CN108067716A - It is a kind of to roll the method for spray-welding for scooping wall and/or crushing wall applied to gyratory crusher - Google Patents
It is a kind of to roll the method for spray-welding for scooping wall and/or crushing wall applied to gyratory crusher Download PDFInfo
- Publication number
- CN108067716A CN108067716A CN201711158039.6A CN201711158039A CN108067716A CN 108067716 A CN108067716 A CN 108067716A CN 201711158039 A CN201711158039 A CN 201711158039A CN 108067716 A CN108067716 A CN 108067716A
- Authority
- CN
- China
- Prior art keywords
- wall
- welding
- transition zone
- spray
- crushing
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K10/00—Welding or cutting by means of a plasma
- B23K10/02—Plasma welding
- B23K10/027—Welding for purposes other than joining, e.g. build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
- B23K35/308—Fe as the principal constituent with Cr as next major constituent
- B23K35/3086—Fe as the principal constituent with Cr as next major constituent containing Ni or Mn
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention provides a kind of rolled applied to gyratory crusher to scoop the method for spray-welding of wall and/or crushing wall, including step：Wall is scooped and/or crushing wall is pre-processed to rolling for gyratory crusher；By plasma spraying welding equipment, the outside surfacing transition zone powder of the inside for scooping wall and/or crushing wall is being rolled, is forming transition zone；By plasma spraying welding equipment, in the surface spraying weld hardened layer powder of transition zone, hardened layer is formed；Wall is scooped to rolling and/or crushing wall carries out tempering heat preservation.The present invention is rolling the outside surfacing transition zone and hardened layer of the inside for scooping wall and/or crushing wall, it is good with reference to power, the toughness and wearability for rolling and scooping wall and crushing wall are improved, the bump of ore can be resisted for a long time, squeeze the stabilization crushing efficiency for without peeling off, improving gyratory crusher；In addition, being pre-processed before surfacing, tempering heat preservation is carried out after surfacing, reduces layer crackle and residual stress.Meanwhile using plasma spraying welding equipment surfacing, heat is concentrated, and dilution rate is low.
Description
Technical field
The present invention relates to rock breaking device technical fields, and in particular to one kind rolled applied to gyratory crusher scoop wall with/
Or the method for spray-welding of crushing wall.
Background technology
One of capital equipment that gyratory crusher is crushed as material is widely used in the industries such as metallurgy, mine.Circle
Conic crusher during the work time, changes, constantly pinch shock ore, reaches by the spacing between crushing wall and rolled mortar wall
Broken purpose.
Mortar crushing wall wearability is rolled to improve gyratory crusher at present, uses the side of surface inserting hard alloy more both at home and abroad
Formula partly carries out surface peening using the mode of laser quenching.For example, foreign patent《US005516053A》One kind is described to exist
The method of lining plate of cone crusher surface overlaying metallic hardened layer, the main component of welding electrode is chromium carbide in the patent, separately
WC particle is incorporated in molten bath by tubulose feed appliance in the welding process outside, forms metallic hardened layer.
But there are following defects in the method for spray-welding of gyratory crusher for above application：One) heap welding arc temperature is not concentrated, and base material is dilute
It is larger to release rate；2) individual layer layer takes into account toughness and wearability without transition, difficulty, easily comes off when being subject to continuously extruded；3)
Tubulose feeder blows WC particle hard phase into molten bath and is unevenly distributed, and layer internal soundness is relatively low.
The content of the invention
(1) technical problems to be solved
The object of the present invention is to provide a kind of rolled applied to gyratory crusher to scoop the method for spray-welding of wall and/or crushing wall, with
Solve that base material dilution rate in existing spray welding technology is larger, and layer quality conformance is poor, and difficulty takes into account toughness and wear-resisting
Property, the problem of easily coming off when being subject to continuously extruded, improve the stabilization crushing efficiency of gyratory crusher.
(2) technical solution
It is rolled in order to solve the above technical problem, the present invention provides one kind applied to gyratory crusher and scoops wall and/or crushing wall
Method for spray-welding, specifically include following steps：
S1, wall is scooped and/or crushing wall is pre-processed to rolling for the gyratory crusher；
S2, by plasma spraying welding equipment, the outside surfacing transition zone powder in the inside and/or crushing wall rolled and scoop wall
End forms transition zone；
S3, by plasma spraying welding equipment, in the surface spraying weld hardened layer powder of the transition zone, form hardened layer；
S4, wall is scooped and/or crushing wall carries out tempering heat preservation to described roll.
Wherein, described pre-process is specially：By the way of polishing or sandblasting, rolled described in removing the inside that scoops wall and/or
The surface defect in the outside of crushing wall.
Wherein, the pretreatment further includes, and described roll is scooped wall and/or crushing wall is preheated to 200 DEG C~300 DEG C.
Wherein, the transition zone is made of multi-turn welding bead, and the central axis of the welding bead scoops wall or broken with described roll
The central axis of wall overlaps.
Wherein, the welding bead includes multiple welding bead sections.
Wherein, the transition zone powder and hardened layer powder are alloy powder.
Wherein, the transition zone powder specifically includes Cr, Si, B, C, Mn, Ni and Fe, described Cr, Si, B, C, Mn, Ni and
The mass percent of Fe is 10~20%：0.5~1%：0.5~1%：0.1~0.3%：0~7%：0~2%：88.9~
68.7%.
Wherein, the hardened layer powder specifically includes Cr, Si, B, C, W and Fe, the quality of described Cr, Si, B, C, W and Fe
Percentage is 10~40%：1~2%：1~2%：0.3~0.6%：5~8%:82.7~47.4%.
Wherein, the thickness of the transition zone is 2~4mm；The thickness of the hardened layer is 3~6mm.
(3) advantageous effect
Compared with prior art, the invention has the advantages that：
Present invention offer is a kind of to roll the method for spray-welding for scooping wall and/or crushing wall applied to gyratory crusher, and wall is scooped rolling
Inside and/or the outside surfacing transition zone and hardened layer of crushing wall, defect is few, good with reference to power, and raising, which is rolled, scoops wall and crushing wall
Toughness and wearability, can resist for a long time ore bump, squeeze without peel off, improve gyratory crusher
Stabilization crushing efficiency；On the other hand, by scooping wall and/or crushing wall pre-processes to rolling, tempering heat preservation is carried out after surfacing,
Reduce layer crackle and residual stress to greatest extent.Meanwhile utilize plasma spraying welding equipment surfacing transition zone and hardened layer, heat
In quantity set, dilution rate is low.
Description of the drawings
It, below will be to embodiment or existing in order to illustrate more clearly of the embodiment of the present disclosure or technical solution of the prior art
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some disclosed embodiments, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these figures.
Fig. 1 is a kind of flow chart that the method for spray-welding for scooping wall and/or crushing wall is rolled applied to gyratory crusher of the present invention；
Fig. 2 rolls the structure diagram for scooping wall and crushing wall for a kind of gyratory crusher of the present invention；
Fig. 3 is a kind of structure diagram of the welding bead of gyratory crusher transition zone of the present invention；
Reference sign
1- rolled mortar walls；2- crushing walls；3- transition zones；4- hardened layers；5- welding beads.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Following instance
For illustrating the present invention, but it is not limited to the scope of the present invention.
In the description of the present invention, it is necessary to explanation, unless otherwise indicated, " multiple " be meant that two or two with
On；The orientation of the instructions such as term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody "
Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, and
It is not instruction or implies signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for description purpose, and cannot
It is interpreted as indicating or implying relative importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As shown in Figure 1, scoop the spray of wall and/or crushing wall for a kind of rolled applied to gyratory crusher provided in this embodiment
Soldering method specifically includes following steps：
S1, wall is scooped and/or crushing wall is pre-processed to rolling for gyratory crusher；
Wherein, pretreatment is specially：By the way of polishing or sandblasting, remove and roll the inside for scooping wall and/or crushing wall
The surface defect in outside, such as the oxide skin of substrate surface.
Further, pretreatment further includes, and will roll and scoops wall and/or crushing wall is preheated to 200 DEG C~300 DEG C.
S2, by plasma spraying welding equipment, rolling the outside surfacing transition zone powder of the inside for scooping wall and/or crushing wall,
Form transition zone；
Clean the rolling of removing surface is scooped into wall and/or crushing wall blank is fixed on rotary tooling, using plasma spray
Equipment surfacing transition zone powder forms transition zone.Spray welding process parameter is：Operating current：210A, amplitude of fluctuation：12mm, frock
Linear velocity：100mm/min.By the use of argon gas as ionization, protection and powder feeding gas, plasma gas flow rate 5L/min protects gas
Flow 7L/min, powder feeding flow 2kg/h.
As shown in Figure 2,3, transition zone is made of multi-turn welding bead, and the central axis of welding bead is scooped with rolling in wall or crushing wall
Mandrel line overlaps.Wherein, welding bead includes multiple welding bead sections；Further, the clearance dislocation distribution between adjacent welding bead section.This reality
It applies in example, is divided into 8 sections per lap welding road, is dislocatedly distributed per the intersegmental gap between 5mm, adjacent welding bead section in 10 °, two is adjacent
Lap welding road interval 10mm.Transition zone is by the way of interval weldering and segmentation weldering in the present embodiment, reduce cracking and rolled mortar wall and
The thermal stress of crushing wall and deformation.
Further, the thickness of transition zone is 2~4mm；Preferably, in the present embodiment, the thickness of transition zone is 3mm, i.e.,
It is 3mm often to enclose bead thickness.
S3, by plasma spraying welding equipment, in the surface spraying weld hardened layer powder of transition zone, form hardened layer；
Surfacing hardened layer powder is carried out on transition zone using plasma spraying welding equipment, forms hardened layer.Spray welding process is joined
Number is：Operating current：220A, amplitude of fluctuation：12mm, frock linear velocity：100mm/min.By the use of argon gas as ionization, protect
With powder feeding gas, plasma gas flow rate 5L/min, protection air-flow amount 7L/min, powder feeding flow 2.7kg/h.
Further, the thickness of hardened layer is 3~6mm.Preferably, in the present embodiment, thin hardened layer 4mm.
S4, wall is scooped and/or crushing wall carries out tempering heat preservation to rolling.
Scoop wall and/or crushing wall is heated to 350 DEG C of tempering specifically, will roll, and keep the temperature 6 it is small when, reduce crushing wall welding
The residual stress generated in the process.
Further, transition zone powder and hardened layer powder are alloy powder, and granularity is 80~300 mesh.Wherein,
Transition zone powder specifically includes Cr, Si, B, C, Mn, Ni and Fe, the mass percent of Cr, Si, B, C, Mn, Ni and Fe for 10~
20%：0.5~1%：0.5~1%：0.1~0.3%：0~7%：0~2%：88.9~68.7%.Hardened layer powder specifically wraps
Cr, Si, B, C, W and Fe are included, the mass percent of Cr, Si, B, C, W and Fe are 10~40%：1~2%：1~2%：0.3~
0.6%：5~8%:82.7~47.4%.In the present embodiment, transition zone powdered ingredients are：Cr：12.85%th, Si：0.9%th, C：
0.4%th, B：0.5%, Ni：2%, remaining is Fe.Hardened layer powdered ingredients are：Cr：12.85%th, Si：2%th, C：0.6%th, B：
1.5%, Ni：2%, W：8%, remaining Fe.
The present embodiment provides a kind of rolled applied to gyratory crusher to scoop the method for spray-welding of wall and/or crushing wall, and wall is scooped rolling
Inside and/or the outside surfacing transition zone of crushing wall its defect is few with hardened layer, good with reference to power, raising, which is rolled, scoops wall and crushing wall
Toughness and wearability, can resist for a long time ore bump, squeeze without peel off, improve gyratory crusher
Stabilization crushing efficiency；On the other hand, by scooping wall and/or crushing wall pre-processes to rolling, tempering heat preservation is carried out after surfacing,
Reduce layer crackle and residual stress to greatest extent.In addition, utilize plasma spraying welding equipment surfacing transition zone and hardened layer, heat
In quantity set, dilution rate is low, and increases the composition adjustment scope of transition zone powder and hardened layer powder, significantly improve rolled mortar wall and
The anti-extrusion and anti-grinding capacity of crushing wall.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of roll the method for spray-welding for scooping wall and/or crushing wall applied to gyratory crusher, which is characterized in that specifically includes following
Step：
S1, wall is scooped and/or crushing wall is pre-processed to rolling for the gyratory crusher；
S2, by plasma spraying welding equipment, the outside surfacing transition zone powder in the inside and/or crushing wall rolled and scoop wall,
Form transition zone；
S3, by plasma spraying welding equipment, in the surface spraying weld hardened layer powder of the transition zone, form hardened layer；
S4, wall is scooped and/or crushing wall carries out tempering heat preservation to described roll.
2. method for spray-welding according to claim 1, which is characterized in that the pretreatment is specially：Using polishing or sandblasting
Mode, the surface defect in the inside for scooping wall and/or the outside of crushing wall is rolled described in removing.
3. method for spray-welding according to claim 2, which is characterized in that the pretreatment further includes, by it is described roll scoop wall and/
Or crushing wall is preheated to 200 DEG C~300 DEG C.
4. method for spray-welding according to claim 1, which is characterized in that the transition zone is made of multi-turn welding bead, and described
The central axis of welding bead scoops the central axis of wall or crushing wall and overlaps with described roll.
5. method for spray-welding according to claim 4, which is characterized in that the welding bead includes multiple welding bead sections.
6. method for spray-welding according to claim 1, which is characterized in that the transition zone powder and hardened layer powder are to close
Bronze end.
7. method for spray-welding according to claim 6, which is characterized in that the transition zone powder specifically include Cr, Si, B, C,
Mn, Ni and Fe, the mass percent of described Cr, Si, B, C, Mn, Ni and Fe are 10~20%：0.5~1%：0.5~1%：0.1
~0.3%：0~7%：0~2%：88.9~68.7%.
8. method for spray-welding according to claim 6, which is characterized in that the hardened layer powder specifically include Cr, Si, B, C,
The mass percent of W and Fe, described Cr, Si, B, C, W and Fe are 10~40%：1~2%：1~2%：0.3~0.6%：5~
8%:82.7~47.4%.
9. method for spray-welding according to claim 1, which is characterized in that the thickness of the transition zone is 2~4mm；It is described hard
The thickness for changing layer is 3~6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158039.6A CN108067716A (en) | 2017-11-20 | 2017-11-20 | It is a kind of to roll the method for spray-welding for scooping wall and/or crushing wall applied to gyratory crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158039.6A CN108067716A (en) | 2017-11-20 | 2017-11-20 | It is a kind of to roll the method for spray-welding for scooping wall and/or crushing wall applied to gyratory crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108067716A true CN108067716A (en) | 2018-05-25 |
Family
ID=62157434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711158039.6A Pending CN108067716A (en) | 2017-11-20 | 2017-11-20 | It is a kind of to roll the method for spray-welding for scooping wall and/or crushing wall applied to gyratory crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108067716A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1039809A (en) * | 1963-09-26 | 1966-08-24 | Deutsche Edelstahlwerke Ag | Improvements in and relating to the plasma spraying and welding of metals |
| CN102218857A (en) * | 2011-05-27 | 2011-10-19 | 合肥金四达科技有限公司 | Composite material coated with SiC-Fe based alloy layer and preparation method of composite material |
| CN102489360A (en) * | 2011-12-05 | 2012-06-13 | 于风福 | Comb-tooth-type crusher hammer |
| CN106975830A (en) * | 2017-05-23 | 2017-07-25 | 东方电气集团东方汽轮机有限公司 | A kind of valve disc multiple location plasma spray stellite process |
-
2017
- 2017-11-20 CN CN201711158039.6A patent/CN108067716A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1039809A (en) * | 1963-09-26 | 1966-08-24 | Deutsche Edelstahlwerke Ag | Improvements in and relating to the plasma spraying and welding of metals |
| CN102218857A (en) * | 2011-05-27 | 2011-10-19 | 合肥金四达科技有限公司 | Composite material coated with SiC-Fe based alloy layer and preparation method of composite material |
| CN102489360A (en) * | 2011-12-05 | 2012-06-13 | 于风福 | Comb-tooth-type crusher hammer |
| CN106975830A (en) * | 2017-05-23 | 2017-07-25 | 东方电气集团东方汽轮机有限公司 | A kind of valve disc multiple location plasma spray stellite process |
Non-Patent Citations (4)
| Title |
|---|
| 万殿茂等: "等离子喷焊超厚耐磨涂层在立轴冲击破碎机上的应用", 《矿山机械》 * |
| 吴智德: "《五金实用手册（第二版）》", 31 March 2005 * |
| 鲍崇高: "《先进抗磨材料》", 31 October 2010, 西安交通大学出版社 * |
| 鲍明远等: "《氧乙炔火焰粉末喷涂和喷焊技术》", 31 December 1993, 机械工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Buchanan et al. | A comparison of the abrasive wear behaviour of iron-chromium based hardfaced coatings deposited by SMAW and electric arc spraying | |
| CN102337536B (en) | Preparation technology for in-situ synthesis tungsten carbide particle reinforced composite wear-resisting layer on metal plate surface layer | |
| US5375759A (en) | Alloy coated metal base substrates, such as coated ferrous metal plates | |
| CN102453910B (en) | Roller surface laser strengthened coating powder material of roller type crusher | |
| JP2017520389A (en) | Wear-resistant parts and devices for mechanical disassembly of materials provided with such parts | |
| EP3148703B1 (en) | Thermal spray assembly and method | |
| EP3149218A1 (en) | Method of coating a body, granules for the method and method of making granules | |
| CN105127205B (en) | Large-scale bushing roll for producing strip and preparation method thereof | |
| CN105229201A (en) | There is the outer field cast iron member processed again of steel | |
| CN111644780B (en) | Self-protection flux-cored wire for generating slag coating with special protection performance and preparation method | |
| CN102277552A (en) | Metal surface treatment method employing arc-plasma spraying-laser remelting | |
| EP2411216B1 (en) | Coating of fatigue corrosion cracked metallic tubes | |
| CN111315906A (en) | Piercing-rolling machine plug and manufacturing method thereof | |
| CN108698169A (en) | Surface treatment method, surface treated or the metal parts through resurfacing | |
| CN104278269A (en) | Preparation method for surface-reinforcing coating of copper crystallizer | |
| Vimalraj et al. | Effect of nanomaterial addition using GMAW and GTAW processes | |
| CN106475744B (en) | The bead-welding technology of abrasive roller | |
| Wang et al. | A novel particle planting process based on electrospark deposition | |
| CN108067716A (en) | It is a kind of to roll the method for spray-welding for scooping wall and/or crushing wall applied to gyratory crusher | |
| JP2002361482A (en) | Material for build-up welding having excellent corrosion resistance, wear resistance and seizure resistance and composite tool | |
| CN102785003B (en) | Method for overlaying iron-based surface composite material | |
| CN106956093A (en) | Coal-grinding roller built-up welding, flux cored wire used for submerged arc welding and its welding procedure | |
| JP6227809B2 (en) | Thermal spray assembly | |
| KR100917049B1 (en) | The method of forming a metal layer of high-hardness and anti-abrasion using waste-tungsten alloy powder | |
| EP2414106B1 (en) | Chromium-free metallic coating, method of forming thereof and composite wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 410600 No. 068 Jinsha West Road, Jinzhou new district, Hunan, Changsha Applicant after: Hunan Huamin Holding Group Co., Ltd Address before: No. 68 jinshaw Road, Jinzhou new area, Ningxiang, Hunan, Changsha City, Hunan Applicant before: HUNAN HONGYU WEAR RESISTANT NEW MATERIALS Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180525 |
|
| RJ01 | Rejection of invention patent application after publication |