CN105385817A - Universal joint spherical shell normalizing process with cutting performance improving function - Google Patents
Universal joint spherical shell normalizing process with cutting performance improving function Download PDFInfo
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- CN105385817A CN105385817A CN201510766667.7A CN201510766667A CN105385817A CN 105385817 A CN105385817 A CN 105385817A CN 201510766667 A CN201510766667 A CN 201510766667A CN 105385817 A CN105385817 A CN 105385817A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005520 cutting process Methods 0.000 title claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 238000005242 forging Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 10
- 239000011651 chromium Substances 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 10
- 239000011574 phosphorus Substances 0.000 claims abstract description 10
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 10
- 239000010703 silicon Substances 0.000 claims abstract description 10
- 239000010936 titanium Substances 0.000 claims abstract description 10
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 10
- 238000002791 soaking Methods 0.000 claims description 10
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000005864 Sulphur Substances 0.000 claims description 9
- 229910052748 manganese Inorganic materials 0.000 claims description 9
- 239000011572 manganese Substances 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 9
- 238000003754 machining Methods 0.000 abstract description 3
- 238000005255 carburizing Methods 0.000 abstract 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses a universal joint spherical shell normalizing process with the cutting performance improving function. The process includes the following steps that firstly, a carburizing steel material with the specific element composition ratio is selected and used for forging a universal joint spherical shell blank, wherein the blank comprises about 0.20% of carbon, about 0.27% of silicon, about 0.95% of manganese, about 1.15% of chromium, about 0.07% of titanium, not larger than 0.035% of sulfur, not larger than 0.035% of phosphorus, not larger than 0.030% of nickel, not larger than 0.030% of copper and the balance iron; secondly, a workpiece obtained from the first step is put in a furnace, and the temperature is increased to 940 DEG C to 960 DEG C at the constant speed and kept for 2.8 hours to 3.4 hours; and thirdly, the workpiece obtained from the second step is air-cooled and cooled to below 100 DEG C within 6 minutes to 8 minutes. By the adoption of the universal joint spherical shell normalizing process with the cutting performance improving function, the hardness of the normalized universal joint spherical shell workpiece can reach 182 HB to 212 HB and meets the standard, the machining quality is easy to control, and the product performance is good.
Description
Technical field
The present invention relates to a kind of universal joint spherical shell normalizing process improving cutting ability, belong to Car Drive Shaft constant velocity cardan joint product manufacturing technical field.
Background technology
Universal joint is automobile chassis key components and parts, and universal joint and transmission shaft combine, and are called cardan gear; On the vehicle that front engine rear wheel drives, cardan gear is arranged between transmission output shaft and main reducing gear of drive axle input shaft; And the vehicle that front engine, front drives eliminates transmission shaft, universal joint is arranged on not only to be responsible for driving but also to be responsible between the front axle half shaft that turns to and wheel, and its major function is when main drive shaft and driven shaft generation angular travel, can flexible communication power and torque.Constant velocity universal transmission mechanism is generally made up of fixing type equal speed universal joint, sliding constant velocity cardan joint and tunnel shaft.Fixing type equal speed universal joint is installed on wheel side, and sliding constant velocity cardan joint is installed on differential mechanism side, and tunnel shaft is used for universal-joint, plays the effect of transmitting motion and torque.Sliding constant velocity cardan joint comprises overcoat and rolling element, the slip of tunnel shaft and swing, rolling element can be driven to slide and swing, thus transmitting sliding power and torque.
Spherical shell universal joint is a kind of fixing type equal speed universal joint, and it mainly comprises spherical shell is also out star wheel, inner race, ball pin retainer and steel ball.In order to improve the cutting ability of universal joint spherical shell rough forging, so that carry out car, Milling Machining, need to carry out normalizing treatment to universal ball shell workpiece, universal ball shell workpiece normalizing treatment technique conventional in prior art mainly contains two kinds, one is after being heated to 860 DEG C of insulation scheduled times, speed is as cold as 680 DEG C and is incubated for some time again, is then placed in air naturally cooling; Another kind is that after being heated to 960 DEG C of insulation scheduled times, then mist is cold; For the universal ball shell workpiece of unlike material, need to develop specific thermal treatment process, need concrete optimization heat treated temperature, soaking time and the type of cooling.
Summary of the invention
The present invention for the deficiency that prior art exists, provides a kind of universal joint spherical shell normalizing process improving cutting ability, meets actual operation requirements just.
For solving the problem, the technical solution used in the present invention is as follows:
Improve a universal joint spherical shell normalizing process for cutting ability, comprise the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 940 DEG C ~ 960 DEG C, and soaking time is 2.8 hours ~ 3.4 hours;
Step 3, by step 2 obtain workpiece carry out air-cooled, in 6 minutes ~ 8 minutes, be cooled to less than 100 DEG C.
Further preferably, the universal joint spherical shell normalizing process of described raising cutting ability, comprises the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 950 DEG C, and soaking time is 3.2 hours;
Step 3, by step 2 obtain workpiece carry out air-cooled, be cooled to less than 100 DEG C with the speed that V-bar 2 DEG C is per second.
Compared with prior art, implementation result of the present invention is as follows in the present invention:
The universal joint spherical shell normalizing process of raising cutting ability of the present invention, universal ball shell workpiece hardness after normalizing can reach 182HB ~ 212HB, meet the durometer level of 179HB ~ 217HB of car, Milling Machining requirement, processing quality is easy to control, good product performance.
Embodiment
Below in conjunction with specific embodiments content of the present invention is described.
Specific embodiment 1
Improve the universal joint spherical shell normalizing process of cutting ability described in the present embodiment, comprise the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 950 DEG C, and soaking time is 3.2 hours;
Step 3, by step 2 obtain workpiece carry out air-cooled, be cooled to less than 100 DEG C with the speed that V-bar 2 DEG C is per second.
Universal ball shell workpiece hardness after normalizing is 196HB ~ 208HB.
Specific embodiment 2
Improve the universal joint spherical shell normalizing process of cutting ability described in the present embodiment, comprise the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 940 DEG C, and soaking time is 3.4 hours;
Step 3, by step 2 obtain workpiece carry out air-cooled, in 6 minutes ~ 8 minutes, be cooled to less than 100 DEG C.
Universal ball shell workpiece hardness after normalizing is 209HB ~ 212HB.
Specific embodiment 3
Improve the universal joint spherical shell normalizing process of cutting ability described in the present embodiment, comprise the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 960 DEG C, and soaking time is 2.8 hours;
Step 3, by step 2 obtain workpiece carry out air-cooled, in 6 minutes ~ 8 minutes, be cooled to less than 100 DEG C.
Universal ball shell workpiece hardness after normalizing is 182HB ~ 201HB.
Comparative examples 1
Improve the universal joint spherical shell normalizing process of cutting ability described in the present embodiment, comprise the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 950 DEG C, and soaking time is 3 hours;
Step 3, by step 2 obtain workpiece carry out naturally cooling to less than 100 DEG C.
Universal ball shell workpiece hardness after normalizing is 161HB ~ 173HB.
Comparative examples 2
Improve the universal joint spherical shell normalizing process of cutting ability described in the present embodiment, comprise the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 940 DEG C, and soaking time is 3 hours;
Step 3, that the workpiece that step 2 obtains is carried out mist is cold, is cooled to less than 100 DEG C within 6 minutes.
Universal ball shell workpiece hardness after normalizing is 214HB ~ 229HB.
Above content is detailed description made for the present invention in conjunction with specific embodiments, can not assert that the present invention specifically implements to be only limitted to these explanations; For those skilled in the art, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to the scope of protection of the invention.
Claims (2)
1. improve a universal joint spherical shell normalizing process for cutting ability, it is characterized in that, comprise the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 940 DEG C ~ 960 DEG C, and soaking time is 2.8 hours ~ 3.4 hours;
Step 3, by step 2 obtain workpiece carry out air-cooled, in 6 minutes ~ 8 minutes, be cooled to less than 100 DEG C.
2. the universal joint spherical shell normalizing process improving cutting ability as claimed in claim 1, is characterized in that, comprise the following steps:
Step one, select converted steel material forging universal joint spherical shell blank containing following mass percent component: carbon 0.17% ~ 0.23%, silicon 0.17% ~ 0.37%, manganese 0.80% ~ 1.10%, chromium 1.00% ~ 1.30%, titanium 0.04% ~ 0.10%, sulphur is less than or equal to 0.035%, phosphorus is less than or equal to 0.035%, nickel is less than or equal to 0.030%, and copper is less than or equal to 0.030%, balance iron;
Step 2, workpiece shove charge step one obtained at the uniform velocity are warming up to 950 DEG C, and soaking time is 3.2 hours;
Step 3, by step 2 obtain workpiece carry out air-cooled, be cooled to less than 100 DEG C with the speed that V-bar 2 DEG C is per second.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510766667.7A CN105385817A (en) | 2015-11-12 | 2015-11-12 | Universal joint spherical shell normalizing process with cutting performance improving function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510766667.7A CN105385817A (en) | 2015-11-12 | 2015-11-12 | Universal joint spherical shell normalizing process with cutting performance improving function |
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| CN105385817A true CN105385817A (en) | 2016-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058800A (en) * | 2021-10-28 | 2022-02-18 | 万向钱潮股份有限公司 | Heat treatment method of cold extrusion three-pin frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114058800A (en) * | 2021-10-28 | 2022-02-18 | 万向钱潮股份有限公司 | Heat treatment method of cold extrusion three-pin frame |
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