CN109055851A - A kind of preparation process of novel extrusion fluted drill mold materials - Google Patents
A kind of preparation process of novel extrusion fluted drill mold materials Download PDFInfo
- Publication number
- CN109055851A CN109055851A CN201811071564.9A CN201811071564A CN109055851A CN 109055851 A CN109055851 A CN 109055851A CN 201811071564 A CN201811071564 A CN 201811071564A CN 109055851 A CN109055851 A CN 109055851A
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- China
- Prior art keywords
- mold
- preparation process
- mold materials
- fluted drill
- cold
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Classifications
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- 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
-
- 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
- C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Earth Drilling (AREA)
- Drilling Tools (AREA)
Abstract
The present invention relates to a kind of preparation processes of novel extrusion fluted drill mold materials, the main chemical compositions of the mold materials are made of C 1.48~1.55, Cr 12~13, Mo 0.45~0.50 and V 0.19~0.22, its preparation process includes heat treatment and Nitrizing Treatment, steps are as follows for the heat treatment process: (1) mold being put into furnace using high-frequency heating first, oil is cold after being heated to 1150 ~ 1200 DEG C or classification is cold；(2) then the mold obtained after step (1) is handled is tempered 5 ~ 6 times at 550 ~ 560 DEG C；The prolonged process service life of mold, improves the high temperature resistance and wear-resisting property of mold.
Description
Technical field
The invention belongs to the preparation technical fields of metal material, and in particular to a kind of novel extrusion fluted drill mold materials
Preparation process.
Background technique
Stamping parts is important component in industry manufacture, and product quality and production efficiency directly affect enterprise's production and competition
Ability.In the production of China or even world's stamping die, traditional manufacturing technique is raw material blanking-annealing-machine
Tool adds
Work-final heat treatment-finishing, wherein final heat treatment is to make mold reach service performance, and final heat treatment passes
System work
Skill is quenching+lonneal.
Final heat treatment uses conventional processes, mold intensity with higher and hardness, but toughness is lower, in reality
It is often broken in production, the problems such as abrasion, has seriously affected die life, affected the product matter of stamping parts
Amount and
Production efficiency.
With the rapid development of China's manufacturing industry, the usage amount of mold is increasing, to mold performance and service life
It is required that also higher and higher.Cr12MoV is a kind of high carbon high chromium alloy steel, material harden ability with higher and hardenability, often
It is widely used for manufacturing all kinds of cold-working molds.Since mold bears complicated punching press effect in use, obdurability and wear-resisting
Performance determines mold end-use properties and service life, and therefore, improving its obdurability is the previous crucial research direction of mesh, improves
The quality and competitiveness of mold, active development are adopted new technology, and excavate the use potentiality of traditional steel grade, this is with great reality
Meaning.
Summary of the invention
The present invention is directed to the shortcomings of the prior art, provides a kind of novel extrusion fluted drill mold materials
Preparation process, mold made from the technique has high rigidity and high intensity, and has enough toughness, so that the mold longevity can be improved
Life.
The object of the present invention is achieved in the following manner:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.48~1.55, Cr 12~13, Mo 0.45~0.50 and V 0.19~0.22, its preparation process includes
Heat treatment and Nitrizing Treatment, steps are as follows for the heat treatment process:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1150 ~ 1200 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 5 ~ 6 times at 550 ~ 560 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the primary chemical of the mold materials
Ingredient is made of C 1.5, Cr 12.5, Mo 0.45 and V 0.22.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, in the heat treatment process step (1)
Oil is cold after being heated to 1170 DEG C or classification is cold.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 520 ~ 560 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 550 DEG C.
Compared with prior art, beneficial effects of the present invention:
1. present invention process is cold using oil after being heated to 1150 ~ 1200 DEG C or classification is cold, 5 ~ 6 are then tempered at 550 ~ 560 DEG C
It is secondary；Autstenitic grain size is not coarse at this time, has preferable toughness；And hardness is promoted to 60 ~ 62HRC, and service life increases
It is 2 ~ 3 times long.
2. the present invention breaches traditional post-curing technique, so that mold by the tempering temperature of raising mold materials
The hardness and toughness of material increase, and under the premise of guaranteeing toughness, the service life of mold is extended.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
Embodiment 1:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.48~1.55, Cr 12~13, Mo 0.45~0.50 and V 0.19~0.22, its preparation process includes
Heat treatment and Nitrizing Treatment, steps are as follows for the heat treatment process:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1150 ~ 1200 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 5 ~ 6 times at 550 ~ 560 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 520 ~ 560 DEG C.
Embodiment 2:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.5, Cr 12.5, Mo 0.45 and V 0.22, its preparation process includes heat treatment and Nitrizing Treatment, described
Steps are as follows for heat treatment process:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1170 DEG C or classification is cold；
(2) mold tempering 5 ~ 6 times under 550 that then will be obtained after step (1) is handled.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 550 DEG C.
Embodiment 3:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.48, Cr 13, Mo 0.45 and V 0.22, its preparation process includes heat treatment and Nitrizing Treatment, described
Steps are as follows for heat treatment process:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1200 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 5 times at 550 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 540 DEG C.
Embodiment 4:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.50, Cr 12.8, Mo 0.46 and V 0.21, its preparation process includes heat treatment and Nitrizing Treatment, institute
Stating heat treatment process, steps are as follows:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1180 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 6 times at 555 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 520 DEG C.
Embodiment 5:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.52, Cr 12.6, Mo 0.47 and V 0.20, its preparation process includes heat treatment and Nitrizing Treatment, institute
Stating heat treatment process, steps are as follows:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1190 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 5 times at 550 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 530 DEG C.
Embodiment 6:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.53, Cr 12.4, Mo 0.48 and V 0.19, its preparation process includes heat treatment and Nitrizing Treatment, institute
Stating heat treatment process, steps are as follows:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1190 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 6 times at 550 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 540 DEG C.
Embodiment 7:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.55, Cr 12.2, Mo 0.49 and V 0.20, its preparation process includes heat treatment and Nitrizing Treatment, institute
Stating heat treatment process, steps are as follows:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1200 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 5 times at 550 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 560 DEG C.
Embodiment 8:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.49, Cr 12.1, Mo 0.50 and V 0.21, its preparation process includes heat treatment and Nitrizing Treatment, institute
Stating heat treatment process, steps are as follows:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1180 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 5 times at 550 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 560 DEG C.
Embodiment 9:
The present invention provides a kind of preparation process of novel extrusion fluted drill mold materials, the primary chemicals of the mold materials at
Divide and be made of C 1.53, Cr 12, Mo 0.48 and V 0.20, its preparation process includes heat treatment and Nitrizing Treatment, described
Steps are as follows for heat treatment process:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1180 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 6 times at 560 DEG C.
According to the preparation process of above-mentioned novel extrusion fluted drill mold materials, the Nitrizing Treatment is by die workpiece
After oil hardening is tempered, when nitrogen ratios are 50%, nitriding gas disposal need to be carried out at 550 DEG C.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention
Protection scope.
Claims (5)
1. a kind of preparation process of novel extrusion fluted drill mold materials, it is characterised in that the primary chemical of the mold materials at
Divide and be made of C 1.48~1.55, Cr 12~13, Mo 0.45~0.50 and V 0.19~0.22, its preparation process includes
Heat treatment and Nitrizing Treatment, steps are as follows for the heat treatment process:
(1) mold is put into furnace using high-frequency heating first, oil is cold after being heated to 1150 ~ 1200 DEG C or classification is cold；
(2) then the mold obtained after step (1) is handled is tempered 5 ~ 6 times at 550 ~ 560 DEG C.
2. the preparation process of novel extrusion fluted drill mold materials according to claim 1, it is characterised in that: described to be somebody's turn to do
The main chemical compositions of mold materials are made of C 1.5, Cr 12.5, Mo 0.45 and V 0.22.
3. the preparation process of novel extrusion fluted drill mold materials according to claim 1, it is characterised in that: the heat
Oil is cold after being heated to 1170 DEG C in treatment process steps (1) or classification is cold.
4. the preparation process of novel extrusion fluted drill mold materials according to claim 1, it is characterised in that: the infiltration
Nitrogen processing, when nitrogen ratios are 50%, need to be carried out at 520 ~ 560 DEG C by die workpiece after oil hardening is tempered
Nitriding gas disposal.
5. the preparation process of novel extrusion fluted drill mold materials according to claim 4, it is characterised in that: the infiltration
Nitrogen processing is, when nitrogen ratios are 50%, nitriding need to be carried out at 550 DEG C by die workpiece after oil hardening is tempered
Gas disposal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811071564.9A CN109055851A (en) | 2018-09-14 | 2018-09-14 | A kind of preparation process of novel extrusion fluted drill mold materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811071564.9A CN109055851A (en) | 2018-09-14 | 2018-09-14 | A kind of preparation process of novel extrusion fluted drill mold materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109055851A true CN109055851A (en) | 2018-12-21 |
Family
ID=64761550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811071564.9A Pending CN109055851A (en) | 2018-09-14 | 2018-09-14 | A kind of preparation process of novel extrusion fluted drill mold materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109055851A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1857204A1 (en) * | 2006-05-17 | 2007-11-21 | MEC Holding GmbH | Nonmagnetic material for producing parts or coatings adapted for high wear and corrosion intensive applications, nonmagnetic drill string component, and method for the manufacture thereof |
| CN105586470A (en) * | 2014-10-23 | 2016-05-18 | 无锡华冶钢铁有限公司 | Manufacturing process for mold made of alloy steel Crl2MolVI |
-
2018
- 2018-09-14 CN CN201811071564.9A patent/CN109055851A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1857204A1 (en) * | 2006-05-17 | 2007-11-21 | MEC Holding GmbH | Nonmagnetic material for producing parts or coatings adapted for high wear and corrosion intensive applications, nonmagnetic drill string component, and method for the manufacture thereof |
| CN105586470A (en) * | 2014-10-23 | 2016-05-18 | 无锡华冶钢铁有限公司 | Manufacturing process for mold made of alloy steel Crl2MolVI |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |
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| RJ01 | Rejection of invention patent application after publication |