CN109518182A - Die wear dressing method - Google Patents
Die wear dressing method Download PDFInfo
- Publication number
- CN109518182A CN109518182A CN201811638250.2A CN201811638250A CN109518182A CN 109518182 A CN109518182 A CN 109518182A CN 201811638250 A CN201811638250 A CN 201811638250A CN 109518182 A CN109518182 A CN 109518182A
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- China
- Prior art keywords
- laser
- dressing method
- die wear
- powder
- heat treatment
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Classifications
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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
- C23C24/106—Coating with metal alloys or metal elements only
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
A kind of die wear dressing method includes the following steps: that the heat treatment carried out 200 DEG C and 2 hours using laser to mold constantly regulate powder sending quantity during heat treatment, the rough and uneven in surface of clad layer surface is overcome, to realize the abrasion reparation of mold.Filling metal is welded on the abrasion reparation that mold is realized on the surface at burn failure by laser melting and coating technique by inventive die wearing away revising method, improves the repairing quality of mold.
Description
Technical field
The present invention relates to mould applications, especially a kind of die wear dressing method.
Background technique
Currently, the adoptable recovery technique of mold has plating, electric arc or flame spurt welding, thermal spraying (flame, plasma) etc..
Electroplated layer is generally very thin, is no more than 0.03mm, and poor in conjunction with matrix, shape damaged location is difficult to repair；In built-up welding, thermal jet
When painting or surfacing, heat infuses the National People's Congress, and energy is not concentrated, and mold heat affected area is big, easily distortion even cracking, spray coating dilution rate
Greatly, the performance of matrix and material is reduced, the combination for repairing the matrix of position and mold is extremely difficult to the requirement of original mold.
Summary of the invention
In order to overcome drawbacks described above, the present invention provides a kind of die wear dressing method, can be improved mould repair matter
Amount obtains even tissue, the fine and compact and repair layer that has excellent performance.
The present invention is to solve technical solution used by its technical problem: a kind of die wear dressing method, including
Following steps: powder feeding is constantly regulate during heat treatment using the heat treatment that laser carries out 200 DEG C and 2 hours mold
Amount, overcomes the rough and uneven in surface of clad layer surface, to realize the abrasion reparation of mold.
As a further improvement of the present invention, the temperature field of laser processing area is detected using infrared temperature-test technology, is tied
It closes temperature field calibration result and derives actual temperature field information, to control the power output value of laser.
As a further improvement of the present invention, the dust feeder of use includes powder feeder and coaxial powder-feeding mouth, in powder feeder
Powder hopper lower part convey powder with carrier gas since the effect of equilibrium air pressure forms gas-particle two-phase fluidisation, and from conduit aperture.
As a further improvement of the present invention, the light velocity mode of the laser is multimode, spot diameter 4mm.
As a further improvement of the present invention, the laser repairing process parameter includes laser power P and scan velocity V s,
P value is 1~2kW, Vs is 2~4mm/s.
As a further improvement of the present invention, above-mentioned laser repairing process parameter is preset as P=before the heat treatment
1.5kW, Vs=3.2mm/s.
As a further improvement of the present invention, the laser repairing process parameter includes powder sending quantity Vf, before the heat treatment
Powder sending quantity Vf is preset as Vf=310mg/s, during heat treatment, constantly adjusts powder sending quantity Vf.
As a further improvement of the present invention, the laser repairing process parameter includes bath temperature, in heat treatment process
Control fusing point Tm+ (50~100) DEG C of the range in molten material of bath temperature.
As a further improvement of the present invention, the molten material includes basis material and dusty material, described matrix material
Material is 5CrMnMo steel, and the dusty material is Ni60 nickel-base alloy, and the fusing point of the molten material takes basis material and powder material
Expect the peak melting point of the two.
As a further improvement of the present invention, the laser repairing process parameter includes cladding layer thickness, the cladding layer
The range of thickness is in 1~2mm.
The beneficial effects of the present invention are: inventive die wearing away revising method will fill metal welding by laser melting and coating technique
The abrasion reparation for realizing mold on the surface at burn failure is connect, the repairing quality of mold is improved.
Specific embodiment
The present invention relates to a kind of die wear dressing methods, include the following steps:
Powder feeding is constantly regulate during heat treatment using the heat treatment that laser carries out 200 DEG C and 2 hours mold
Amount, overcomes the rough and uneven in surface of clad layer surface, to realize the abrasion reparation of mold.
The present invention detects the temperature field of laser processing area using infrared temperature-test technology, and combination temperature field calibration result pushes away
Actual temperature field information is exported, to control the power output value of laser.
The dust feeder that the present invention uses includes powder feeder and coaxial powder-feeding mouth, in the powder hopper lower part of powder feeder, due to flat
The effect of weighing apparatus air pressure forms gas-particle two-phase fluidisation, and from conduit aperture, conveys powder with carrier gas.Powder sending quantity by conveying gas pressure
Power is adjusted.
The light velocity mode of the laser is multimode, spot diameter 4mm.
The laser repairing process parameter include laser power P and scan velocity V s, P value be 1~2kW, Vs be 2~
4mm/s.In preferred embodiment, above-mentioned laser repairing process parameter is preset as P=1.5kW, Vs=before the heat treatment
3.2mm/s。
The laser repairing process parameter includes powder sending quantity Vf, and powder sending quantity Vf is preset as Vf=before the heat treatment
310mg/s constantly adjusts powder sending quantity Vf during heat treatment.
The laser repairing process parameter includes bath temperature, and the range that bath temperature is controlled in heat treatment process is melting
The fusing point Tm+ (50~100) DEG C of material.
The molten material includes basis material and dusty material, and described matrix material is 5CrMnMo steel, the powder material
Material is Ni60 nickel-base alloy, and the fusing point of the molten material takes the peak melting point of both basis material and dusty material.
The laser repairing process parameter includes cladding layer thickness, and the range of the cladding layer thickness is in 1~2mm.
The present invention will fill metal by laser melting and coating technique and be welded on the surface at burn failure to realize mold
Abrasion reparation, improve the repairing quality of mold.
Claims (10)
1. a kind of die wear dressing method, it is characterized in that: including the following steps:
Powder sending quantity is constantly regulate during heat treatment using the heat treatment that laser carries out 200 DEG C and 2 hours mold, gram
The rough and uneven in surface of clad layer surface is taken, to realize the abrasion reparation of mold.
2. die wear dressing method according to claim 1, it is characterized in that: detecting laser using infrared temperature-test technology
The temperature field of machining area, combination temperature field calibration result derive actual temperature field information, to control the power of laser
Output valve.
3. die wear dressing method according to claim 1, it is characterized in that: the dust feeder used include powder feeder and
Coaxial powder-feeding mouth since the effect of equilibrium air pressure forms gas-particle two-phase fluidisation, and is opened in the powder hopper lower part of powder feeder from conduit
Hole conveys powder with carrier gas.
4. die wear dressing method according to claim 1, it is characterized in that: the light velocity mode of the laser is more
Mould, spot diameter 4mm.
5. die wear dressing method according to claim 1 or 4, it is characterized in that: the laser repairing process parameter packet
It includes laser power P and scan velocity V s, P value is 1~2kW, Vs is 2~4mm/s.
6. die wear dressing method according to claim 5, it is characterized in that: before the heat treatment by above-mentioned laser repairing
Technological parameter is preset as P=1.5kW, Vs=3.2mm/s.
7. die wear dressing method according to claim 5, it is characterized in that: the laser repairing process parameter includes sending
Powder amount Vf, is preset as Vf=310mg/s for powder sending quantity Vf before the heat treatment, during heat treatment, constantly adjusts powder sending quantity
Vf。
8. die wear dressing method according to claim 7, it is characterized in that: the laser repairing process parameter includes molten
Pond temperature controls fusing point Tm+ (50~100) DEG C of the range in molten material of bath temperature in heat treatment process.
9. die wear dressing method according to claim 8, it is characterized in that: the molten material include basis material and
Dusty material, described matrix material are 5CrMnMo steel, and the dusty material is Ni60 nickel-base alloy, and the molten material melts
Point takes the peak melting point of both basis material and dusty material.
10. die wear dressing method according to claim 8, it is characterized in that: the laser repairing process parameter includes
Cladding layer thickness, the range of the cladding layer thickness is in 1~2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638250.2A CN109518182A (en) | 2018-12-29 | 2018-12-29 | Die wear dressing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638250.2A CN109518182A (en) | 2018-12-29 | 2018-12-29 | Die wear dressing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109518182A true CN109518182A (en) | 2019-03-26 |
Family
ID=65798555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811638250.2A Pending CN109518182A (en) | 2018-12-29 | 2018-12-29 | Die wear dressing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109518182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959690A (en) * | 2022-06-08 | 2022-08-30 | 绍兴昌杰机械有限公司 | Method and equipment for repairing mold crack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2712698A1 (en) * | 2012-10-01 | 2014-04-02 | Siemens Aktiengesellschaft | Powder feeding system for a laser build-up welding apparatus |
| CN103938208A (en) * | 2014-04-24 | 2014-07-23 | 辽宁工业大学 | Q235D single-track laser cladding technology method |
| CN106148946A (en) * | 2015-04-28 | 2016-11-23 | 东台精机股份有限公司 | Laser melting coating tool heads and finished surface method for sensing thereof |
| CN206204424U (en) * | 2016-11-08 | 2017-05-31 | 暨南大学 | A kind of laser cladding equipment that pre- hot-working slow cooling power is modulated based on polarization compensator |
-
2018
- 2018-12-29 CN CN201811638250.2A patent/CN109518182A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2712698A1 (en) * | 2012-10-01 | 2014-04-02 | Siemens Aktiengesellschaft | Powder feeding system for a laser build-up welding apparatus |
| CN103938208A (en) * | 2014-04-24 | 2014-07-23 | 辽宁工业大学 | Q235D single-track laser cladding technology method |
| CN106148946A (en) * | 2015-04-28 | 2016-11-23 | 东台精机股份有限公司 | Laser melting coating tool heads and finished surface method for sensing thereof |
| CN206204424U (en) * | 2016-11-08 | 2017-05-31 | 暨南大学 | A kind of laser cladding equipment that pre- hot-working slow cooling power is modulated based on polarization compensator |
Non-Patent Citations (1)
| Title |
|---|
| 杨玉军等: "激光熔覆技术修复纯镍板工艺研究", 《氯碱工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114959690A (en) * | 2022-06-08 | 2022-08-30 | 绍兴昌杰机械有限公司 | Method and equipment for repairing mold crack |
| CN114959690B (en) * | 2022-06-08 | 2023-07-25 | 绍兴昌杰机械有限公司 | Method and equipment for repairing mold cracks |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |
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| RJ01 | Rejection of invention patent application after publication |