CN102953011B - The working method of plastic die steel - Google Patents
The working method of plastic die steel Download PDFInfo
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- CN102953011B CN102953011B CN201210406750.XA CN201210406750A CN102953011B CN 102953011 B CN102953011 B CN 102953011B CN 201210406750 A CN201210406750 A CN 201210406750A CN 102953011 B CN102953011 B CN 102953011B
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- die steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 17
- 229920003023 plastic Polymers 0.000 title claims abstract description 15
- 239000004033 plastic Substances 0.000 title claims abstract description 15
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 17
- 238000005266 casting Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000005864 Sulphur Substances 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 239000011651 chromium Substances 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 4
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 239000011572 manganese Substances 0.000 claims abstract description 4
- 239000011159 matrix material Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 4
- 239000011733 molybdenum Substances 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 239000011574 phosphorus Substances 0.000 claims abstract description 4
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 239000010703 silicon Substances 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims abstract description 4
- 239000000758 substrate Substances 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000005422 blasting Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses the working method of plastic die steel, comprise the following steps: a, casting mold steel billet material step, in die steel blank, the weight percent of each chemical composition is: carbon 0.26-0.36%, manganese 1.05-1.50%, silicon 0.35-0.60%, phosphorus≤0.034%, sulphur≤0.0360%, chromium 0.450-0.65%, molybdenum 0.003-0.006%, nickel 0.001-0.025%, vanadium 0.005-0.015%, copper 0.008-0.025%, and matrix is iron; In the die steel blank step of casting, the base substrate temperature of casting is down to 290 DEG C, reheat to 700 DEG C, be incubated 5.5 hours, stove is chilled to 300 DEG C, is incubated 4 hours, reheats to 650-690 DEG C, be incubated 32 hours, be cooled to 400 DEG C with 40 DEG C/h, then with 18 DEG C/h, be cooled to 120 DEG C; Present invention process is simple, and effective, the cost of material is low, obtained plastic die steel good mechanical property.
Description
Technical field
The present invention relates to the working method of plastic die steel.
Background technology
At present, plastic die steel is used for producing the die steel of mould for plastics needs to have following characteristic:
(1) minute surface finishability is good, not easily pin hole and small pit occurs;
(2) processibility of polishing is good;
(3) anticorrosive good with getting rusty property;
(4) intensity, wear resistance and toughness are good;
(5) machinability is good.
The medium C-Mn-Cr-Mo-Fe system steel such as usual use such as JISSCM440 are as plastic shaping die steel, but above-mentioned requirements has increased, and in addition, in recent years, the reduction of producing the time of delivery occurs as the important requirement of client.In order to reduce procedure of processing number to meet this requirement, the various steel of usual use, such as low-carbon Mn-Cr-Mo-S-Fe system steel (see JP-A-48-093518), in order to improve hardenability to above-mentioned steel (i.e. JP-A-48-093518) add Ni modification steel (JP-A-52-065557) and improve machinability contain the steel (see JP-A-58-067850 or JP-A-60-204868) of Cu without sulphur.
Summary of the invention
Object of the present invention provides a kind of working method of plastic die steel, present invention process is simple, and effective, the cost of material is low, obtained plastic die steel good mechanical property.
Technical scheme of the present invention is as follows:
The working method of plastic die steel, comprises the following steps:
A, casting mold steel billet material step
In die steel blank, the weight percent of each chemical composition is: carbon 0.26-0.36%, manganese 1.05-1.50%, silicon 0.35-0.60%, phosphorus≤0.034%, sulphur≤0.0360%, chromium 0.450-0.65%, molybdenum 0.003-0.006%, nickel 0.001-0.025%, vanadium 0.005-0.015%, copper 0.008-0.025%, and matrix is iron; The die steel temperature of casting is down to 290 DEG C, reheats to 650-760 DEG C, insulation 5-6 hour, and stove is chilled to 280-320 DEG C, insulation 3-5 hour, reheats to 650-690 DEG C, is incubated 32 hours, be cooled to 400 DEG C with 40 DEG C/h, then with 18 DEG C/h, be cooled to 120 DEG C;
B, heat treatment step
Die steel after the process of hot school is heated to 900-950 DEG C, then puts into 200-300 DEG C of salt bath insulation isothermal quenching in 2-3 hour, reheat 330-380 DEG C, be incubated 2-3 hour temper;
C, by the die steel Shot Blasting after thermal treatment;
D, die steel is processed 5-6 hour in about-190 DEG C liquid nitrogen;
E, rise to room temperature, preserve after 24-36 hour, reheat to 240-260 DEG C, insulation 2-3 hour, air cooling.
In described die steel blank step, the base substrate temperature of casting is down to 290 DEG C, reheats to 700 DEG C, and be incubated 5.5 hours, stove is chilled to 300 DEG C, be incubated 4 hours, reheat to 650-690 DEG C, be incubated 32 hours, be cooled to 400 DEG C with 40 DEG C/h, then with 18 DEG C/h, be cooled to 120 DEG C.
The present invention makes it be beneficial to large batch of industrialized production, and decrease in forging process the phenomenon occurring that folder is dirty, be not fully filled, the mechanical property of product is improved further, save product materials, technique is simple, and effective, the cost of material is low, obtained plastic die steel good mechanical property, improves the die life of product.
Of the present invention
powerperformance detection data is as follows:
Of the present invention
powerperformance detection data is as follows:
Performance index are as follows after testing:
Hardness HRC:63-67
Bending strength: 2500-2800Mpa
Impelling strength: 62-74J/cm2
Ultimate compression strength: 2100-2300Mpa
Wear resistance: reach D2.
Embodiment
The working method of plastic die steel, comprises the following steps:
A, casting mold steel billet material step
In die steel blank, the weight percent of each chemical composition is: carbon 0.26-0.36%, manganese 1.05-1.50%, silicon 0.35-0.60%, phosphorus≤0.034%, sulphur≤0.0360%, chromium 0.450-0.65%, molybdenum 0.003-0.006%, nickel 0.001-0.025%, vanadium 0.005-0.015%, copper 0.008-0.025%, and matrix is iron; In the die steel blank step of casting, the base substrate temperature of casting is down to 290 DEG C, reheat to 700 DEG C, be incubated 5.5 hours, stove is chilled to 300 DEG C, is incubated 4 hours, reheats to 650-690 DEG C, be incubated 32 hours, be cooled to 400 DEG C with 40 DEG C/h, then with 18 DEG C/h, be cooled to 120 DEG C;
B, heat treatment step
Die steel after the process of hot school is heated to 900-950 DEG C, then puts into 200-300 DEG C of salt bath insulation isothermal quenching in 2-3 hour, reheat 330-380 DEG C, be incubated 2-3 hour temper;
C, by the die steel Shot Blasting after thermal treatment;
D, die steel is processed 5-6 hour in about-190 DEG C liquid nitrogen;
E, rise to room temperature, preserve after 24-36 hour, reheat to 240-260 DEG C, insulation 2-3 hour, air cooling.
Claims (2)
1. the working method of plastic die steel, is characterized in that: comprise the following steps:
In a, casting mold steel billet material step die steel blank, the weight percent of each chemical composition is: carbon 0.26-0.36%, manganese 1.05-1.50%, silicon 0.35-0.60%, phosphorus≤0.034%, sulphur≤0.0360%, chromium 0.450-0.65%, molybdenum 0.003-0.006%, nickel 0.001-0.025%, vanadium 0.005-0.015%, copper 0.008-0.025%, and matrix is iron; The die steel temperature of casting is down to 290 DEG C, reheats to 650-760 DEG C, insulation 5-6 hour, and stove is chilled to 280-320 DEG C, insulation 3-5 hour, reheats to 650-690 DEG C, is incubated 32 hours, be cooled to 400 DEG C with 40 DEG C/h, then with 18 DEG C/h, be cooled to 120 DEG C;
Heat is watered the die steel after process and is heated to 900-950 DEG C by b, heat treatment step, then puts into 200-300 DEG C of salt bath insulation isothermal quenching in 2-3 hour, reheats 330-380 DEG C, is incubated 2-3 hour temper;
C, by the die steel Shot Blasting after thermal treatment;
D, die steel is processed 5-6 hour in about-190 DEG C liquid nitrogen;
E, rise to room temperature, preserve after 24-36 hour, reheat to 240-260 DEG C, insulation 2-3 hour, air cooling.
2. the working method of plastic die steel according to claim 1, it is characterized in that: in described die steel blank step, the base substrate temperature of casting is down to 290 DEG C, reheat to 700 DEG C, be incubated 5.5 hours, stove is chilled to 300 DEG C, be incubated 4 hours, reheat to 650-690 DEG C, be incubated 32 hours, be cooled to 400 DEG C with 40 DEG C/h, again with 18 DEG C/h, be cooled to 120 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406750.XA CN102953011B (en) | 2012-10-23 | 2012-10-23 | The working method of plastic die steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406750.XA CN102953011B (en) | 2012-10-23 | 2012-10-23 | The working method of plastic die steel |
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| Publication Number | Publication Date |
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| CN102953011A CN102953011A (en) | 2013-03-06 |
| CN102953011B true CN102953011B (en) | 2016-02-03 |
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| CN201210406750.XA Active CN102953011B (en) | 2012-10-23 | 2012-10-23 | The working method of plastic die steel |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106191644A (en) * | 2016-07-07 | 2016-12-07 | 马鞍山云林百成机械制造有限公司 | Wearable hydraulic quartering hammer inner sleeve preparation method |
| CN107217203A (en) * | 2017-04-12 | 2017-09-29 | 滁州市东华模具制造有限公司 | A kind of preparation method of steel wheel hub cold punching die |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955328A (en) * | 2005-10-27 | 2007-05-02 | 日立金属株式会社 | Die steel |
| CN101070580A (en) * | 2007-03-05 | 2007-11-14 | 大连海事大学 | Alloy tool steel in multi-type super-fine carbonates |
| CN101096743A (en) * | 2006-06-27 | 2008-01-02 | 宝山钢铁股份有限公司 | Super-thick non-hardening plastic mold steel and method for manufacturing the same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4984319B2 (en) * | 2006-11-22 | 2012-07-25 | 日立金属株式会社 | Method for producing pre-hardened steel with excellent machinability and toughness |
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- 2012-10-23 CN CN201210406750.XA patent/CN102953011B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955328A (en) * | 2005-10-27 | 2007-05-02 | 日立金属株式会社 | Die steel |
| CN101096743A (en) * | 2006-06-27 | 2008-01-02 | 宝山钢铁股份有限公司 | Super-thick non-hardening plastic mold steel and method for manufacturing the same |
| CN101070580A (en) * | 2007-03-05 | 2007-11-14 | 大连海事大学 | Alloy tool steel in multi-type super-fine carbonates |
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| CN102953011A (en) | 2013-03-06 |
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Effective date of registration: 20151228 Address after: 244100 new road, West Lake Town Development Zone, lion mountain, Tongling, Anhui Applicant after: Anhui Mingzhu Pigment Technology Co.,Ltd. Address before: The people of North Song District lotus pond town of Tongling County in Anhui province 244100 Tongling City No. 3 comprehensive Applicant before: TONGLING KEHAI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221118 Address after: No. 20, Huikang Road, Industrial Park, Simen Town, Yuyao City, Ningbo City, Zhejiang Province 315470 Patentee after: Ningbo Schumacher Mould Technology Co.,Ltd. Address before: 221000 Wanggou Town Industrial Park, Feng County, Xuzhou City, Jiangsu Province Patentee before: Fengxian Youfa plastic products Co.,Ltd. |
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