CN102953011A - Processing method of plastic die steel - Google Patents
Processing method of plastic die steel Download PDFInfo
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- CN102953011A CN102953011A CN201210406750XA CN201210406750A CN102953011A CN 102953011 A CN102953011 A CN 102953011A CN 201210406750X A CN201210406750X A CN 201210406750XA CN 201210406750 A CN201210406750 A CN 201210406750A CN 102953011 A CN102953011 A CN 102953011A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 229920003023 plastic Polymers 0.000 title claims abstract description 15
- 239000004033 plastic Substances 0.000 title claims abstract description 15
- 238000003672 processing method Methods 0.000 title abstract 3
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [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
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000010949 copper Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 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
- 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
- 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
- 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
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 4
- 239000010703 silicon 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
- 238000005266 casting Methods 0.000 claims description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000005864 Sulphur Substances 0.000 claims description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 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
- 239000000126 substance Substances 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Abstract
The invention discloses a processing method of plastic die steel. The method comprises the following steps of: pouring a die steel blank, wherein the die steel blank comprises the following components in percentage by weight: 0.26 to 0.36 percent of carbon, 1.05 to 1.50 percent of manganese, 0.35 to 0.60 percent of silicon, less than or equal to 0.034 percent of phosphor, less than or equal to 0.0360 percent of sulfur, 0.0450 to 0.65 percent of chromium, 0.003 to 0.006 percent of molybdenum, 0.001 to 0.025 percent of nickel, 0.005 to 0.015 percent of vanadium, 0.008 to 0.025 percent of copper, and iron serving as a substrate; cooling the pouring formed blank to a temperature of 290 DEG C, heating to a temperature of 700 DEG C, and insulating for 5.5 hours; cooling the furnace to a temperature of 300 DEGC, and insulating for 4 hours; heating to a temperature of between 650 and 690 DEGC, insulating for 32 hours; cooling to a temperature of 400 DEG C in 40 DEG C per hour; and cooling to 120 DEG C in 18 DEG C per hour. The processing method is simple in process and low in material cost, and has a good effect; and the processed plastic die steel has good mechanical performance.
Description
Technical field
The present invention relates to the working method of plastic die steel.
Background technology
At present, the plastic die steel die steel that is used for producing mould for plastics need to have following characteristic:
(1) the minute surface finishability is good, is difficult for occuring pin hole and small pit;
(2) the polishing processibility is good;
(3) anticorrosive good with getting rusty property;
(4) intensity, wear resistance and toughness are good;
(5) machinability is good.
Usually the medium C-Mn-Cr-Mo-Fe such as example such as JIS SCM440 be steel as plastic shaping die steel, but above-mentioned requirements increased, in addition, in recent years, the reduction of producing the time of delivery is as client's important requirement appearance.Satisfy this requirement in order to reduce the procedure of processing number, usually use various steel, for example low-carbon Mn-Cr-Mo-S-Fe is steel (seeing JP-A-48-093518), contains the steel (seeing JP-A-58-067850 or JP-A-60-204868) of Cu to what above-mentioned steel (being JP-A-48-093518) added the modification steel (JP-A-52-065557) of Ni and improvement machinability without sulphur in order to improve hardenability.
Summary of the invention
A kind of working method of plastic die steel is provided on the purpose of the present invention, and technique of the present invention is simple, and is effective, and the cost of material is low, the plastic die steel good mechanical property that makes.
Technical scheme of the present invention is as follows:
The working method of plastic die steel may further comprise the steps:
A, casting mold steel billet material step
The weight percent of each chemical composition is in the die steel blank: 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 ℃, reheats to 650-760 ℃, is incubated 5-6 hour, and stove is chilled to 280-320 ℃, be incubated 3-5 hour, reheat to 650-690 ℃, be incubated 32 hours, be cooled to 400 ℃ with 40 ℃/hour, again with 18 ℃/hour, be cooled to 120 ℃;
B, heat treatment step
Die steel after the processing of hot school is heated to 900-950 ℃, puts into again 200-300 ℃ of salt bath insulation isothermal quenching in 2-3 hour, reheat 330-380 ℃, be incubated 2-3 hour temper;
C, with the die steel Shot Blasting after the thermal treatment;
D, die steel was processed 5-6 hour in-190 ℃ of left and right sides liquid nitrogen;
E, rise to room temperature, preserve after 24-36 hour, reheat to 240-260 ℃, be incubated 2-3 hour, air cooling.
The base substrate temperature of casting is down to 290 ℃ in the described die steel blank step, reheats to 700 ℃, is incubated 5.5 hours, and stove is chilled to 300 ℃, be incubated 4 hours, reheat to 650-690 ℃, be incubated 32 hours, be cooled to 400 ℃ with 40 ℃/hour, again with 18 ℃/hour, be cooled to 120 ℃.
The present invention makes it be beneficial to large batch of industrialized production, and the phenomenon that has reduced appearance folder dirt in the forging process, has been not fully filled, the mechanical property of product is further improved, saved product materials, technique is simple, and is effective, and the cost of material is low, the plastic die steel good mechanical property that makes, the die life of having improved 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: 2100-2300 Mpa
Wear resistance: reach D2.
Embodiment
The working method of plastic die steel may further comprise the steps:
A, casting mold steel billet material step
The weight percent of each chemical composition is in the die steel blank: 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 base substrate temperature of casting is down to 290 ℃ in the die steel blank step of casting, reheat to 700 ℃, be incubated 5.5 hours, stove is chilled to 300 ℃, is incubated 4 hours, reheats to 650-690 ℃, be incubated 32 hours, be cooled to 400 ℃ with 40 ℃/hour, again with 18 ℃/hour, be cooled to 120 ℃;
B, heat treatment step
Die steel after the processing of hot school is heated to 900-950 ℃, puts into again 200-300 ℃ of salt bath insulation isothermal quenching in 2-3 hour, reheat 330-380 ℃, be incubated 2-3 hour temper;
C, with the die steel Shot Blasting after the thermal treatment;
D, die steel was processed 5-6 hour in-190 ℃ of left and right sides liquid nitrogen;
E, rise to room temperature, preserve after 24-36 hour, reheat to 240-260 ℃, be incubated 2-3 hour, air cooling.
Claims (2)
1. the working method of plastic die steel is characterized in that: may further comprise the steps:
A, casting mold steel billet material step
The weight percent of each chemical composition is in the die steel blank: 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 ℃, reheats to 650-760 ℃, is incubated 5-6 hour, and stove is chilled to 280-320 ℃, be incubated 3-5 hour, reheat to 650-690 ℃, be incubated 32 hours, be cooled to 400 ℃ with 40 ℃/hour, again with 18 ℃/hour, be cooled to 120 ℃;
B, heat treatment step
Die steel after the processing of hot school is heated to 900-950 ℃, puts into again 200-300 ℃ of salt bath insulation isothermal quenching in 2-3 hour, reheat 330-380 ℃, be incubated 2-3 hour temper;
C, with the die steel Shot Blasting after the thermal treatment;
D, die steel was processed 5-6 hour in-190 ℃ of left and right sides liquid nitrogen;
E, rise to room temperature, preserve after 24-36 hour, reheat to 240-260 ℃, be incubated 2-3 hour, air cooling.
2. the working method of plastic die steel according to claim 1, it is characterized in that: the base substrate temperature of casting is down to 290 ℃ in the described die steel blank step, reheat to 700 ℃, be incubated 5.5 hours, stove is chilled to 300 ℃, be incubated 4 hours, reheat to 650-690 ℃, be incubated 32 hours, be cooled to 400 ℃ with 40 ℃/hour, with 18 ℃/hour, be cooled to 120 ℃ again.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953011A true CN102953011A (en) | 2013-03-06 |
| CN102953011B CN102953011B (en) | 2016-02-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210406750.XA Active CN102953011B (en) | 2012-10-23 | 2012-10-23 | The working method of plastic die steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102953011B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 (4)
| 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 |
| JP2008127643A (en) * | 2006-11-22 | 2008-06-05 | Hitachi Metals Ltd | Prehardened steel having excellent machinability and toughness and its production method |
-
2012
- 2012-10-23 CN CN201210406750.XA patent/CN102953011B/en active Active
Patent Citations (4)
| 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 |
| JP2008127643A (en) * | 2006-11-22 | 2008-06-05 | Hitachi Metals Ltd | Prehardened steel having excellent machinability and toughness and its production method |
| CN101070580A (en) * | 2007-03-05 | 2007-11-14 | 大连海事大学 | Alloy tool steel in multi-type super-fine carbonates |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102953011B (en) | 2016-02-03 |
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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: 20160919 Address after: 244100, Anhui, Tongling province Tongling County West Village Chess stick Village Patentee after: Tongling Electronic Materials Co.,Ltd. Address before: 244100 new road, West Lake Town Development Zone, lion mountain, Tongling, Anhui Patentee before: Anhui Mingzhu Pigment Technology Co.,Ltd. |
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Effective date of registration: 20170517 Address after: 244199 new temple road, West Lake Town Development Zone, lion mountain, Anhui, Tongling Patentee after: Anhui Mingzhu Pigment Technology Co.,Ltd. Address before: 244100, Anhui, Tongling province Tongling County West Village Chess stick Village Patentee before: Tongling Electronic Materials Co.,Ltd. |
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Effective date of registration: 20180416 Address after: 545000, 5, 3, block A-1-1, Bailu Industrial Park, 1 Ma Chang Road, Liuzhou, the Guangxi Zhuang Autonomous Region. Patentee after: Liuzhou Hsiang Beijing Great Automotive Components Co.,Ltd. Address before: 244199 new temple road, West Lake Town Development Zone, lion mountain, Anhui, Tongling Patentee before: Anhui Mingzhu Pigment Technology Co.,Ltd. |
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Effective date of registration: 20210512 Address after: 221000 Wanggou Town Industrial Park, Feng County, Xuzhou City, Jiangsu Province Patentee after: Fengxian Youfa plastic products Co.,Ltd. Address before: 545000 floor 5, plot a-1-1, Bailu Industrial Park, 1 Machang Road, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: Liuzhou Hsiang Beijing Great Automotive Components 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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