CN110257598A - A kind of die casting heat treatment process - Google Patents
A kind of die casting heat treatment process Download PDFInfo
- Publication number
- CN110257598A CN110257598A CN201910661166.0A CN201910661166A CN110257598A CN 110257598 A CN110257598 A CN 110257598A CN 201910661166 A CN201910661166 A CN 201910661166A CN 110257598 A CN110257598 A CN 110257598A
- Authority
- CN
- China
- Prior art keywords
- die casting
- heated
- temperature
- treatment process
- heat treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D1/34—Methods of heating
- C21D1/44—Methods of heating in heat-treatment baths
- C21D1/46—Salt baths
-
- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
-
- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
-
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of die casting heat treatment process, comprising: S1. is kept the temperature after die casting is heated to 500-550 DEG C；S2. by S1, treated that die casting continues to keep the temperature after being heated to 800-850 DEG C；S3. by S2, treated keeps the temperature after die casting is further heated to 1020-1040 DEG C；S4. by S3 treated die casting by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C；S5. by S4, treated that die casting is air-cooled；S6. by S5, treated that die casting is tempered three times, makes the hardness of die casting in 43-48HRC.Die casting heat treatment process of the invention after being heated separately to 500-550 DEG C, 800-850 DEG C and 1020-1040 DEG C by keeping the temperature, and by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C, and then carry out air-cooled processing, keep the hardness of die casting uniform and each position difference of hardness is away from small, improves the stripping result and wearability of die casting；Residual stress is eliminated by tempering three times, prevents die casting from deforming and cracking, adjusts its hardness and strength, improve the comprehensive process performance of die casting.
Description
Technical field
The present invention relates to die casting production technical fields, more particularly to a kind of die casting heat treatment process.
Background technique
Die casting is a kind of tool of casting metal components.The basic craft course of die casting manufacture is: metal
The type of liquid elder generation low-speed or high-speed casting filling progressive die tool is intracavitary, and mold has movable cavity surface, it is cooled with molten metal
Journey pressurization forging, had both eliminated the shrinkage porosity defect of contraction cavity of blank, the interior tissue of blank is also made to reach the Broken Crystal of forging state.
After common die casting die cast, still there can be each non-uniform phenomenon of position hardness, influence die casting
Stripping result and wearability, need to be adjusted its hardness and strength, and existing residual stress makes it in die casting
Easily-deformable and cracking, needs multiple pressure casting mould to be further heat-treated, to improve the comprehensive process of die casting
Performance.
Summary of the invention
Based on this, the object of the present invention is to provide a kind of die casting heat treatment process.
Die casting heat treatment process of the invention, comprising:
S1. it is kept the temperature after die casting being heated to 500-550 DEG C；
S2. by S1, treated that die casting continues to keep the temperature after being heated to 800-850 DEG C；
S3. by S2, treated keeps the temperature after die casting is further heated to 1020-1040 DEG C；
S4. by S3 treated die casting by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C；
S5. by S4, treated that die casting is air-cooled；
S6. by S5, treated that die casting is tempered three times, makes the hardness of die casting in 43-48HRC.
Die casting heat treatment process of the invention is by being heated separately to 500-550 DEG C, 800-850 DEG C and 1020-
It is kept the temperature after 1040 DEG C, and by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C, and then carries out air-cooled processing, keep die casting fast
Speed avoids bainite structure limited proportionality, into martensitic structure limited proportionality, die casting microstructure is made to be changed into horse as far as possible
The carbide, bainite and retained austenite of intercrystalline precipitation is reduced or avoided in family name's body, keeps the hardness of die casting uniformly and each
Position difference of hardness improves the stripping result and wearability of die casting away from small；Residual stress is eliminated by tempering three times, is prevented
Only die casting deformation and cracking, adjust its hardness and strength, improve the comprehensive process performance of die casting.
It is further preferred that in the S1, if using salt bath stove heating die casting, after being heated to 500-550 DEG C
Soaking time is 1-1.5min/mm；
In the S2, if the soaking time after being heated to 800-850 DEG C is 0.5- using salt bath stove heating die casting
0.8min/mm；
In the S3, if using salt bath stove heating die casting, the soaking time after being heated to 1020-1040 DEG C is
0.2-0.4min/mm。
It is further preferred that in the S1, if being heated to 500-550 DEG C using atmosphere protection stove heating die casting
Soaking time afterwards is 1.5-2.5min/mm；
In the S2, if using atmosphere protection stove heating die casting, the soaking time after being heated to 800-850 DEG C is
1-2min/mm；
In the S3, if the soaking time using atmosphere protection stove heating die casting, after being heated to 1020-1040 DEG C
For 1-1.2min/mm.
It is further preferred that in the S1, if being heated to 500-550 DEG C using vacuum air-quenching stove heating die casting
Soaking time afterwards is 1.5h；
In the S2, if using vacuum air-quenching stove heating die casting, the soaking time after being heated to 800-850 DEG C is
1.5h；
In the S3, if the soaking time using vacuum air-quenching stove heating die casting, after being heated to 1020-1040 DEG C
For 1-1.5h.
It is further preferred that in the S4, by die casting by the way that oil is cold or air cooling is to keeping the temperature 5- after 370-420 DEG C
20min。
It is further preferred that in the S5, it is air-cooled after the hardness of die casting be 44-48HRC.
It is further preferred that the S6 includes S61, by S5, treated after die casting carries out first time tempering, wherein
The temperature of tempering is 520-560 DEG C for the first time, and the die casting hardness after oily cold or air cooling is 50-56HRC.
It is further preferred that the S6 further includes S62, the die casting after being tempered for the first time in S61 is carried out second
Oily cold or air cooling after tempering, wherein the temperature of second of tempering is 600-620 DEG C, the die casting hardness after oily cold or air cooling
43-48HRC。
It is further preferred that the S6 further includes S63, the die casting after second in S62 is tempered carries out third time
Oily cold or air cooling after tempering, wherein the temperature of third time tempering is 550-580 DEG C, the die casting hardness after oily cold or air cooling
43-48HRC。
Compared with the existing technology, die casting heat treatment process of the invention is by being heated separately to 500-550 DEG C, 800-
It is kept the temperature after 850 DEG C and 1020-1040 DEG C, and by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C, and then carries out air-cooled processing,
So that die casting is quickly avoided bainite structure limited proportionality, into martensitic structure limited proportionality, keeps die casting microstructure most
Possible transition is martensite, and the carbide, bainite and retained austenite of intercrystalline precipitation is reduced or avoided, makes die casting
Hardness is uniform and each position difference of hardness is away from small, improves the stripping result and wearability of die casting；Disappeared by tempering three times
Except residual stress, prevents die casting from deforming and cracking, adjust its hardness and strength, the synthesis for improving die casting adds
Work performance.The treatment process of die casting heat treatment process of the invention is simple, strong operability, is adapted for die casting
Large-scale production.
In order to better understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Detailed description of the invention
Fig. 1 is the treatment process schematic diagram of die casting heat treatment process S1-S5 of the invention.
Fig. 2 is the treatment process schematic diagram of die casting heat treatment process S6 of the invention.
Specific embodiment
Embodiment described in following exemplary embodiment does not represent all embodiment party consistent with this disclosure
Formula.On the contrary, they are only the examples of the method consistent with some aspects as detailed in the attached claim, the disclosure
Son.
It is only to be not intended to be limiting the disclosure merely for for the purpose of describing particular embodiments in the term that the disclosure uses.
The "an" of the singular used in disclosure and the accompanying claims book, " described " and "the" are also intended to including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
Embodiment one
Referring to Fig. 1, Fig. 1 is the treatment process schematic diagram of die casting heat treatment process S1-S5 of the invention.
The die casting heat treatment process of the present embodiment, comprising:
S1. it is kept the temperature after die casting being heated to 500-550 DEG C.
The present embodiment uses salt bath stove heating die casting, and the soaking time after being heated to 500-550 DEG C is 1-1.5min/
mm。
S2. by S1, treated that die casting continues to keep the temperature after being heated to 800-850 DEG C.
The present embodiment uses salt bath stove heating die casting, and the soaking time after being heated to 800-850 DEG C is 0.5-
0.8min/mm。
S3. by S2, treated keeps the temperature after die casting is further heated to 1020-1040 DEG C.
The present embodiment uses salt bath stove heating die casting, and the soaking time after being heated to 1020-1040 DEG C is 0.2-
0.4min/mm。
S4. by S3 treated die casting by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C.
Preferably, by die casting by the way that oil is cold or air cooling is to keeping the temperature 5-20min after 370-420 DEG C.
S5. by S4, treated that die casting is air-cooled.
The hardness of die casting after air-cooled is 44-48HRC.
After S1-S5 is handled, after S1-S5 is handled, die casting is made quickly to avoid bainite structure limited proportionality, into
Enter martensitic structure limited proportionality, so that die casting microstructure is changed into martensite as far as possible, intercrystalline precipitation is reduced or avoided
Carbide, bainite and retained austenite, the hardness of die casting is uniform and each position difference of hardness is away from small, improves die casting
Stripping result and wearability.
Referring to Fig. 2, Fig. 2 is the treatment process schematic diagram of die casting heat treatment process S6 of the invention.
S6. by S5, treated that die casting is tempered three times, makes the hardness of die casting in 43-48HRC.
The S6 of the present embodiment includes S61, after S5 treated die casting is carried out first time tempering, wherein for the first time
The temperature of tempering is 520-560 DEG C, and the die casting hardness after oily cold or air cooling is 50-56HRC.
The S6 further includes S62, and the die casting after being tempered for the first time in S61 is carried out oily cold or gas after being tempered second
It is cold, wherein the temperature of second of tempering is 600-620 DEG C, the die casting hardness 43-48HRC after oily cold or air cooling.
The S6 further includes S63, and the die casting after second in S62 is tempered carries out oily cold or gas after third time tempering
It is cold, wherein the temperature of third time tempering is 550-580 DEG C, the die casting hardness 43-48HRC after oily cold or air cooling.
Through detecting, through this embodiment after the tempering three times of S6, the residual stress of die casting is eliminated, prevents from pressing
Casting mould deformation and cracking, adjust its hardness and strength, hence it is evident that improved the comprehensive process performance of die casting.
Embodiment two
Referring to Fig. 1, Fig. 1 is the treatment process schematic diagram of die casting heat treatment process S1-S5 of the invention.
Die casting heat treatment process of the invention, comprising:
S1. it is kept the temperature after die casting being heated to 500-550 DEG C.
The present embodiment uses atmosphere protection stove heating die casting, and the soaking time after being heated to 500-550 DEG C is 1.5-
2.5min/mm。
S2. by S1, treated that die casting continues to keep the temperature after being heated to 800-850 DEG C.
The present embodiment uses atmosphere protection stove heating die casting, and the soaking time after being heated to 800-850 DEG C is 1-
2min/mm。
S3. by S2, treated keeps the temperature after die casting is further heated to 1020-1040 DEG C.
The present embodiment uses atmosphere protection stove heating die casting, and the soaking time after being heated to 1020-1040 DEG C is 1-
1.2min/mm。
S4. by S3 treated die casting by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C.
Preferably, by die casting by the way that oil is cold or air cooling is to keeping the temperature 5-20min after 370-420 DEG C.
S5. by S4, treated that die casting is air-cooled.
The hardness of die casting after air-cooled is 44-48HRC.
After S1-S5 is handled, die casting is made quickly to avoid bainite structure limited proportionality, changed into martensitic structure
Area makes die casting microstructure be changed into martensite as far as possible, be reduced or avoided the carbide of intercrystalline precipitation, bainite and
The hardness of retained austenite, die casting is uniform and each position difference of hardness is away from small, improves the stripping result of die casting and wear-resisting
Property.
Referring to Fig. 2, Fig. 2 is the treatment process schematic diagram of die casting heat treatment process S6 of the invention.
S6. by S5, treated that die casting is tempered three times, makes the hardness of die casting in 43-48HRC.
The S6 of the present embodiment includes S61, after S5 treated die casting is carried out first time tempering, wherein for the first time
The temperature of tempering is 520-560 DEG C, and the die casting hardness after oily cold or air cooling is 50-56HRC.
The S6 further includes S62, and the die casting after being tempered for the first time in S61 is carried out oily cold or gas after being tempered second
It is cold, wherein the temperature of second of tempering is 600-620 DEG C, the die casting hardness 43-48HRC after oily cold or air cooling.
The S6 further includes S63, and the die casting after second in S62 is tempered carries out oily cold or gas after third time tempering
It is cold, wherein the temperature of third time tempering is 550-580 DEG C, the die casting hardness 43-48HRC after oily cold or air cooling.
Through detecting, through this embodiment after the tempering three times of S6, the residual stress of die casting is eliminated, prevents from pressing
Casting mould deformation and cracking, adjust its hardness and strength, hence it is evident that improved the comprehensive process performance of die casting.
Embodiment three
Referring to Fig. 1, Fig. 1 is the treatment process schematic diagram of die casting heat treatment process S1-S5 of the invention.
Die casting heat treatment process of the invention, comprising:
S1. it is kept the temperature after die casting being heated to 500-550 DEG C.
The present embodiment uses vacuum air-quenching stove heating die casting, and the soaking time after being heated to 500-550 DEG C is 1.5h.
S2. by S1, treated that die casting continues to keep the temperature after being heated to 800-850 DEG C.
The present embodiment uses vacuum air-quenching stove heating die casting, and the soaking time after being heated to 800-850 DEG C is 1.5h.
S3. by S2, treated keeps the temperature after die casting is further heated to 1020-1040 DEG C.
The present embodiment uses vacuum air-quenching stove heating die casting, and the soaking time after being heated to 1020-1040 DEG C is 1-
1.5h。
S4. by S3 treated die casting by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C.
Preferably, by die casting by the way that oil is cold or air cooling is to keeping the temperature 5-20min after 370-420 DEG C.
S5. by S4, treated that die casting is air-cooled.
The hardness of die casting after air-cooled is 44-48HRC.
After S1-S5 is handled, die casting is made quickly to avoid bainite structure limited proportionality, changed into martensitic structure
Area makes die casting microstructure be changed into martensite as far as possible, be reduced or avoided the carbide of intercrystalline precipitation, bainite and
The hardness of retained austenite, die casting is uniform and each position difference of hardness is away from small, improves the stripping result of die casting and wear-resisting
Property.
Referring to Fig. 2, Fig. 2 is the treatment process schematic diagram of die casting heat treatment process S6 of the invention.
S6. by S5, treated that die casting is tempered three times, makes the hardness of die casting in 43-48HRC.
The S6 of the present embodiment includes S61, after S5 treated die casting is carried out first time tempering, wherein for the first time
The temperature of tempering is 520-560 DEG C, and the die casting hardness after oily cold or air cooling is 50-56HRC.
The S6 further includes S62, and the die casting after being tempered for the first time in S61 is carried out oily cold or gas after being tempered second
It is cold, wherein the temperature of second of tempering is 600-620 DEG C, the die casting hardness 43-48HRC after oily cold or air cooling.
The S6 further includes S63, and the die casting after second in S62 is tempered carries out oily cold or gas after third time tempering
It is cold, wherein the temperature of third time tempering is 550-580 DEG C, the die casting hardness 43-48HRC after oily cold or air cooling.
Through detecting, through this embodiment after the tempering three times of S6, the residual stress of die casting is eliminated, prevents from pressing
Casting mould deformation and cracking, adjust its hardness and strength, hence it is evident that improved the comprehensive process performance of die casting.
Quenched martensite tissue through the resulting die casting of die casting heat treatment process of the invention is very abundant,
It is particularly suitable for the heat treatment of large-scale and complex die casting, improves the comprehensive performance of die casting.
Compared with the existing technology, die casting heat treatment process of the invention is by being heated separately to 500-550 DEG C, 800-
It is kept the temperature after 850 DEG C and 1020-1040 DEG C, and by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C, and then carries out air-cooled processing,
So that die casting is quickly avoided bainite structure limited proportionality, into martensitic structure limited proportionality, keeps die casting microstructure most
Possible transition is martensite, and the carbide, bainite and retained austenite of intercrystalline precipitation is reduced or avoided, makes die casting
Hardness is uniform and each position difference of hardness is away from small, improves the stripping result and wearability of die casting；Disappeared by tempering three times
Except residual stress, prevents die casting from deforming and cracking, adjust its hardness and strength, the synthesis for improving die casting adds
Work performance.The treatment process of die casting heat treatment process of the invention is simple, strong operability, is adapted for die casting
Large-scale production.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (9)
1. a kind of die casting heat treatment process characterized by comprising
S1. it is kept the temperature after die casting being heated to 500-550 DEG C；
S2. by S1, treated that die casting continues to keep the temperature after being heated to 800-850 DEG C；
S3. by S2, treated keeps the temperature after die casting is further heated to 1020-1040 DEG C；
S4. by S3 treated die casting by the way that oil is cold or air cooling is to keeping the temperature after 370-420 DEG C；
S5. by S4, treated that die casting is air-cooled；
S6. by S5, treated that die casting is tempered three times, makes the hardness of die casting in 43-48HRC.
2. die casting heat treatment process according to claim 1, it is characterised in that: in the S1, if using salt bath furnace
Die casting is heated, then the soaking time after being heated to 500-550 DEG C is 1-1.5min/mm；
In the S2, if the soaking time after being heated to 800-850 DEG C is 0.5- using salt bath stove heating die casting
0.8min/mm；
In the S3, if the soaking time after being heated to 1020-1040 DEG C is 0.2- using salt bath stove heating die casting
0.4min/mm。
3. die casting heat treatment process according to claim 1, it is characterised in that: in the S1, if being protected using atmosphere
Die casting is heated in furnace retaining, then the soaking time after being heated to 500-550 DEG C is 1.5-2.5min/mm；
In the S2, if the soaking time after being heated to 800-850 DEG C is 1- using atmosphere protection stove heating die casting
2min/mm；
In the S3, if the soaking time after being heated to 1020-1040 DEG C is 1- using atmosphere protection stove heating die casting
1.2min/mm。
4. die casting heat treatment process according to claim 1, it is characterised in that: in the S1, if using vacuum gas
Stove heating of quenching die casting, the then soaking time after being heated to 500-550 DEG C are 1.5h；
In the S2, if using vacuum air-quenching stove heating die casting, the soaking time after being heated to 800-850 DEG C is
1.5h；
In the S3, if the soaking time after being heated to 1020-1040 DEG C is 1- using vacuum air-quenching stove heating die casting
1.5h。
5. die casting heat treatment process according to claim 1-4, it is characterised in that: in the S4, will press
Casting mould is by the way that oil is cold or air cooling is to keeping the temperature 5-20min after 370-420 DEG C.
6. die casting heat treatment process according to claim 5, it is characterised in that: in the S5, it is air-cooled after die casting
The hardness of mold is 44-48HRC.
7. die casting heat treatment process according to claim 6, it is characterised in that: the S6 includes S61, and S5 is handled
After die casting afterwards carries out first time tempering, wherein the temperature of tempering is 520-560 DEG C for the first time, after oily cold or air cooling
Die casting hardness is 50-56HRC.
8. die casting heat treatment process according to claim 7, it is characterised in that: the S6 further includes S62, by S61
Oily cold or air cooling after second of tempering of die casting progress after middle first time tempering, wherein the temperature of tempering is for the second time
600-620 DEG C, the die casting hardness 43-48HRC after oily cold or air cooling.
9. die casting heat treatment process according to claim 8, it is characterised in that: the S6 further includes S63, by S62
In second be tempered after die casting carry out that oil after third time tempering is cold or air cooling, wherein the temperature of third time tempering is
550-580 DEG C, the die casting hardness 43-48HRC after oily cold or air cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661166.0A CN110257598A (en) | 2019-07-22 | 2019-07-22 | A kind of die casting heat treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910661166.0A CN110257598A (en) | 2019-07-22 | 2019-07-22 | A kind of die casting heat treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110257598A true CN110257598A (en) | 2019-09-20 |
Family
ID=67927702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910661166.0A Pending CN110257598A (en) | 2019-07-22 | 2019-07-22 | A kind of die casting heat treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110257598A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757113A (en) * | 2019-12-02 | 2020-02-07 | 广州市型腔模具制造有限公司 | Machining process for engine cylinder body mold core |
| CN110834075A (en) * | 2019-12-02 | 2020-02-25 | 广州市型腔模具制造有限公司 | Machining process of engine cylinder body cavity die |
| CN112404389A (en) * | 2020-11-18 | 2021-02-26 | 无锡市斌悦机械科技有限公司 | Die casting process of main body die |
| CN112680651A (en) * | 2021-01-07 | 2021-04-20 | 瑞安市顺星汽摩配件有限公司 | Process for preparing automobile accessory die-casting die |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006144032A (en) * | 2004-11-16 | 2006-06-08 | Katsuhiko Yamada | Wire-drawing of steel wire and its heat treatment method |
| CN105643222A (en) * | 2016-03-30 | 2016-06-08 | 马鞍山市长冶重工科技有限公司 | Method for processing automobile uniaxial forging die |
| CN106755763A (en) * | 2015-11-20 | 2017-05-31 | 巴南区伟鹏机械加工厂 | A kind of H13 steels extrusion die high temperature quenching technical |
| CN106893817A (en) * | 2015-12-18 | 2017-06-27 | 陈清禄 | A kind of 7KiVe moulds steel heat treatment process |
-
2019
- 2019-07-22 CN CN201910661166.0A patent/CN110257598A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006144032A (en) * | 2004-11-16 | 2006-06-08 | Katsuhiko Yamada | Wire-drawing of steel wire and its heat treatment method |
| CN106755763A (en) * | 2015-11-20 | 2017-05-31 | 巴南区伟鹏机械加工厂 | A kind of H13 steels extrusion die high temperature quenching technical |
| CN106893817A (en) * | 2015-12-18 | 2017-06-27 | 陈清禄 | A kind of 7KiVe moulds steel heat treatment process |
| CN105643222A (en) * | 2016-03-30 | 2016-06-08 | 马鞍山市长冶重工科技有限公司 | Method for processing automobile uniaxial forging die |
Non-Patent Citations (2)
| Title |
|---|
| 张荫朗: "《中高级模具钳工考核应知问答》", 30 November 1993 * |
| 徐修炎: "《钢铁件热加工技术及质量控制》", 31 December 1986 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757113A (en) * | 2019-12-02 | 2020-02-07 | 广州市型腔模具制造有限公司 | Machining process for engine cylinder body mold core |
| CN110834075A (en) * | 2019-12-02 | 2020-02-25 | 广州市型腔模具制造有限公司 | Machining process of engine cylinder body cavity die |
| CN112404389A (en) * | 2020-11-18 | 2021-02-26 | 无锡市斌悦机械科技有限公司 | Die casting process of main body die |
| CN112680651A (en) * | 2021-01-07 | 2021-04-20 | 瑞安市顺星汽摩配件有限公司 | Process for preparing automobile accessory die-casting die |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110257598A (en) | A kind of die casting heat treatment process | |
| CN105543749A (en) | High-entropy alloy gradient stress modification technology | |
| CN106435101A (en) | Small-specification 40Cr2SiMnMoV forging thermal treatment process | |
| CN103103326A (en) | Vacuum isothermal treatment technology for hot work die steel | |
| CN102676780A (en) | Hardening and tempering technology of alloy-steel tube | |
| CN105088081A (en) | Bainite and martensite spring steel for stabilizer bar and manufacturing process for stabilizer bar | |
| CN109022705A (en) | The heat treatment method of potassium steel casting bucket tooth | |
| CN108950413A (en) | A kind of die steel material and preparation method thereof and purposes | |
| CN102703652A (en) | Heat treatment process of hot-work-die steel for aluminum die-casting mould | |
| CN105887000A (en) | Nitriding heat treatment method of die-casting machine accessory | |
| CN106282847A (en) | A kind of remnant forging thermal quenching steel | |
| CN108350557B (en) | Piston ring of casting tool steel and manufacturing process thereof | |
| CN109628833A (en) | A kind of Cr-Mo-Si-V serial cold working mould steel and preparation method thereof | |
| CN110295331A (en) | Quenching and tempering type 5Cr2NiMoVSi hot die steel | |
| EP3885461B1 (en) | Gradient steel material having surface layer with ferrite and inner layer with ferrite + pearlite and manufacturing method | |
| CN109576465A (en) | A kind of compression mod steel martensitic structure fine method | |
| CN111378895B (en) | Gradient steel material with high-plasticity surface layer and high-strength inner layer and manufacturing method thereof | |
| CN1295138A (en) | Air-quenched low and medium carbon steels suitable for improved heat treatment | |
| CN104017952B (en) | The economizing type of a kind of low-alloy high-strength steel part exempts to be tempered strength-toughening process | |
| JP3897274B2 (en) | Hardening method for steel | |
| JPH09182948A (en) | Die and its quenching | |
| JP2948047B2 (en) | Manufacturing method of die casting mold having water cooling hole | |
| JP2006315007A (en) | Sleeve for die casting | |
| KR20140000409A (en) | Non-nomarlized steel composition, hot forging parts with improved strength comprising the same and method for manufacturing thereof | |
| CN107858593A (en) | A kind of preparation method of Heat-resistant stable, impact-resistant alloy mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190920 |