CN114473888A - Honing strip metal bonding agent composed of pre-alloyed powder - Google Patents
Honing strip metal bonding agent composed of pre-alloyed powder Download PDFInfo
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- CN114473888A CN114473888A CN202210090820.9A CN202210090820A CN114473888A CN 114473888 A CN114473888 A CN 114473888A CN 202210090820 A CN202210090820 A CN 202210090820A CN 114473888 A CN114473888 A CN 114473888A
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- powder
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- bonding agent
- abrasive
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- 239000000843 powder Substances 0.000 title claims abstract description 46
- 239000007767 bonding agent Substances 0.000 title claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 title claims abstract description 36
- 238000005245 sintering Methods 0.000 claims abstract description 26
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 19
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 15
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 15
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 21
- 238000007731 hot pressing Methods 0.000 claims description 16
- 239000003082 abrasive agent Substances 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 8
- 239000010432 diamond Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 238000000227 grinding Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000915 Free machining steel Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
- B24D3/10—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/346—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties utilised during polishing, or grinding operation
Abstract
The invention discloses a honing strip metal bond consisting of pre-alloyed powder and a honing strip prepared from the same, wherein the honing strip metal bond comprises the following raw materials in percentage by weight: 75-80% of copper-tin pre-alloy powder, 5-8% of silver powder, 5-8% of aluminum powder, 4-6% of cobalt powder and 4-6% of zinc powder. The honing stick metal bonding agent consists of copper-tin pre-alloy powder, silver powder, aluminum powder, cobalt powder and zinc powder in a specific ratio; the honing strip prepared by the bonding agent and the abrasive according to a certain proportion under the control of a specific sintering temperature has long service life and good stability of parameters of a processed workpiece, and the problems that the honing strip is easy to deform in size, the processed workpiece is unstable in size and the service life is short due to the fact that the bonding agent consisting of simple substance metal powder is adopted in the prior art are solved.
Description
Technical Field
The invention relates to a honing strip metal bonding agent, in particular to a honing strip metal bonding agent consisting of pre-alloyed powder.
Background
The honing strip is a strip-shaped bonded abrasive tool made of abrasive materials, bonding agents and the like, and is embedded on a honing head to carry out finishing processing on a finish processing surface. The binding agent is used for binding a plurality of fine abrasive particles together, so that the grinding tool has a certain shape and necessary strength, the abrasive particles can cut a workpiece under the support of the binding agent during grinding, when the abrasive particles are dull, the abrasive particles can also be cracked or shed in time to expose new abrasive particles for continuous work, the good cutting performance of the honing strip is kept, and the honing strip binding agent has an important function in the aspect of keeping the performance of the honing strip.
Chinese patent CN102229097A discloses a honing strip, which is made of a binder and an abrasive, wherein the binder is composed of the following raw materials by volume percentage: 5-15% of zinc powder, 30-60% of cobalt powder, 10-35% of copper powder and 15-30% of silver powder; the grinding material is self-sharpening artificial diamond particles plated with a Ni coating, the granularity is D76-D181, and the content of the grinding material is 3-15% of the volume of the binder; however, in machining a workpiece of free-cutting steel material (11SMnPb30+ C), the roughness requires: rz2, surface hardness: 70HRB Min, the rotating speed is 5000r/Min, the honing strip made of metal bonding agent consisting of simple substance metal powder is easy to deform in size, the size of a processed workpiece is unstable, and the service life of the honing strip is short.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a honing strip metallic bond consisting of prealloyed powder and a honing strip prepared by the same, and solves the problems that the honing strip made of the bond consisting of metal simple substance powder in the prior art is easy to deform in size, unstable in size of a processed workpiece and short in service life.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a honing stick metal bond consisting of prealloyed powder, said metal bond comprising the following components: copper-tin prealloying powder, silver powder, aluminum powder, cobalt powder and zinc powder;
the metal bonding agent comprises the following components in percentage by weight: 75-80% of copper-tin pre-alloy powder, 5-8% of silver powder, 5-8% of aluminum powder, 4-6% of cobalt powder and 4-6% of zinc powder;
preferably, the metal bonding agent comprises the following components in percentage by weight: 77% of copper-tin pre-alloy powder, 7% of silver powder, 6% of aluminum powder, 5% of cobalt powder and 5% of zinc powder;
preferably, the copper-tin prealloy powder is Cu90Sn 10;
the honing strip comprises the honing strip metal bond consisting of the prealloyed powder and an abrasive; the content of the abrasive is 6.25% -25% of the volume of the bonding agent;
preferably, the abrasive content is 18.75% by volume of the binder;
preferably, the abrasive is diamond or CBN;
preferably, the particle size of the abrasive is in the range of 200 mesh to 1000 mesh;
preferably, the abrasive has a particle size of 800 mesh;
the honing strip manufacturing process is characterized in that the bonding agent and the grinding material are uniformly mixed in proportion and then are formed by adopting a hot-pressing sintering process, and the hot-pressing sintering process specifically comprises the following steps:
(1) a temperature raising and pressure raising stage I: controlling the temperature rise speed, and raising the temperature to 400 ℃ within 5.5min, wherein the pressure reaches 77 KN;
(2) and a temperature raising and pressure raising stage II: controlling the temperature rise speed, and raising the temperature to 830 ℃ within 6.5min, wherein the pressure reaches 77 KN;
(3) and (3) a heat preservation constant pressure stage: keeping the temperature for 14min, keeping the temperature at 830 ℃, and keeping the pressure at 77 KN;
(4) and (3) cooling: within 3min, cooling to 400 ℃, and keeping the pressure at 77 KN.
The invention has the advantages of
The invention provides a honing strip metal bonding agent consisting of pre-alloyed powder; the binding agent consists of copper-tin prealloy powder, silver powder, aluminum powder, cobalt powder and zinc powder in a specific ratio; the honing strip prepared by the bonding agent and the abrasive according to a certain proportion under the control of a specific sintering temperature has long service life and good stability of parameters of a processed workpiece, and the problems that the honing strip is easy to deform in size, the processed workpiece is unstable in size and the service life is short due to the fact that the bonding agent consisting of simple substance metal powder is adopted in the prior art are solved.
Drawings
Fig. 1 is a drawing of a pressing and sintering process of a honing stick according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The methods described in the examples are conventional methods unless otherwise specified, and the starting materials, if not specified, are commercially available; while the following examples are illustrative of the invention, they are not to be construed as limiting the scope of the invention.
Example 1
The honing stick metal bonding agent consists of prealloyed powder, and comprises the following raw materials in percentage by weight: 75% of copper-tin prealloying powder, 7% of silver powder, 8% of aluminum powder, 5% of cobalt powder and 5% of zinc powder; the copper-tin pre-alloy powder is Cu90Sn 10;
the honing strip comprises the honing strip metal bond consisting of the prealloyed powder and an abrasive; the content of the abrasive is 18.75 percent of the volume of the bonding agent, namely the abrasive concentration is 50 percent;
preferably, the abrasive is diamond;
preferably, the abrasive has a particle size of 800 mesh;
the honing strip manufacturing process comprises the following steps of uniformly mixing the bonding agent and the abrasive material in proportion, placing the mixture in a mold, and forming the mixture by adopting a hot-pressing sintering process, wherein the hot-pressing sintering process specifically comprises the following steps:
(1) a temperature raising and pressure raising stage I: controlling the temperature rise speed, and raising the temperature to 400 ℃ within 5.5min, wherein the pressure reaches 77 KN;
(2) and a temperature raising and pressure raising stage II: controlling the temperature rise speed, and raising the temperature to 830 ℃ within 6.5min, wherein the pressure reaches 77 KN;
(3) and (3) a heat preservation constant pressure stage: keeping the temperature for 14min, keeping the temperature at 830 ℃, and keeping the pressure at 77 KN;
(4) and (3) cooling: within 3min, cooling to 400 ℃, and keeping the pressure at 77 KN.
Example 2
The honing strip metal bonding agent consists of copper-tin prealloying powder 77 wt%, silver powder 7 wt%, aluminum powder 6 wt%, cobalt powder 5 wt% and zinc powder 5 wt%;
preferably, the copper-tin prealloy powder is Cu90Sn 10;
the honing strip comprises the honing strip metal bond consisting of the prealloyed powder and abrasive, wherein the abrasive content is 18.75% of the volume of the bond; namely, the abrasive concentration is 50%;
preferably, the abrasive is diamond;
preferably, the abrasive has a particle size of 800 mesh;
the honing strip manufacturing process comprises the steps of uniformly mixing the bonding agent and the abrasive material in proportion, placing the mixture into a die, and molding by adopting a hot-pressing sintering process, wherein the hot-pressing sintering process is the same as the step in the embodiment 1.
Example 3
The honing stick metal bonding agent consists of prealloyed powder, and comprises the following raw materials in percentage by weight: 77% of copper-tin pre-alloy powder, 7% of silver powder, 8% of aluminum powder, 4% of cobalt powder and 4% of zinc powder;
preferably, the copper-tin prealloy powder is Cu90Sn 10;
the honing strip comprises the honing strip metal bond consisting of the prealloyed powder and an abrasive; the content of the abrasive is 18.75 percent of the volume of the bonding agent; namely, the abrasive concentration is 50%;
preferably, the abrasive is diamond;
preferably, the abrasive has a particle size of 800 mesh;
the honing strip manufacturing process comprises the steps of uniformly mixing the bonding agent and the abrasive material in proportion, placing the mixture into a die, and molding by adopting a hot-pressing sintering process, wherein the specific steps of the hot-pressing sintering process are the same as those of the embodiment 1.
Example 4
The honing stick metal bonding agent consists of prealloyed powder, and comprises the following raw materials in percentage by weight: 80% of copper-tin prealloying powder, 5% of silver powder, 5% of aluminum powder, 5% of cobalt powder and 5% of zinc powder;
preferably, the copper-tin prealloy powder is Cu90Sn 10;
the honing strip comprises the honing strip metal bond consisting of the prealloyed powder and abrasive, wherein the abrasive content is 18.75% of the volume of the bond; namely, the abrasive concentration is 50%;
preferably, the abrasive is diamond;
preferably, the abrasive has a particle size of 800 mesh;
the honing strip manufacturing process is characterized in that the bonding agent and the abrasive are uniformly mixed in proportion and then are molded by adopting a hot-pressing sintering process, and the hot-pressing sintering process has the same specific steps as in example 1.
Comparative example 1
The honing strip metal bonding agent consists of metal powder, and consists of the following raw materials in percentage by weight: 69.3 percent of copper powder, 7.7 percent of tin powder, 5 percent of silver powder, 5 percent of aluminum powder, 5 percent of cobalt powder and 5 percent of zinc powder;
the honing strip comprises a honing strip metal bonding agent consisting of the metal powder and an abrasive, wherein the abrasive content is 18.75% of the volume of the bonding agent; namely, the abrasive concentration is 50%;
preferably, the abrasive is diamond;
preferably, the abrasive has a particle size of 800 mesh;
the honing strip manufacturing process is characterized in that the bonding agent and the abrasive are uniformly mixed in proportion and then are molded by adopting a hot-pressing sintering process, and the hot-pressing sintering process has the same specific steps as in example 1.
Comparative example 2
The influence of the sintering temperature of the honing strip on the performance of the honing strip is explored
The constituent raw materials of the honing strip of the embodiment 2 of the invention and the constituent raw materials of the honing strip of the comparative example 1 are respectively placed in a mould to be formed by adopting a hot-pressing sintering process, the specific hot-pressing sintering process steps are the same as the embodiment 1, the temperature of the heat preservation and pressure maintaining stage of the step (3) in the sintering process is respectively controlled to be 790 ℃, 810 ℃, 830 ℃ and 850 ℃ to perform sintering and pressing forming on the honing strip, the honing strip after being fired and formed is respectively subjected to an abradability test, and when each group of honing strips are subjected to the abradability test, the set machine tool parameters, the granularity of a grinding wheel and other related data are kept consistent; calculating the abrasion loss of the honing strip, wherein the abrasion loss is the size before abrasion-the size after abrasion and is in unit mm; the results are shown in Table 1.
Table 1.
As can be seen from the data in table 1, the honing sticks composed of the raw materials described in example 2 and comparative example 1 of the present invention obtained the lowest amount of wear at the sintering temperature of 830 c, and the low amount of wear at the sintering temperature indicated that the hardness of the honing stick was high, the holding force was strong, and the longer life of the honing stick was further maintained, so the present application controlled the sintering temperature to 830 c.
Meanwhile, the abrasion amount of the honing stick composed of the raw material of example 2 was lower than that of the honing stick composed of the comparative example 1 at various sintering temperatures, and thus, it was demonstrated that the honing stick of the present invention including the honing stick bonding agent composed of the pre-alloyed powder had higher hardness and longer life than the honing stick including the honing stick bonding agent composed of the metal powder.
Honing strip processability test
The honing sticks prepared in the embodiment 2 and the comparative example 1 of the invention are subjected to an abradability test, and relevant factor data such as machine tool parameters, grinding wheel granularity and the like are set to be consistent.
The honing sticks prepared in example 2 and comparative example 1 of the present invention were installed in a honing machine for honing experiments, and were used for machining a workpiece made of free-cutting steel (11SMnPb30+ C) (roughness requirement: Rz2, surface hardness: 70HRB Min, rotation speed 5000 r/Min;)
Roughness values of the workpieces obtained after repeating 16 pieces of the workpieces by using the honing sticks obtained by the preparation of example 2 of the present invention and comparative example 1, and the number of pieces of the workpieces that can be repeatedly processed are shown in table 2.
Table 2.
In order to meet the requirement of a client on stable roughness Rz2 of the machined workpiece, the roughness of the machined workpiece of the honing strip obtained by the embodiment of the invention is controlled to be an optimal value of 1.2-1.85; as can be seen from the data in Table 2, the roughness values of the honing stick processing workpieces processed by the honing stick using the prealloyed powder as the bonding agent in the embodiment 2 of the invention are completely in the range of 1.2-1.85, while the roughness values of the honing stick processing workpieces processed by the honing stick using the metal powder as the bonding agent in the comparative example 1 are mostly out of the range, so that the stability is poor and the requirements of customers cannot be met;
meanwhile, the honing stick prepared in the embodiment 2 can repeatedly process 9200 workpieces, which is higher than 6000 workpieces processed in the comparative example 1; the honing stone obtained in the embodiment 2 of the invention is not easy to deform and has longer service life.
In summary, when the honing stick obtained by the embodiment of the invention is used for processing a workpiece, the stability of the parameters of the processed workpiece is good, and the processing precision and the roughness can completely meet the use requirements of customers, while when the honing stick obtained by the comparative example 1 is used for processing the workpiece, the size of the honing stick is easy to deform, so that the size of the processed workpiece is unstable, and the service life of the honing stick is short; the honing strip prepared by the embodiment of the invention has the advantages that the service life, the processing precision and the roughness can replace similar products.
Finally, the above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any simple changes or equivalent substitutions of technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are within the scope of the present invention.
Claims (10)
1. A honing stick metal bond consisting of prealloyed powder, characterized in that the metal bond comprises the following components: copper-tin prealloying powder, silver powder, aluminum powder, cobalt powder and zinc powder.
2. The honing stick metallic bond of claim 1, wherein the metallic bond comprises the following components in percentage by weight: 75-80% of copper-tin pre-alloy powder, 5-8% of silver powder, 5-8% of aluminum powder, 4-6% of cobalt powder and 4-6% of zinc powder.
3. The honing stick metallic bond of claim 1, wherein the metallic bond comprises the following components in percentage by weight: 77% of copper-tin pre-alloy powder, 7% of silver powder, 6% of aluminum powder, 5% of cobalt powder and 5% of zinc powder.
4. The honing stick metal bonding agent of claim 1, wherein the copper-tin prealloyed powder is Cu90Sn 10.
5. A honing stick, comprising a honing stick metal bond consisting of prealloyed powder according to any of claims 1-4 and an abrasive; the content of the abrasive is 6.25-25% of the volume of the bonding agent.
6. The honing stick of claim 5, wherein said abrasive material is present in an amount of 18.75% by volume of the bonding agent.
7. The honing stick of claim 5, where in the abrasive material is diamond or CBN.
8. The honing stick of claim 5, wherein said abrasive has a grit size in the range of 200 mesh to 1000 mesh.
9. The honing stick of claim 8, wherein said abrasive material has a grit size of 800 mesh.
10. The process for manufacturing the honing stone of claim 5, wherein the bonding agent and the abrasive material are mixed uniformly in proportion and then formed by a hot pressing sintering process, wherein the hot pressing sintering process comprises the following steps:
(1) a temperature raising and pressure raising stage I: controlling the temperature rise speed, and raising the temperature to 400 ℃ within 5.5min, wherein the pressure reaches 77 KN;
(2) and a temperature raising and pressure raising stage II: controlling the temperature rise speed, and raising the temperature to 830 ℃ within 6.5min, wherein the pressure reaches 77 KN;
(3) and (3) a heat preservation constant pressure stage: keeping the temperature for 14min, keeping the temperature at 830 ℃, and keeping the pressure at 77 KN;
(4) and (3) cooling: within 3min, cooling to 400 ℃, and keeping the pressure at 77 KN.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210090820.9A CN114473888A (en) | 2022-01-26 | 2022-01-26 | Honing strip metal bonding agent composed of pre-alloyed powder |
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| CN202210090820.9A CN114473888A (en) | 2022-01-26 | 2022-01-26 | Honing strip metal bonding agent composed of pre-alloyed powder |
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