CN102321886A - High-abrasion resistance roller of spray welding and wire drawing machine - Google Patents
High-abrasion resistance roller of spray welding and wire drawing machine Download PDFInfo
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- CN102321886A CN102321886A CN201110271005A CN201110271005A CN102321886A CN 102321886 A CN102321886 A CN 102321886A CN 201110271005 A CN201110271005 A CN 201110271005A CN 201110271005 A CN201110271005 A CN 201110271005A CN 102321886 A CN102321886 A CN 102321886A
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Abstract
The invention relates to a high-abrasion resistance roller of a spray welding and wire drawing machine. Nickel-based alloy spray welding powder for producing the high-abrasion resistance spray welding and wire drawing roller comprises the following components according to percentage by mass: 10-18% of chromium, 1.1-3.5% of boron, 1.1-6.5% of silicon, 8-18% of iron, 0.2-1.4% of carbon, 3-15% of tungsten and the balance of nickel. The spray welding method comprises the steps of pre-heating before blasting sand, removing sand, spraying alloy powder, re-melting, cutting and finishing. According to the method disclosed by the invention, the hardness of the roller is increased; the abrasion resistance property, the corrosion resistance property, the high-temperature resistance property and the oxidization resistance property are realized; the service life of work-pieces can be prolonged by several times to one hundred times; and the service life of the roller of the wire drawing machine is up to 3-5 years.
Description
Technical field
The present invention relates to the mechanical workout class, especially relate to the reel of metal drawing high abrasion surfacing drawing wire machine.
Background technology
Hot spray welding technology is the new technology of material surface strengthening and surface protection, is the important component part of surface engineering technology.Along with development of modern science and technology; Performance requriements to material and equipment is also increasingly high, if the expensive metallic substance of monoblock casting or forging ratio, cost is too high; And adopt hot method for spray-welding surfacing layer protective layer, strengthening layer on the common iron surface; Achieve a series of functional performances such as anticorrosion, wear-resisting, anti-attrition, high temperature resistance, antioxidant and radioprotective, the mechanical part of having scrapped " is come back to life ", new installation " is prolonged life ".Therefore, spray welding technology is a new technology of save energy, economical with materials, in our practice, has obtained very big economic benefit, and development prospect is very considerable.
What reel in the past adopted is traditional mode of production: high-frequency quenching or chromium plating.But reel is in the wire drawing drawing process.Can only use one month at most or two months.Reel will grooving, through the exploratory development of more than ten years to hot spray welding process, has progressively explored the prescription of mode, method and the nickel-base alloy powder of a series of production drawing blocks.Make reel work-ing life up to 3 years to 5 years.
Summary of the invention
The purpose of this invention is to provide a kind of high abrasion surfacing reel; Be through hot spray welding technology in common metal casting cold drawing bench mandrel surface; Wimet is attached to the drawing reel drum surface; Form one deck hardening agent resist, improve hardness, increase wear-resistant, corrosion-resistant, radiation hardness, work-ing life of antioxidant property, raising drawing reel drum.
Adopt oxygen, acetylene as heat energy, with wimet, promptly the particle of nickel-base alloy powder sprays at a high speed and is attached to required workpiece surface; Make the powdered alloy fusing then; Form one deck hardening agent resist, the surface hardness of building together can reach about 60 degree, lets the resist that the surface has wear-resistant, corrosion-resistant, radiation hardness, property such as anti-oxidant of building together; Improve the work-ing life of tens times of workpiece or hundreds of times, scrap products " is come back to life ".
One, nickel base alloy spray welding powder component prescription is realized through following technical scheme.Following by mass percentage:
Chromium 10-18; Boron 1.1-3.5; Silicon 1.1-6.5; Iron 8-18; Carbon 0.2-1.4; Tungsten 3-15; Nickel is surplus.
Two, produce the spray welding process method and the step of high abrasion surfacing drawing block:
1, the preheating before the sandblast: behind the drawing block casting; The reel circumferential surface does not have defectives such as sand holes, pore, burning into sand, if defectiveness must be flat with the welding electrode weldering, and polishing is normal partly the same smooth with other; Whether the chamfer angle number of inspection reel puts in place; The person is not when remelting, and the spray-welding coating crimping can make whole reel scrap; The preheating of reel, temperature will progressively raise, and makes all thermally equivalents of each position of reel, and preheating temperature is 180-200 ℃, and the too high meeting of temperature makes the mandrel surface oxidation send out orchid, crosses low can making greasy dirt, foreign material are not dryouied only, makes workpiece can't reach husky clearly clean fully.
2, sand removal operation: sand removal is to make mandrel surface rust cleaning and alligatoring, at first wants the surfacing of choice criteria to use sand.What the present invention adopted is silica sand, and granularity is the 8-12 order, and sand too carefully can not be removed the iron rust on surface and the residue after the greasy dirt burning, can't reach the purpose of alligatoring workpiece surface, and sand too slightly can not be removed iron rust and residue; To choose the angle of sandblast and workpiece during sand removal, otherwise, can make workpiece not reach the sand removal purpose, cause the surfacing workpiece in later stage to be scrapped; To adjust the air pressure size during sandblast; Derusting by sandblast and alligatoring must be thoughtful, by rust cleaning or alligatoring to the place sand of must respraying, reach till the requirement.
3, spray alloy powder operation: before the spray alloy powder, make workpiece be preheating to 200 ℃ ± 5 ℃ alloy powder and workpiece can fully be combined, during the spray alloy powder; Keep the angle of dusting; Angle of dusting and drum substrate fully spray on drum substrate powder at an angle of 90, strengthen the amount of dusting simultaneously and the drum substrate temperature is progressively raise; Drum substrate temperature and powdered alloy temperature are risen synchronously, otherwise can produce the quality problems of piece.
4, remelting operation: be increased to 500-700 ℃ to whole drum substrate temperature, make thermal source with oxygen-acetylene, the remelting rifle is near the nickel-base alloy powder of surfacing on mandrel surface; The nickel-base alloy powder on drum substrate surface is fully dissolved; Dissolve the nickel-base alloy powder that is combined and under the effect of flame light, can produce the minute surface reaction, whole drum substrate temperature is consistent, otherwise can causes the drum substrate deflection big; Alloy powder cracks under action of thermal difference; At last at reel circumference workplace through cutting precision work, form one deck and combine firm wimet resist, can improve its hardness; Increase wear-resistingly, corrosion-resistant, heat-resisting, anti-oxidant, make hardness reach HPC >=60.
Embodiment
High abrasion surfacing drawing block of the present invention, for hardness and the increase wear resistance that improves its reel, surfacing one deck nickel-base alloy powder on the circumference of drum substrate, nickel base alloy spray welding powder component is following by mass percentage:
Chromium 18; Boron 3.5; Silicon 6.5; Iron 18; Carbon 1.4; Tungsten 15; Surplus is a nickel.
The method for spray-welding of producing high wearable surfacing drawing block is: preheating before the sandblast, sand removal operation, spray alloy powder, remelting operation, cutting precision work etc.
1, the preheating before the sandblast is behind the drawing block casting, to the reel preheating of heating; Preheating temperature progressively raises, and is elevated to 180-200 ℃ at last, makes each position thermally equivalent of reel; Temperature is crossed to hang down and can be made greasy dirt, foreign material not burning out, and it is clean fully to make reel can't reach sand removal.
2, sand removal operation: the surfacing sand of choice criteria; What the present invention adopted is silica sand, and its granularity is the 8-12 order, and sand too carefully can not be removed the iron rust and the residue of removing after greasy dirt burns on surface; Can't reach the purpose of alligatoring mandrel surface, sand too slightly can not be removed iron rust and residue.Also to choose the angle of sandblast and reel during sand removal.Will adjust the air pressure size during sandblast, it is thoughtful comprehensively that derusting by sandblast and alligatoring are wanted, and can not leak spray, sprays the sand of should respraying if any leaking, until reaching requirement.
3, spray alloy powder operation: earlier reel is preheating to 200 ℃ ± 5 ℃; Make that powder and mandrel surface can fully combine at the bottom of the alloy; The angle that will keep dusting during the spray alloy powder and drum substrate surface are at an angle of 90; Powder is fully sprayed on drum substrate surface, strengthen the amount of dusting simultaneously, reel and powdered alloy temperature are raise synchronously with the rising of drum substrate temperature.In order to practice thrift cost, only the stressed work circumferential surface to the reel Lower Half sprays.
4, remelting operation: be increased to 500-700 ℃ to whole drum substrate temperature; Make thermal source with oxygen-acetylene; Near the nickel-base alloy powder surface on the spraying face nickel alloy powder on drum substrate surface is fully dissolved the remelting welding gun; Dissolve the nickel-base alloy bisque that is combined under the flame light action, can produce the minute surface reaction.Whole drum substrate temperature is consistent; After remelting is accomplished; The reel periphery is formed one deck through cutting precision work combine firm wimet resist; Improve its hardness and reach HRC >=60, increased wear-resisting, corrosion-resistant, heat-resisting, anti-oxidant, thereby the work-ing life of improving drawing drum greatly.
Claims (5)
1. high abrasion surfacing drawing block is characterized in that: proportioning is following by mass percentage: chromium 10-18 to produce the component of nickel base alloy spray welding powder of high wearable surfacing drawing drum; Boron 1.1-3.5; Silicon 1.1-6.5; Iron 8-18; Carbon 0.2-1.4; Tungsten 3-15; Nickel is surplus; Method for spray-welding is: preheating before the sandblast, sand removal operation, spray alloy powder, remelting operation, cutting precision work.
2. according to the high abrasion surfacing drawing block of claim 1, it is characterized in that: preheating is that preheating temperature progressively raises to each position thermally equivalent of drum substrate before the described sandblast, is elevated to 180-200 ℃ at last.
3. according to the high abrasion surfacing drawing block of claim 1; It is characterized in that: the sand removal operation; Mandrel surface iron rust and coarse surface are removed in sand removal, and adopting the quartz sand particle degree is the 8-12 order, and derusting by sandblast must be thoughtful comprehensively; The leakage specking can not be arranged, choose the angle of sandblast and reel and the air pressure of sandblast.
4. according to the high abrasion surfacing drawing block of claim 1; It is characterized in that: described spray alloy powder operation; Earlier reel is preheating to 200 ℃ ± 5 ℃, the amount of dusting is strengthened with the rising of drum substrate temperature at an angle of 90 simultaneously in angle of dusting and drum substrate surface; And reel and powdered alloy temperature are raise synchronously, only the stressed work circumferential surface of reel Lower Half is sprayed.
5. according to the high wearable surfacing drawing block of claim 1; It is characterized in that: described remelting operation; Be increased to 500-700 ℃ to whole drum substrate temperature, make thermal source with oxygen-acetylene, the remelting welding gun is surperficial near the nickel-base alloy powder on the reel face; Make its sufficient fusing, the nickel-base alloy bisque that melted join is good can produce the minute surface reaction under the flame light action; Whole drum substrate temperature is consistent, and remelting is cut precision work to the reel periphery after accomplishing, and forms one deck and combines firm wimet resist, and its hardness reaches HRC >=60.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110271005A CN102321886A (en) | 2011-09-14 | 2011-09-14 | High-abrasion resistance roller of spray welding and wire drawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110271005A CN102321886A (en) | 2011-09-14 | 2011-09-14 | High-abrasion resistance roller of spray welding and wire drawing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102321886A true CN102321886A (en) | 2012-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110271005A Pending CN102321886A (en) | 2011-09-14 | 2011-09-14 | High-abrasion resistance roller of spray welding and wire drawing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994098A (en) * | 2018-08-20 | 2018-12-14 | 遵义市润丰源钢铁铸造有限公司 | Surfacing drawing block with high-wearing feature |
| CN113293372A (en) * | 2021-05-31 | 2021-08-24 | 内蒙古联晟新能源材料有限公司 | Processing technology for secondary treatment of rolled aluminum coil surface |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602676A (en) * | 1983-06-21 | 1985-01-08 | Toshiba Corp | Formation of wear-resistant coating |
| CN87102001A (en) * | 1987-03-20 | 1988-01-13 | 湖南省冶金材料研究所 | The technology of surface sculf-resistant coat spraying of refractory die sets |
| JPH062676A (en) * | 1992-03-05 | 1994-01-11 | Rene Linder | Rotating piston machine and usage thereof |
| CN1095426A (en) * | 1993-05-17 | 1994-11-23 | 国营南海机电厂 | Spray welding technology for drawing block |
| CN1544192A (en) * | 2003-11-14 | 2004-11-10 | 褚宏志 | Welding on process for restoring die |
| CN1804121A (en) * | 2006-01-17 | 2006-07-19 | 辽河石油勘探局 | Method for spray-welding valve plate valve seat sealing surface of viscous oil thermal production well mouth by utilizing nickel-based alloy |
-
2011
- 2011-09-14 CN CN201110271005A patent/CN102321886A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS602676A (en) * | 1983-06-21 | 1985-01-08 | Toshiba Corp | Formation of wear-resistant coating |
| CN87102001A (en) * | 1987-03-20 | 1988-01-13 | 湖南省冶金材料研究所 | The technology of surface sculf-resistant coat spraying of refractory die sets |
| JPH062676A (en) * | 1992-03-05 | 1994-01-11 | Rene Linder | Rotating piston machine and usage thereof |
| CN1095426A (en) * | 1993-05-17 | 1994-11-23 | 国营南海机电厂 | Spray welding technology for drawing block |
| CN1544192A (en) * | 2003-11-14 | 2004-11-10 | 褚宏志 | Welding on process for restoring die |
| CN1804121A (en) * | 2006-01-17 | 2006-07-19 | 辽河石油勘探局 | Method for spray-welding valve plate valve seat sealing surface of viscous oil thermal production well mouth by utilizing nickel-based alloy |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108994098A (en) * | 2018-08-20 | 2018-12-14 | 遵义市润丰源钢铁铸造有限公司 | Surfacing drawing block with high-wearing feature |
| CN108994098B (en) * | 2018-08-20 | 2019-09-17 | 遵义市润丰源钢铁铸造有限公司 | Surfacing drawing block with high-wearing feature |
| CN113293372A (en) * | 2021-05-31 | 2021-08-24 | 内蒙古联晟新能源材料有限公司 | Processing technology for secondary treatment of rolled aluminum coil surface |
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Application publication date: 20120118 |