CN107779859A - A kind of preparation method of milling train liner plate - Google Patents

A kind of preparation method of milling train liner plate Download PDF

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Publication number
CN107779859A
CN107779859A CN201711002691.9A CN201711002691A CN107779859A CN 107779859 A CN107779859 A CN 107779859A CN 201711002691 A CN201711002691 A CN 201711002691A CN 107779859 A CN107779859 A CN 107779859A
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liner plate
powder
alloy powder
pieces
alloy
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CN107779859B (en
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付宇明
齐童
郑丽娟
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Dragon Totem Technology Hefei Co ltd
Hubei Chengbida Metal Manufacturing Co.,Ltd.
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Yanshan University
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laser Beam Processing (AREA)
  • Powder Metallurgy (AREA)

Abstract

A kind of preparation method of rolling mill lining plate, after it is mainly machined to 45 steel boards by drawing, the working surface of liner plate contact movement part is reduced into 1mm by size and continues to process;Alloyage powder, its chemical composition mass percent are:C 0.1~0.13%, Si 1.0~1.5%, Cr 14~16%, Co 1.6~1.7%, Mn 1.2~1.6%, surplus Fe;The identical size liner plate combination of two that will be processed, the mode that two pieces of liner plate non-working surfaces are in contact is fixed together;By the way of preset powdering, utilize high-power semiconductor laser high-energy light beam scanning, so that with liner plate substrate metal metallurgical reaction occurs for preset alloy powder, reinforced alloys layer is made in liner plate working face, the finishing of alloy enhanced layer is completed by surface grinding machine.Preparation technology of the present invention is simple, pollution-free, the reinforcing liner plate long lifespan of preparation, and cost is low.

Description

A kind of preparation method of milling train liner plate
Technical field
The present invention relates to machining technology field, particularly a kind of preparation method of milling train liner plate.
Background technology
In the milling train course of work, whole milling train bearing capacity is very big, during mill milling steel plate, is moved in milling train Abrasion of the part to fixing liner plate on mill housing is very big.Conventional liner plate is changed frequently due to wearing no resistance, in actual use, Downtime and entreprise cost are added, finds a kind of milling train liner plate more resistant, performance is good, cheap and its preparation side Method, for improving iron and steel enterprise's milling train productivity effect, it is significant to reduce shutdown loss.
In recent years, for how to improve the service life of rolling mill lining plate, engineers and technicians are from design, selection, assembling etc. Aspect has carried out many improvement, such as improves heat treatment mode, from specialty alloy materials.However, find in actual use, Although the rolling mill lining plate life-span increases after improving, cost is higher, and cost performance is low, not up to preferable service life, can not Ensure the production efficiency and reliability of milling train.
The content of the invention
It is an object of the invention to provide a kind of technique is simple, cost is cheap, can improve rolling mill lining plate wearability and use The preparation method of the milling train liner plate in life-span.
The preparation method of the present invention is as follows:
(1) 45 steel boards are processed by liner plate drawing, the working surface of liner plate contact movement part is subtracted by size Few 1mm continues to process, and after machining, the impurity such as degrease, and dries;
(2) alloyage powder, the chemical composition mass percent of the alloy powder are:C 0.1~0.13%, Si 1.0~1.5%, Cr 14~16%, Co 1.6~1.7%, Mn 1.2~1.6%, surplus Fe, the granularity of powder for 125~ 325 mesh;
(3) above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, be well mixed;
(4) the identical size liner plate combination of two that will be processed, by the counter sink bolt on liner plate by two blocks of liner plates The mode that non-working surface is in contact is fixed together;
(5) the fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, when ensureing cladding alloy powder Do not destroy counter sink and bolt;
(6) fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset paving Powder mode, the alloy powder of step (2) is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;
(7) using the high-energy light beam of high power semiconductor lasers output, preset alloy powder is scanned, semiconductor swashs Light device power P=3000~3500W, 2 × 14mm of rectangular light spot, overlapping rate 30~50%, scan velocity V=300~350mm/ Min so that with liner plate substrate surface metal quick metallurgical reaction occurs for alloy powder, is obtained in liner plate working surface uniform 1.5mm thickness alloy wear-resisting layers;
(8) by combinations thereof liner plate turn-over, in two pieces of combined lining boards on another piece of working face repeat step (6) and (7), also uniform 1.5mm thickness alloy wear-resisting layer is obtained in its working surface;
(9) two pieces of combined lining boards of splitting step (8), then finished by surface grinding machine, stock removal 0.5mm, Obtain size and surface smoothness meets the milling train liner plate of drawing requirement.
Under semiconductor laser output high-energy light beam effect, alloy powder occurs quick metallurgical with substrate surface metal Reaction, around under the cooling effect of normal temperature metal, obtain that crystal grain is tiny, alloy enhanced layer of dense structure, alloy strengthening Layer hardness reaches more than HRC61, flawless, stomata and inclusion defect, reinforcing liner plate has been made, hence it is evident that improve service life.
The present invention has the following advantages that compared with prior art:
1st, present invention process is simple, energy-conserving and environment-protective, pollution-free.
2nd, obtained reinforcing milling train liner plate, has preferable wear resistance, simultaneously as alloy cladding layer tissue causes Close, composition is uniform, also with outstanding anticorrosive and anti-fatigue performance, realizes the reinforcing of rolling mill lining plate, extends using the longevity Life, and then milling train production efficiency is improved, reduce entreprise cost.
3rd, the obtained reinforcing more traditional high Cr-containing alloy entirety material of liner plate service life and high Mn alloys entirety material liner plate More than 2 times are improved, while has saved precious metal.
Brief description of the drawings
Fig. 1 is the schematic front view for treating laser melting coating liner plate.
Fig. 2 is Fig. 1 side elevational cross-section schematic diagram.
Fig. 3 is that the main view of combined lining board after laser melting coating of the present invention is strengthened cuts open schematic diagram.
In figure:1- liner plates working face, 2- alloy enhanced layers.
Embodiment
Embodiment 1
As shown in figure 1, being processed to 45 steel boards by liner plate drawing, the working surface of liner plate contact movement part is pressed Size reduces 1mm and continues to process, and after machining, the impurity such as degrease, and dries;Alloyage powder, the alloy powder Chemical composition mass percent be:C 0.1%, Si 1.0%, Cr 14%, Co 1.6%, Mn 1.2%, surplus Fe, powder The granularity at end is 125~325 mesh;Above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, is well mixed;By what is processed Identical size liner plate combination of two, consolidate by way of two pieces of liner plate non-working surfaces are in contact by the counter sink on liner plate with bolt It is scheduled on together (as depicted in figs. 1 and 2);The fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensures laser Counter sink and bolt are not destroyed during cladding alloy powder;Fix two pieces of combined lining boards are placed on high-power semiconductor laser On machining tool, using preset powdering mode, alloy powder is uniformly laid on the working face 1 of one of liner plate, bisque is thick Spend for 2.5mm;The high-energy light beam exported using high power semiconductor lasers, scans preset alloy powder, semiconductor swashs Light device power P=3000W, 2 × 14mm of rectangular light spot, overlapping rate 30%, scan velocity V=300mm/min so that alloy powder Quick metallurgical reaction occurs with liner plate substrate surface metal, uniform 1.5mm thickness alloy wear-resisting layer is obtained in liner plate working surface; By combinations thereof liner plate turn-over, another piece of working face repeats the above steps in two pieces of combined lining boards, also in its working surface Obtain uniform 1.5mm thickness alloy enhanced layer 2 (as shown in Figure 3);Two pieces of combined lining boards after cladding are split, then pass through flat stone mill Bed is finished, stock removal 0.5mm, is formed 1mm thickness alloy enhanced layers in liner plate working surface, is obtained size and surface light Cleanliness meets the milling train liner plate of drawing requirement.
Embodiment 2
45 steel boards are processed by liner plate drawing, the working surface of liner plate contact movement part is reduced by size 1mm continues to process, and after machining, the impurity such as degrease, and dries;Alloyage powder, the alloy powder chemistry into Point mass percent is:C 0.13%, Si 1.5%, Cr 16%, Co 1.7%, Mn 1.6%, surplus Fe, the grain of powder Spend for 125~325 mesh;Above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, is well mixed;The identical chi that will be processed Very little liner plate combination of two, one is fixed on by way of two pieces of liner plate non-working surfaces are in contact by the counter sink on liner plate with bolt Rise;The fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensure cladding alloy powder when do not destroy it is heavy Head bore and bolt;Fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset paving Powder mode, alloy powder is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;Utilize high-power half The high-energy light beam of conductor laser output, scans preset alloy powder, semiconductor laser power P=3500W, rectangular light 2 × 14mm of spot, overlapping rate 50%, scan velocity V=350mm/min so that alloy powder occurs with liner plate substrate surface metal Quick metallurgical reaction, uniform 1.5mm thickness alloy wear-resisting layer is obtained in liner plate working surface;Combinations thereof liner plate is turned out, Another piece of working face repeats the above steps in two pieces of combined lining boards, also obtains the thick conjunctions of uniform 1.5mm in its working surface Golden strengthening layer;Two pieces of combined lining boards after cladding are split, then are finished by surface grinding machine, stock removal 0.5mm, are being served as a contrast Plate working surface forms 1mm thickness alloy enhanced layers, obtains size and surface smoothness meets the milling train liner plate of drawing requirement.
Embodiment 3:
45 steel boards are processed by liner plate drawing, the working surface of liner plate contact movement part is reduced by size 1mm continues to process, and after machining, the impurity such as degrease, and dries;Alloyage powder, the alloy powder chemistry into Point mass percent is:C 0.12%, Si 1.3%, Cr 16%, Co 1.7%, Mn 1.6%, surplus Fe, the grain of powder Spend for 125~325 mesh;Above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, is well mixed;The identical chi that will be processed Very little liner plate combination of two, one is fixed on by way of two pieces of liner plate non-working surfaces are in contact by the counter sink on liner plate with bolt Rise;The fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensure cladding alloy powder when do not destroy it is heavy Head bore and bolt;Fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset paving Powder mode, alloy powder is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;Utilize high-power half The high-energy light beam of conductor laser output, scans preset alloy powder, semiconductor laser power P=3300W, rectangular light 2 × 14mm of spot, overlapping rate 35%, scan velocity V=320mm/min so that alloy powder occurs with liner plate substrate surface metal Quick metallurgical reaction, uniform 1.5mm thickness alloy wear-resisting layer is obtained in liner plate working surface;Combinations thereof liner plate is turned out, Another piece of working face repeats the above steps in two pieces of combined lining boards, also obtains the thick conjunctions of uniform 1.5mm in its working surface Golden strengthening layer;Two pieces of combined lining boards after cladding are split, then are finished by surface grinding machine, stock removal 0.5mm, are being served as a contrast Plate working surface forms 1mm thickness alloy enhanced layers, obtains size and surface smoothness meets the milling train liner plate of drawing requirement.
Embodiment 4:
45 steel boards are processed by liner plate drawing, the working surface of liner plate contact movement part is reduced by size 1mm continues to process, and after machining, the impurity such as degrease, and dries;Alloyage powder, the alloy powder chemistry into Point mass percent is:C 0.11%, Si 1.4%, Cr 14%, Co 1.7%, Mn 1.6%, surplus Fe, the grain of powder Spend for 125~325 mesh;Above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, is well mixed;The identical chi that will be processed Very little liner plate combination of two, one is fixed on by way of two pieces of liner plate non-working surfaces are in contact by the counter sink on liner plate with bolt Rise;The fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensure cladding alloy powder when do not destroy it is heavy Head bore and bolt;Fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset paving Powder mode, alloy powder is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;Utilize high-power half The high-energy light beam of conductor laser output, scans preset alloy powder, semiconductor laser power P=3200W, rectangular light 2 × 14mm of spot, overlapping rate 30%, scan velocity V=310mm/min so that alloy powder occurs with liner plate substrate surface metal Quick metallurgical reaction, uniform 1.5mm thickness alloy wear-resisting layer is obtained in liner plate working surface;Combinations thereof liner plate is turned out, Another piece of working face repeats the above steps in two pieces of combined lining boards, also obtains the thick conjunctions of uniform 1.5mm in its working surface Golden strengthening layer;Two pieces of combined lining boards after cladding are split, then are finished by surface grinding machine, stock removal 0.5mm, are being served as a contrast Plate working surface forms 1mm thickness alloy enhanced layers, obtains size and surface smoothness meets the milling train liner plate of drawing requirement.
Embodiment 5:
45 steel boards are processed by liner plate drawing, the working surface of liner plate contact movement part is reduced by size 1mm continues to process, and after machining, the impurity such as degrease, and dries;Alloyage powder, the alloy powder chemistry into Point mass percent is:C 0.10%, Si 1.2%, Cr 15%, Co 1.7%, Mn 1.4%, surplus Fe, the grain of powder Spend for 125~325 mesh;Above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, is well mixed;The identical chi that will be processed Very little liner plate combination of two, one is fixed on by way of two pieces of liner plate non-working surfaces are in contact by the counter sink on liner plate with bolt Rise;The fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensure cladding alloy powder when do not destroy it is heavy Head bore and bolt;Fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset paving Powder mode, alloy powder is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;Utilize high-power half The high-energy light beam of conductor laser output, scans preset alloy powder, semiconductor laser power P=3250W, rectangular light 2 × 14mm of spot, overlapping rate 40%, scan velocity V=320mm/min so that alloy powder occurs with liner plate substrate surface metal Quick metallurgical reaction, uniform 1.5mm thickness alloy wear-resisting layer is obtained in liner plate working surface;Combinations thereof liner plate is turned out, Another piece of working face repeats the above steps in two pieces of combined lining boards, also obtains the thick conjunctions of uniform 1.5mm in its working surface Golden strengthening layer;Two pieces of combined lining boards after cladding are split, then are finished by surface grinding machine, stock removal 0.5mm, are being served as a contrast Plate working surface forms 1mm thickness alloy enhanced layers, obtains size and surface smoothness meets the milling train liner plate of drawing requirement.
Embodiment 6:
45 steel boards are processed by liner plate drawing, the working surface of liner plate contact movement part is reduced by size 1mm continues to process, and after machining, the impurity such as degrease, and dries;Alloyage powder, the alloy powder chemistry into Point mass percent is:C 0.12%, Si 1.2%, Cr 14%, Co 1.6%, Mn 1.4%, surplus Fe, the grain of powder Spend for 125~325 mesh;Above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, is well mixed;The identical chi that will be processed Very little liner plate combination of two, one is fixed on by way of two pieces of liner plate non-working surfaces are in contact by the counter sink on liner plate with bolt Rise;The fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensure cladding alloy powder when do not destroy it is heavy Head bore and bolt;Fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset paving Powder mode, alloy powder is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;Utilize high-power half The high-energy light beam of conductor laser output, scans preset alloy powder, semiconductor laser power P=3400W, rectangular light 2 × 14mm of spot, overlapping rate 30%, scan velocity V=340mm/min so that alloy powder occurs with liner plate substrate surface metal Quick metallurgical reaction, uniform 1.5mm thickness alloy wear-resisting layer is obtained in liner plate working surface;Combinations thereof liner plate is turned out, Another piece of working face repeats the above steps in two pieces of combined lining boards, also obtains the thick conjunctions of uniform 1.5mm in its working surface Golden strengthening layer;Two pieces of combined lining boards after cladding are split, then are finished by surface grinding machine, stock removal 0.5mm, are being served as a contrast Plate working surface forms 1mm thickness alloy enhanced layers, obtains size and surface smoothness meets the milling train liner plate of drawing requirement.
Embodiment 7:
45 steel boards are processed by liner plate drawing, the working surface of liner plate contact movement part is reduced by size 1mm continues to process, and after machining, the impurity such as degrease, and dries;Alloyage powder, the alloy powder chemistry into Point mass percent is:C 0.12%, Si 1.4%, Cr 15%, Co 1.6%, Mn 1.4%, surplus Fe, the grain of powder Spend for 125~325 mesh;Above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, is well mixed;The identical chi that will be processed Very little liner plate combination of two, one is fixed on by way of two pieces of liner plate non-working surfaces are in contact by the counter sink on liner plate with bolt Rise;The fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensure cladding alloy powder when do not destroy it is heavy Head bore and bolt;Fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset paving Powder mode, alloy powder is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;Utilize high-power half The high-energy light beam of conductor laser output, scans preset alloy powder, semiconductor laser power P=3450W, rectangular light 2 × 14mm of spot, overlapping rate 50%, scan velocity V=330mm/min so that alloy powder occurs with liner plate substrate surface metal Quick metallurgical reaction, uniform 1.5mm thickness alloy wear-resisting layer is obtained in liner plate working surface;Combinations thereof liner plate is turned out, Another piece of working face repeats the above steps in two pieces of combined lining boards, also obtains the thick conjunctions of uniform 1.5mm in its working surface Golden strengthening layer;Two pieces of combined lining boards after cladding are split, then are finished by surface grinding machine, stock removal 0.5mm, are being served as a contrast Plate working surface forms 1mm thickness alloy enhanced layers, obtains size and surface smoothness meets the milling train liner plate of drawing requirement.
Embodiment 8:
45 steel boards are processed by liner plate drawing, the working surface of liner plate contact movement part is reduced by size 1mm continues to process, and after machining, the impurity such as degrease, and dries;Alloyage powder, the alloy powder chemistry into Point mass percent is:C 0.13%, Si 1.5%, Cr 16%, Co 1.7%, Mn 1.2%, surplus Fe, the grain of powder Spend for 125~325 mesh;Above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, is well mixed;The identical chi that will be processed Very little liner plate combination of two, one is fixed on by way of two pieces of liner plate non-working surfaces are in contact by the counter sink on liner plate with bolt Rise;The fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensure cladding alloy powder when do not destroy it is heavy Head bore and bolt;Fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset paving Powder mode, alloy powder is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;Utilize high-power half The high-energy light beam of conductor laser output, scans preset alloy powder, semiconductor laser power P=3150W, rectangular light 2 × 14mm of spot, overlapping rate 35%, scan velocity V=300mm/min so that alloy powder occurs with liner plate substrate surface metal Quick metallurgical reaction, uniform 1.5mm thickness alloy wear-resisting layer is obtained in liner plate working surface;Combinations thereof liner plate is turned out, Another piece of working face repeats the above steps in two pieces of combined lining boards, also obtains the thick conjunctions of uniform 1.5mm in its working surface Golden strengthening layer;Two pieces of combined lining boards after cladding are split, then are finished by surface grinding machine, stock removal 0.5mm, are being served as a contrast Plate working surface forms 1mm thickness alloy enhanced layers, obtains size and surface smoothness meets the milling train liner plate of drawing requirement.

Claims (1)

  1. A kind of 1. preparation method of milling train liner plate, it is characterised in that:
    (1) 45 steel boards are processed by liner plate drawing, 1mm is reduced by size to the working surface of liner plate contact movement part Continue to process, after machining, the impurity such as degrease, and dries;
    (2) alloyage powder, the chemical composition mass percent of the alloy powder are:C 0.1~0.13%, Si 1.0~ 1.5%th, Cr 14~16%, Co 1.6~1.7%, Mn 1.2~1.6%, surplus Fe, the granularity of powder is 125~325 Mesh;
    (3) above-mentioned alloy powder is mixed 3 hours with three-dimensional meal mixer, be well mixed;
    (4) the identical size liner plate combination of two that will be processed, by the counter sink bolt on liner plate by two pieces of non-works of liner plate The mode being in contact as face is fixed together;
    (5) the fast dry powder become reconciled is filled in the counter sink for install bolt, is dried, ensures not break during cladding alloy powder Bad counter sink and bolt;
    (6) fix two pieces of combined lining boards are placed on high-power semiconductor laser machining tool, using preset powdering side Formula, alloy powder is uniformly laid on to the working surface of one of liner plate, powder layer thickness 2.5mm;
    (7) using the high-energy light beam of high power semiconductor lasers output, preset alloy powder, semiconductor laser are scanned Power P=3000~3500W, 2 × 14mm of rectangular light spot, overlapping rate 30~50%, scan velocity V=300~350mm/min, So that with liner plate substrate surface metal quick metallurgical reaction occurs for alloy powder, uniform 1.5mm is obtained in liner plate working surface Thick alloy wear-resisting layer;
    (8) combinations thereof liner plate is turned out, repeat step (6) and (7) on another piece of working face in two pieces of combined lining boards, Also uniform 1.5mm thickness alloy wear-resisting layer is obtained in its working surface;
    (9) two pieces of combined lining boards after cladding are split, then are finished by surface grinding machine, stock removal 0.5mm, obtain chi Very little and surface smoothness meets the milling train liner plate of drawing requirement.
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CN109569799A (en) * 2018-07-25 2019-04-05 沈阳精合数控科技开发有限公司 A kind of wear-resisting Vertical Mill liner plate and increasing material manufacturing method
CN110284135A (en) * 2019-07-30 2019-09-27 燕山大学 A kind of combination intensifying tripper turnover panel and preparation method thereof

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CN110330987B (en) * 2019-07-19 2020-10-02 燕山大学 Laser alloying coke dry quenching lining plate and preparation method thereof
CN110219001B (en) * 2019-07-19 2020-09-15 燕山大学 Laser alloying rolling mill lining plate and preparation method thereof

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CN102703896A (en) * 2012-06-07 2012-10-03 安阳市飞龙冶金设备制造有限公司 Production technology for smelting and cladding alloy reinforced wear-resisting sliding plate
CN106591831A (en) * 2016-12-29 2017-04-26 沈阳大陆激光工程技术有限公司 Self-lubricating wear-resisting coating for laser manufacturing hot rolled strip curling front guide ruler liner plate

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Publication number Priority date Publication date Assignee Title
CN102002709A (en) * 2010-12-23 2011-04-06 广州有色金属研究院 Laser surface cladding method of rolling mill sliding plate
CN102703896A (en) * 2012-06-07 2012-10-03 安阳市飞龙冶金设备制造有限公司 Production technology for smelting and cladding alloy reinforced wear-resisting sliding plate
CN106591831A (en) * 2016-12-29 2017-04-26 沈阳大陆激光工程技术有限公司 Self-lubricating wear-resisting coating for laser manufacturing hot rolled strip curling front guide ruler liner plate

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CN109569799A (en) * 2018-07-25 2019-04-05 沈阳精合数控科技开发有限公司 A kind of wear-resisting Vertical Mill liner plate and increasing material manufacturing method
CN110284135A (en) * 2019-07-30 2019-09-27 燕山大学 A kind of combination intensifying tripper turnover panel and preparation method thereof
CN110284135B (en) * 2019-07-30 2020-06-19 燕山大学 Combined type reinforced distributor turning plate and preparation method thereof

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