CN110241418A - 一种卷取机夹送辊及其激光熔覆方法 - Google Patents
一种卷取机夹送辊及其激光熔覆方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004372 laser cladding Methods 0.000 title claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000000843 powder Substances 0.000 claims abstract description 67
- 238000005253 cladding Methods 0.000 claims abstract description 48
- 229910052742 iron Inorganic materials 0.000 claims abstract description 42
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000010583 slow cooling Methods 0.000 claims description 14
- 239000000470 constituent Substances 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 10
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 244000137852 Petrea volubilis Species 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 235000019441 ethanol Nutrition 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000003746 surface roughness Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 239000011651 chromium Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- RZJQYRCNDBMIAG-UHFFFAOYSA-N [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] Chemical class [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] RZJQYRCNDBMIAG-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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- 238000010422 painting Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/34—Feeding or guiding devices not specially adapted to a particular type of apparatus
- B21C47/3433—Feeding or guiding devices not specially adapted to a particular type of apparatus for guiding the leading end of the material, e.g. from or to a coiler
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
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Abstract
本发明属于激光增材再制造领域,具体公开了一种卷取机夹送辊及其激光熔覆方法,采用了气载同轴送粉方式,从夹送辊一端向另一端螺旋式熔覆,激光功率为1.5KW‑6.5KW,扫描速度为300mm/min‑1500mm/min,离焦量为0‑100mm,搭接率为30%‑75%,送粉分量为2g‑25g/min;所送粉末包括碳化钨粉末和铁基合金粉末,该方法制造的夹送辊包括夹送辊本体(2)和其表面熔覆铁基陶瓷相合金层(3);本发明熔覆方法熔覆的夹送辊,耐磨损性能、耐腐蚀性能、热强度得到大幅度提升,延长了夹送辊的使用寿命,降低了生产成本,提高了经济效益。
Description
技术领域
本发明属于激光增材再制造领域,涉及卷取机夹送辊表面制备耐腐蚀耐磨复合涂层的激光熔覆方法,具体公开了一种卷取机夹送辊及其激光熔覆方法。
背景技术
卷取机夹送辊是热轧带钢生产线的重要部件之一,担负着将轧好的板带导向、夹送、矫直、校平及辅助成卷的任务。夹送辊和助卷辊表面质量直接影响板带的表面质量。夹送辊在冷热疲劳、氧化、腐蚀及磨损等恶劣情况下工作,承受一定的压力且表面温度高达500-650℃,因此辊面易出现粘钢、龟裂和磨损等问题导致失效,故要求辊子表面具有较好的硬度、高温耐磨性、抗热疲劳及耐冲击等性能。
发明内容
为了解决上述存在的问题,本发明提供了一种卷取机夹送辊及其激光熔覆方法,该熔覆方法只需要熔覆一层就可以修复和强化卷取机夹送辊,并使得熔覆层硬度在HRC45-47,厚度可达0.2-1.5mm。由此种熔覆方法制造的卷取机夹送辊,增强了表面硬度,提高了耐磨性和耐腐蚀性,且有较高的热强度,延长了卷取机夹送辊的工作寿命。
具体的,本发明公开了一种卷取机夹送辊,包括夹送辊本体(2),其特征在于:所述夹送辊本体(2)的辊身圆柱的表面熔覆铁基陶瓷相合金层(3)。
优选的,所述熔覆铁基陶瓷相合金层(3)厚度为0.2-1.5mm,优选0.5-1mm。
优选的,所述熔覆铁基陶瓷相合金层(3)包括碳化钨粉末和铁基合金粉末,所述碳化钨粉末与铁基合金粉末的重量比为1/9-1/3,优选1/7-1/5。
优选的,所述铁基合金粉末组成成分的质量百分比为C:0.09%-0.15%,Si:0.9%-1%,Mn:0.4%-0.5%,Mo:1.5%-2.0%,Cr:15%-18%,Ni:3.5%-5.0%,B,优选1/7-1/5:0.5%-0.6%,V:0.08%-0.05%,O:0.04%-0.02%,余Fe。
其中,C优选为0.10%-0.12%;Mo优选为1.6%-1.8%;Cr优选为16%-17%;Ni优选为4%-4.5%;V优选为0.07%-0.06%。
本发明的另一方面还提供了一种卷取机夹送辊的激光熔覆方法,其特征在于,所述方法包括以下步骤:
(1)对卷取机夹送辊表面进行车削加工;
(2)用80-400目砂纸对步骤(1)所述夹送辊表面进行打磨;
(3)对步骤(2)所述夹送辊表面进行清洗,预热,预热温度为50-100℃;
(4)对步骤(3)所述夹送辊表面进行激光熔覆,采用气载同轴送粉方式,从夹送辊一端向另一端螺旋式熔覆,激光功率为1.5KW-6.5KW,扫描速度为300mm/min-1500mm/min,离焦量为0-100mm,搭接率为30%-75%,送粉分量为2g-25g/min;所送粉末包括碳化钨粉末和铁基合金粉末;
(5)对熔覆后的夹送辊进行缓冷措施,缓冷至40℃以下得到新的卷取机夹送辊。
优选的,将步骤(4)熔覆后熔覆层的厚度控制在0.2-1.5mm,优选0.5-1mm。
优选的,步骤(4)所述碳化钨粉末与铁基合金粉末的重量比为1/9-1/3,优选1/7-1/5。
优选的,所述铁基合金粉末的组成成分质量百分比为C:0.09%-0.15%,Si:0.9%-1%,Mn:0.4%-0.5%,Mo:1.5%-2.0%,Cr:15%-18%,Ni:3.5%-5.0%,B:0.5%-0.6%,V:0.08%-0.05%,O:0.04%-0.02%,余Fe。
其中,C优选为0.10%-0.12%;Mo优选为1.6%-1.8%;Cr优选为16%-17%;Ni优选为4%-4.5%;V优选为0.07%-0.06%。
优选的,步骤(1)对夹送辊表面进行车削加工后表面粗糙度为Ra3.2。
优选的,步骤(3)适用乙醇对步骤(2)所述夹送辊表面进行清洗。
更具体的,本发明提供了一种卷取机夹送辊的激光熔覆方法,其特征在于,所述方法包括以下步骤:
(1)对卷取机夹送辊表面进行车削加工,使得表面粗糙度为Ra3.2;
(2)用80-400目砂纸对步骤(1)所述夹送辊表面进行打磨;
(3)用乙醇对步骤(2)所述夹送辊表面进行清洗,预热,预热温度为50-100℃;
(4)对步骤(3)所述夹送辊表面进行激光熔覆,采用气载同轴送粉方式,从夹送辊一端向另一端螺旋式熔覆,激光功率为1.5KW-6.5KW,扫描速度为300mm/min-1500mm/min,离焦量为0-100mm,搭接率为30%-75%,送粉分量为2g-25g/min;所送粉末包括碳化钨粉末和铁基合金粉末;所述碳化钨粉末与铁基合金粉末的重量比为1/9-1/3;所述铁基合金粉末组成成分的质量百分比为C:0.09%-0.15%,Si:0.9%-1%,Mn:0.4%-0.5%,Mo:1.5%-2.0%,Cr:15%-18%,Ni:3.5%-5.0%,B:0.5%-0.6%,V:0.08%-0.05%,O:0.04%-0.02%,余Fe;
(5)对熔覆后的夹送辊进行缓冷措施,缓冷至40℃以下得到新的卷取机夹送辊。
优选的,对夹送辊熔覆层进行检测,确定无裂纹、气孔等其他缺陷,硬度达到HRC:45-47。
该熔覆方法不需要打底层可使有效硬化层硬度达到HRC45-47,厚度达0.2-1.5mm,该方法使两种不同的性能的材料得到有效融合,并未出现任何缺陷,使熔覆方法发生很大变化,且生产周期大大缩短,使被熔覆件耐磨损性能、耐腐蚀性能、热强度得到大幅度提升,延长了夹送辊的使用寿命,降低了生产成本,提高了经济效益。
附图说明
下面结合附图对本发明进一步说明。
图1是本发明夹送辊主视示意图。
图2是图1的剖视示意图,1为由本发明熔覆方法制造的夹送辊,2为卷取机夹送辊本体,3为卷取机夹送辊本体2辊面的表面熔覆铁基陶瓷相合金层。
具体实施方式
为了有利于本领域技术人员对本发明有更加清楚的理解,下面对本发明的优选实施例作进一步的详细说明。
实施例1
对卷取机夹送辊的表面进行车削加工,使表面粗糙度为Ra3.2;用80目砂纸对表面进行打磨;再用乙醇对表面进行清洗;对夹送辊进行辊面预热,预热温度50℃;达到预热温度后,恒温条件下对夹送辊表面进行激光熔覆,采用气载同轴送粉方式,从夹送辊一端向另一端螺旋式熔覆,激光功率为1.5KW,扫描速度为600mm/min,离焦量为0mm,搭接率为40%,送粉分量为3g/min,所送粉末包括碳化钨粉末和铁基合金粉末,其中碳化钨粉末和铁基合金粉末质量比为1/9;所采用的铁基合金粉末的组成成分质量百分比为C:0.09%,Si:0.9%,Mn:0.4%,Mo:1.5%,Cr:15%,Ni:3.6%,B:0.5%,V:0.08%,O:0.04%,余Fe;对熔覆后的夹送辊实施缓冷措施,缓冷至40摄氏度以下时进行表面检测,确定无裂纹、气孔等其他缺陷,硬度达到HRC46-47;熔覆的合金层厚度为0.5mm。
本发明熔覆方法制造的夹送辊1,如图1、图2所示,包括:卷取机夹送辊本体2,所述卷取机夹送辊本体2辊面表面熔覆铁基陶瓷相合金层3。
实施例2
对卷取机夹送辊的表面进行车削加工,使表面粗糙度为Ra3.2;用80目砂纸对表面进行打磨;再用乙醇对表面进行清洗;对夹送辊进行辊面预热,预热温度60℃;达到预热温度后,恒温条件下对夹送辊表面进行激光熔覆,采用气载同轴送粉方式,从夹送辊一端向另一端螺旋式熔覆,激光功率为3.1KW,扫描速度为850mm/min,离焦量为30mm,搭接率为50%,送粉量为10g/min,所送粉末包括碳化钨粉末和铁基合金粉末,其中碳化钨粉末和铁基合金粉末质量比为1/7;所采用的铁基合金粉末的组成成分质量百分比为C:0.12%,Si:0.9%,Mn:0.4%,Mo:1.5%,Cr:16.01%,Ni:3.7%,B:0.5%,V:0.08%,O:0.04%,余Fe;对熔覆后的夹送辊实施缓冷措施,缓冷至40摄氏度以下时进行表面检测,确定无裂纹、气孔等其他缺陷,硬度达到HRC45-46;熔覆的合金层厚度为0.8mm。
实施例3
对卷取机夹送辊的表面进行车削加工,使表面粗糙度为Ra3.2;用80目砂纸对表面进行打磨;再用乙醇对表面进行清洗;对夹送辊进行辊面预热,预热温度70℃;达到预热温度后,恒温条件下对夹送辊表面进行激光熔覆,采用气载同轴送粉方式,从夹送辊一端向另一端螺旋式熔覆,激光功率为4.7KW,扫描速度为1000mm/min,离焦量为55mm,搭接率为60%,送粉分量为15g/min,所送粉末包括碳化钨粉末和铁基合金粉末,其中碳化钨粉末和铁基合金粉末质量比为1/5;所采用的铁基合金粉末的组成成分质量百分比为C:0.14%,Si:0.9%,Mn:0.4%,Mo:1.5%,Cr:17.4%,Ni:4.0%,B:0.5%,V:0.08%,O:0.04%,余Fe;对熔覆后的夹送辊实施缓冷措施,缓冷至40摄氏度以下时进行表面检测,确定无裂纹、气孔等其他缺陷,硬度达到HRC46-47;熔覆的合金层厚度为1.1mm。
实施例4
对卷取机夹送辊的表面进行车削加工,使表面粗糙度为Ra3.2;用80目砂纸对表面进行打磨;再用乙醇对表面进行清洗;对夹送辊进行辊面预热,预热温度80℃;达到预热温度后,恒温条件下对夹送辊表面进行激光熔覆,采用气载同轴送粉方式,从夹送辊一端向另一端螺旋式熔覆,激光功率为6.3KW,扫描速度为1200mm/min,离焦量为80mm,搭接率为75%,送粉分量为25g/min,所送粉末包括碳化钨粉末和铁基合金粉末,其中碳化钨粉末和铁基合金粉末质量比为1/3;所采用的铁基合金粉末的组成成分质量百分比为C:0.15%,Si:0.9%,Mn:0.4%,Mo:1.5%,Cr:17.9%,Ni:4.9%,B:0.5%,V:0.08%,O:0.04%,余Fe;对熔覆后的夹送辊实施缓冷措施,缓冷至40摄氏度以下时进行表面检测,确定无裂纹、气孔等其他缺陷,硬度达到HRC45-46;熔覆的合金层厚度为1.5mm。
对比例1
与实施例1相同,当铁基陶瓷相合金粉末的Cr组成成分质量百分比为10%时,由于稀释率的原因导致熔覆层的Cr的成分质量百分数下降,测得对比例1稀释率为10%时,熔覆层Cr含量为9%,这样熔覆层的防锈能力将会不足,在夹送辊工作时,较高的工作温度以及潮湿的环境很容易腐蚀夹送辊。
对比例2
与实施例1相同,碳化钨粉末和铁基合金粉末质量比为1/10时,铁基陶瓷相合金熔覆层的耐磨性能不够明显。
对比例3
与实施例4相同,当铁基陶瓷相合金粉末的Cr组成成分质量百分比为20%,熔覆等的硬度下降达HRC38-39。当铬含量超过15%时,钢材的强度和硬度将下降,伸长率和断面收缩率则相应地有所提高。Cr含量控制在18%以内,使得合金层的硬度不至于过低,而且有着较强的耐蚀性能以及热强度。
对比例4
与实施例4相同,碳化钨粉末和铁基合金粉末质量比为1/2时,这样的铁基陶瓷相合金熔覆层的更容易产生裂纹。
Claims (10)
1.一种卷取机夹送辊,包括夹送辊本体(2),其特征在于:所述夹送辊本体(2)的辊身圆柱的表面熔覆铁基陶瓷相合金层(3)。
2.根据权利要求1所述的卷取机夹送辊,其特征在于:所述熔覆铁基陶瓷相合金层(3)厚度为0.2-1.5mm。
3.根据权利要求1所述的卷取机夹送辊,其特征在于:所述熔覆铁基陶瓷相合金层(3)包括碳化钨粉末和铁基合金粉末,所述碳化钨粉末与铁基合金粉末的重量比为1/9-1/3。
4.根据权利要求3所述的卷取机夹送辊,其特征在于:所述铁基合金粉末组成成分的质量百分比为C:0.09%-0.15%,Si:0.9%-1%,Mn:0.4%-0.5%,Mo:1.5%-2.0%,Cr:15%-18%,Ni:3.5%-5.0%,B:0.5%-0.6%,V:0.08%-0.05%,O:0.04%-0.02%,余Fe。
5.一种卷取机夹送辊的激光熔覆方法,其特征在于,所述方法包括以下步骤:
(1)对卷取机夹送辊表面进行车削加工;
(2)用80-400目砂纸对步骤(1)所述夹送辊表面进行打磨;
(3)对步骤(2)所述夹送辊表面进行清洗,预热,预热温度为50-100℃;
(4)对步骤(3)所述夹送辊表面进行激光熔覆,采用气载同轴送粉方式,从夹送辊一端向另一端螺旋式熔覆,激光功率为1.5KW-6.5KW,扫描速度为300mm/min-1500mm/min,离焦量为0-100mm,搭接率为30%-75%,送粉分量为2g-25g/min;所送粉末包括碳化钨粉末和铁基合金粉末;
(5)对熔覆后的夹送辊进行缓冷措施,缓冷至40℃以下得到新的卷取机夹送辊。
6.根据权利要求5所述的激光熔覆方法,其特征在于,将步骤(4)熔覆后熔覆层的厚度控制在0.2-1.5mm。
7.根据权利要求5所述的激光熔覆方法,其特征在于,步骤(4)所述碳化钨粉末与铁基合金粉末的重量比为1/9-1/3。
8.根据权利要求7所述的激光熔覆方法,其特征在于,所述铁基合金粉末的组成成分质量百分比为C:0.09%-0.15%,Si:0.9%-1%,Mn:0.4%-0.5%,Mo:1.5%-2.0%,Cr:15%-18%,Ni:3.5%-5.0%,B:0.5%-0.6%,V:0.08%-0.05%,O:0.04%-0.02%,余Fe。
9.根据权利要求5所述的激光熔覆方法,其特征在于,步骤(1)对夹送辊表面进行车削加工后表面粗糙度为Ra3.2。
10.根据权利要求5所述的激光熔覆方法,其特征在于,步骤(3)适用乙醇对步骤(2)所述夹送辊表面进行清洗。
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111974984A (zh) * | 2020-07-21 | 2020-11-24 | 安徽马钢表面技术股份有限公司 | 一种高速激光熔覆用铁基合金粉末及其熔覆方法 |
CN113048094A (zh) * | 2021-03-31 | 2021-06-29 | 苏州大学 | 一种磁力驱动泵泵轴、磁力驱动泵及泵轴的制作方法 |
CN115673314A (zh) * | 2023-01-05 | 2023-02-03 | 矿冶科技集团有限公司 | 一种铁基激光熔覆材料和耐磨铁基激光熔覆层 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005074455A (ja) * | 2003-08-29 | 2005-03-24 | Jfe Steel Kk | 巻取装置用ピンチロール |
CN102392243A (zh) * | 2011-12-22 | 2012-03-28 | 广州有色金属研究院 | 一种矫直辊的激光表面熔覆方法 |
CN106480446A (zh) * | 2015-09-02 | 2017-03-08 | 沈阳大陆激光工程技术有限公司 | 在卷取机夹送辊表面制备耐磨抗热复合涂层的方法 |
WO2018232618A1 (en) * | 2017-06-21 | 2018-12-27 | Höganäs Ab | IRON-BASED ALLOY SUITABLE FOR PROVIDING HARD AND CORROSION-RESISTANT COATING ON A SUBSTRATE, ARTICLE COMPRISING CORROSION RESISTANT HARD COATING, AND METHOD FOR PRODUCING THE SAME |
CN109576603A (zh) * | 2019-01-30 | 2019-04-05 | 沈阳大陆激光工程技术有限公司 | 一种激光熔覆修复精轧除鳞箱夹送辊的功能层合金粉末及方法 |
-
2019
- 2019-07-18 CN CN201910649526.5A patent/CN110241418A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005074455A (ja) * | 2003-08-29 | 2005-03-24 | Jfe Steel Kk | 巻取装置用ピンチロール |
CN102392243A (zh) * | 2011-12-22 | 2012-03-28 | 广州有色金属研究院 | 一种矫直辊的激光表面熔覆方法 |
CN106480446A (zh) * | 2015-09-02 | 2017-03-08 | 沈阳大陆激光工程技术有限公司 | 在卷取机夹送辊表面制备耐磨抗热复合涂层的方法 |
WO2018232618A1 (en) * | 2017-06-21 | 2018-12-27 | Höganäs Ab | IRON-BASED ALLOY SUITABLE FOR PROVIDING HARD AND CORROSION-RESISTANT COATING ON A SUBSTRATE, ARTICLE COMPRISING CORROSION RESISTANT HARD COATING, AND METHOD FOR PRODUCING THE SAME |
CN109576603A (zh) * | 2019-01-30 | 2019-04-05 | 沈阳大陆激光工程技术有限公司 | 一种激光熔覆修复精轧除鳞箱夹送辊的功能层合金粉末及方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111974984A (zh) * | 2020-07-21 | 2020-11-24 | 安徽马钢表面技术股份有限公司 | 一种高速激光熔覆用铁基合金粉末及其熔覆方法 |
CN111974984B (zh) * | 2020-07-21 | 2023-09-12 | 安徽马钢表面技术股份有限公司 | 一种高速激光熔覆用铁基合金粉末及其熔覆方法 |
CN113048094A (zh) * | 2021-03-31 | 2021-06-29 | 苏州大学 | 一种磁力驱动泵泵轴、磁力驱动泵及泵轴的制作方法 |
CN115673314A (zh) * | 2023-01-05 | 2023-02-03 | 矿冶科技集团有限公司 | 一种铁基激光熔覆材料和耐磨铁基激光熔覆层 |
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