CN107058868B - A kind of high rigidity precision engraving knife die - Google Patents

A kind of high rigidity precision engraving knife die Download PDF

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Publication number
CN107058868B
CN107058868B CN201710197049.4A CN201710197049A CN107058868B CN 107058868 B CN107058868 B CN 107058868B CN 201710197049 A CN201710197049 A CN 201710197049A CN 107058868 B CN107058868 B CN 107058868B
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cooled
engraving knife
knife die
die
heated
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CN107058868A (en
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刘浩
张君
张欢芬
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Suzhou Hao Yan Precision Mold Ltd Co
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Suzhou Hao Yan Precision Mold Ltd Co
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Priority to PCT/CN2017/115355 priority patent/WO2018176904A1/en
Priority to DE202017006854.0U priority patent/DE202017006854U1/en
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    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • C22C38/02—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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The present invention is a kind of high rigidity precision engraving knife die, and weight percent composition is：C：0.27~0.29%, Si：1.3~1.5%, Mn：1.3~1.5%, P：0.013~0.015%, S：0.005~0.007%, Nb：0.025~0.027%, Ti：0.073~0.075%, Ni：0.2~0.4%, Mo：1.1~1.3%, Cu：0.3~0.5%, Al：0.11~0.13%, surplus is Fe and impurity.The present invention improves the cutting ability of engraving knife die by the content of Ni and Cu；The hardness of engraving knife die is improved by the content of Nb, Ti, Cr and Cu, before not thermally treated, hardness is up to HRC51 53, thermally treated reachable HRC55 57 after testing；Toughness is improved by the content of Nb, Ti, Ni, Cr and Al, toughness is up to 77 79J/cm after testing2。

Description

A kind of high rigidity precision engraving knife die
Technical field
The present invention relates to a kind of mold, the high rigidity of specifically a kind of toughness, machinability and excellent in abrasion resistance is accurate Engraving knife die.
Background technology
Engraving knife die is being die cut product more commonly used in industry, is generally used for stamping out the shape of required die cutting product Shape.Its precision is higher.Relative to laser cutter mould, the precision higher of engraving knife die can be controlled in ± 0.03MM, and laser cutter mould For precision in ± 0.1MM, precision is obvious.But the process time of engraving knife die 2 times or more more than laser cutter mould, Material expenditure of time is more, and the price of engraving knife die is caused to be higher by much than the price of traditional cutting die.Engraving knife die is usually with 50 More degree, the steel material of 8mm thickness, more robust, punching press number is more, and can repeatedly repair the knife edge.But it with precision height, is unlikely to deform The advantages that.Compared to etching cutting die, engraving knife die is directly to understand knife line periphery clout with machine, if engraving knife die is slightly big Point, engraving knife die bottom plate can be curved and yielding.
Invention content
The technical problem to be solved by the present invention is to, propose a kind of high rigidity precision engraving knife die, can be effectively increased toughness, Machinability, abrasion resistance and hardness.
The technical solution that the present invention solves the above technical problem is：
A kind of high rigidity precision engraving knife die, weight percent composition are：C：0.27~0.29%, Si：1.3~1.5%, Mn：1.3~1.5%, P：0.013~0.015%, S：0.005~0.007%, Nb：0.025~0.027%, Ti：0.073~ 0.075%, Ni：0.2~0.4%, Mo：1.1~1.3%, Cu：0.3~0.5%, Al：0.11~0.13%, surplus is Fe and impurity.
The heat treatment process of high rigidity precision engraving knife die, heat treatment process carry out after artistic carving, heat treatment process Include the following steps：
(i) engraving knife die is heated to 850-870 DEG C, keeps the temperature 11-13 minutes, then in 10-13 seconds water cooling to 650- It is 670 DEG C, then 10-13 minutes air-cooled, then cutting die is heated to 750-770 DEG C, then it is cooled fast to by compressed air 350-370 DEG C, finally it is air-cooled to room temperature；
(ii) engraving knife die is heated to 650-670 DEG C, keeps the temperature 17-19 minutes, then passes through compressed air in 22-25 seconds It is cooled to 553-558 DEG C, engraving knife die is then cooled to 420-450 DEG C using spray form water, then cutting die is heated to 710-730 DEG C, then water cooling is finally air-cooled to room temperature to 410-430 DEG C.
The beneficial effects of the invention are as follows：The present invention improves the cutting ability of engraving knife die by the content of Ni and Cu；It is logical The content of Nb, Ti, Cr and Cu are crossed to improve the hardness of engraving knife die, before not thermally treated, hardness is up to HRC51-53 after testing； Toughness is improved by the content of Nb, Ti, Ni, Cr and Al, toughness is up to 77-79J/cm after testing2；In addition, due to graver The preparation of mould needs machine to understand knife line periphery clout, therefore, cannot be by the control of ingredient come most in the design of its ingredient Big its hardness of the raising of degree, can increase engraving difficulty in this way, if but engraving knife die do it is slightly a little bigger, not due to hardness Enough, engraving knife die bottom plate can be curved and yielding, and therefore, the present invention improves its hardness by subsequent heat treatment, and the present invention is logical Overheating Treatment technique makes engraving knife die have higher intensity, and hardness is up to HRC55-57, the engraving of the big specification of system after testing Bottom plate is unlikely to deform after cutting die；In addition, punching material contains glue class mostly, need it with antiacid corrosion resisting property, the present invention is logical Its antiacid corrosion resisting property can be improved by crossing subsequent heat treatment, had excellent antiacid corrosion resisting property, obtained unexpected Technique effect, engraving knife die HIC performances of the present invention, experiment are carried out according to NACE TM0248-A experimental solutions standards,（CTR）≤ 5%,（CSR）≤ 2%,（CLR）≤15%；SSC performances carry out four-point bending test by ASTM G39 standards, in NACE TM0177 Solution A in carry out 4 bend tests, test period 720 hours, sample loading stress be practical yield strength 80%, try It is observed under 10 times of enlargement ratios after testing, test specimen thickness of sample direction does not have crackle.
Specific implementation mode
Embodiment 1
The present embodiment is a kind of high rigidity precision engraving knife die, and weight percent composition is：C：0.27%, Si：1.3%, Mn：1.3%, P：0.013%, S：0.005%, Nb：0.025%, Ti：0.073%, Ni：0.2%, Mo：1.1%, Cu：0.3%, Al： 0.11%, surplus is Fe and impurity.
The heat treatment process of the high rigidity precision engraving knife die of the present embodiment, heat treatment process include the following steps：
(i) engraving knife die is heated to 850 DEG C, keeps the temperature 11 minutes, then water cooling is to 650 DEG C in 10 seconds, and then air-cooled 10 Minute, then cutting die is heated to 750 DEG C, 350 DEG C then are cooled fast to by compressed air, is finally air-cooled to room temperature；
(ii) engraving knife die is heated to 650 DEG C, keeps the temperature 17 minutes, is then cooled to 553 DEG C by compressed air in 22 seconds, Then engraving knife die is cooled to 420 DEG C using spray form water, then cutting die is heated to 710 DEG C, then water cooling is to 410 DEG C, finally It is air-cooled to room temperature.
After testing, the present embodiment hardness surveys toughness up to 77J/cm up to HRC552；Engraving knife die HIC performances, experiment are pressed It is carried out according to NACE TM0248-A experimental solutions standards,（CTR）≤ 5%,（CSR）≤ 2%,（CLR）≤15%；SSC performances press ASTM G39 standards carry out four-point bending test, and 4 bend tests are carried out in the solution A of NACE TM0177, and test period 720 is small When, sample loading stress is the 80% of practical yield strength, is observed under 10 times of enlargement ratios after experiment, test specimen thickness of sample side To no crackle.
Embodiment 2
The present embodiment is a kind of high rigidity precision engraving knife die, weight percent composition C：0.28%, Si：1.4%, Mn：1.4%, P：0.014%, S：0.006%, Nb：0.026%, Ti：0.074%, Ni：0.3%, Mo：1.2%, Cu：0.4%, Al： 0.12%, surplus is Fe and impurity.
The heat treatment process of the high rigidity precision engraving knife die of the present embodiment, heat treatment process include the following steps：
(i) engraving knife die is heated to 860 DEG C, keeps the temperature 12 minutes, then water cooling is to 660 DEG C in 12 seconds, and then air-cooled 12 Minute, then cutting die is heated to 760 DEG C, 360 DEG C then are cooled fast to by compressed air, is finally air-cooled to room temperature；
(ii) engraving knife die is heated to 660 DEG C, keeps the temperature 18 minutes, is then cooled to 555 DEG C by compressed air in 23 seconds, Then engraving knife die is cooled to 430 DEG C using spray form water, then cutting die is heated to 720 DEG C, then water cooling is to 420 DEG C, finally It is air-cooled to room temperature.
After testing, the present embodiment hardness surveys toughness up to 78J/cm up to HRC562；Engraving knife die HIC performances, experiment are pressed It is carried out according to NACE TM0248-A experimental solutions standards,（CTR）≤ 5%,（CSR）≤ 2%,（CLR）≤15%；SSC performances press ASTM G39 standards carry out four-point bending test, and 4 bend tests are carried out in the solution A of NACE TM0177, and test period 720 is small When, sample loading stress is the 80% of practical yield strength, is observed under 10 times of enlargement ratios after experiment, test specimen thickness of sample side To no crackle.
Embodiment 3
The present embodiment is a kind of high rigidity precision engraving knife die, and weight percent composition is：C：0.29%, Si：1.5%, Mn：1.5%, P：0.015%, S：0.007%, Nb：0.027%, Ti：0.075%, Ni：0.4%, Mo：1.3%, Cu：0.5%, Al： 0.13%, surplus is Fe and impurity.
The heat treatment process of the high rigidity precision engraving knife die of the present embodiment, heat treatment process include the following steps：
(i) engraving knife die is heated to 870 DEG C, keeps the temperature 13 minutes, then water cooling is to 670 DEG C in 13 seconds, and then air-cooled 13 Minute, then cutting die is heated to 770 DEG C, 370 DEG C then are cooled fast to by compressed air, is finally air-cooled to room temperature；
(ii) engraving knife die is heated to 670 DEG C, keeps the temperature 19 minutes, is then cooled to 558 DEG C by compressed air in 25 seconds, Then engraving knife die is cooled to 450 DEG C using spray form water, then cutting die is heated to 730 DEG C, then water cooling is to 430 DEG C, finally It is air-cooled to room temperature.
After testing, the present embodiment hardness surveys toughness up to 79J/cm up to HRC572；Engraving knife die HIC performances, experiment are pressed It is carried out according to NACE TM0248-A experimental solutions standards,（CTR）≤ 5%,（CSR）≤ 2%,（CLR）≤15%；SSC performances press ASTM G39 standards carry out four-point bending test, and 4 bend tests are carried out in the solution A of NACE TM0177, and test period 720 is small When, sample loading stress is the 80% of practical yield strength, is observed under 10 times of enlargement ratios after experiment, test specimen thickness of sample side To no crackle.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape At technical solution, fall within the scope of protection required by the present invention.

Claims (7)

1. a kind of heat treatment process of high rigidity precision engraving knife die, the weight percent of the high rigidity precision engraving knife die at It is divided into：C：0.27~0.29%, Si：1.3~1.5%, Mn：1.3~1.5%, P：0.013~0.015%, S：0.005~0.007%, Nb：0.025~0.027%, Ti：0.073~0.075%, Ni：0.2~0.4%, Mo：1.1~1.3%, Cu：0.3~0.5%, Al： 0.11~0.13%, surplus is Fe and impurity；
The heat treatment process carries out after artistic carving, it is characterised in that：The heat treatment process includes the following steps：
(i) engraving knife die is heated to 850-870 DEG C, keeps the temperature 11-13 minutes, then in 10-13 seconds water cooling to 650-670 DEG C, Then 10-13 minutes air-cooled, then cutting die is heated to 750-770 DEG C, 350-370 is then cooled fast to by compressed air DEG C, finally it is air-cooled to room temperature；
(ii) engraving knife die is heated to 650-670 DEG C, keeps the temperature 17-19 minutes, be then cooled to by compressed air in 22-25 seconds 553-558 DEG C, engraving knife die is then cooled to 420-450 DEG C using spray form water, then cutting die is heated to 710-730 DEG C, so Water cooling is finally air-cooled to room temperature to 410-430 DEG C afterwards.
2. the heat treatment process of high rigidity precision engraving knife die as described in claim 1, it is characterised in that：The high rigidity essence The weight percent composition of close engraving knife die is：C：0.27%, Si：1.3%, Mn：1.3%, P：0.013%, S：0.005%, Nb： 0.025%, Ti：0.073%, Ni：0.2%, Mo：1.1%, Cu：0.3%, Al：0.11%, surplus is Fe and impurity.
3. the heat treatment process of high rigidity precision engraving knife die as described in claim 1, it is characterised in that：The high rigidity essence The weight percent composition of close engraving knife die is C：0.28%, Si：1.4%, Mn：1.4%, P：0.014%, S：0.006%, Nb： 0.026%, Ti：0.074%, Ni：0.3%, Mo：1.2%, Cu：0.4%, Al：0.12%, surplus is Fe and impurity.
4. the heat treatment process of high rigidity precision engraving knife die as described in claim 1, it is characterised in that：The high rigidity essence The weight percent composition of close engraving knife die is：C：0.29%, Si：1.5%, Mn：1.5%, P：0.015%, S：0.007%, Nb： 0.027%, Ti：0.075%, Ni：0.4%, Mo：1.3%, Cu：0.5%, Al：0.13%, surplus is Fe and impurity.
5. the heat treatment process of high rigidity precision engraving knife die as described in claim 1, it is characterised in that：The heat treatment process Include the following steps：
(i) engraving knife die is heated to 850 DEG C, keeps the temperature 11 minutes, then water cooling is to 650 DEG C in 10 seconds, then air-cooled 10 points Clock, then cutting die is heated to 750 DEG C, 350 DEG C then are cooled fast to by compressed air, is finally air-cooled to room temperature；
(ii) engraving knife die is heated to 650 DEG C, keeps the temperature 17 minutes, is then cooled to 553 DEG C by compressed air in 22 seconds, then Engraving knife die is cooled to 420 DEG C using spray form water, then cutting die is heated to 710 DEG C, then water cooling is last air-cooled to 410 DEG C To room temperature.
6. the heat treatment process of high rigidity precision engraving knife die as described in claim 1, it is characterised in that：The heat treatment process Include the following steps：
(i) engraving knife die is heated to 860 DEG C, keeps the temperature 12 minutes, then water cooling is to 660 DEG C in 12 seconds, then air-cooled 12 points Clock, then cutting die is heated to 760 DEG C, 360 DEG C then are cooled fast to by compressed air, is finally air-cooled to room temperature；
(ii) engraving knife die is heated to 660 DEG C, keeps the temperature 18 minutes, is then cooled to 555 DEG C by compressed air in 23 seconds, then Engraving knife die is cooled to 430 DEG C using spray form water, then cutting die is heated to 720 DEG C, then water cooling is last air-cooled to 420 DEG C To room temperature.
7. the heat treatment process of high rigidity precision engraving knife die as described in claim 1, it is characterised in that：The heat treatment process Include the following steps：
(i) engraving knife die is heated to 870 DEG C, keeps the temperature 13 minutes, then water cooling is to 670 DEG C in 13 seconds, then air-cooled 13 points Clock, then cutting die is heated to 770 DEG C, 370 DEG C then are cooled fast to by compressed air, is finally air-cooled to room temperature；
(ii) engraving knife die is heated to 670 DEG C, keeps the temperature 19 minutes, is then cooled to 558 DEG C by compressed air in 25 seconds, then Engraving knife die is cooled to 450 DEG C using spray form water, then cutting die is heated to 730 DEG C, then water cooling is last air-cooled to 430 DEG C To room temperature.
CN201710197049.4A 2017-03-29 2017-03-29 A kind of high rigidity precision engraving knife die Active CN107058868B (en)

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CN201710197049.4A CN107058868B (en) 2017-03-29 2017-03-29 A kind of high rigidity precision engraving knife die
PCT/CN2017/115355 WO2018176904A1 (en) 2017-03-29 2017-12-09 High-hardness precision carving knife mold
DE202017006854.0U DE202017006854U1 (en) 2017-03-29 2017-12-09 Precise engraving tool with high hardness

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CN107058868B (en) * 2017-03-29 2018-08-03 苏州浩焱精密模具有限公司 A kind of high rigidity precision engraving knife die
CN114592108A (en) * 2022-03-11 2022-06-07 深圳市常丰激光刀模有限公司 High-hardness precise engraving cutting die and preparation method thereof

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US20180044751A1 (en) * 2015-02-27 2018-02-15 Jfe Steel Corporation High-strength cold-rolled steel sheet and method for manufacturing the same (as amended)
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Publication number Priority date Publication date Assignee Title
WO2012098938A1 (en) * 2011-01-18 2012-07-26 株式会社神戸製鋼所 Delayed-fracture-resistant boron-containing steel for high-strength bolts, and high-strength bolts
WO2012153831A1 (en) * 2011-05-12 2012-11-15 日本発條株式会社 Steel for automotive suspension spring component, automotive suspension spring component, and manufacturing method for same
CN102936699A (en) * 2012-10-23 2013-02-20 安徽荣达阀门有限公司 Mold steel used in cold punching die
WO2016052093A1 (en) * 2014-09-30 2016-04-07 株式会社神戸製鋼所 Steel for bolts, and bolt
CN105695703A (en) * 2014-11-28 2016-06-22 重庆基石机械有限公司 Heat treatment process for die steel

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DE202017006854U1 (en) 2018-08-07

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