characterized in that adopting following manufacture method:
(1), earlier steel plate is rolled into cylinder on veneer reeling machine;
(2) medication core welding wire built-up welding one deck wearing layer on cylinder steel plate outer surface, built-up welding thickness is 2-15mm, and the side weld limit is to the cooling of inner surface of steel plate water spray in built-up welding, and steel plate temperature in weld deposit process remains on below 100 ℃;
(3), cylinder steel plate that built-up welding is good adopts the plasma arc cutting mill to divide equally along axis direction and cuts into the arc wearing plate;
(4), on purl machine with the arc wearing plate smooth be flat wearing plate;
(5), then with the plasma arc cutting mill with above-mentioned flat wearing plate cut edge, abrasive machine reconditioning plane, form the wearing plate of complete and smooth.
2,, it is characterized in that described flux-cored wire adopts open arc self-shielded welding wire swing welding according to the manufacture method of the described a kind of overlaying composite abrasion resistant plate of claim 1.
3. according to the manufacture method of the described a kind of overlaying composite abrasion resistant plate of claim 1, it is characterized in that described steel plate drum diameter 1-3m.
4. according to the manufacture method of the described a kind of overlaying composite abrasion resistant plate of claim 1, it is characterized in that the good cylinder steel plate of described built-up welding is divided equally along axis direction to cut into 2-5 arc wearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014589 CN1269611C (en) | 2004-04-07 | 2004-04-07 | Method for fabricating composite wear-resisting plate through pile up welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014589 CN1269611C (en) | 2004-04-07 | 2004-04-07 | Method for fabricating composite wear-resisting plate through pile up welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1562549A CN1562549A (en) | 2005-01-12 |
| CN1269611C true CN1269611C (en) | 2006-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410014589 Expired - Fee Related CN1269611C (en) | 2004-04-07 | 2004-04-07 | Method for fabricating composite wear-resisting plate through pile up welding |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870027B (en) * | 2009-04-22 | 2012-06-27 | 中冶焊接科技有限公司 | Method for manufacturing high-chromium alloy overlaying composite abrasion resistant plate |
| CN102052475B (en) * | 2010-12-13 | 2012-10-03 | 科福龙阀门集团有限公司 | Process for manufacturing wear-resistant gate with anti-cracking grooves |
| CN102059466A (en) * | 2010-12-13 | 2011-05-18 | 天津工程机械研究院 | Machining method for preventing welding deformation of plate-type metallic workpieces |
| CN102922818A (en) * | 2012-10-29 | 2013-02-13 | 海门市威菱焊材制造有限公司 | Improved bimetal plate and manufacturing method thereof |
| CN103170709A (en) * | 2013-03-25 | 2013-06-26 | 湖北三江航天江北机械工程有限公司 | Non-penetration copper build up welding method on D406A steel surface |
| CN103192161B (en) * | 2013-04-25 | 2014-11-26 | 山东大学 | Corrosion-resistant abrasion-resistant composite metal plate suitable for high-temperature working condition |
| CN103192162B (en) * | 2013-04-25 | 2014-12-03 | 山东大学 | Corrosion-resistant and wear-resistant composite metal plate |
| CN104690396A (en) * | 2015-01-20 | 2015-06-10 | 云南机电职业技术学院 | Grinding roller surfacing technology for high-chromium wear-resistant material |
| CN106925862B (en) * | 2017-03-22 | 2020-03-24 | 平朔煤炭工业公司 | Performing CO treatment on a hydraulic support upright column piston rod2Arc surfacing repair method |
| CN106964883A (en) * | 2017-05-11 | 2017-07-21 | 浙江联创焊接技术有限公司 | High carbon and chromium open arc welding welding gun Water spraying device |
| CN109894824A (en) * | 2018-12-28 | 2019-06-18 | 盐城市成功机械制造有限公司 | A kind of hardfacing plate processing method |
| CN111843371A (en) * | 2020-06-23 | 2020-10-30 | 苏州优霹耐磨复合材料有限公司 | Low-friction-coefficient surfacing composite wear-resisting plate and manufacturing process thereof |
| CN112059453A (en) * | 2020-07-31 | 2020-12-11 | 苏州优霹耐磨复合材料有限公司 | Wear-resisting plate structure thinning treatment method |
| CN114515887A (en) * | 2022-03-11 | 2022-05-20 | 郑州机械研究所有限公司 | Preparation method of low-dilution-rate surfacing wear-resistant plate |
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- 2004-04-07 CN CN 200410014589 patent/CN1269611C/en not_active Expired - Fee Related
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| CN1562549A (en) | 2005-01-12 |
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