CN115627389A - Manufacturing process for laser cladding of cobalt-based alloy powder by using small-opening pressure-blowing glass die punch - Google Patents
Manufacturing process for laser cladding of cobalt-based alloy powder by using small-opening pressure-blowing glass die punch Download PDFInfo
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- CN115627389A CN115627389A CN202211288247.9A CN202211288247A CN115627389A CN 115627389 A CN115627389 A CN 115627389A CN 202211288247 A CN202211288247 A CN 202211288247A CN 115627389 A CN115627389 A CN 115627389A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
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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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Abstract
The invention discloses a process for manufacturing cobalt-based alloy powder by laser cladding of a small-opening pressure-blowing glass die punch, which relates to the field of small-opening pressure-blowing glass dies and comprises the following steps: providing cobalt-based alloy powder, and processing a punch matrix according to design requirements, fixing the punch matrix on a rotating fixture of cladding equipment, and driving the punch matrix to rotate by the rotating fixture; and step three, completing laser cladding of the cobalt-based alloy powder on the surface of the punch substrate by combining a laser cladding head and a powder feeding nozzle in laser cladding equipment, and feeding the laser cladding head and the powder feeding nozzle along the axial direction of the punch substrate. The cobalt-based alloy powder cladding layer is uniform in thickness and easy to control, and the cladding layer can be controlled within 1 mm; the cladding layer has good red hardness and can keep the hardness for a long time at high temperature; the cladding layer is not easy to generate sand holes, gaps, cracks and the cladding layer is not easy to fall off; the whole production efficiency is high, the energy and material consumption is saved, and the production cost is reduced.
Description
Technical Field
The invention relates to the field of small-opening pressure-blown glass dies, in particular to a process for manufacturing cobalt-based alloy powder through laser cladding of a punch of a small-opening pressure-blown glass die.
Background
In the production process of the small-opening pressure-blowing method of the glass bottle, as the punch head needs to be frequently in direct contact with high-temperature glass solution and is punched and rubbed with the glass solution at a high speed, the vulnerability of the punch head of the small-opening pressure-blowing glass mould is determined, and in order to prolong the service life of the punch head of the small-opening pressure-blowing glass mould, the surface of the base material of the punch head of the small-opening pressure-blowing glass mould needs to be modified; the existing technology for improving the surface performance of the small-opening pressure-blowing glass die punch is difficult to achieve the expected effect in the aspects of red hardness, thermal fatigue resistance and the like, and a surface welding layer is easy to fracture and fall off, so that the service life of the small-opening pressure-blowing glass die punch is seriously influenced.
The prior art mainly has three types of modification treatment processes for the surface of a small-opening pressure-blowing glass die punch:
(1) The method has the advantages that the flame welding gun is used for manually spraying and welding the nickel alloy powder on the surface of the punch, the method has high requirements on the technical and experience levels of workers, the sprayed and welded layer is uneven in thickness, the sprayed and welded layer is easy to have the spray welding defects such as sand holes, gaps and cracks, the whole sprayed and welded layer can be seriously peeled off, the efficiency is low, and the yield is low;
(2) The plasma spray welding equipment is adopted to carry out the plasma spray welding of nickel alloy powder or cobalt-based alloy powder on the surface of the punch, and the method has the defects that the depth of a molten pool in the plasma spray welding process is not easy to control, the thickness of a spray welding layer is difficult to master, the thickness of the spray welding layer of the punch is uneven, the integral heat dissipation of the punch is uneven, the spray welding layer on the surface of the punch is easy to crack, and the service life of the punch is shortened. Meanwhile, in the plasma spray welding process, a punch to be subjected to spray welding needs to be preheated to a specified temperature at a high temperature before spray welding, and heat preservation and tempering treatment are needed after welding, so that the process is complicated, the energy consumption is high, and the production efficiency is low. In addition, as the spray welding layer of the nickel-based alloy powder has obvious hardness attenuation along with the rise of the temperature of the punch, the requirement of long service life of the punch cannot be met;
(3) The nickel + tungsten carbide alloy powder is sprayed on the surface of the punch at supersonic speed by adopting supersonic speed spraying equipment so as to increase the surface hardness and the thermal fatigue resistance of the punch; the punch treated by the process has good surface red and hard performance and can be used for a long time at the high temperature of 700 ℃. The process has the defects that the welding material is physically combined with the base material, the metallurgical combination effect cannot be achieved, and the sprayed layer is easy to fall off; the supersonic spraying process needs secondary remelting on the spraying part of the punch, is only suitable for spraying nickel-based alloy powder and is not suitable for cobalt-based alloy powder with higher hardness and high-temperature resistance; when the cobalt-based alloy powder is sprayed and coated on the spraying part of the punch for secondary remelting, the situation that the spraying part of the punch is collapsed and scrapped due to the fact that the base metal of the punch is melted before the cobalt-based alloy powder is easily caused due to the high melting point of the cobalt-based alloy powder. The supersonic spraying equipment needs kerosene as fuel, has great noise during working, can generate gases such as carbon monoxide, carbon dioxide, sulfur dioxide and the like during the combustion of the kerosene, and causes environmental pollution by the noise and waste gas.
Therefore, the invention provides a manufacturing process of the small-opening pressure-blown glass mold punch by using laser cladding cobalt-based alloy powder, and the purposes of meeting the stability and long service life of the small-opening pressure-blown glass mold punch in the use environments of high machine speed, high temperature, high pressure and high frequency are achieved.
Disclosure of Invention
Based on the problems, the invention aims to provide a process for manufacturing cobalt-based alloy powder by laser cladding of a small-opening pressure-blowing glass die punch, which adopts the following technical scheme:
the invention provides a process for manufacturing cobalt-based alloy powder by laser cladding of a small-opening pressure-blowing glass die punch, which is characterized by comprising the following steps of:
providing cobalt-based alloy powder, wherein the cobalt-based alloy powder comprises the following components in percentage by weight:
c-1.03%, cr-29.46%, si-1.6%, W-4.5%, fe-1.11%, ni-2.62%, and the balance Co;
secondly, processing a punch substrate according to design requirements, fixing the punch substrate on a rotating fixture of cladding equipment, and driving the punch substrate to rotate by the rotating fixture;
and step three, laser cladding of the cobalt-based alloy powder on the surface of the punch base body is completed by combining a laser cladding head and a powder feeding nozzle in the laser cladding equipment, and the laser cladding head and the powder feeding nozzle are fed along the axial direction of the punch base body.
Preferably, in the third step, the 2D outline drawing of the punch base body (1) is introduced into MasterCam software, and the rotating speed of the punch base body driven by the rotating fixture, the axial feeding speed of the laser cladding head along the punch base body and cladding process parameters are set in the MasterCam software;
generating an NC code in MasterCam software, introducing the NC code into a numerical control system of the laser cladding equipment, adding a related laser cladding command, finishing laser cladding of cobalt-based alloy powder on the surface of the punch substrate by combining the rotary fixture, the laser cladding head and the powder feeding nozzle in the laser cladding equipment, and forming a cobalt-based alloy strengthening layer on the outer surface of the punch substrate after the cladding is finished.
Preferably, the rotating fixture drives the punch base body to rotate at a speed of 15-20 mm/sec; and the axial offset of the laser cladding head along the punch matrix is 2.5-3 mm/n when the punch matrix rotates for each circle.
Preferably, the cladding process parameters include the jet flow rate of the powder feeding nozzle, the powder feeding amount of the powder feeding nozzle, the spot diameter of the laser cladding head and the laser power of the laser cladding head;
the jet flow rate of the powder feeding nozzle is 8-10 NL/min; the powder feeding amount of the powder feeding nozzle is 16-24 g/min; the diameter of a light spot of the laser cladding head is 1.5-4.5 mm; the laser power of the laser cladding head is 300-2700W.
Preferably, high-purity argon with the content of 99.999 percent is introduced into the powder feeding nozzle.
Preferably, the cobalt-based alloy powder has a particle size of 150 to 250 mesh.
Preferably, in the second step, the punch base body comprises a working section, a connecting section and a mounting section; and carrying out laser cladding on the surfaces of the working section and the connecting section by using cobalt-based alloy powder.
Preferably, the cobalt-based alloy strengthening layer and the dilution layer of the punch base body are controlled to be 0.1-0.15 mm; the thickness of a welding layer of the cobalt-based alloy strengthening layer on the top of the working section is 0.8-1.0 mm, and the thickness of the welding layer of the cobalt-based alloy strengthening layer on the outer wall of the working section is 0.6-0.8 mm.
Preferably, the punch base body (1) is made of 8620 steel.
Compared with the prior art, the invention has the beneficial technical effects that:
the cobalt-based alloy powder cladding layer is uniform in thickness and easy to control, and the cladding layer can be controlled within 1 mm; the cladding layer has good red hardness and can keep the hardness for a long time at high temperature; and the cladding layer is not easy to have sand holes, gaps, cracks and the cladding layer is not easy to fall off, the integral production efficiency is high, the energy and material consumption is saved, and the production cost is reduced.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of the laser cladding process of the small-orifice pressure-blown glass mold punch of the present invention;
FIG. 2 shows the thickness of the welding layer after laser cladding of the punch of the small-opening pressure-blown glass mold.
Description of reference numerals: 1. a punch base; 101. a working section; 102. a connecting section; 103. an installation section; 2. a cobalt-based alloy strengthening layer; 3. rotating the fixture; 4. laser cladding head; 5. a powder feeding nozzle.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, the embodiment discloses a process for manufacturing a cobalt-based alloy powder by laser cladding of a punch of a small-opening pressure-blown glass mold, which comprises the following steps:
providing cobalt-based alloy powder, wherein the cobalt-based alloy powder comprises the following components in percentage by weight: c-1.03%, cr-29.46%, si-1.6%, W-4.5%, fe-1.11%, ni-2.62%, and the balance Co;
the granularity of the cobalt-based alloy powder is 150-250 meshes, and the laser cladding using effect of the cobalt-based alloy powder is optimal within the range of 150-250 meshes.
Secondly, processing the punch substrate 1 according to design requirements, fixing the punch substrate 1 on a rotary fixture 3 of cladding equipment, and driving the punch substrate 1 to rotate by the rotary fixture 3;
and step three, laser cladding of the cobalt-based alloy powder on the surface of the punch base body 1 is completed by combining a laser cladding head 4 and a powder feeding nozzle 5 in laser cladding equipment, and the laser cladding head 4 and the powder feeding nozzle 5 are fed along the axial direction of the punch base body 1.
In the third step, the 2D outline drawing of the punch substrate 1 is introduced into Mastercam software, and a rotating fixture 3 is arranged in the Mastercam software to drive the rotating speed of the punch substrate 1, the axial feeding speed of the laser cladding head 4 along the punch substrate 1 and the cladding process parameters. After the parameters are set, an NC code is generated in MasterCam software, then the NC code is introduced into a numerical control system of laser cladding equipment, a relevant laser cladding command is added, laser cladding of cobalt-based alloy powder on the surface of the punch base body 1 is completed by combining a rotary fixture 3, a laser cladding head 4 and a powder feeding nozzle 5 in the laser cladding equipment, and a cobalt-based alloy strengthening layer 2 is formed on the surface of the punch base body 1 after the cladding is completed.
In the embodiment, the rotating speed of the punch substrate 1 driven by the rotating fixture 3 is 15-20 mm/sec; and the axial offset of the laser cladding head 4 along the punch matrix 1 is 2.5-3 mm/n when the punch matrix 1 rotates for one circle.
The cladding process parameters comprise the jet flow of the powder feeding nozzle 5, the powder feeding amount of the powder feeding nozzle 5, the spot diameter of the laser cladding head 4 and the laser power of the laser cladding head 4. In this embodiment, the flow rate of the powder feeding nozzle 5 is 8 to 10NL/min; the powder feeding amount of the powder feeding nozzle 5 is 16-24 g/min; the diameter of a light spot of the laser cladding head 4 is 1.5-4.5 mm; the laser power of the laser cladding head 4 is 300-2700W.
It should be noted that the "NL" index is normalized, and the "N" index is normalized: the temperature is 20 ℃, the atmospheric pressure is 0.1MPa, and the relative humidity is 65%.
In this embodiment, high-purity argon gas with a content of 99.999% is introduced into the powder feeding nozzle 5 as the powder feeding gas and the shielding gas.
As shown in fig. 2, the punch base 1 in the present embodiment includes a working section 101, a connecting section 102, and a mounting section 103; the punch base body 1 can be made of 8620 steel. And only performing laser cladding of the cobalt-based alloy powder on the surfaces of the working section 101 and the connecting section 102 during cladding.
The cobalt-based alloy strengthening layer 2 and the diluting layer of the punch substrate 1 are controlled to be 0.1-0.15 mm; the dilution layer refers to the depth of the two materials melting into each other, i.e. the depth of the molten pool. In this example, the dilution layer is a fusion layer of the cobalt-based alloy and the punch base at the time of laser cladding, and the alloy welding layer is on the dilution layer, and all components are alloys. The dilution layer and the metallurgical layer formed by fusing the two materials are easy to cause false welding and falling if the thickness of the metallurgical layer is too small; the excessive thickness of the metallurgical layer affects the components of the alloy and the parent metal, so that the components of the bonding layer alloy are changed, the high-temperature resistance and oxidation resistance of the alloy are reduced, and the mechanical property is easy to change.
The top of the punch is the main working surface of the punch when the punch presses the glass solution, and bears high temperature, high pressure and abrasion, the two numerical ranges are the requirements given by practical use experience, and the alloy welding layer is too thin and has low high temperature resistance and abrasion resistance; the heat dissipation of the punch is affected due to the fact that the thickness of the welding layer is too large, the heat dissipation of the alloy layer is fast, the heat dissipation of the base material is slow, the overall heat dissipation of the punch is uneven, and cracks or even falling between the welding layer and the base material are prone to occur due to the fact that the thermal stress and the expansion coefficient of the punch are different when the punch works for a long time. In the embodiment, the thickness of the welding layer of the cobalt-based alloy strengthening layer 2 on the top of the working section 101 is 0.8-1.0 mm, and the thickness of the welding layer of the cobalt-based alloy strengthening layer 2 on the outer wall of the working section 101 is 0.6-0.8 mm.
It should be noted that the manufacturing process in this embodiment is implemented based on a laser cladding device, and the laser cladding device generally uses a numerical control device as a platform and integrates a laser cladding system and auxiliary devices. The laser cladding system comprises a laser, a powder feeder, a laser cladding head, a powder feeding nozzle and the like; the auxiliary equipment comprises a water cooling machine, a stabilized voltage power supply, protective gas and the like. The powder feeding modes mainly adopted in the existing laser cladding manufacturing include three modes of pre-laying powder, paraxial powder feeding and coaxial powder feeding. In this embodiment, the laser cladding head 4 and the powder feeding nozzle 5 are coaxially arranged, and the coaxial powder feeding nozzle structure disclosed in the patent of the chinese utility model with the name of an optical fiber laser coaxial powder feeding nozzle can be adopted in the technical scheme of the coaxial powder feeding nozzle structure, which is CN 201520066081.5. The numerical control equipment in the embodiment mainly comprises a three-axis linear module and a two-axis positioner. The laser cladding head 4 and the powder feeding nozzle 5 are arranged on the three-axis linear module. The rotary fixture 3 is a pneumatic clamping jaw which is arranged on a two-axis positioner, and the two-axis positioner drives the rotary fixture 3 to clamp a workpiece during cladding and change the posture of the workpiece during cladding. The jack catch has from the centering function, and flexible pneumatic push rod is installed to the bottom, and electromagnet is installed at the push rod top simultaneously, satisfies when the centre gripping is firm, guarantees sufficient positioning accuracy, is applicable to the centre gripping of different specification drift work pieces.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (9)
1. A manufacturing process of laser cladding cobalt-based alloy powder for a punch of a small-opening pressure-blown glass die is characterized by comprising the following steps of:
providing cobalt-based alloy powder, wherein the cobalt-based alloy powder comprises the following components in percentage by weight:
c-1.03%, cr-29.46%, si-1.6%, W-4.5%, fe-1.11%, ni-2.62%, and the balance Co;
step two, processing the punch substrate (1) according to design requirements, fixing the punch substrate (1) on a rotating fixture (3) of cladding equipment, and driving the punch substrate (1) to rotate by the rotating fixture (3);
and step three, laser cladding of the cobalt-based alloy powder on the surface of the punch base body (1) is completed by combining a laser cladding head (4) and a powder feeding nozzle (5) in the laser cladding equipment, and the laser cladding head (4) and the powder feeding nozzle (5) are fed along the axial direction of the punch base body (1).
2. The manufacturing process of laser cladding cobalt-based alloy powder for the small-opening pressure-blown glass mold punch according to claim 1, characterized by comprising the following steps: in the third step, the 2D outer contour diagram of the punch base body (1) is imported into MasterCam software, and the rotating speed of the punch base body (1) driven by the rotating fixture (3), the axial feeding speed of the laser cladding head (4) along the punch base body (1) and cladding technological parameters are set in the MasterCam software;
generating an NC code in MasterCam software, introducing the NC code into a numerical control system of the laser cladding equipment, adding a related laser cladding command, finishing laser cladding of cobalt-based alloy powder on the surface of the punch base body (1) by combining the rotary fixture (3), the laser cladding head (4) and the powder feeding nozzle (5) in the laser cladding equipment, and forming a cobalt-based alloy strengthening layer (2) on the surface of the punch base body (1) after cladding is finished.
3. The process for manufacturing the small-opening pressure-blown glass mold punch by laser cladding of the cobalt-based alloy powder as claimed in claim 2, wherein the process comprises the following steps: the rotating fixture (3) drives the punch substrate (1) to rotate at a speed of 15-20 mm/sec; and when the punch head base body (1) rotates for one circle, the axial offset of the laser cladding head (4) along the punch head base body (1) is 2.5-3 mm/n.
4. The process for manufacturing the small-opening pressure-blown glass mold punch by laser cladding of the cobalt-based alloy powder as claimed in claim 2, wherein the process comprises the following steps: the cladding process parameters comprise the jet flow of the powder feeding nozzle (5), the powder feeding amount of the powder feeding nozzle (5), the spot diameter of the laser cladding head (4) and the laser power of the laser cladding head (4);
the jet flow rate of the powder feeding nozzle (5) is 8-10 NL/min; the powder feeding amount of the powder feeding nozzle (5) is 16-24 g/min; the diameter of a light spot of the laser cladding head (4) is 1.5-4.5 mm; the laser power of the laser cladding head (4) is 300-2700W.
5. The process for manufacturing the small-opening pressure-blown glass mold punch by laser cladding of the cobalt-based alloy powder as claimed in claim 4, wherein the process comprises the following steps: high-purity argon with the content of 99.999 percent is introduced into the powder feeding nozzle.
6. The process for manufacturing the small-opening pressure-blown glass mold punch by laser cladding of the cobalt-based alloy powder as claimed in claim 2, wherein the process comprises the following steps: in the second step, the punch base body (1) comprises a working section (101), a connecting section (102) and a mounting section (103); and performing laser cladding of cobalt-based alloy powder on the surfaces of the working section (101) and the connecting section (102).
7. The process for manufacturing the small-mouth pressure-blown glass mold punch by laser cladding of the cobalt-based alloy powder as claimed in claim 6, wherein the process comprises the following steps: the cobalt-based alloy strengthening layer (2) and a dilution layer of the punch matrix (1) are controlled to be 0.1-0.15 mm; the thickness of a welding layer of the cobalt-based alloy strengthening layer (2) on the top of the working section (101) is 0.8-1.0 mm, and the thickness of the welding layer of the cobalt-based alloy strengthening layer (2) on the outer wall of the working section (101) is 0.6-0.8 mm.
8. The manufacturing process of laser cladding cobalt-based alloy powder for the small-opening pressure-blown glass mold punch according to claim 1, characterized by comprising the following steps: the punch head base body (1) is made of 8620 steel.
9. The process for manufacturing the small-mouth pressure-blown glass mold punch by laser cladding of the cobalt-based alloy powder as claimed in claim 1, wherein the process comprises the following steps: the granularity of the cobalt-based alloy powder is 150-250 meshes.
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| CN202211288247.9A CN115627389A (en) | 2022-10-20 | 2022-10-20 | Manufacturing process for laser cladding of cobalt-based alloy powder by using small-opening pressure-blowing glass die punch |
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| CN202211288247.9A CN115627389A (en) | 2022-10-20 | 2022-10-20 | Manufacturing process for laser cladding of cobalt-based alloy powder by using small-opening pressure-blowing glass die punch |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102459472A (en) * | 2009-06-30 | 2012-05-16 | 汉普凌柯精密工程有限公司 | Coating composition |
| CN104195546A (en) * | 2014-08-26 | 2014-12-10 | 浙江瑞莱士机械有限公司 | High-hardness cobalt-based alloy powder for laser cladding and preparation technology of high-hardness cobalt-based alloy powder for laser cladding |
| US20200282274A1 (en) * | 2019-03-06 | 2020-09-10 | Karsten Manufacturing Corporation | Co-molded golf putter with integral interlocking features |
| CN113755833A (en) * | 2021-07-01 | 2021-12-07 | 江苏智远激光装备科技有限公司 | Laser cladding nickel-based alloy powder process for copper alloy primary mold glass mold |
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2022
- 2022-10-20 CN CN202211288247.9A patent/CN115627389A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102459472A (en) * | 2009-06-30 | 2012-05-16 | 汉普凌柯精密工程有限公司 | Coating composition |
| CN104195546A (en) * | 2014-08-26 | 2014-12-10 | 浙江瑞莱士机械有限公司 | High-hardness cobalt-based alloy powder for laser cladding and preparation technology of high-hardness cobalt-based alloy powder for laser cladding |
| US20200282274A1 (en) * | 2019-03-06 | 2020-09-10 | Karsten Manufacturing Corporation | Co-molded golf putter with integral interlocking features |
| CN113755833A (en) * | 2021-07-01 | 2021-12-07 | 江苏智远激光装备科技有限公司 | Laser cladding nickel-based alloy powder process for copper alloy primary mold glass mold |
Non-Patent Citations (1)
| Title |
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| 高荣发等: "《机械零件修复新技术》", 中国轻工业出版社, pages: 110 - 111 * |
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