CN106637192A - Automobile mould repair process with excellent repair effect - Google Patents
Automobile mould repair process with excellent repair effect Download PDFInfo
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- CN106637192A CN106637192A CN201611050083.0A CN201611050083A CN106637192A CN 106637192 A CN106637192 A CN 106637192A CN 201611050083 A CN201611050083 A CN 201611050083A CN 106637192 A CN106637192 A CN 106637192A
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/30—Ferrous alloys, e.g. steel alloys containing chromium with cobalt
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
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- Materials Engineering (AREA)
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- Metallurgy (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses an automobile mould repair process with an excellent repair effect. The automobile mould repair process with the excellent repair effect comprises the following steps: cleaning the surface of a mould; taking a worn area of the mould as a repair area, and grinding the repair area; performing primary tempering treatment on the mould; cladding the repair area with repair alloy powder by adopting laser cladding to form a repair layer, wherein the surface of the repair layer is 0.3 to 0.5 mm lower than that surface of the mould; performing secondary tempering treatment on the mould which is subjected to laser cladding treatment; taking the worn area of the mould and the range of 2 to 5 cm on the periphery of the worn area as a strengthening area, and grinding the strengthening area of the mould; spraying strengthening alloy powder on the strengthening area of the mould by adopting plasma spraying; taking the strengthening area and the range of 1 to 2 cm on the periphery of the strengthening area as a polishing area, and performing polishing treatment on the polishing area of the mould. The repair process has the advantages that the mould is small in deformation amount and high in hardness, does not crack easily and the like; the use precision of the mould can be ensured; the service life of the mould can be prolonged.
Description
Technical field
The present invention relates to automobile die technology field, the reparation work of the excellent automobile die of specifically a kind of repairing effect
Skill.
Background technology
It is reported that, China has about accounted for 1/3rd or so of whole mould yield for the mould of automobile services at present.
In this automobile die for accounting for mould total amount 1/3rd, stamping mold will account for half or so, it can be seen that automobile stamping mould
Critical role of the tool in die industry and auto industry.With the continuous development of die industry, automobile die mould at home
Tool industry has had very important position.It is wide that the Chinese Automobile Industry ' of fast development is that domestic automobile die brings
Development space.Additionally due to the factor in cost and market causes the center of gravity of developed country's Making mold also to China to be progressively
Developing country's transfer of representative.Composite factor both domestic and external promotes domestic automobile mould industry high speed development, it is seen then that China
The prospect of automobile die industry is very wide.
At present, mould and die accuracy is poor, the mortal wound that short life, construction cycle length are domestic automobile moulds.Domestic automobile mould
There is the situation of mistake processing in manufacturing process, different degrees of abrasion can be produced in use, the scrappage of mould is high
Up to 30%, huge waste is caused, commercially competitiveness is not enough to cause domestic automobile mould.For such case, at present
Most enterprises processed repairing to automobile die using common built-up welding, but as mold materials are mostly high carbon alloys
Steel or cast steel, to mould, common built-up welding can bring that deflection is big, hardness is not enough, it is easy to crack the shortcomings of, have a strong impact on making for mould
With precision, produced product quality is caused to decline.
The content of the invention
It is an object of the invention to provide a kind of renovation technique of the excellent automobile die of repairing effect, to solve the above-mentioned back of the body
The problem proposed in scape technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of renovation technique of the excellent automobile die of repairing effect, step are as follows：
1) die surface is cleaned；
2) die wear region is polished as restoring area to restoring area；
3) first temper is carried out to mould, is first warming up to 500-530 DEG C, temper 2-3h, then it is cooled to 210-
240 DEG C, temper 1h, last natural cooling；
4) alloy powder cladding will be repaired in restoring area using laser melting coating, will form repair layer, and the surface of repair layer
0.3-0.5mm lower than die surface, laser power are 2000W, and spot size is 5-6mm, and scanning speed is 3-4mm/s, wherein
Repair the identical into being grouped into mould into being grouped into of alloy powder；
5) temper again is carried out to the mould after Laser Cladding Treatment, is first warming up to 500-530 DEG C, temper 2-
3h, then 210-240 DEG C is cooled to, temper 1h, last natural cooling；
6) using in the range of die wear region and eroded area periphery 2-5cm as strengthening region, the stiffened region to mould
Polished in domain；
7) using plasma spraying by reinforced alloys powder spray in the strengthening region of mould, to form strengthening layer, reinforcing
The surface 0.1-0.2mm higher than die surface of layer；
8) using in the range of die and mould strengthening region and strengthening region periphery 1-2cm as polishing area, the polishing area to mould
Domain is processed by shot blasting.
As further scheme of the invention：Step 1) in, mould is cleaned using 70 DEG C of Mei Shakelong solvents.
As further scheme of the invention：Step 2) in, mould is carried out just initially with the dry abrasive paper of 400 mesh
Secondary polishing, after grinding homogeneity, then is polished to mould using the dry abrasive paper of 800 mesh, again after grinding homogeneity, finally by mould
Tool is placed in water, and is finally polished using the silicon carbide paper of 1200 mesh, after grinding homogeneity, mould is dried at 110-120 DEG C
It is dry.
As further scheme of the invention：Step 6) in, mould is carried out just initially with the dry abrasive paper of 600 mesh
Secondary polishing, after grinding homogeneity, then is polished to mould again using the dry abrasive paper of 1200 mesh, after grinding homogeneity, finally will
Mould is placed in water, and is finally polished using the silicon carbide paper of 2000 mesh, after grinding homogeneity, by mould at 110-120 DEG C
Drying.
As further scheme of the invention：Step 7) in, change of the reinforced alloys powder according to mass percent
Study and be divided into：Cr 15-18%, Si 1-2%, Mo 2-2.5%, W 2-3%, Co 4-5%, Nb 0.5-1.0%, Ta 1.2-
1.8%th, Ti 3.0-3.6%, balance of Fe.
As further scheme of the invention：Step 7) in, change of the reinforced alloys powder according to mass percent
Study and be divided into：Cr 16.5%, Si 1.4%, Mo 2.3%, W 2.7%, Co 4.5%, Nb 0.7%, Ta 1.6%, Ti
3.3%th, Fe 67%.
As further scheme of the invention：Step 8) in, using polishing area of the supersonic mould buffing machine to mould
Domain is processed by shot blasting.
Compared with prior art, the invention has the beneficial effects as follows：
1st, the renovation technique of the excellent automobile die of repairing effect of the present invention, the case hardness of the mould after reparation reach
To more than 59.7, be conducive to improving the hardness of mould, improve the wearability of mould, so as to extend the mold use life-span.
2nd, the renovation technique of the excellent automobile die of repairing effect of the present invention, compared with conventional common built-up welding, with to mould
Tool brings that deflection is little, hardness is high, it is not easy to crack the advantages of, ensure that mold use precision, it is to avoid the product for being produced
Quality Down.
Specific embodiment
Technical scheme is described in more detail with reference to specific embodiment.
Embodiment 1
A kind of renovation technique of the excellent automobile die of repairing effect, step are as follows：
1) die surface is cleaned, specifically, the Mei Shakelong solvents using 70 DEG C are cleaned to mould；
2) die wear region is polished as restoring area to restoring area, specially initially with 400 purposes
Dry abrasive paper is polished for the first time to mould, after grinding homogeneity, then mould is beaten again using the dry abrasive paper of 800 mesh
Mould after grinding homogeneity, is finally placed in water, is finally polished using the silicon carbide paper of 1200 mesh by mill, after grinding homogeneity,
Mould is dried at 110 DEG C；
3) first temper is carried out to mould, is first warming up to 500 DEG C, temper 2h, then 210 DEG C are cooled to, it is tempered
Process 1h, last natural cooling；
4) alloy powder cladding will be repaired in restoring area using laser melting coating, will form repair layer, and the surface of repair layer
0.3mm lower than die surface, laser power are 2000W, and spot size is 5mm, and scanning speed is 3mm/s, wherein repairing alloy
Powder it is identical into being grouped into mould into being grouped into；
5) temper again is carried out to the mould after Laser Cladding Treatment, is first warming up to 500 DEG C, temper 2h, then
210 DEG C are cooled to, temper 1h, last natural cooling；
6) using in the range of die wear region and eroded area periphery 2cm as strengthening region, the strengthening region to mould
Polished, specifically, being polished to mould for the first time initially with the dry abrasive paper of 600 mesh, after grinding homogeneity, then adopted
The dry abrasive paper of 1200 mesh is polished again to mould, after grinding homogeneity, is finally placed in water mould, using 2000 purposes
Silicon carbide paper is finally polished, and after grinding homogeneity, mould is dried at 110 DEG C；
7) using plasma spraying by reinforced alloys powder spray in the strengthening region of mould, to form strengthening layer, reinforcing
The surface 0.1mm higher than die surface of layer, wherein, the reinforced alloys powder according to the chemical composition of mass percent is：
Cr15%, Si 1%, Mo 2%, W 2%, Co 4%, Nb 0.5%, Ta 1.2%, Ti 3%, Fe 71.3%；
8) using in the range of die and mould strengthening region and strengthening region periphery 1cm as polishing area, the polishing area to mould
It is processed by shot blasting, specifically, being processed by shot blasting to the polishing area of mould using supersonic mould buffing machine.
Embodiment 2
A kind of renovation technique of the excellent automobile die of repairing effect, step are as follows：
1) die surface is cleaned, specifically, the Mei Shakelong solvents using 70 DEG C are cleaned to mould；
2) die wear region is polished as restoring area to restoring area, specially initially with 400 purposes
Dry abrasive paper is polished for the first time to mould, after grinding homogeneity, then mould is beaten again using the dry abrasive paper of 800 mesh
Mould after grinding homogeneity, is finally placed in water, is finally polished using the silicon carbide paper of 1200 mesh by mill, after grinding homogeneity,
Mould is dried at 115 DEG C；
3) first temper is carried out to mould, is first warming up to 510 DEG C, temper 2.5h, then 220 DEG C are cooled to, return
Fire processes 1h, last natural cooling；
4) alloy powder cladding will be repaired in restoring area using laser melting coating, will form repair layer, and the surface of repair layer
0.35mm lower than die surface, laser power are 2000W, and spot size is 5mm, and scanning speed is 4mm/s, wherein repairing alloy
Powder it is identical into being grouped into mould into being grouped into；
5) temper again is carried out to the mould after Laser Cladding Treatment, is first warming up to 520 DEG C, temper 3h, then
220 DEG C are cooled to, temper 1h, last natural cooling；
6) using in the range of die wear region and eroded area periphery 2.5cm as strengthening region, the stiffened region to mould
Domain is polished, specifically, being polished to mould for the first time initially with the dry abrasive paper of 600 mesh, after grinding homogeneity, then adopts
The dry abrasive paper of 1200 mesh is polished again to mould, after grinding homogeneity, is finally placed in water mould, using 2000 purposes
Silicon carbide paper is finally polished, and after grinding homogeneity, mould is dried at 110 DEG C；
7) using plasma spraying by reinforced alloys powder spray in the strengthening region of mould, to form strengthening layer, reinforcing
The surface 0.1mm higher than die surface of layer, wherein, the reinforced alloys powder according to the chemical composition of mass percent is：
Cr16%, Si 1.3%, Mo 2.2%, W 2.5%, Co 5%, Nb 0.6%, Ta 1.4%, Ti 3.5%, Fe 67.5%；
8) using in the range of die and mould strengthening region and strengthening region periphery 1.5cm as polishing area, the polishing area to mould
Domain is processed by shot blasting, specifically, being processed by shot blasting to the polishing area of mould using supersonic mould buffing machine.
Embodiment 3
A kind of renovation technique of the excellent automobile die of repairing effect, step are as follows：
1) die surface is cleaned, specifically, the Mei Shakelong solvents using 70 DEG C are cleaned to mould；
2) die wear region is polished as restoring area to restoring area, specially initially with 400 purposes
Dry abrasive paper is polished for the first time to mould, after grinding homogeneity, then mould is beaten again using the dry abrasive paper of 800 mesh
Mould after grinding homogeneity, is finally placed in water, is finally polished using the silicon carbide paper of 1200 mesh by mill, after grinding homogeneity,
Mould is dried at 115 DEG C；
3) first temper is carried out to mould, is first warming up to 515 DEG C, temper 2.5h, then 225 DEG C are cooled to, return
Fire processes 1h, last natural cooling；
4) alloy powder cladding will be repaired in restoring area using laser melting coating, will form repair layer, and the surface of repair layer
0.4mm lower than die surface, laser power are 2000W, and spot size is 5mm, and scanning speed is 3mm/s, wherein repairing alloy
Powder it is identical into being grouped into mould into being grouped into；
5) temper again is carried out to the mould after Laser Cladding Treatment, is first warming up to 520 DEG C, temper 2.5h,
230 DEG C are cooled to again, temper 1h, last natural cooling；
6) using in the range of die wear region and eroded area periphery 3cm as strengthening region, the strengthening region to mould
Polished, specifically, being polished to mould for the first time initially with the dry abrasive paper of 600 mesh, after grinding homogeneity, then adopted
The dry abrasive paper of 1200 mesh is polished again to mould, after grinding homogeneity, is finally placed in water mould, using 2000 purposes
Silicon carbide paper is finally polished, and after grinding homogeneity, mould is dried at 115 DEG C；
7) using plasma spraying by reinforced alloys powder spray in the strengthening region of mould, to form strengthening layer, reinforcing
The surface 0.2mm higher than die surface of layer, wherein, the reinforced alloys powder according to the chemical composition of mass percent is：
Cr16.5%, Si 1.4%, Mo 2.3%, W 2.7%, Co 4.5%, Nb 0.7%, Ta 1.6%, Ti 3.3%, Fe
67%；
8) using in the range of die and mould strengthening region and strengthening region periphery 1.5cm as polishing area, the polishing area to mould
Domain is processed by shot blasting, specifically, being processed by shot blasting to the polishing area of mould using supersonic mould buffing machine.
Embodiment 4
A kind of renovation technique of the excellent automobile die of repairing effect, step are as follows：
1) die surface is cleaned, specifically, the Mei Shakelong solvents using 70 DEG C are cleaned to mould；
2) die wear region is polished as restoring area to restoring area, specially initially with 400 purposes
Dry abrasive paper is polished for the first time to mould, after grinding homogeneity, then mould is beaten again using the dry abrasive paper of 800 mesh
Mould after grinding homogeneity, is finally placed in water, is finally polished using the silicon carbide paper of 1200 mesh by mill, after grinding homogeneity,
Mould is dried at 110 DEG C；
3) first temper is carried out to mould, is first warming up to 525 DEG C, temper 3h, then 225 DEG C are cooled to, it is tempered
Process 1h, last natural cooling；
4) alloy powder cladding will be repaired in restoring area using laser melting coating, will form repair layer, and the surface of repair layer
0.4mm lower than die surface, laser power are 2000W, and spot size is 6mm, and scanning speed is 3mm/s, wherein repairing alloy
Powder it is identical into being grouped into mould into being grouped into；
5) temper again is carried out to the mould after Laser Cladding Treatment, is first warming up to 510 DEG C, temper 2.5h,
240 DEG C are cooled to again, temper 1h, last natural cooling；
6) using in the range of die wear region and eroded area periphery 4cm as strengthening region, the strengthening region to mould
Polished, specifically, being polished to mould for the first time initially with the dry abrasive paper of 600 mesh, after grinding homogeneity, then adopted
The dry abrasive paper of 1200 mesh is polished again to mould, after grinding homogeneity, is finally placed in water mould, using 2000 purposes
Silicon carbide paper is finally polished, and after grinding homogeneity, mould is dried at 120 DEG C；
7) using plasma spraying by reinforced alloys powder spray in the strengthening region of mould, to form strengthening layer, reinforcing
The surface 0.1mm higher than die surface of layer, wherein, the reinforced alloys powder according to the chemical composition of mass percent is：
Cr17%, Si 1.5%, Mo 2.5%, W 2%, Co 4.3%, Nb 0.6%, Ta 1.7%, Ti 3.2%, Fe 67.2%；
8) using in the range of die and mould strengthening region and strengthening region periphery 2cm as polishing area, the polishing area to mould
It is processed by shot blasting, specifically, being processed by shot blasting to the polishing area of mould using supersonic mould buffing machine.
Embodiment 5
A kind of renovation technique of the excellent automobile die of repairing effect, step are as follows：
1) die surface is cleaned, specifically, the Mei Shakelong solvents using 70 DEG C are cleaned to mould；
2) die wear region is polished as restoring area to restoring area, specially initially with 400 purposes
Dry abrasive paper is polished for the first time to mould, after grinding homogeneity, then mould is beaten again using the dry abrasive paper of 800 mesh
Mould after grinding homogeneity, is finally placed in water, is finally polished using the silicon carbide paper of 1200 mesh by mill, after grinding homogeneity,
Mould is dried at 120 DEG C；
3) first temper is carried out to mould, is first warming up to 530 DEG C, temper 3h, then 240 DEG C are cooled to, it is tempered
Process 1h, last natural cooling；
4) alloy powder cladding will be repaired in restoring area using laser melting coating, will form repair layer, and the surface of repair layer
0.5mm lower than die surface, laser power are 2000W, and spot size is 6mm, and scanning speed is 4mm/s, wherein repairing alloy
Powder it is identical into being grouped into mould into being grouped into；
5) temper again is carried out to the mould after Laser Cladding Treatment, is first warming up to 530 DEG C, temper 3h, then
240 DEG C are cooled to, temper 1h, last natural cooling；
6) using in the range of die wear region and eroded area periphery 5cm as strengthening region, the strengthening region to mould
Polished, specifically, being polished to mould for the first time initially with the dry abrasive paper of 600 mesh, after grinding homogeneity, then adopted
The dry abrasive paper of 1200 mesh is polished again to mould, after grinding homogeneity, is finally placed in water mould, using 2000 purposes
Silicon carbide paper is finally polished, and after grinding homogeneity, mould is dried at 120 DEG C；
7) using plasma spraying by reinforced alloys powder spray in the strengthening region of mould, to form strengthening layer, reinforcing
The surface 0.2mm higher than die surface of layer, wherein, the reinforced alloys powder according to the chemical composition of mass percent is：
Cr18%, Si 2%, Mo 2.5%, W 3%, Co 5%, Nb 1%, Ta 1.8%, Ti 3.6%, Fe 63.1%；
8) using in the range of die and mould strengthening region and strengthening region periphery 2cm as polishing area, the polishing area to mould
It is processed by shot blasting, specifically, being processed by shot blasting to the polishing area of mould using supersonic mould buffing machine.
Comparative example
Compared with Example 3, using conventional reinforced alloys powder, other are same as Example 3, the conventional reinforced alloys
Powder according to the chemical composition of mass percent is：C 0.08%, Cr 14%, B 2.5%, Si 1.5%, Mo 1.2%, Mn
12%, W 11%, TiO212%, remaining is Fe.
Performance test is carried out to the case hardness of embodiment 1-5 and comparative example, test result is as follows：
1 performance test table of table
As can be seen from the above table, the renovation technique of the excellent automobile die of repairing effect of the present invention, the mould after reparation
The case hardness of tool has reached more than 59.7, is conducive to improving the hardness of mould, improves the wearability of mould, so as to extend mould
Service life.
The renovation technique of the excellent automobile die of repairing effect of the present invention, compared with conventional common built-up welding, with to mould
Bring that deflection is little, hardness is high, it is not easy to crack the advantages of, ensure that mold use precision, it is to avoid the product matter for being produced
Amount declines.
In addition, as can be seen that the treatment effect of embodiment 3 is substantially better than from Data Comparison of the embodiment 3 with comparative example 1
Comparative example, as conventional reinforced alloys powder is adopted in comparative example, it can therefore be seen that the present invention adopts special reinforced alloys
Powder carries out plasma spraying, is conducive to improving the repairing effect to mould.
Above the better embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can be with the premise of without departing from present inventive concept
Various changes can be made.
Claims (7)
1. the renovation technique of the excellent automobile die of a kind of repairing effect, it is characterised in that step is as follows：
1) die surface is cleaned；
2) die wear region is polished as restoring area to restoring area；
3) first temper is carried out to mould, is first warming up to 500-530 DEG C, temper 2-3h, then it is cooled to 210-240
DEG C, temper 1h, last natural cooling；
4) alloy powder cladding will be repaired in restoring area using laser melting coating, and will form repair layer, and mould is compared on the surface of repair layer
The low 0.3-0.5mm in tool surface, laser power is 2000W, and spot size is 5-6mm, and scanning speed is 3-4mm/s, wherein repairing
Alloy powder it is identical into being grouped into mould into being grouped into；
5) temper again is carried out to the mould after Laser Cladding Treatment, is first warming up to 500-530 DEG C, temper 2-3h,
210-240 DEG C is cooled to again, temper 1h, last natural cooling；
6) as strengthening region, the strengthening region of mould will be entered in the range of die wear region and eroded area periphery 2-5cm
Row polishing；
7) using plasma spraying by reinforced alloys powder spray in the strengthening region of mould, to form strengthening layer, strengthening layer
Surface 0.1-0.2mm higher than die surface；
8) as polishing area, the polishing area of mould will be entered in the range of die and mould strengthening region and strengthening region periphery 1-2cm
Row polishing.
2. the renovation technique of the excellent automobile die of repairing effect according to claim 1, it is characterised in that step 1)
In, mould is cleaned using 70 DEG C of Mei Shakelong solvents.
3. the renovation technique of the excellent automobile die of repairing effect according to claim 1, it is characterised in that step 2)
In, mould is polished for the first time initially with the dry abrasive paper of 400 mesh, after grinding homogeneity, then using the dry abrasive paper of 800 mesh
Mould is polished again, after grinding homogeneity, finally mould is placed in water, carried out finally using the silicon carbide paper of 1200 mesh
Polishing, after grinding homogeneity, mould is dried at 110-120 DEG C.
4. the renovation technique according to the excellent automobile die of the arbitrary described repairing effect of claim 1-3, it is characterised in that step
It is rapid 6) in, mould is polished for the first time initially with the dry abrasive paper of 600 mesh, it is after grinding homogeneity then dry using 1200 purposes
Dry sanding paper is polished again to mould, after grinding homogeneity, is finally placed in water mould, is entered using the silicon carbide paper of 2000 mesh
Row is final to polish, and after grinding homogeneity, mould is dried at 110-120 DEG C.
5. the renovation technique of the excellent automobile die of repairing effect according to claim 4, it is characterised in that step 7)
In, the reinforced alloys powder according to the chemical composition of mass percent is：Cr 15-18%, Si 1-2%, Mo 2-2.5%,
W 2-3%, Co 4-5%, Nb 0.5-1.0%, Ta 1.2-1.8%, Ti 3.0-3.6%, balance of Fe.
6. the renovation technique of the excellent automobile die of repairing effect according to claim 5, it is characterised in that step 7)
In, the reinforced alloys powder according to the chemical composition of mass percent is：Cr 16.5%, Si 1.4%, Mo 2.3%, W
2.7%th, Co 4.5%, Nb 0.7%, Ta 1.6%, Ti 3.3%, Fe 67%.
7. the renovation technique of the excellent automobile die of repairing effect according to claim 1, it is characterised in that step 8)
In, the polishing area of mould is processed by shot blasting using supersonic mould buffing machine.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805809A (en) * | 2017-11-21 | 2018-03-16 | 江苏雨燕模业科技有限公司 | A kind of automobile die surface coating renovation technique |
| CN109554704A (en) * | 2018-12-24 | 2019-04-02 | 广东省新材料研究所 | A method of remanufacturing cable forming mold |
| CN110284136A (en) * | 2019-07-31 | 2019-09-27 | 天津玛斯特车身装备技术有限公司 | A kind of Press Tools for Automobiles laser remanufacturing processing method |
| CN110370405A (en) * | 2019-07-24 | 2019-10-25 | 南通优氟防腐科技有限公司 | A kind of plastic-blasting method of safety and environmental protection that realizing that plate anti-corrosion is weather-proof |
| CN111455140A (en) * | 2020-04-10 | 2020-07-28 | 西安灯芯草信息科技有限公司 | Die repairing and reinforcing method |
| CN111940611A (en) * | 2020-08-07 | 2020-11-17 | 和县卜集振兴标准件厂 | Method for improving precision of alloy steel stamping die |
| CN112454760A (en) * | 2020-09-22 | 2021-03-09 | 成都飞机工业（集团）有限责任公司 | Composite material member mold surface deformation compensation mold repairing method |
| CN111940611B (en) * | 2020-08-07 | 2024-06-04 | 和县卜集振兴标准件厂 | Method for improving precision of alloy steel stamping die |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353775A (en) * | 2008-09-17 | 2009-01-28 | 安泰科技股份有限公司 | Nanocrystalline alloy coating and preparation thereof |
| CN103469198A (en) * | 2013-06-05 | 2013-12-25 | 武汉团结点金激光科技有限公司 | Laser remanufacturing and restoring technology of automobile transmission gear hot-forging die |
| WO2014202488A1 (en) * | 2013-06-17 | 2014-12-24 | Höganäs Ab (Publ) | Novel powder |
| CN104233289A (en) * | 2014-09-18 | 2014-12-24 | 丹阳惠达模具材料科技有限公司 | Method for repairing mold by high-wearing laser cladding material |
| CN104805391A (en) * | 2015-04-21 | 2015-07-29 | 苏州统明机械有限公司 | Anti-crack and scratch-proof iron-based alloy coating used for thermal spraying and preparation method thereof |
| CN106756742A (en) * | 2016-12-05 | 2017-05-31 | 哈尔滨理工大学 | A kind of electric spark deposition method for metal roller surface peening coating |
-
2016
- 2016-11-24 CN CN201611050083.0A patent/CN106637192A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353775A (en) * | 2008-09-17 | 2009-01-28 | 安泰科技股份有限公司 | Nanocrystalline alloy coating and preparation thereof |
| CN103469198A (en) * | 2013-06-05 | 2013-12-25 | 武汉团结点金激光科技有限公司 | Laser remanufacturing and restoring technology of automobile transmission gear hot-forging die |
| WO2014202488A1 (en) * | 2013-06-17 | 2014-12-24 | Höganäs Ab (Publ) | Novel powder |
| CN104233289A (en) * | 2014-09-18 | 2014-12-24 | 丹阳惠达模具材料科技有限公司 | Method for repairing mold by high-wearing laser cladding material |
| CN104805391A (en) * | 2015-04-21 | 2015-07-29 | 苏州统明机械有限公司 | Anti-crack and scratch-proof iron-based alloy coating used for thermal spraying and preparation method thereof |
| CN106756742A (en) * | 2016-12-05 | 2017-05-31 | 哈尔滨理工大学 | A kind of electric spark deposition method for metal roller surface peening coating |
Non-Patent Citations (1)
| Title |
|---|
| 日本热处理技术协会编著: "《热处理指南 上》", 28 February 1987, 机械工业出版社 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107805809A (en) * | 2017-11-21 | 2018-03-16 | 江苏雨燕模业科技有限公司 | A kind of automobile die surface coating renovation technique |
| CN109554704A (en) * | 2018-12-24 | 2019-04-02 | 广东省新材料研究所 | A method of remanufacturing cable forming mold |
| CN110370405A (en) * | 2019-07-24 | 2019-10-25 | 南通优氟防腐科技有限公司 | A kind of plastic-blasting method of safety and environmental protection that realizing that plate anti-corrosion is weather-proof |
| CN110284136A (en) * | 2019-07-31 | 2019-09-27 | 天津玛斯特车身装备技术有限公司 | A kind of Press Tools for Automobiles laser remanufacturing processing method |
| CN111455140A (en) * | 2020-04-10 | 2020-07-28 | 西安灯芯草信息科技有限公司 | Die repairing and reinforcing method |
| CN111940611A (en) * | 2020-08-07 | 2020-11-17 | 和县卜集振兴标准件厂 | Method for improving precision of alloy steel stamping die |
| CN111940611B (en) * | 2020-08-07 | 2024-06-04 | 和县卜集振兴标准件厂 | Method for improving precision of alloy steel stamping die |
| CN112454760A (en) * | 2020-09-22 | 2021-03-09 | 成都飞机工业（集团）有限责任公司 | Composite material member mold surface deformation compensation mold repairing method |
| CN112454760B (en) * | 2020-09-22 | 2022-05-10 | 成都飞机工业（集团）有限责任公司 | Mold surface deformation compensation mold repairing method for composite material member mold |
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