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CN103343338A - Laser restoration method of flaring die - Google Patents

Laser restoration method of flaring die Download PDF

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Publication number
CN103343338A
CN103343338A CN2013102670751A CN201310267075A CN103343338A CN 103343338 A CN103343338 A CN 103343338A CN 2013102670751 A CN2013102670751 A CN 2013102670751A CN 201310267075 A CN201310267075 A CN 201310267075A CN 103343338 A CN103343338 A CN 103343338A
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CN
China
Prior art keywords
overlay cladding
flaring die
laser
adopts
powdered alloy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013102670751A
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Chinese (zh)
Other versions
CN103343338B (en
Inventor
唐全林
张智明
高云飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Haiershi Information Technology Co ltd
Original Assignee
Suzhou Tangshi Machinery Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Tangshi Machinery Manufacturing Co Ltd filed Critical Suzhou Tangshi Machinery Manufacturing Co Ltd
Priority to CN201510183200.XA priority Critical patent/CN104741865A/en
Priority to CN201510183096.4A priority patent/CN104827188A/en
Priority to CN201510183179.3A priority patent/CN104746070A/en
Priority to CN201510183178.9A priority patent/CN104746069A/en
Priority to CN201510183097.9A priority patent/CN104762617A/en
Priority to CN201310267075.1A priority patent/CN103343338B/en
Publication of CN103343338A publication Critical patent/CN103343338A/en
Application granted granted Critical
Publication of CN103343338B publication Critical patent/CN103343338B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • 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
    • 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
    • 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/20—Tools

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Laser Beam Processing (AREA)

Abstract

The invention relates to a laser restoration method of a flaring die. The laser restoration method comprises the following steps of: carrying out treatment and detection analysis on the surface of the flaring die to be restored, and removing a fatigue layer at a worn part; carrying out surfacing on the worn part to form a first surfacing layer, and then carrying out the surfacing on the first surfacing layer to form a second surfacing layer, wherein the thickness of the first surfacing layer is 2mm-3mm, the thickness of the second surfacing layer is 2mm-3mm, and the surfacing adopts a preset powder-feeding mode and adopts a quick cross-flow carbon dioxide laser as a light source to carry out continuous overlapping and scanning on the die. The laser restoration method has the advantages that the laser cladding is carried out on the surface of the flaring die, and the hardness of the surface and the size of the worn part can meet the use requirements.

Description

The laser repair method of flaring die
Technical field
The present invention relates to a kind of laser cladding method, especially a kind of laser melting coating restorative procedure of die surface.
Background technology
Punching press is at room temperature, utilizes the press tool that is installed on the pressing machine that material is exerted pressure, and makes it produce separation or viscous deformation, thereby obtains a kind of pressure processing method of required part.Press tool is requisite tooling in the punching production, is technological-intensive product.The quality of stamping parts, production efficiency and production cost etc. have direct relation with die design and manufacturing.Press tool is divided into blanking die, piercing die, bending die, Drawing Die, flaring die etc. according to technological property, these press tools all inevitably can be worn and torn in the course of the work, but because each mould role has nothing in common with each other, stressing conditions difference during punching press, the degree of wear and wearing character in the working process also have nothing in common with each other.Carry out the die surface reparation by common overlaying method, can bring shortcomings such as deflection is big, hardness is not enough, easy to crack.And different moulds should select more suitable renovation technique according to its characteristic, otherwise can't be protected the work-ing life of mould, can have a strong impact on the service precision of mould, causes the quality product of producing to descend.
Laser melting coating refers to made it to melt simultaneously with the matrix surface skim through laser irradiation by the selecteed coated material of cladding matrix surface placement with different adding material modes, and it is extremely low to form extent of dilution behind the rapid solidification, become the top coat of metallurgical binding with matrix, significantly improve the processing method of wear-resisting, anti-corrosion, heat-resisting, the anti-oxidant and electrical specification of substrate surface, thereby reach the purpose of surface modification or reparation.With built-up welding, spraying, plating and gas phase sediment-filled phase ratio, laser melting coating has that extent of dilution is little, dense structure, coating and characteristics such as matrix bond is good, be fit to that cladding material is many, granularity and content are big.How laser melting and coating technique effectively being applied to the reparation of flaring die, is the problem that those skilled in the art need solve.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of surface to flaring die and carries out laser melting coating, makes the size of its surface hardness and abrading section reach the laser repair method of the flaring die of service requirements.
In order to solve the problems of the technologies described above, the invention provides a kind of laser repair method of flaring die, comprise following concrete steps:
The first step, the surface of flaring die to be repaired is handled;
Second the step, detect analysis, determine abrading section and abrasion loss thereof;
The fatigue layer of the 3rd step, removal abrading section;
The 4th step, according to the detection analytical results of flaring die, the die cavity of abrading section is programmed, formulate processing parameter;
The 5th step, the abrading section is carried out built-up welding form first overlay cladding, form second overlay cladding in the enterprising windrow weldering of the first layer overlay cladding then, the thickness of described first overlay cladding is 2mm to 3mm, the thickness of described second overlay cladding is 2mm to 3mm, in weld deposit process, constantly evenly knock the mould alloy cladding layer; The mode of powder feeding that presets is adopted in built-up welding, be that light source overlaps scanning continuously to mould with the fast-transverse-flow CO, laser power is 1200W to 1400W, spot size is 12mm * 1.8mm, laser apparatus is 255mm to 265mm from the distance between the Substrate, sweep velocity is 110mm/min to 130mm/min, amount of lap is 4.5mm, and powder sending quantity is 12g/min to 15g/min, and the component of the powdered alloy that first overlay cladding adopts and weight percent content are C≤0.1%, Cr:15% to 19%, B:1.5% to 2.5%, Si:1% to 2%, Mo:0.8% to 1%, Mn:2% to 5%, all the other are Fe; The component of the powdered alloy that second overlay cladding adopts and weight percent content are C≤0.1%, Cr:6% to 8%, and B:1.5% to 2.5%, Si:1% to 2%, Mo:0.8% to 1%, Mn:5% to 7%, W:2% to 4%, V: 2% to 6%, TiO 2: 5% to 10%, all the other are Fe;
The 6th step, detection surface hardness and deflection carry out mechanical workout, permeation flaw detection to the flaring die after repairing.
The mass percentage content of Mn in the powdered alloy that above-mentioned second overlay cladding adopts is 5.6% to 6.6%.
The mass percentage content of W in the powdered alloy that above-mentioned second overlay cladding adopts is 2.8% to 3.5%.
The mass percentage content of V in the powdered alloy that above-mentioned second overlay cladding adopts is 4.2% to 5.8%.
TiO in the powdered alloy that above-mentioned second overlay cladding adopts 2Mass percentage content be 6.3% to 8.7%.
The beneficial effect that the present invention brings is: the laser repair method of flaring die of the present invention is lower according to wearing character elder generation built-up welding one deck hardness of flaring die, wear resistance is generally organized first overlay cladding comparatively fine and close, good uniformity, higher, the wear resistance of built-up welding one deck hardness second overlay cladding preferably on first overlay cladding again, still not cooling of first overlay cladding during second overlay cladding built-up welding, and both have all selected suitable powdered alloy to carry out built-up welding, wettability between two overlay claddings is good, in conjunction with tightr.The content of the strict control of the powdered alloy of second overlay cladding C, be conducive to improve the wettability of cladding layer, prevent from cladding process, cracking and pore, add an amount of B, Si and make alloy solidifying the matrix of back formation based on austenite, utilize proper C r, Mn, W, Mo, V, TiO 2Ferrous alloy is carried out alloy strengthening, even C content is lower, the hardness of cladding layer also can reach more than the 55.5HRC, has fully satisfied the hardness requirement that mould uses, and has had very high wear resistance.Adopt the mode of powder feeding that presets in addition, strict control powder sending quantity, and laser power, sweep velocity, amount of lap etc. are optimized makes that the homogeneity of structure of cladding layer is good, thickness and hardness is even.This method did not need mould is carried out preheating before built-up welding, after built-up welding, need not mould is annealed, can control the distortion of mould effectively, and can avoid heat to concentrate the generation thermal stresses by carry out laser melting coating in an orderly manner everywhere, be conducive to further reduce distortion, improve hardness and the wear resistance of mould.
Embodiment
Embodiment 1
The concrete steps of the laser repair method of the flaring die of present embodiment are as follows:
The first step, the surface of flaring die to be repaired is handled, with removings such as the dust on the flaring die, greasy dirt, corrosions.
Second goes on foot, detects analysis, original working conditions, hardness and the mechanical property parameters of record flaring die, and the size at each position of detection flaring die is determined abrading section and abrasion loss thereof.
The 3rd goes on foot, passes through the right angle that the abrading section is removed in polishing, removes the fatigue layer of abrading section, and cleans.
The 4th step, according to the detection analytical results of flaring die, the die cavity of abrading section is programmed (numerical control machining simulation system that programming can be used Mitsubishi), formulate processing parameter.
The 5th step, the abrading section is carried out built-up welding form first overlay cladding, form second overlay cladding in the enterprising windrow weldering of the first layer overlay cladding then, the thickness of described first overlay cladding is 3mm, the thickness of described second overlay cladding is 3mm, in weld deposit process, constantly evenly knock the mould alloy cladding layer with mallet.Built-up welding is adopted and is preset the mode of powder feeding, is that light source overlaps scanning continuously to mould with the fast-transverse-flow CO.Laser power is 1400W, and spot size is 12mm * 1.8mm, and laser apparatus is 265mm from the distance between the Substrate, and sweep velocity is 120mm/min, and amount of lap is 4.5mm, and powder sending quantity is 12g/min.The component of the powdered alloy that first overlay cladding adopts and weight percent content are C:0.07%, Cr:15.4%, and B:2.2%, Si:1.4%, Mo:0.8%, Mn:2.5%, all the other are Fe.The component of the powdered alloy that second overlay cladding adopts and weight percent content are C:0.08%, Cr:7.2%, B:2%, Si:1.5%, Mo:1%, Mn:6.5%, V: 4.5%, W:3.2%, TiO 2: 8.1%, all the other are Fe.
The 6th step, detection surface hardness and deflection carry out mechanical workout, permeation flaw detection to the flaring die after repairing.
Mean value through the surface hardness of the flaring die of the laser repair method reparation of the flaring die of present embodiment reaches 57.1HRC, and the hardness Schwellenwert in all check points is 55.9HRC.
Embodiment 2
The rest part of the laser repair method of the flaring die of present embodiment is identical with embodiment 1, difference is: laser power is 1200W, spot size is 12mm * 1.8mm, laser apparatus is 255mm from the distance between the Substrate, sweep velocity is 110mm/min, amount of lap is 4.5mm, and powder sending quantity is 13g/min.The component of the powdered alloy that first overlay cladding adopts and weight percent content are C:0.09%, Cr:17.5%, and B:1.7%, Si:1.1%, Mo:0.9%, Mn:3.4%, all the other are Fe.The component of the powdered alloy that second overlay cladding adopts and weight percent content are C:0.06%, Cr:6.6%, B:1.8%, Si:1.2%, Mo:0.9%, Mn:5.8%, V:5.3%, W:3.4%, TiO 2: 7.6%, all the other are Fe.
Mean value through the surface hardness of the flaring die of the laser repair method reparation of the flaring die of present embodiment reaches 57.2HRC, and the hardness Schwellenwert in all check points is 55.8HRC.
Embodiment 3
The rest part of the laser repair method of the flaring die of present embodiment is identical with embodiment 1, difference is: laser power is 1300W, spot size is 12mm * 1.8mm, laser apparatus is 260mm from the distance between the Substrate, sweep velocity is 130mm/min, amount of lap is 4.5mm, and powder sending quantity is 15g/min.The component of the powdered alloy that first overlay cladding adopts and weight percent content are C:0.05%, Cr:16.5%, and B:2%, Si:1.3%, Mo:0.8%, Mn:3.6%, all the other are Fe.The component of the powdered alloy that second overlay cladding adopts and weight percent content are C:0.09%, Cr:7.6%, B:2.2%, Si:1.8%, Mo:0.8%, Mn:5.9%, V: 4.8%, W:2.9%, TiO 2: 6.7%, all the other are Fe.
Mean value through the surface hardness of the flaring die of the laser repair method reparation of the flaring die of present embodiment reaches 57.4 HRC, and the hardness Schwellenwert in all check points is 55.7HRC.
Obviously, above-described embodiment only is for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.

Claims (5)

1. the laser repair method of a flaring die comprises following concrete steps:
The first step, the surface of flaring die to be repaired is handled;
Second the step, detect analysis, determine abrading section and abrasion loss thereof;
The fatigue layer of the 3rd step, removal abrading section;
The 4th step, according to the detection analytical results of flaring die, the die cavity of abrading section is programmed, formulate processing parameter;
The 5th step, the abrading section is carried out built-up welding form first overlay cladding, form second overlay cladding in the enterprising windrow weldering of the first layer overlay cladding then, the thickness of described first overlay cladding is 2mm to 3mm, the thickness of described second overlay cladding is 2mm to 3mm, in weld deposit process, constantly evenly knock the mould alloy cladding layer; The mode of powder feeding that presets is adopted in built-up welding, be that light source overlaps scanning continuously to mould with the fast-transverse-flow CO, laser power is 1200W to 1400W, spot size is 12mm * 1.8mm, laser apparatus is 255mm to 265mm from the distance between the Substrate, sweep velocity is 110mm/min to 130mm/min, amount of lap is 4.5mm, and powder sending quantity is 12g/min to 15g/min, and the component of the powdered alloy that first overlay cladding adopts and weight percent content are C≤0.1%, Cr:15% to 19%, B:1.5% to 2.5%, Si:1% to 2%, Mo:0.8% to 1%, Mn:2% to 5%, all the other are Fe; The component of the powdered alloy that second overlay cladding adopts and weight percent content are C≤0.1%, Cr:6% to 8%, and B:1.5% to 2.5%, Si:1% to 2%, Mo:0.8% to 1%, Mn:5% to 7%, W:2% to 4%, V: 2% to 6%, TiO 2: 5% to 10%, all the other are Fe;
The 6th step, detection surface hardness and deflection carry out mechanical workout, permeation flaw detection to the flaring die after repairing.
2. the laser repair method of flaring die according to claim 1, it is characterized in that: the mass percentage content of the Mn in the powdered alloy that second overlay cladding adopts is 5.6% to 6.6%.
3. the laser repair method of flaring die according to claim 1, it is characterized in that: the mass percentage content of the W in the powdered alloy that second overlay cladding adopts is 2.8% to 3.5%.
4. the laser repair method of flaring die according to claim 1, it is characterized in that: the mass percentage content of the V in the powdered alloy that second overlay cladding adopts is 4.2% to 5.8%.
5. the laser repair method of flaring die according to claim 1 is characterized in that: the TiO in the powdered alloy that second overlay cladding adopts 2Mass percentage content be 6.3% to 8.7%.
CN201310267075.1A 2013-06-29 2013-06-29 Laser restoration method of flaring die Expired - Fee Related CN103343338B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201510183200.XA CN104741865A (en) 2013-06-29 2013-06-29 Laser repairing method for die
CN201510183096.4A CN104827188A (en) 2013-06-29 2013-06-29 Laser repairing method for flaring die
CN201510183179.3A CN104746070A (en) 2013-06-29 2013-06-29 Laser repair method
CN201510183178.9A CN104746069A (en) 2013-06-29 2013-06-29 Laser repair method
CN201510183097.9A CN104762617A (en) 2013-06-29 2013-06-29 Laser repairing method for die
CN201310267075.1A CN103343338B (en) 2013-06-29 2013-06-29 Laser restoration method of flaring die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310267075.1A CN103343338B (en) 2013-06-29 2013-06-29 Laser restoration method of flaring die

Related Child Applications (5)

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CN201510183178.9A Division CN104746069A (en) 2013-06-29 2013-06-29 Laser repair method
CN201510183096.4A Division CN104827188A (en) 2013-06-29 2013-06-29 Laser repairing method for flaring die
CN201510183179.3A Division CN104746070A (en) 2013-06-29 2013-06-29 Laser repair method
CN201510183200.XA Division CN104741865A (en) 2013-06-29 2013-06-29 Laser repairing method for die
CN201510183097.9A Division CN104762617A (en) 2013-06-29 2013-06-29 Laser repairing method for die

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CN103343338A true CN103343338A (en) 2013-10-09
CN103343338B CN103343338B (en) 2015-04-29

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CN201510183179.3A Pending CN104746070A (en) 2013-06-29 2013-06-29 Laser repair method
CN201310267075.1A Expired - Fee Related CN103343338B (en) 2013-06-29 2013-06-29 Laser restoration method of flaring die
CN201510183096.4A Pending CN104827188A (en) 2013-06-29 2013-06-29 Laser repairing method for flaring die
CN201510183200.XA Pending CN104741865A (en) 2013-06-29 2013-06-29 Laser repairing method for die
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CN201510183097.9A Pending CN104762617A (en) 2013-06-29 2013-06-29 Laser repairing method for die

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CN103538180A (en) * 2013-10-24 2014-01-29 山东豪迈机械科技股份有限公司 Restoration method for wearing mould of aluminum tire
WO2018223478A1 (en) * 2017-06-05 2018-12-13 广东工业大学 Dual-laser-beam deposition-forming and impact-forging combination additive manufacturing method
CN110709206A (en) * 2017-06-07 2020-01-17 住友电工烧结合金株式会社 Method for manufacturing mold member and mold member

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CN105252203B (en) * 2015-10-19 2017-07-25 浙江大学宁波理工学院 The restorative procedure of mould crackle
FR3058345B1 (en) * 2016-11-08 2019-06-07 Peugeot Citroen Automobiles Sa CENTER FOR MACHINING AND METALLURGICAL TREATMENT FOR TOOLS FOR AUTOMOTIVE FITTING
CN107201524B (en) 2017-05-22 2023-08-29 中信戴卡股份有限公司 Laser strengthening processing forming method for surface of rotary wheel
CN108118335B (en) * 2017-12-28 2020-02-21 沈阳大陆激光技术有限公司 Laser repairing method for high-pressure water descaling header
CN108637588B (en) * 2018-06-25 2021-02-05 浙江翰德圣智能再制造技术有限公司 Repairing method for spiral blade of expansion dryer
CN109554704A (en) * 2018-12-24 2019-04-02 广东省新材料研究所 A method of remanufacturing cable forming mold
CN109664024B (en) * 2019-02-20 2021-06-22 丁二纲 Laser welding method for repairing surface or internal defect of parent metal
CN111633519B (en) * 2020-06-16 2022-01-07 盐城金刚星精密锻造有限公司 Shaft type die surface flaw detection repairing device and using method

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