CN114481127A - Cladding process for laser cladding reinforced punch - Google Patents
Cladding process for laser cladding reinforced punch Download PDFInfo
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- CN114481127A CN114481127A CN202210126649.2A CN202210126649A CN114481127A CN 114481127 A CN114481127 A CN 114481127A CN 202210126649 A CN202210126649 A CN 202210126649A CN 114481127 A CN114481127 A CN 114481127A
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- cladding
- punch
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- laser cladding
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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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- 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
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a cladding process for laser cladding reinforced punches, which comprises a punch body and is characterized in that the punch body is divided into a working section, a connecting section and an installation section, wherein the working section is divided into a front working section and a rear working section. The invention provides a cladding process of a laser cladding reinforced punch, which is characterized in that nickel, carbon, silicon and the like with different content ratios are mixed for use, so that the punch has enough toughness, hardness and high-temperature wear resistance and fatigue resistance when in use, and the situations that a surface cladding layer is extruded and deformed and falls off under a high-temperature working condition and is inconvenient to use are avoided; carry out constancy temperature and fixed time's stoving to the alloy powder that laser cladding used through the drying-machine, dispel the steam in the powder, avoid cladding layer's gas pocket to appear, avoid drying temperature to avoid too high, too high drying temperature can lead to the powder oxidation, and oxide in the powder can influence cladding layer's toughness to and laser cladding head and work piece dress contain argon gas in the seal box.
Description
Technical Field
The invention relates to the technical field of laser cladding, in particular to a cladding process of a laser cladding reinforced punch.
Background
In the using process, the seamless pipe with the different diameter at the end part is usually produced by preheating the seamless pipe to be more than 800 ℃, and punching one end of the seamless pipe by a punch to enlarge the diameter of the end part of the seamless pipe.
When the punch punches the pipe orifice, in order to avoid scratching the inner wall of the pipe orifice and too fast abrasion of a punch grinding tool, lubricating grease needs to be sprayed on the surface of a punch die, the punch is in contact with a high-temperature pipe fitting, the temperature of the punch rises, when the lubricating grease is sprayed, the temperature of the lubricating grease is low, the lubricating grease can have a quenching effect on the punch, and the punch can be fatigued in extreme cold and heat, so that the punch is cracked; even if lubricating grease is used for antifriction, the surface of the punch is abraded and oxidized when the punch is in a high-temperature frictional wear state, the punch is scrapped when the abrasion and the oxidation reach a certain degree, the service life is short usually, the punch needs to be replaced frequently, the replaced punch loses the original use value and cannot be reused, and resource waste is caused.
In conclusion, the problems of short service life and resource waste caused by punch cracking and larger difference of working temperature due to overhigh and overlow contact high temperature and low temperature of the punch in the use process are to be solved.
Disclosure of Invention
The invention aims to provide a cladding process for a laser cladding reinforced punch, which solves the problems that the punch cracks, the service life is short and resources are wasted due to the fact that the punch is too high in contact high temperature and too low in contact low temperature and the difference of working temperatures is large in the using process.
In order to achieve the above purpose, the invention provides the following technical scheme: a cladding process for a laser cladding reinforced punch comprises a punch body and is characterized in that the punch body is divided into a working section, a connecting section and an installation section, wherein the working section is divided into a front working section and a rear working section.
Preferably, the cladding process of the punch comprises the following steps:
the method comprises the following steps: selecting for standby: a punch base is selected and machined into a plurality of punch bodies.
Step two: mixing cladding materials: 0.05 percent of C, 0.5 to 0.8 percent of Si, 0.8 to 1.2 percent of Mn, 0.6 to 1 percent of Mo, 13 to 15 percent of Cr, 10 to 15 percent of W, 8 to 10 percent of Ni, 1 percent of Fe and the balance of Co.
Step three: laser cladding: and carrying out laser cladding on the working section of the punch.
Preferably, in the third step, the laser cladding step is:
1, preheating and drying the punch body;
2, drying the alloy powder mixed in the second step;
3, cladding by adopting an all-solid-state fiber coupled laser;
and 4, sealing the laser cladding head and the workpiece.
Preferably, in the first step, the punch base body is selected from American standard H13 material.
Preferably, in the second step, the cladding material is in the form of powder, the particle size of the powder is 150-270 meshes, and the contents of oxygen, nitrogen and hydrogen are all lower than 1000 ppm.
Preferably, in the second step, the carbon content in the cladding material is lower than 0.05%; the silicon content is 0.5-0.8%; the manganese content is 0.8-1%; the content of molybdenum is 0.6-1%; the nickel content is 8-10%.
Preferably, in the third step, the preheating temperature of the punch body is 80-100 ℃; drying the mixed cladding material at 80 ℃ for 3 hours; the sealed box contains argon.
Preferably, in the third step, the power of the all-solid-state fiber coupled laser is 2000W-2500W, the focal length is 270-300mm, the laser spot head is square, the scanning speed is 9-12mm/s, and the lap joint rate is 30-35%.
In the technical scheme, the invention has the following beneficial effects:
the method is characterized in that nickel, carbon, silicon and the like in different content ratios are mixed for use, so that the fatigue resistance of the surface cladding layer is ensured to have enough toughness, hardness and high-temperature wear resistance when in use, and the condition that the surface cladding layer is extruded and deformed and falls off under the high-temperature working condition and is inconvenient to use is avoided.
Two, carry out constancy temperature and fixed time's stoving through the drying-machine to the alloy powder that laser cladding used, dispel the steam in the powder, avoid cladding layer's gas pocket to appear, avoid drying temperature to avoid too high, too high drying temperature can lead to the powder oxidation, and oxide in the powder can influence cladding layer's toughness to and laser cladding head and work piece dress are in the seal box, adopt argon gas to protect, avoid in the laser cladding in-process, cladding layer's oxidation.
Thirdly, by selecting a laser with proper power, the cladding material powder is fully melted, so that the silicon element in the material and a small amount of oxide skin in the material generate deoxidation reaction, the cladding layer and the matrix have good bonding strength, the phenomenon that the power is too low, the cladding material is not fully melted, the bonding strength of the cladding layer and the matrix is low, and the edge of the cladding layer and the matrix fall off blocks in the using process is avoided; or the power is too high, the matrix is melted too much, the dilution rate of the cladding layer is high, the punch head is easy to deform under the high-power laser cladding, the cladding work is not facilitated, the parts are scrapped, resources are wasted, and the cladding efficiency is also influenced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a punch body according to an embodiment of the present invention.
Description of reference numerals:
1. a front working section; 2. a rear working section; 3. a connecting section; 4. installation section, 10, drift body.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in the figure, the cladding process for laser cladding reinforced punch comprises a punch body 10 and is characterized in that the punch body 10 is divided into a working section, a connecting section 3 and a mounting section 4, wherein the working section is divided into a front working section 1 and a rear working section 2.
The cladding process of the punch comprises the following steps:
the method comprises the following steps: selecting for standby: a punch base is selected and machined into a plurality of punch bodies.
Step two: mixing cladding materials: 0.05 percent of C, 0.5 to 0.8 percent of Si, 0.8 to 1.2 percent of Mn, 0.6 to 1 percent of Mo, 13 to 15 percent of Cr, 10 to 15 percent of W, 8 to 10 percent of Ni, 1 percent of Fe and the balance of Co.
Step three: laser cladding: and carrying out laser cladding on the working section of the punch.
In the third step, the laser cladding step is as follows:
1, preheating and drying the punch body;
2, drying the alloy powder mixed in the second step;
3, cladding by adopting an all-solid-state fiber coupled laser;
and 4, sealing the laser cladding head and the workpiece.
In the first step, a punch substrate selected for cladding is made of American standard H13 material, American standard H13 material is used as the punch substrate, the punch substrate is machined into a punch body 10, the specific structure of the punch body 10 is shown in FIG. 1, and a plurality of punch bodies 10 are placed for processing at the cladding stage.
In the second step, the cladding material adopts a powder form, the particle size of the powder is 150-270 meshes, and the contents of oxygen, nitrogen and hydrogen are all lower than 1000 ppm.
In the second step, the carbon content in the cladding material is lower than 0.05 percent; the silicon content is 0.5-0.8%; the manganese content is 0.8-1%; the content of molybdenum is 0.6-1%; the nickel content is 8-10%. The carbon content is lower than 0.05 percent to ensure enough toughness and avoid cracking caused by low toughness in the using process; the silicon content is 0.5-0.8%, and the deoxidation can be performed; 0.8-1% of manganese enables the material to play a role in extrusion hardening in the using process, so as to ensure that the surface hardness of the material is improved in the using process of the punch; the high-temperature wear resistance of the material is effectively improved by 0.6-1% of molybdenum, the high-temperature fatigue resistance and the tensile strength are good, and the extrusion deformation and the falling off of the surface cladding layer under the high-temperature working condition are avoided; 8-10% of nickel is the main element for ensuring the toughness of the coating.
In the third step, the part for carrying out laser cladding is a punch working section, as shown in the figure, namely the outer circular surfaces of the front working section 1 and the rear working section 2 are subjected to laser cladding;
when laser cladding is carried out, the outer circular surfaces of the front working section 1 and the rear working section 2 are directly placed, and the preheating temperature of the punch body 10 needs to be stabilized within the range of 80-100 ℃; the temperature for drying the mixed cladding material is 80 ℃, and the drying time is 3 hours;
drying alloy powder used for laser cladding by using a dryer at the temperature of about 80 ℃ for 3 hours, mainly drying water vapor in the powder to avoid pores of a cladding layer, and avoiding overhigh drying temperature which can cause oxidation of the powder and influence the toughness of the cladding layer by oxides in the powder; the laser cladding head and the workpiece are arranged in a sealed box and protected by argon gas, so that the oxidation of a cladding layer in the laser cladding process is avoided,
the argon gas is contained in the sealed box used for storing the laser cladding head and loading the workpiece, and the argon gas is used for protection, so that the inconvenient influence caused by the oxidation of a cladding layer in the laser cladding process and subsequent use is avoided.
In the third step, the power of the all-solid-state fiber coupled laser is 2000W-2500W, the focal length is 270-300mm, the laser spot head is square, the scanning speed is 9-12mm/s, and the lap joint rate is 30-35 percent; adopting an all-solid-state fiber coupled laser, wherein the power is 2000W-2500W, the focal length is 270-; the laser with the laser power of 2000W-2500W is selected because the power in the range can not only fully melt the cladding material powder, so that the silicon element in the material and a small amount of oxide skin in the material generate deoxidation reaction, but also can ensure that the cladding layer and the matrix have good bonding strength.
For the use of a laser, if the power is too low, the melting of the cladding material is insufficient, the bonding strength of the cladding layer and the substrate is low, and the edge can fall off during the use process; if the power is too high, the matrix is excessively melted, the dilution rate of the cladding layer is high, the punch is easy to deform under the high-power laser cladding, the cladding work is not facilitated, parts are scrapped, resources are wasted, and the cladding efficiency is influenced.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The cladding process for the laser cladding reinforced punch comprises a punch body (10) and is characterized in that the punch body (10) is divided into a working section, a connecting section (3) and a mounting section (4), wherein the working section is divided into a front working section (1) and a rear working section (2).
2. The cladding process of the laser cladding reinforced punch according to claim 1, wherein the cladding process of the punch comprises the following steps:
the method comprises the following steps: selecting for standby: selecting a punch base and processing into a plurality of punch bodies (10):
step two: mixing cladding materials: 0.05 percent of C, 0.5 to 0.8 percent of Si, 0.8 to 1.2 percent of Mn, 0.6 to 1 percent of Mo, 13 to 15 percent of Cr, 10 to 15 percent of W, 8 to 10 percent of Ni, 1 percent of Fe and the balance of Co;
step three: laser cladding: and carrying out laser cladding on the working section of the punch.
3. The cladding process of the laser cladding reinforced punch according to claim 2, wherein in the third step, the laser cladding step is as follows:
1, preheating and drying the punch body;
2, drying the alloy powder mixed in the second step;
3, cladding by adopting an all-solid-state fiber coupled laser;
and 4, sealing the laser cladding head and the workpiece.
4. The cladding process of the laser cladding reinforced punch as claimed in claim 2, wherein in the first step, the punch substrate is a American standard H13 material.
5. The cladding process of the laser cladding reinforced punch as claimed in claim 1, wherein in the second step, the cladding material is in the form of powder, the particle size of the powder is 150-270 mesh, and the contents of oxygen, nitrogen and hydrogen are all lower than 1000 ppm.
6. The cladding process of the laser cladding reinforced punch according to claim 2, wherein in step two, the carbon content in the cladding material is lower than 0.05%; the silicon content is 0.5-0.8%; the manganese content is 0.8-1%; the content of molybdenum is 0.6-1%; the nickel content is 8-10%.
7. The cladding process of the laser cladding reinforced punch according to claim 3, wherein in the third step, the preheating temperature of the punch body (10) is 80-100 ℃; drying the mixed cladding material at 80 ℃ for 3 hours; the sealed box contains argon.
8. The cladding process of the laser cladding reinforced punch as claimed in claim 3, wherein in the third step, the power of the all-solid-state fiber coupled laser is 2000W-2500W, the focal length is 270-300mm, the laser spot head is square, the scanning speed is 9-12mm/s, and the lap joint rate is 30-35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210126649.2A CN114481127A (en) | 2022-02-10 | 2022-02-10 | Cladding process for laser cladding reinforced punch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210126649.2A CN114481127A (en) | 2022-02-10 | 2022-02-10 | Cladding process for laser cladding reinforced punch |
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| CN114481127A true CN114481127A (en) | 2022-05-13 |
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| CN202210126649.2A Withdrawn CN114481127A (en) | 2022-02-10 | 2022-02-10 | Cladding process for laser cladding reinforced punch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115261850A (en) * | 2022-08-05 | 2022-11-01 | 沈阳大陆激光先进制造技术创新有限公司 | Laser cladding material for non-oxidation heat treatment furnace and manufacturing method |
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| CN102912189A (en) * | 2012-11-15 | 2013-02-06 | 江苏新亚特钢锻造有限公司 | Laser-cladding cobalt-based alloy powder and method for preparing same |
| CN103498146A (en) * | 2013-09-05 | 2014-01-08 | 江苏翌煜能源科技发展有限公司 | Laser cladding method for surface of T-shaped punch |
| CN203470797U (en) * | 2013-07-19 | 2014-03-12 | 上海海隆石油钻具有限公司 | Assembly type thickened punch die |
| CN103911612A (en) * | 2014-04-25 | 2014-07-09 | 山东大学 | Cr12MoV cold stamping mold laser repair technology using cobalt-based tungsten carbide as fusion covering alloy |
| CN104789960A (en) * | 2015-03-10 | 2015-07-22 | 内蒙古北方重工业集团有限公司 | Perforation needle with laser cladded cobalt based high chromium high tungsten alloy powder on surface and preparation method |
| CN207479317U (en) * | 2017-12-02 | 2018-06-12 | 东莞市渝松五金有限公司 | A kind of upper ring punching die lamps structure |
| CN110629219A (en) * | 2019-07-24 | 2019-12-31 | 爱柯迪股份有限公司 | Injection punch laser cladding process |
| CN113832459A (en) * | 2021-07-20 | 2021-12-24 | 江苏智远激光装备科技有限公司 | Laser cladding process of nickel-based tungsten carbide alloy powder for alloy steel punch glass die |
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2022
- 2022-02-10 CN CN202210126649.2A patent/CN114481127A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201979468U (en) * | 2011-03-14 | 2011-09-21 | 沈阳飞机工业（集团）有限公司 | Disassembling punch for blind rivet |
| CN102732878A (en) * | 2012-07-18 | 2012-10-17 | 丹阳宏图激光科技有限公司 | Laser strengthening process of piercing point |
| CN102912189A (en) * | 2012-11-15 | 2013-02-06 | 江苏新亚特钢锻造有限公司 | Laser-cladding cobalt-based alloy powder and method for preparing same |
| CN203470797U (en) * | 2013-07-19 | 2014-03-12 | 上海海隆石油钻具有限公司 | Assembly type thickened punch die |
| CN103498146A (en) * | 2013-09-05 | 2014-01-08 | 江苏翌煜能源科技发展有限公司 | Laser cladding method for surface of T-shaped punch |
| CN103911612A (en) * | 2014-04-25 | 2014-07-09 | 山东大学 | Cr12MoV cold stamping mold laser repair technology using cobalt-based tungsten carbide as fusion covering alloy |
| CN104789960A (en) * | 2015-03-10 | 2015-07-22 | 内蒙古北方重工业集团有限公司 | Perforation needle with laser cladded cobalt based high chromium high tungsten alloy powder on surface and preparation method |
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| CN110629219A (en) * | 2019-07-24 | 2019-12-31 | 爱柯迪股份有限公司 | Injection punch laser cladding process |
| CN113832459A (en) * | 2021-07-20 | 2021-12-24 | 江苏智远激光装备科技有限公司 | Laser cladding process of nickel-based tungsten carbide alloy powder for alloy steel punch glass die |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115261850A (en) * | 2022-08-05 | 2022-11-01 | 沈阳大陆激光先进制造技术创新有限公司 | Laser cladding material for non-oxidation heat treatment furnace and manufacturing method |
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Application publication date: 20220513 |