CN106475661A - A kind of bead-welding technology of wear-resisting millstone sheet - Google Patents

A kind of bead-welding technology of wear-resisting millstone sheet Download PDF

Info

Publication number
CN106475661A
CN106475661A CN201610977718.5A CN201610977718A CN106475661A CN 106475661 A CN106475661 A CN 106475661A CN 201610977718 A CN201610977718 A CN 201610977718A CN 106475661 A CN106475661 A CN 106475661A
Authority
CN
China
Prior art keywords
welding
mill
bead
millstone sheet
resisting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610977718.5A
Other languages
Chinese (zh)
Other versions
CN106475661B (en
Inventor
李军
杨高基
张涛
门永卿
景超
宋俊义
张燕强
何成善
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Western Heavy Industry Co Ltd Of Gansu Jiuquan Iron & Steel Group
Original Assignee
Western Heavy Industry Co Ltd Of Gansu Jiuquan Iron & Steel Group
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Heavy Industry Co Ltd Of Gansu Jiuquan Iron & Steel Group filed Critical Western Heavy Industry Co Ltd Of Gansu Jiuquan Iron & Steel Group
Priority to CN201610977718.5A priority Critical patent/CN106475661B/en
Publication of CN106475661A publication Critical patent/CN106475661A/en
Application granted granted Critical
Publication of CN106475661B publication Critical patent/CN106475661B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/04Welding for other purposes than joining, e.g. built-up welding
    • B23K9/044Built-up welding on three-dimensional surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0255Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
    • B23K35/0261Rods, electrodes, wires
    • B23K35/0272Rods, electrodes, wires with more than one layer of coating or sheathing material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/30Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3053Fe as the principal constituent
    • B23K35/308Fe as the principal constituent with Cr as next major constituent
    • B23K35/3086Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/3601Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest with inorganic compounds as principal constituents
    • B23K35/3602Carbonates, basic oxides or hydroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/36Selection of non-metallic compositions, e.g. coatings, fluxes; Selection of soldering or welding materials, conjoint with selection of non-metallic compositions, both selections being of interest
    • B23K35/365Selection of non-metallic compositions of coating materials either alone or conjoint with selection of soldering or welding materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00Arc welding or cutting
    • B23K9/235Preliminary treatment

Abstract

The present invention relates to a kind of bead-welding technology of wear-resisting millstone sheet, this technique comprises the following steps:(1) millstone sheet liner plate layout:Using 4 pieces of millstone sheet liner plate layouts, and by 4 wedge bolt positioning;(2) determine mill sectional dimension;(3) prepare before millstone sheet weldering;(4) mill working lining built-up welding:Control the mill temperature after described process to be not more than 100 DEG C, under normal temperature condition, multiple-bead deposit is carried out to the mill after described process using ceramic wear-resisting surfacing welding;(5) excision forming:Using plasma cutting, according to numbering, mill is cut into monolithic, the burr that splash in cleaning surface and cutting produces, confirm size, enter machining sequence and complete Product processing.Present invention process is simple, easy to implement, and by multiple-bead deposit, built-up welding thickness can reach 32mm and can guarantee that block is not fallen in long-term work under abrasion, impact operating mode.

Description

A kind of bead-welding technology of wear-resisting millstone sheet
Technical field
The present invention relates to hardfacing technical field, the bead-welding technology of more particularly, to a kind of wear-resisting millstone sheet.
Background technology
In coal-grinding pulverized coal preparation system, how to extend the service life of powder manufacturing apparatus consumable accessory, reduce maintenance cost, it has also become The important channel that enterprise increases economic efficiency further., as its main consumable accessory taking coal mill system medium-speed pulverizer as a example Mill, for improving its wearability and impact resistance, millstone sheet material is usually each trade mark cast steel, even if being combined using rich chromium cast iron Millstone sheet, its service life is only also only 8000 ~ 10000 hours.Therefore, abrasive disk life-span relatively low always restriction coal mill system The key factor of energy.
With the application of hard-face overlaying welding technology, each coal-grinding Zhi Fen enterprise has employed the built-up welding based on wear resistance electrode, welding wire Re-manufacturing technology, improves the anti-wear performance of millstone sheet to a certain extent, extends the service life of millstone sheet.But it is existing resistance to Mill technique for overlaying mainly improves deposited metal layer hardness by adding tungsten carbide particle or increase carbon content with other alloys, Generally existing carbon equivalent is high, plasticity is low, impact resistance is low, easily peels off(Fall block)The problems such as.Therefore, existing hardfacing mill Disk watt generally existing deposited metal layer is thin, poor reliability, service life remain unchanged relatively low the problems such as.Additionally, existing rich chromium cast iron Build-up wear-resistant watt, due to built-up welding rich chromium cast iron metal level using being only limitted to effective cross-section on the foundry goods of 100 ~ 140mm.Logical Cross practice operation, be a kind of waste of high performance material for whole wear resistance castings, it not only increases production and operation cost, It is also improper to the utilization of rich chromium cast iron metals resources.
Therefore, in view of the mill material of coal-grinding powder manufacturing apparatus is typically various trade mark potassium steel, the present situation of cast steel, in conjunction with suitable For welding, the potassium steel of the various trade mark of built-up welding, cast steel base material, overlay cladding thickness up to 32mm, surfacing layer metal hardness up to A kind of ceramic wear-resisting surfacing welding of HRC75, based on the double-layer metal wearable millstone sheet of specific bead-welding technology molding innovation, real The existing high life(Service life is 1.8 ~ 2.5 times of rich chromium cast iron millstone sheet)Mill preparation has important practical significance and wide Application prospect.
Content of the invention
The technical problem to be solved is to provide a kind of process is simple, the built-up welding of wear-resisting millstone sheet easy to implement Technique.
For solving the above problems, a kind of bead-welding technology of wear-resisting millstone sheet of the present invention, comprise the following steps:
(1) millstone sheet liner plate layout:Using 4 pieces of millstone sheet liner plate layouts, and by 4 wedge bolt positioning;
(2) mill sectional dimension is determined using following formula:H=h+2%·D+20mm;Wherein:The millstone sheet that H determines for Bead weld repair is high Degree size, unit mm;H is the intrinsic height dimension of millstone sheet that is worn, unit mm;D is grinding roller diameter, unit mm;
(3) prepare before millstone sheet weldering:
1., after the cleaning of mill worn-out work surface, the crackle that mill exists is detected using penetrant inspection method, millstone sheet crackle is polished After smooth, crack depth is detected using ultrasonic examination, if crack depth exceedes the 1/4 of wall thickness, mill is carried out scrapping process; If crack depth is less than the 1/4 of wall thickness, crackle is polished and is carried out repair welding process using J506 welding rod;
2. confirm the every block number of mill, assembling by number is fixed on positioner;
(4) mill working lining built-up welding:The mill temperature after described process is controlled to be not more than 100 DEG C, resistance to using pottery under normal temperature condition Mill surfacing welding carries out multiple-bead deposit to the mill after described process;
(5) excision forming:
Using plasma cutting, according to numbering, mill is cut into monolithic, splash and cut the burr producing in cleaning surface, Confirm size, enter machining sequence and complete Product processing.
(4) middle built-up welding wlding is ceramic wear-resisting surfacing welding to described step, the public footpath of this welding rod is 3.2mm, 4.0mm, 5.0mm, including core wire and coating;The weight coefficient that described coating accounts for welding rod gross weight is 0.40 ~ 0.48;Wherein
On the basis of core wire gross weight, by weight percentage, its chemical composition is described core wire:C 2 ~ 4%, Cr 9 ~ 12%, Mn 1 ~ 2%, Nb 0.1 ~ 0.3%, Mo 0.3 ~ 1%, Ti 0.1 ~ 0.4%, V 0.1 ~ 1%, Si 0.2 ~ 1%, P≤0.03%, S≤ 0.04%, balance of Fe;
On the basis of coating gross weight, by weight percentage, its chemical composition is described coating:Marble 18 ~ 22%, fluorite 15 ~ 20%, Muscovitum+bentonite 20 ~ 26%, rutile+titanium dioxide 12 ~ 15%, ferrotianium 5 ~ 8%, ferromanganese 5 ~ 8%, ferrosilicon 5 ~ 8%, ferrochrome 3 ~ 6%, nickel 1 ~ 3%, rare earth oxide 1 ~ 3%.
(4) middle multiple-bead deposit condition refers to described step:
When the public footpath of welding rod is 3.2mm, its corresponding welding current is 110 ~ 150 amperes to A;When the public footpath of welding rod is 4.0mm When, its corresponding welding current is 160 ~ 200 amperes;When welding rod public footpath be 5.0mm when, its corresponding welding current be 170 ~ 230 amperes;
B voltage range is 20 ~ 28V;
C mill face becomes 15 ° of climbing welding with welding gun, and mill face and tip spacing are 10 ~ 15mm;
D welding bead takes 45% ~ 50%, wide 8 ~ 14 mm of welding bead;
E hardfacing alloy thickness degree a size of 1 ~ 32mm.
The present invention compared with prior art has advantages below:
1st, 12 pieces of millstone sheet liner plate layouts that traditional mill designs are improved to 4 pieces of millstone sheet liner plate layouts by the present invention, increased The weight of monolithic watt simultaneously makes watt to strengthen with the laminating degree of abrasive disk seat, improves the stability of installation.
2nd, in the present invention lining board for grinding discs raceway radian increase and millstone sheet height dimension and raceway radian size improvement The requirements to mill performance for the factor such as the grindability of material bed thickness and material, distribution of particles, water content are taken into full account.
3rd, the ceramic wear-resisting surfacing welding in the present invention contains pottery, titanium, chromium, manganese, molybdenum, vanadium, niobium etc. because of deposited metal, makes Material surfacing layer metal microstructure very fine and smooth, wear-resisting mutually be in uniform close-packed hexagonal structure, define quite stable and Hard carbide is so that surfacing layer metal assumes hardness height(Postwelding initial hardness reaches HRC68, using rear hardness up to HRC75), excellent wear-resisting property, corrosion resistance preferable(Deposited metal contains the elements such as chromium, nickel, so that overlay cladding is possessed certain resistance to Corrosivity)Feature.
4th, do not need to preheat during present invention welding, can AC/DC, welding arc is stable, splash less, de- slag is easy.By many Layer built-up welding, built-up welding thickness can reach 32mm and can guarantee that block is not fallen in long-term work under abrasion, impact operating mode.
5th, present invention process is simple, easy to implement.
Brief description
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail.
Fig. 1 is built-up welding mill sectional dimension figure of the present invention.
Specific embodiment
A kind of bead-welding technology of wear-resisting millstone sheet, comprises the following steps:
(1) millstone sheet liner plate layout:Using 4 pieces of millstone sheet liner plate layouts, and by 4 wedge bolt positioning.
(2) the height dimension in mill section is determined using following formula:H=h+2%·D+20mm(Referring to Fig. 1);Wherein:H is built-up welding Repair the millstone sheet height dimension determining, unit mm;H is the intrinsic height dimension of millstone sheet that is worn, unit mm;D is mill Roller diameter, unit mm;Additionally, R is the raceway curvature half being determined according to worn-out millstone sheet actual size during Bead weld repair in Fig. 1 Footpath size, the millstone sheet hardfacing alloy layer thickness that t determines for Bead weld repair.
(3) prepare before millstone sheet weldering:
1., after the cleaning of mill worn-out work surface, the crackle that mill exists is detected using penetrant inspection method, millstone sheet crackle is polished After smooth, crack depth is detected using ultrasonic examination, if crack depth exceedes the 1/4 of wall thickness, mill is carried out scrapping process; If crack depth is less than the 1/4 of wall thickness, crackle is polished and is carried out repair welding process using J506 welding rod;
2. confirm the every block number of mill, assembling by number is fixed on positioner.
(4) mill working lining built-up welding:Mill temperature after control process is not more than 100 DEG C, resistance to using pottery under normal temperature condition Mill surfacing welding carries out multiple-bead deposit to the mill after processing.
This built-up welding wlding is ceramic wear-resisting surfacing welding, and the public footpath of this welding rod is 3.2mm, 4.0mm, 5.0mm, including core wire And coating;The weight coefficient that coating accounts for welding rod gross weight is 0.40 ~ 0.48;Wherein
On the basis of core wire gross weight, by weight percentage, its chemical composition is core wire:C 2 ~ 4%, Cr 9 ~ 12%, Mn 1 ~ 2%, Nb 0.1 ~ 0.3%, Mo 0.3 ~ 1%, Ti 0.1 ~ 0.4%, V 0.1 ~ 1%, Si 0.2 ~ 1%, P≤0.03%, S≤0.04%, Balance of Fe;
On the basis of coating gross weight, by weight percentage, its chemical composition is coating:Marble 18 ~ 22%, fluorite 15 ~ 20%, Muscovitum+bentonite 20 ~ 26%, rutile+titanium dioxide 12 ~ 15%, ferrotianium 5 ~ 8%, ferromanganese 5 ~ 8%, ferrosilicon 5 ~ 8%, ferrochrome 3 ~ 6%, nickel 1 ~ 3%, rare earth oxide 1 ~ 3%.
The preparation method of this ceramic wear-resisting surfacing welding adopts traditional handicraft, that is,:Core wire polishing is derusted, alignment → medicine is dry mixed Powder → addition waterglass wet mixing → the welding rod of welding rod → dry is twisted on core wire in drying in oven → product inspection using wet-milling Test.
Multiple-bead deposit condition refers to:
When the public footpath of welding rod is 3.2mm, its corresponding welding current is 110 ~ 150 amperes to A;When the public footpath of welding rod is 4.0mm When, its corresponding welding current is 160 ~ 200 amperes;When welding rod public footpath be 5.0mm when, its corresponding welding current be 170 ~ 230 amperes;
B voltage range is 20 ~ 28V;
C mill face becomes 15 ° of climbing welding with welding gun, and mill face and tip spacing are 10 ~ 15mm;
D welding bead takes 45% ~ 50%, wide 8 ~ 14 mm of welding bead;
E hardfacing alloy thickness degree a size of 1 ~ 32mm.
(5) excision forming:
Using plasma cutting, according to numbering, mill is cut into monolithic, splash and cut the burr producing in cleaning surface, Confirm size, enter machining sequence and complete Product processing.
Embodiment 1 welding base material is Jiu Gang HTC cement plant MPF1915 disc roll pulverizer mill(Material is ZG25), described multiple-bead deposit layer be 4 layers, described in the first floor welding rod public affairs footpath be 4.0mm, welding current be 124 amperes, weldingvoltage 24V;Remaining each layer described welding rod public affairs footpath is 5.0mm, and welding current is 180 amperes, weldingvoltage 32V;Wide 10 ~ the 11mm of welding bead, 86 ~ 96 DEG C of weld interpass temperature, the average 22mm of overlay cladding gross thickness.Postwelding hardness reaches HRC68, using inspection hardness after one month Reach HRC75, no fall block.
Embodiment 2 welding base material is Jiu Gang HTC cement plant MPF1713 disc roll pulverizer mill(Material is ZG25), described multiple-bead deposit layer be 4 layers, described in the first floor welding rod public affairs footpath be 3.2mm, welding current be 115 amperes, weldingvoltage 22V;Remaining each layer described welding rod public affairs footpath is 4.0mm, and welding current is 128 amperes, weldingvoltage 26V;Welding bead is wide by 9.5 ~ 10.5mm, 83 ~ 95 DEG C of weld interpass temperature, the average 20mm of overlay cladding gross thickness.Postwelding hardness reaches HRC67, after one month Check that hardness reaches HRC74, no fall block.
In above-described embodiment 1 ~ 2, welding rod is ceramic wear-resisting surfacing welding, including core wire and coating;Coating accounts for welding rod gross weight The weight coefficient of amount is 0.45;Wherein
On the basis of core wire gross weight, by weight percentage, its chemical composition is core wire:C 2.46%, Cr 11.3%, Mn 1.32%, Nb 0.132%, Mo 0.468%, Ti 234%, V 0.264%, Si 0.65%, P 0.021%, S 0.023%, balance of Fe;
On the basis of coating gross weight, by weight percentage, its chemical composition is coating:Marble 20%, fluorite 17%, Muscovitum + bentonite 23%, rutile+titanium dioxide 13%, ferrotianium 7%, ferromanganese 6%, ferrosilicon 6%, ferrochrome 4%, nickel 2%, rare earth oxide 2%.
It should be understood that embodiment discussed here and embodiment simply to illustrate that, person skilled in the art can be proposed Various modifications and variations, such modifications and variations are included within spirit herein spirit and scope and appended claim In the range of.

Claims (3)

1. a kind of bead-welding technology of wear-resisting millstone sheet, comprises the following steps:
(1) millstone sheet liner plate layout:Using 4 pieces of millstone sheet liner plate layouts, and by 4 wedge bolt positioning;
(2) mill sectional dimension is determined using following formula:H=h+2%·D+20mm;Wherein:The millstone sheet that H determines for Bead weld repair is high Degree size, unit mm;H is the intrinsic height dimension of millstone sheet that is worn, unit mm;D is grinding roller diameter, unit mm;
(3) prepare before millstone sheet weldering:
1., after the cleaning of mill worn-out work surface, the crackle that mill exists is detected using penetrant inspection method, millstone sheet crackle is polished After smooth, crack depth is detected using ultrasonic examination, if crack depth exceedes the 1/4 of wall thickness, mill is carried out scrapping process; If crack depth is less than the 1/4 of wall thickness, crackle is polished and is carried out repair welding process using J506 welding rod;
2. confirm the every block number of mill, assembling by number is fixed on positioner;
(4) mill working lining built-up welding:The mill temperature after described process is controlled to be not more than 100 DEG C, resistance to using pottery under normal temperature condition Mill surfacing welding carries out multiple-bead deposit to the mill after described process;
(5) excision forming:
Using plasma cutting, according to numbering, mill is cut into monolithic, splash and cut the burr producing in cleaning surface, Confirm size, enter machining sequence and complete Product processing.
2. as claimed in claim 1 a kind of bead-welding technology of wear-resisting millstone sheet it is characterised in that:The (4) middle built-up welding weldering of described step Material is ceramic wear-resisting surfacing welding, and the public footpath of this welding rod is 3.2mm, 4.0mm, 5.0mm, including core wire and coating;Described coating The weight coefficient accounting for welding rod gross weight is 0.40 ~ 0.48;Wherein
On the basis of core wire gross weight, by weight percentage, its chemical composition is described core wire:C 2 ~ 4%, Cr 9 ~ 12%, Mn 1 ~ 2%, Nb 0.1 ~ 0.3%, Mo 0.3 ~ 1%, Ti 0.1 ~ 0.4%, V 0.1 ~ 1%, Si 0.2 ~ 1%, P≤0.03%, S≤ 0.04%, balance of Fe;
On the basis of coating gross weight, by weight percentage, its chemical composition is described coating:Marble 18 ~ 22%, fluorite 15 ~ 20%, Muscovitum+bentonite 20 ~ 26%, rutile+titanium dioxide 12 ~ 15%, ferrotianium 5 ~ 8%, ferromanganese 5 ~ 8%, ferrosilicon 5 ~ 8%, ferrochrome 3 ~ 6%, nickel 1 ~ 3%, rare earth oxide 1 ~ 3%.
3. as claimed in claim 1 a kind of bead-welding technology of wear-resisting millstone sheet it is characterised in that:Described step (4) middle multilamellar heap Welding rod part refers to:
When the public footpath of welding rod is 3.2mm, its corresponding welding current is 110 ~ 150 amperes to A;When the public footpath of welding rod is 4.0mm When, its corresponding welding current is 160 ~ 200 amperes;When welding rod public footpath be 5.0mm when, its corresponding welding current be 170 ~ 230 amperes;
B voltage range is 20 ~ 28V;
C mill face becomes 15 ° of climbing welding with welding gun, and mill face and tip spacing are 10 ~ 15mm;
D welding bead takes 45% ~ 50%, wide 8 ~ 14 mm of welding bead;
E hardfacing alloy thickness degree a size of 1 ~ 32mm.
CN201610977718.5A 2016-11-08 2016-11-08 A kind of bead-welding technology of wear-resisting millstone sheet Active CN106475661B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610977718.5A CN106475661B (en) 2016-11-08 2016-11-08 A kind of bead-welding technology of wear-resisting millstone sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610977718.5A CN106475661B (en) 2016-11-08 2016-11-08 A kind of bead-welding technology of wear-resisting millstone sheet

Publications (2)

Publication Number Publication Date
CN106475661A true CN106475661A (en) 2017-03-08
CN106475661B CN106475661B (en) 2019-02-19

Family

ID=58271601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610977718.5A Active CN106475661B (en) 2016-11-08 2016-11-08 A kind of bead-welding technology of wear-resisting millstone sheet

Country Status (1)

Country Link
CN (1) CN106475661B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110877170A (en) * 2019-12-04 2020-03-13 河海大学常州校区 Surfacing electrode, preparation method and dredging reamer abrasion repair surfacing method
CN111112964A (en) * 2020-01-08 2020-05-08 长治市三耐铸业有限公司 Arc powder concentrator blade surfacing method

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85100364A (en) * 1985-04-01 1986-09-24 湘潭大学 A kind of alkaline low-hydrogen welding rod
JPH02299711A (en) * 1988-12-06 1990-12-12 Consolidated Metal Services Inc Table regeneration device for vertical type roll mill
CN1517173A (en) * 2003-01-17 2004-08-04 攀枝花钢铁有限责任公司钢铁研究院 Surfacing welding electrode and application
CN2706228Y (en) * 2004-03-11 2005-06-29 贾世文 Super wear resistance milling roller and mill millstone of vertical mill
CN200977461Y (en) * 2006-12-06 2007-11-21 罗久亨 Wheel mill
CN202942931U (en) * 2012-11-06 2013-05-22 北京电力设备总厂 Coal mill and grinding mechanism thereof
CN103567019A (en) * 2013-11-12 2014-02-12 北京新源宝通电力设备有限公司 Gradient grinding type HP (High Power) type coal mill
CN103801431A (en) * 2014-02-19 2014-05-21 北京电力设备总厂 Medium-speed vertical mill for milling petroleum coke
CN203725201U (en) * 2014-02-19 2014-07-23 北京电力设备总厂 Medium-speed vertical mill applied to petroleum coke grinding
CN103949307A (en) * 2014-04-24 2014-07-30 厦门金邦达实业有限责任公司 Mill bowl lining plate of bowl-type medium-speed coal mill
CN203816703U (en) * 2014-04-24 2014-09-10 厦门金邦达实业有限责任公司 Grinding bowl lining plate of bowl-type medium-speed coal mill
CN203955294U (en) * 2014-05-14 2014-11-26 中材(天津)粉体技术装备有限公司 The topology layout in a kind of novel vertical roller abrasive dust mill district
CN204448169U (en) * 2014-12-16 2015-07-08 中国航空技术北京有限公司 Roller-plate coal mill

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85100364A (en) * 1985-04-01 1986-09-24 湘潭大学 A kind of alkaline low-hydrogen welding rod
JPH02299711A (en) * 1988-12-06 1990-12-12 Consolidated Metal Services Inc Table regeneration device for vertical type roll mill
CN1517173A (en) * 2003-01-17 2004-08-04 攀枝花钢铁有限责任公司钢铁研究院 Surfacing welding electrode and application
CN2706228Y (en) * 2004-03-11 2005-06-29 贾世文 Super wear resistance milling roller and mill millstone of vertical mill
CN200977461Y (en) * 2006-12-06 2007-11-21 罗久亨 Wheel mill
CN202942931U (en) * 2012-11-06 2013-05-22 北京电力设备总厂 Coal mill and grinding mechanism thereof
CN103567019A (en) * 2013-11-12 2014-02-12 北京新源宝通电力设备有限公司 Gradient grinding type HP (High Power) type coal mill
CN103801431A (en) * 2014-02-19 2014-05-21 北京电力设备总厂 Medium-speed vertical mill for milling petroleum coke
CN203725201U (en) * 2014-02-19 2014-07-23 北京电力设备总厂 Medium-speed vertical mill applied to petroleum coke grinding
CN103949307A (en) * 2014-04-24 2014-07-30 厦门金邦达实业有限责任公司 Mill bowl lining plate of bowl-type medium-speed coal mill
CN203816703U (en) * 2014-04-24 2014-09-10 厦门金邦达实业有限责任公司 Grinding bowl lining plate of bowl-type medium-speed coal mill
CN203955294U (en) * 2014-05-14 2014-11-26 中材(天津)粉体技术装备有限公司 The topology layout in a kind of novel vertical roller abrasive dust mill district
CN204448169U (en) * 2014-12-16 2015-07-08 中国航空技术北京有限公司 Roller-plate coal mill

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张新生等: "立磨衬板堆焊修复技术", 《中国水泥》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110877170A (en) * 2019-12-04 2020-03-13 河海大学常州校区 Surfacing electrode, preparation method and dredging reamer abrasion repair surfacing method
CN111112964A (en) * 2020-01-08 2020-05-08 长治市三耐铸业有限公司 Arc powder concentrator blade surfacing method

Also Published As

Publication number Publication date
CN106475661B (en) 2019-02-19

Similar Documents

Publication Publication Date Title
Buchanan et al. Microstructure and abrasive wear behaviour of shielded metal arc welding hardfacings used in the sugarcane industry
CN1186167C (en) High hardness high abrasive self protecting pile up welding flux core welding wire
CN101974751B (en) Method for repairing speed reduction gearbox hole
Buchanan et al. A comparison of the abrasive wear behaviour of iron-chromium based hardfaced coatings deposited by SMAW and electric arc spraying
EP0271336A2 (en) Crushing members for crushers
CN101804530B (en) Special flux-cored wire for surfacing repair of BD roller
Pradeep et al. A review paper on hardfacing processes and materials
CN102453901B (en) Method for preparing WC hard alloy wear resistance area on petroleum drill rod surface
CN1207126C (en) Pile-up welding for repairing toothed wheel and shaft of oil-pumping machine
CN102392243B (en) Laser surface cladding method of straightening roller
CN101062533B (en) Abrasion-proof pile-up welding flux-cored wire for roll squeezer
JP2013529250A (en) Hard surface structure and main body including the same
CN102021559B (en) Cobalt-based alloy powder for laser cladding of steam turbine last-stage blade
CN106238709A (en) The manufacture of a kind of grinding roller/remanufacture high-abrasive material and preparation method thereof
US20090019783A1 (en) Wear Resisting Particle and Wear Resisting Structure Member
CN101608546B (en) Processing technology for prolonging service life of guiding slide shoes
CN101664862A (en) Iron-based high-titanium wear-resistant surfacing flux-cored welding wire
CN106661700A (en) Impact resistant hardfacing and alloys and methods for making the same
CN102744532A (en) Iron-based abrasion resisting and reducing surfacing flux-cored wire
CN102974916B (en) HP series grinding roller open arc built-up welding slip-off preventing welding method
CN101670501A (en) Iron-based abrasion resistant overlaying-welding flux-cored wire
CN102337536B (en) Preparation technology for in-situ synthesis tungsten carbide particle reinforced composite wear-resisting layer on metal plate surface layer
AU2007217746B2 (en) Grinding tool with a coating
CN101391352B (en) Flux-cored wire for repair cold-rolling support roll operational layer and preparation method thereof
CN105689923B (en) A kind of hardfacing electrode coating and the welding rod containing the coating

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant