CN105880531A - Outer wall treatment process for carbon sleeve roller core - Google Patents
Outer wall treatment process for carbon sleeve roller core Download PDFInfo
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- CN105880531A CN105880531A CN201610248583.9A CN201610248583A CN105880531A CN 105880531 A CN105880531 A CN 105880531A CN 201610248583 A CN201610248583 A CN 201610248583A CN 105880531 A CN105880531 A CN 105880531A
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- roller
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims description 24
- 238000005516 engineering process Methods 0.000 claims description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 15
- 238000000889 atomisation Methods 0.000 claims description 15
- 239000011253 protective coating Substances 0.000 claims description 13
- 238000005498 polishing Methods 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 239000012459 cleaning agent Substances 0.000 claims description 10
- 238000011049 filling Methods 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 9
- 238000002425 crystallisation Methods 0.000 claims description 8
- 230000008025 crystallization Effects 0.000 claims description 8
- 238000007711 solidification Methods 0.000 claims description 8
- 230000008023 solidification Effects 0.000 claims description 8
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 210000004916 vomit Anatomy 0.000 claims description 5
- 230000008673 vomiting Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000137 annealing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/08—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/37—Single-purpose machines or devices for grinding rolls, e.g. barrel-shaped rolls
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/005—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides comprising a particular metallic binder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
- C22C29/16—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on nitrides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
The invention provides an outer wall treatment process for a carbon sleeve roller core. The outer wall treatment process comprises the steps of carbon sleeve roller core surface pretreatment, outer wall layer material manufacturing and integral forming of an outer wall layer and the carbon sleeve roller core. An integral forming method of the outer wall layer and the carbon sleeve roller core comprises the step that an outer wall layer material and the outer wall of the carbon sleeve roller core are integrally formed according to an anisobaric casting method. According to the outer wall treatment process for the carbon sleeve roller core, the outer wall layer formed on the outer wall of the carbon sleeve roller core has very excellent heat feeding capability, the microstructure looseness of the outer wall layer is significantly reduced, and the structure of the outer wall layer is more compact due to the fact that liquid outer wall layer is solidified and crystallized to be the outer wall layer under the action of pressure difference, so that the mechanical property of the outer wall layer is greatly improved, the using effect of the carbon sleeve roller core is improved advantageously, and the service time is prolonged; and in addition, the outer wall layer is integrally formed through a mold, the manufacturing difficulty is low, the precision is high, and the surface smoothness of the carbon sleeve roller core is ensured.
Description
Technical field
The invention belongs to metallurgical equipment and process technology field, be specifically related to the outer wall processing technology of a kind of carbon set roller roller core.
Background technology
Carbon set roller roller core is when making annealing treatment material, the registration roller after driving material entrance stove interior.Its quality is one of principal element affecting operating rate and product surface quality, and owing to being chronically under the working environment of high temperature or superhigh temperature, therefore the thermostability to it has and there are certain requirements.And existing carbon set roller roller core tissue is the most loose, after carrying out work in hot environment, it is easy to that roll surface oxidation, the phenomenons such as peeling of loosening occur, reduces its Effect on Mechanical Properties normal production operation.
Therefore, developing a kind of technique that can strengthen existing carbon set roller roller core mechanical property is those skilled in the art institute urgent need to solve the problem.
Summary of the invention
For solving the problems referred to above, the invention discloses the outer wall processing technology of a kind of carbon set roller roller core.
In order to achieve the above object, the present invention provides following technical scheme:
The outer wall processing technology of a kind of carbon set roller roller core, step includes: carbon set roller roller core surface preparation, the making of outer wall layer material and outer wall layer are one-body molded with carbon set roller roller core；Outer wall layer and the integral formation method of carbon set roller roller core are that method outer wall layer material and the outer wall talking set roller roller core cast according to anisobaric is one-body molded.
Method particularly includes:
(1) carbon set roller roller core surface preparation:
Dismounting carbon set roller roller core, polishes to its outer wall surface, removes the oxide layer that outer wall surface contains, spray one layer of protective coating in outer wall surface, and be incubated standby after the preheating temperature of 150-200 DEG C；
(2) making of outer wall layer material:
According to silicon nitride: 15-20 part, crystalline flake graphite: the weight proportion of 2-5 part prepares raw material, and adds in induction melting furnace, heat up fusing, adds industrial Cr additive, obtain liquid outer wall layer after stirring after it is completely melt；
(3) the outer wall mould of making carbon set roller roller core:
According to the size of carbon set roller roller core, and the thickness of reserved outer wall layer makes outer wall mould；
(4) outer wall layer and carbon set roller roller core one-body molded:
The liquid outer wall layer that step (2) obtained injects cast insulation crucible, preheats the outer wall mould prepared in step (3), surface spary protective coating within it simultaneously, and combined with the outer wall surface of carbon set roller roller core carries out matched moulds；Liquid outer wall layer in cast insulation crucible is injected in die cavity, carries out a liter liquid, fill type, pressurize and release, liquid outer wall layer solidification and crystallization, obtain the surface carbon set roller roller core integrally formed with outer wall layer.
Further, polishing is also included after step (4)；Polishing method particularly includes: is slightly polished integrally formed with the carbon set roller roller core of outer wall layer in the surface obtained, be placed on the object stage of atomization cleaning, be preheated to 120-150 DEG C and be incubated；Atomization cleaning agent is added in the vomit pipe of object stage, after it vaporizes, be attached to the surface of outer wall layer therewith, continue 10-20min, complete polishing.
As preferably, industrial Cr additive is the industrial Cr additive containing 65%Cr, quality be outer wall layer material be 8-15%.
Further; step (4) method particularly includes: liquid outer wall layer step (2) obtained injects cast insulation crucible; the outer wall mould prepared in step (3) is preheated simultaneously; surface spary protective coating within it; and combined carrying out matched moulds with the outer wall surface of carbon set roller roller core, mid portion is as die cavity；Setting bleed pressure as 0.85-1.2Mpa, simultaneous pressure is 0.7-0.9Mpa；Being passed through compressed air in die cavity and cast insulation crucible, it is 0.1-0.15Mpa that regulation rises hydraulic coupling, and mold filling pressure is 0.1-0.15Mpa simultaneously；Liquid outer wall layer in the lower work tank of cast insulation crucible under the effect of different pressures through stalk along the filling of antigravity direction, fill after type completes continuation supercharging；Pressurize is carried out when the pressure differential of the lower work tank of cast insulation crucible reaches 0.05-0.1Mpa, after continuing 5-8min, liquid outer wall layer is steadily injected die cavity, and solidification and crystallization is solid-state outer wall layer under pressure effect not etc., taking out the surface forming obtained after release has the carbon set roller roller core of outer wall layer.
As preferably, mass percent shared by the constituent of atomization cleaning agent and each composition is respectively as follows: acetone: 6-11 part, ethyl acetate: 4-7 part.
The invention provides the outer wall processing technology of a kind of carbon set roller roller core; first carbon is overlapped roller roller core surface preparation; remove the oxide layer on surface; to ensure that outer wall processes quality; protect at one layer of protective coating of surface spraying simultaneously; make outer wall layer material and mould subsequently, finally according to the method for anisobaric casting, outer wall layer is overlapped the one-body molded of roller roller core with carbon.The present invention has the most outstanding hot feeding capacity at the outer wall layer of carbon set roller roller core outer wall molding, and owing to liquid outer wall layer solidification and crystallization under the effect of pressure differential is outer wall layer, the sedimentation of its microstructure is significantly reduced, organize the finest and close, the mechanical property making outer wall layer is greatly improved, it is favorably improved the using effect of carbon set roller roller core, extends the use time；And the outer wall layer of the present invention is one-body molded by mould, and manufacture difficulty is low, and precision is high, it is ensured that carbon overlaps the smooth of roller roller core surface.
Detailed description of the invention
The technical scheme provided the present invention below with reference to specific embodiment is described in detail, it should be understood that following detailed description of the invention is merely to illustrate the present invention rather than limits the scope of the present invention.
Embodiment 1:
The outer wall processing technology of a kind of carbon set roller roller core, step includes: carbon set roller roller core surface preparation, the making of outer wall layer material and outer wall layer are one-body molded with carbon set roller roller core；Outer wall layer and the integral formation method of carbon set roller roller core are that method outer wall layer material and the outer wall talking set roller roller core cast according to anisobaric is one-body molded.
Method particularly includes:
(1) carbon set roller roller core surface preparation:
Dismounting carbon set roller roller core, polishes to its outer wall surface, removes the oxide layer that outer wall surface contains, spray one layer of protective coating in outer wall surface, and be incubated standby after the preheating temperature of 150 DEG C；
(2) making of outer wall layer material:
According to silicon nitride: 15 parts, crystalline flake graphite: the weight proportion of 5 parts prepares raw material, and adds in induction melting furnace, heat up fusing, adds the industrial Cr additive containing 65%Cr of 8%, obtain liquid outer wall layer after stirring after it is completely melt；
(3) the outer wall mould of making carbon set roller roller core:
According to the size of carbon set roller roller core, and the thickness of reserved outer wall layer makes outer wall mould；
(4) outer wall layer and carbon set roller roller core one-body molded:
Liquid outer wall layer step (2) obtained injects cast insulation crucible; the outer wall mould prepared in step (3) is preheated simultaneously; surface spary protective coating within it, and combined carry out matched moulds with the outer wall surface of carbon set roller roller core, mid portion is as die cavity；Setting bleed pressure as 0.85Mpa, simultaneous pressure is 0.7Mpa；Being passed through compressed air in die cavity and cast insulation crucible, it is 0.1Mpa that regulation rises hydraulic coupling, and mold filling pressure is 0.1Mpa simultaneously；Liquid outer wall layer in the lower work tank of cast insulation crucible under the effect of different pressures through stalk along the filling of antigravity direction, fill after type completes continuation supercharging；Pressurize is carried out when the pressure differential of the lower work tank of cast insulation crucible reaches 0.05Mpa, after continuing 5min, liquid outer wall layer steadily injecting die cavity, and solidification and crystallization is solid-state outer wall layer under pressure effect not etc., taking out the surface forming obtained after release has the carbon set roller roller core of outer wall layer；
(5) polishing:
Slightly is polished integrally formed with the carbon set roller roller core of outer wall layer in the surface obtained, be placed on the object stage of atomization cleaning, be preheated to 120 DEG C and be incubated；Atomization cleaning agent is added in the vomit pipe of object stage, after it vaporizes, it is attached to the surface of outer wall layer therewith, continues 10min, complete polishing, wherein mass percent shared by the constituent of atomization cleaning agent and each composition is respectively as follows: acetone: 6 parts, ethyl acetate: 7 parts.
Embodiment 2:
The outer wall processing technology of a kind of carbon set roller roller core, step includes: carbon set roller roller core surface preparation, the making of outer wall layer material and outer wall layer are one-body molded with carbon set roller roller core；Outer wall layer and the integral formation method of carbon set roller roller core are that method outer wall layer material and the outer wall talking set roller roller core cast according to anisobaric is one-body molded.
Method particularly includes:
(1) carbon set roller roller core surface preparation:
Dismounting carbon set roller roller core, polishes to its outer wall surface, removes the oxide layer that outer wall surface contains, spray one layer of protective coating in outer wall surface, and be incubated standby after the preheating temperature of 200 DEG C；
(2) making of outer wall layer material:
According to silicon nitride: 20 parts, crystalline flake graphite: the weight proportion of 2 parts prepares raw material, and adds in induction melting furnace, heat up fusing, adds the industrial Cr additive containing 65%Cr of 15%, obtain liquid outer wall layer after stirring after it is completely melt；
(3) the outer wall mould of making carbon set roller roller core:
According to the size of carbon set roller roller core, and the thickness of reserved outer wall layer makes outer wall mould；
(4) outer wall layer and carbon set roller roller core one-body molded:
Liquid outer wall layer step (2) obtained injects cast insulation crucible; the outer wall mould prepared in step (3) is preheated simultaneously; surface spary protective coating within it, and combined carry out matched moulds with the outer wall surface of carbon set roller roller core, mid portion is as die cavity；Setting bleed pressure as 1.2Mpa, simultaneous pressure is 0.9Mpa；Being passed through compressed air in die cavity and cast insulation crucible, it is 0.15Mpa that regulation rises hydraulic coupling, and mold filling pressure is 0.15Mpa simultaneously；Liquid outer wall layer in the lower work tank of cast insulation crucible under the effect of different pressures through stalk along the filling of antigravity direction, fill after type completes continuation supercharging；Pressurize is carried out when the pressure differential of the lower work tank of cast insulation crucible reaches 0.1Mpa, after continuing 8min, liquid outer wall layer steadily injecting die cavity, and solidification and crystallization is solid-state outer wall layer under pressure effect not etc., taking out the surface forming obtained after release has the carbon set roller roller core of outer wall layer；
(5) polishing:
Slightly is polished integrally formed with the carbon set roller roller core of outer wall layer in the surface obtained, be placed on the object stage of atomization cleaning, be preheated to 150 DEG C and be incubated；Atomization cleaning agent is added in the vomit pipe of object stage, after it vaporizes, it is attached to the surface of outer wall layer therewith, continues 20min, complete polishing, mass percent shared by the constituent of atomization cleaning agent and each composition is respectively as follows: acetone: 11 parts, ethyl acetate: 4 parts.
Embodiment 3:
The outer wall processing technology of a kind of carbon set roller roller core, step includes: carbon set roller roller core surface preparation, the making of outer wall layer material and outer wall layer are one-body molded with carbon set roller roller core；Outer wall layer and the integral formation method of carbon set roller roller core are that method outer wall layer material and the outer wall talking set roller roller core cast according to anisobaric is one-body molded.
Method particularly includes:
(1) carbon set roller roller core surface preparation:
Dismounting carbon set roller roller core, polishes to its outer wall surface, removes the oxide layer that outer wall surface contains, spray one layer of protective coating in outer wall surface, and be incubated standby after the preheating temperature of 200 DEG C；
(2) making of outer wall layer material:
According to silicon nitride: 18 parts, crystalline flake graphite: the weight proportion of 4 parts prepares raw material, and adds in induction melting furnace, heat up fusing, adds the industrial Cr additive containing 65%Cr of 10%, obtain liquid outer wall layer after stirring after it is completely melt；
(3) the outer wall mould of making carbon set roller roller core:
According to the size of carbon set roller roller core, and the thickness of reserved outer wall layer makes outer wall mould；
(4) outer wall layer and carbon set roller roller core one-body molded:
Liquid outer wall layer step (2) obtained injects cast insulation crucible; the outer wall mould prepared in step (3) is preheated simultaneously; surface spary protective coating within it, and combined carry out matched moulds with the outer wall surface of carbon set roller roller core, mid portion is as die cavity；Setting bleed pressure as 1Mpa, simultaneous pressure is 0.9Mpa；Being passed through compressed air in die cavity and cast insulation crucible, it is 0.15Mpa that regulation rises hydraulic coupling, and mold filling pressure is 0.15Mpa simultaneously；Liquid outer wall layer in the lower work tank of cast insulation crucible under the effect of different pressures through stalk along the filling of antigravity direction, fill after type completes continuation supercharging；Pressurize is carried out when the pressure differential of the lower work tank of cast insulation crucible reaches 0.1Mpa, after continuing 5min, liquid outer wall layer steadily injecting die cavity, and solidification and crystallization is solid-state outer wall layer under pressure effect not etc., taking out the surface forming obtained after release has the carbon set roller roller core of outer wall layer；
(5) polishing:
Slightly is polished integrally formed with the carbon set roller roller core of outer wall layer in the surface obtained, be placed on the object stage of atomization cleaning, be preheated to 150 DEG C and be incubated；Atomization cleaning agent is added in the vomit pipe of object stage, after it vaporizes, it is attached to the surface of outer wall layer therewith, continues 10min, complete polishing, mass percent shared by the constituent of atomization cleaning agent and each composition is respectively as follows: acetone: 9 parts, ethyl acetate: 5 parts.
After by three above embodiment, outer wall to three carbon set roller roller cores processes respectively, the mechanical property of three carbon set roller roller cores is all effectively improved, the most respectively embodiment 3, embodiment 2 and embodiment 1.
Finally it should be noted that, above example is only in order to illustrate technical scheme and non-limiting technical scheme, it will be understood by those within the art that, technical scheme is modified or equivalent by those, without deviating from objective and the scope of the technical program, all should contain in the middle of scope of the presently claimed invention.
Claims (6)
1. the outer wall processing technology of a carbon set roller roller core, it is characterised in that: step includes: carbon set roller roller core surface preparation, the making of outer wall layer material and outer wall layer are one-body molded with carbon set roller roller core；Described outer wall layer and the integral formation method of carbon set roller roller core are that method outer wall layer material and the outer wall talking set roller roller core cast according to anisobaric is one-body molded.
The outer wall processing technology of a kind of carbon the most according to claim 1 set roller roller core, it is characterised in that: method particularly includes:
(1) carbon set roller roller core surface preparation:
Dismounting carbon set roller roller core, polishes to its outer wall surface, removes the oxide layer that outer wall surface contains, spray one layer of protective coating in outer wall surface, and be incubated standby after the preheating temperature of 150-200 DEG C；
(2) making of outer wall layer material:
According to silicon nitride: 15-20 part, crystalline flake graphite: the weight proportion of 2-5 part prepares raw material, and adds in induction melting furnace, heat up fusing, adds industrial Cr additive, obtain liquid outer wall layer after stirring after it is completely melt；
(3) the outer wall mould of making carbon set roller roller core:
According to the size of carbon set roller roller core, and the thickness of reserved outer wall layer makes outer wall mould；
(4) outer wall layer and carbon set roller roller core one-body molded:
The liquid outer wall layer that step (2) obtained injects cast insulation crucible, preheats the outer wall mould prepared in step (3), surface spary protective coating within it simultaneously, and combined with the outer wall surface of carbon set roller roller core carries out matched moulds；Liquid outer wall layer in cast insulation crucible is injected in die cavity, carries out a liter liquid, fill type, pressurize and release, liquid outer wall layer solidification and crystallization, obtain the surface carbon set roller roller core integrally formed with outer wall layer.
The outer wall processing technology of a kind of carbon the most according to claim 2 set roller roller core, it is characterised in that: described step also includes polishing after (4)；Described polishing method particularly includes: is slightly polished integrally formed with the carbon set roller roller core of outer wall layer in the surface obtained, be placed on the object stage of atomization cleaning, be preheated to 120-150 DEG C and be incubated；Atomization cleaning agent is added in the vomit pipe of object stage, after it vaporizes, be attached to the surface of outer wall layer therewith, continue 10-20min, complete polishing.
A kind of carbon the most according to claim 2 set roller roller core outer wall processing technology, it is characterised in that: described industrial Cr additive is the industrial Cr additive containing 65%Cr, quality be outer wall layer material be 8-15%.
The outer wall processing technology of a kind of carbon the most according to claim 2 set roller roller core; it is characterized in that: described step (4) method particularly includes: liquid outer wall layer step (2) obtained injects cast insulation crucible; the outer wall mould prepared in step (3) is preheated simultaneously; surface spary protective coating within it; and combined carrying out matched moulds with the outer wall surface of carbon set roller roller core, mid portion is as die cavity；Setting bleed pressure as 0.85-1.2Mpa, simultaneous pressure is 0.7-0.9Mpa；Being passed through compressed air in die cavity and cast insulation crucible, it is 0.1-0.15Mpa that regulation rises hydraulic coupling, and mold filling pressure is 0.1-0.15Mpa simultaneously；Liquid outer wall layer in the lower work tank of cast insulation crucible under the effect of different pressures through stalk along the filling of antigravity direction, fill after type completes continuation supercharging；Pressurize is carried out when the pressure differential of the lower work tank of cast insulation crucible reaches 0.05-0.1Mpa, after continuing 5-8min, liquid outer wall layer is steadily injected die cavity, and solidification and crystallization is solid-state outer wall layer under pressure effect not etc., taking out the surface forming obtained after release has the carbon set roller roller core of outer wall layer.
The outer wall processing technology of a kind of carbon the most according to claim 3 set roller roller core, it is characterised in that: mass percent shared by the constituent of described atomization cleaning agent and each composition is respectively as follows: acetone: 6-11 part, ethyl acetate: 4-7 part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610248583.9A CN105880531A (en) | 2016-04-20 | 2016-04-20 | Outer wall treatment process for carbon sleeve roller core |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610248583.9A CN105880531A (en) | 2016-04-20 | 2016-04-20 | Outer wall treatment process for carbon sleeve roller core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141133A (en) * | 2016-08-30 | 2016-11-23 | 江苏南山冶金机械制造有限公司 | A kind of casting method of dip-roll sleeve |
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2016
- 2016-04-20 CN CN201610248583.9A patent/CN105880531A/en active Pending
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| CN104152799A (en) * | 2014-07-21 | 2014-11-19 | 江苏南山冶金机械制造有限公司 | Heat-resistant carbon-covered roller core and manufacturing method thereof |
| CN104962951A (en) * | 2015-07-24 | 2015-10-07 | 武汉大学 | Method for repairing aluminum suction pipe |
| CN105108148A (en) * | 2015-07-31 | 2015-12-02 | 宁夏银钛科技股份有限公司 | Roller production method and roller produced by using method |
| CN105215329A (en) * | 2015-09-17 | 2016-01-06 | 高文梅 | A kind of casting method of the power-assisted vavuum pump housing that brakes |
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| CN106141133A (en) * | 2016-08-30 | 2016-11-23 | 江苏南山冶金机械制造有限公司 | A kind of casting method of dip-roll sleeve |
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Application publication date: 20160824 |