CN107326255A - A kind of preparation method of hay mover cutting head - Google Patents
A kind of preparation method of hay mover cutting head Download PDFInfo
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- CN107326255A CN107326255A CN201710554545.0A CN201710554545A CN107326255A CN 107326255 A CN107326255 A CN 107326255A CN 201710554545 A CN201710554545 A CN 201710554545A CN 107326255 A CN107326255 A CN 107326255A
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- cutting head
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- bottom steel
- hay mover
- steel blank
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- 238000005520 cutting process Methods 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 238000002844 melting Methods 0.000 claims abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 21
- 238000003723 Smelting Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000005255 carburizing Methods 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 239000011261 inert gas Substances 0.000 claims abstract description 13
- 238000010791 quenching Methods 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 238000000227 grinding Methods 0.000 claims abstract description 6
- 238000007670 refining Methods 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 10
- 238000007872 degassing Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 125000001340 2-chloroethyl group Chemical class [H]C([H])(Cl)C([H])([H])* 0.000 claims 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000011701 zinc Substances 0.000 abstract description 6
- 238000005496 tempering Methods 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052725 zinc Inorganic materials 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000011572 manganese Substances 0.000 description 6
- 229910000617 Mangalloy Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- ZBZJXHCVGLJWFG-UHFFFAOYSA-N trichloromethyl(.) Chemical group Cl[C](Cl)Cl ZBZJXHCVGLJWFG-UHFFFAOYSA-N 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/40—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C18/00—Alloys based on zinc
-
- 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
- C22C38/007—Ferrous alloys, e.g. steel alloys containing silver
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of preparation method of hay mover cutting head, comprise the following steps：S1：Take bottom steel raw material to be placed in melting in smelting furnace, melting liquid is made；S2：Logical inert gas, and under inert gas shielding plus refining agent, then cast, carburizing, grade quench, tempering, cutting head bottom steel blank is made；S3：Grinding and buffing processing is carried out to cutting head bottom steel blank, then composite using zinc as primary raw material is sprayed in blank surface, is then heated up, is incubated and program cools and produces cutting head finished product.The preparation method of hay mover cutting head proposed by the present invention, preparation method rational technology, the cutting head anti-wear performance and good heat conductivity of preparation, hardness are big, and not easy to wear in use, service life is long, and dynamic balance stability in use, are not susceptible to deformation.
Description
Technical field
The present invention relates to technical field of agricultural mechanical equipment, more particularly to a kind of preparation method of hay mover cutting head.
Background technology
Hay mover is also known as weeder, grass mower, lawn mower etc..Hay mover be it is a kind of be used to cutting the grass on a lawn, vegetation etc.
Machine tool, the front end of hay mover, which is provided with, cuts off lawn, the cutting head of vegetation, and cutting head is carried out under the drive of engine
Run at high speed, and then play fly-cutting lawn, the operation of vegetation, its cutting efficiency improves 8~10 times, and light than manpower weeding
Sliding cutting head seedling-damaging ratio is low, and except seedling clean rate is high, the main material of existing hay mover cutting head is manganese steel, but manganese steel master
The failure mode wanted is attrition, and existing manganese steel is with the cutting head of hay mover, with lawn, the contact frequency of vegetation
Height, the long time running of hay mover can make the manganese steel loss of cutting head surface, cutting head surface occur invisible small recessed
Even there is macroscopic abrasion in groove, in turn results in the passivation of cutting head, and cutting of the influence cutting head to lawn, vegetation is imitated
Really, there is powerless, the high phenomenon of seedling-damaging ratio of mowing, sometimes due to cutting head touches harder material during being mowed on ground, lead
The cutting head flexural deformation for causing manganese steel to be made, makes hay mover lose dynamic balancing, occurs the phenomenon acutely shaken, and then influence cutting
Effect.
The deficiency existed based on above-mentioned existing cutting head, the present invention proposes a kind of superior hay mover cutting head of anti-wear performance
Preparation method.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of hay mover cutting head proposed
Preparation method.
A kind of preparation method of hay mover cutting head, comprises the following steps：
S1：The preparation of melting liquid, according to following bottom steel raw material weight percentage：C 1.05~1.15, Mn 14~
17, Si 0.10~0.25, Cr 0.15~0.35, Ag 0.10~0.25, Cu 0.10~0.25, Ni 0.20~0.25, Mo
0.10~0.25, S 0.01~0.03, P 0.01~0.03, surplus Fe, carry out feeding, and each raw material is added in smelting furnace
Melting is carried out, smelting temperature is 1600~1800 DEG C, after stirring 20~30min after all fusings, produces melting liquid；
S2：The preparation of cutting head bottom steel blank, is continually fed into 20~30min of inert gas into smelting furnace, and
In the presence of inert gas shielding, refining agent is added, 10~20min is reacted, is then cooled to 1200~1400 DEG C, insulation 10~
15min, that is, complete degassing, purification process, will degassing, melting liquid after purification cast, carburizing, grade quench, Temperer
Sequence produces cutting head bottom steel blank；
S3：Processing to steel blank, grinding and buffing is carried out to the cutting head bottom steel blank prepared in S2 steps
Processing, and the cutting head bottom steel blank after polishing is placed in spraying box, then spraying box is preheated, work as temperature
When reaching 150~250 DEG C, be passed through inert gas into spraying box, and the spraying of cutting head bottom steel blank surface by 5~
The composite of 8wt% W, 3~5wt% Mo and 10~14wt% Cr and surplus Zn composition, then with 10 DEG C/min
Speed be warming up to 400~500 DEG C, and be incubated 1~2h at 400~500 DEG C, line program cooling then entered again until room temperature,
Taking-up produces hay mover cutting head finished product.
It is preferred that, the bottom steel raw material includes following percentage by weight：C 1.05~1.15, Mn 14~17, Si
0.15~0.25, Cr 0.20~0.35, Ag 0.15~0.25, Cu 0.15~0.25, Ni 0.20~0.25, Mo 0.15~
0.25, S 0.01~0.03, P 0.01~0.03, surplus Fe.
It is preferred that, the bottom steel raw material includes following percentage by weight：C 1.10, Mn 16, Si 0.15, Cr
0.20, Ag 0.15, Cu 0.20, Ni 0.25, Mo 0.20, S≤0.03, P≤0.03, surplus Fe.
It is preferred that, the temperature of carburizing is 800~850 DEG C in the S2 steps, and carburizing time is 30~50min, and classification is quenched
236~248 DEG C of the temperature of fire, soaking time is 5~10min, and temperature is 325~340 DEG C.
It is preferred that, the refining agent is carbon trichloride.
It is preferred that, the program cooling concrete operations in the S3 are：0~5min, the speed cooling with 5 DEG C/min, 5~
10min, cooled with 10 DEG C/min speed, 10~20min, cooled with 20 DEG C/min speed, 20~25min, with 10 DEG C/
Min speed cooling, is then down to room temperature with 5 DEG C/min speed.
The preparation method of hay mover cutting head proposed by the present invention, preparation method rational technology is first prepared with excellent resistance to
The cutting head bottom steel blank of performance and heat conductivility is ground, then it is the compound of major ingredient to be plated with zinc in cutting head bottom steel blank
Material, further enhances the anti-wear performance of hay mover cutting head, it is difficult loss under conditions of ensureing that cutting head is sharp, prolongs
Long life, and the wearability and good heat conductivity, hardness of the cutting head prepared are big, it is not easy to wear in use, use the longevity
Life length, and deformation is not susceptible in use, it is to avoid because the phenomenon that hay mover is seriously shaken caused by deformation occurs, protect
Demonstrate,prove the dynamic balancing of hay mover.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment one
A kind of preparation method of hay mover cutting head proposed by the present invention, comprises the following steps：
S1：The preparation of melting liquid, according to following bottom steel raw material weight percentage：C 1.10, Mn 16, Si 0.15,
Cr 0.20, Ag 0.15, Cu 0.20, Ni 0.25, Mo 0.20, S≤0.03, P≤0.03, surplus Fe carries out feeding, and will
Each raw material, which is added in smelting furnace, carries out melting, and smelting temperature is 1750 DEG C, after stirring 20~30min after all fusings, is produced
Melting liquid；
S2：The preparation of cutting head bottom steel blank, inert gas 25min is continually fed into smelting furnace, and in inertia
In the presence of gas shield, carbon trichloride is added, 15min is reacted, 1300 DEG C are then cooled to, 10min is incubated, that is, completes de-
Gas, purification process, will degassing, melting liquid after purification be cast, carburizing, grade quench, tempering process produce cutting head bottom
Layer steel blank, the temperature of the carburizing is 820 DEG C, and carburizing time is 40min, 242 DEG C of the temperature of grade quench, soaking time
For 10min, temperature is 330 DEG C；
S3：Processing to steel blank, grinding and buffing is carried out to the cutting head bottom steel blank prepared in S2 steps
Processing, and the cutting head bottom steel blank after polishing is placed in spraying box, then spraying box is preheated, work as temperature
When reaching 200 DEG C, inert gas is passed through into spraying box, and the W by 7wt% is sprayed in cutting head bottom steel blank surface,
The composite of 4wt% Mo and 12wt% Cr and surplus Zn composition, is then warming up to 450 with 10 DEG C/min speed
DEG C, and 1.5h is incubated at 450 DEG C, line program cooling is then entered again up to room temperature, described program cooling concrete operations are：0~
5min, cooled with 5 DEG C/min speed, 5~10min, cooled with 10 DEG C/min speed, 10~20min, with 20 DEG C/min's
Speed cools, 20~25min, the speed cooling with 10 DEG C/min, is then down to room temperature, room to be down to 5 DEG C/min speed
Taken out after temperature and produce hay mover cutting head finished product.
Embodiment two
A kind of preparation method of hay mover cutting head proposed by the present invention, comprises the following steps：
S1：The preparation of melting liquid, according to following bottom steel raw material weight percentage：C 1.15, Mn 14, Si 0.15,
Cr 0.25, Ag 0.15, Cu 0.15, Ni 0.25, Mo 0.15, S 0.02, P 0.01, surplus Fe, carry out feeding, and will be each
Raw material, which is added in smelting furnace, carries out melting, and smelting temperature is 1600 DEG C, after stirring 30min after all fusings, produces melting liquid；
S2：The preparation of cutting head bottom steel blank, inert gas 30min is continually fed into smelting furnace, and in inertia
In the presence of gas shield, carbon trichloride is added, 10min is reacted, 1300 DEG C are then cooled to, 15min is incubated, that is, completes de-
Gas, purification process, will degassing, melting liquid after purification be cast, carburizing, grade quench, tempering process produce cutting head bottom
Layer steel blank, the temperature of the carburizing is 800 DEG C, and carburizing time is 30min, 240 DEG C of the temperature of grade quench, soaking time
For 5min, temperature is 340 DEG C；
S3：Processing to steel blank, grinding and buffing is carried out to the cutting head bottom steel blank prepared in S2 steps
Processing, and the cutting head bottom steel blank after polishing is placed in spraying box, then spraying box is preheated, work as temperature
When reaching 250 DEG C, inert gas is passed through into spraying box, and the W by 8wt% is sprayed in cutting head bottom steel blank surface,
The composite of 3wt% Mo and 14wt% Cr and surplus Zn composition, is then warming up to 500 with 10 DEG C/min speed
DEG C, and 1h is incubated at 500 DEG C, line program cooling is then entered again up to room temperature, described program cooling concrete operations are：0~
5min, cooled with 5 DEG C/min speed, 5~10min, cooled with 10 DEG C/min speed, 10~20min, with 20 DEG C/min's
Speed cools, 20~25min, the speed cooling with 10 DEG C/min, is then down to room temperature, room to be down to 5 DEG C/min speed
Taken out after temperature and produce hay mover cutting head finished product.
Embodiment three
A kind of preparation method of hay mover cutting head proposed by the present invention, comprises the following steps：
S1：The preparation of melting liquid, according to following bottom steel raw material weight percentage：C 1.05, Mn 17, Si 0.25,
Cr 0.15, Ag 0.25, Cu 0.20, Ni 0.20, Mo 0.20, S 0.03, P 0.03, surplus Fe, carry out feeding, and will be each
Raw material, which is added in smelting furnace, carries out melting, and smelting temperature is 1700 DEG C, after stirring 30min after all fusings, produces melting liquid；
S2：The preparation of cutting head bottom steel blank, inert gas 30min is continually fed into smelting furnace, and in inertia
In the presence of gas shield, carbon trichloride is added, 10min is reacted, 1400 DEG C are then cooled to, 10min is incubated, that is, completes de-
Gas, purification process, will degassing, melting liquid after purification be cast, carburizing, grade quench, tempering process produce cutting head bottom
Layer steel blank, the temperature of the carburizing is 850 DEG C, and carburizing time is 50min, 248 DEG C of the temperature of grade quench, soaking time
For 10min, temperature is 325 DEG C；
S3：Processing to steel blank, grinding and buffing is carried out to the cutting head bottom steel blank prepared in S2 steps
Processing, and the cutting head bottom steel blank after polishing is placed in spraying box, then spraying box is preheated, work as temperature
When reaching 150 DEG C, inert gas is passed through into spraying box, and the W by 5wt% is sprayed in cutting head bottom steel blank surface,
The composite of 5wt% Mo and 10wt% Cr and surplus Zn composition, is then warming up to 400 with 10 DEG C/min speed
DEG C, and 2h is incubated at 400 DEG C, line program cooling is then entered again up to room temperature, described program cooling concrete operations are：0~
5min, cooled with 5 DEG C/min speed, 5~10min, cooled with 10 DEG C/min speed, 10~20min, with 20 DEG C/min's
Speed cools, 20~25min, the speed cooling with 10 DEG C/min, is then down to room temperature, room to be down to 5 DEG C/min speed
Taken out after temperature and produce hay mover cutting head finished product.
Performance is carried out to hay mover cutting head finished product prepared by embodiment one~tri- and detects that testing result is as follows：
| Embodiment | One | Two | Three |
| Hardness (HRC) | 58 | 57 | 54 |
| Wearability (iron ore abrasion g/t ores) | 255 | 248 | 241 |
Testing result shows that the hay mover prepared according to the preparation method of hay mover cutting head proposed by the present invention is cut
The hardness of head is big, and anti-wear performance is good, is difficult loss.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of preparation method of hay mover cutting head, it is characterised in that comprise the following steps：
S1：The preparation of melting liquid, according to following bottom steel raw material weight percentage：C 1.05~1.15, Mn 14~17, Si
0.10~0.25, Cr 0.15~0.35, Ag 0.10~0.25, Cu 0.10~0.25, Ni 0.20~0.25, Mo 0.10~
0.25, S 0.01~0.03, P 0.01~0.03, surplus Fe, carry out feeding, and each raw material is added in smelting furnace melted
Refining, smelting temperature is 1600~1800 DEG C, after stirring 20~30min after all fusings, produces melting liquid；
S2：The preparation of cutting head bottom steel blank, 20~30min of inert gas is continually fed into smelting furnace, and in inertia
In the presence of gas shield, refining agent is added, 10~20min is reacted, is then cooled to 1200~1400 DEG C, insulation 10~
15min, that is, complete degassing, purification process, will degassing, melting liquid after purification cast, carburizing, grade quench, Temperer
Sequence produces cutting head bottom steel blank；
S3：Processing to steel blank, grinding and buffing processing is carried out to the cutting head bottom steel blank prepared in S2 steps,
And the cutting head bottom steel blank after polishing is placed in spraying box, then spraying box is preheated, when temperature reaches
At 150~250 DEG C, inert gas is passed through into spraying box, and in the spraying of cutting head bottom steel blank surface by 5~8wt%
W, 3~5wt% Mo and 10~14wt% Cr and surplus Zn composition composite, then with 10 DEG C/min speed
400~500 DEG C are warming up to, and 1~2h is incubated at 400~500 DEG C, line program cooling is then entered again up to room temperature, taking-up is
Obtain hay mover cutting head finished product.
2. the preparation method of a kind of hay mover cutting head according to claim 1, it is characterised in that the bottom steel are former
Material includes following percentage by weight：C 1.05~1.15, Mn 14~17, Si 0.15~0.25, Cr 0.20~0.35, Ag
0.15~0.25, Cu 0.15~0.25, Ni 0.20~0.25, Mo 0.15~0.25, S 0.01~0.03, P 0.01~
0.03, surplus Fe.
3. the preparation method of a kind of hay mover cutting head according to claim 1, it is characterised in that the bottom steel are former
Material includes following percentage by weight：C 1.10, Mn 16, Si 0.15, Cr 0.20, Ag 0.15, Cu 0.20, Ni 0.25, Mo
0.20, S≤0.03, P≤0.03, surplus Fe.
4. the preparation method of a kind of hay mover cutting head according to claim 1, it is characterised in that oozed in the S2 steps
The temperature of carbon be 800~850 DEG C, carburizing time be 30~50min, 236~248 DEG C of the temperature of grade quench, soaking time is 5
~10min, temperature is 325~340 DEG C.
5. the preparation method of a kind of hay mover cutting head according to claim 1, it is characterised in that the refining agent is six
Chloroethanes.
6. a kind of preparation method of hay mover cutting head according to claim 1, it is characterised in that the program in the S3
Cooling concrete operations be：0~5min, the speed cooling with 5 DEG C/min, 5~10min, the speed cooling with 10 DEG C/min, 10~
20min, the speed cooling with 20 DEG C/min, 20~25min, the speed cooling with 10 DEG C/min, then with 5 DEG C/min speed
It is down to room temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710554545.0A CN107326255A (en) | 2017-07-10 | 2017-07-10 | A kind of preparation method of hay mover cutting head |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710554545.0A CN107326255A (en) | 2017-07-10 | 2017-07-10 | A kind of preparation method of hay mover cutting head |
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