CN102936692B - Cold punching die mold steel processing method - Google Patents
Cold punching die mold steel processing method Download PDFInfo
- Publication number
- CN102936692B CN102936692B CN201210406363.6A CN201210406363A CN102936692B CN 102936692 B CN102936692 B CN 102936692B CN 201210406363 A CN201210406363 A CN 201210406363A CN 102936692 B CN102936692 B CN 102936692B
- Authority
- CN
- China
- Prior art keywords
- die steel
- hour
- incubated
- temperature
- 2min
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 43
- 239000010959 steel Substances 0.000 title claims abstract description 43
- 238000004080 punching Methods 0.000 title claims abstract description 10
- 238000003672 processing method Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 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
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-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
- 239000010949 copper Substances 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
- 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
- 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
- 238000010791 quenching Methods 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 12
- 230000000171 quenching effect Effects 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000005422 blasting Methods 0.000 claims description 5
- 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
- 239000005864 Sulphur Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 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
- 239000003921 oil Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract 1
- 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
- 239000000758 substrate Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000004806 packaging method and process 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
- 238000005242 forging Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Heat Treatment Of Articles (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses a cold punching die mold steel processing method. The method comprises the steps that: a, a mold steel blank material casting step is carried out, wherein the mold steel blank material comprises the chemical components of, by weight: 0.26-0.36% of carbon, 1.05-1.50% of manganese, 0.35-0.60% of silicon, no more than 0.034% of phosphorus, no more than 0.0360% of sulfur, 0.450-0.65% of chromium, 0.003-0.006% of molybdenum, 0.001-0.025% of nickel, 0.005-0.015% of vanadium, 0.008-0.025% of copper, and a substrate of iron; the temperature of cast and shaped mold steel is reduced to 290 DEG C, and is increased to 650-760 DEG C; the temperature is maintained for 5-6h; furnace cooling is carried out until the temperature is 280-320 DEG C, and the temperature is maintained for 3-5h; the temperature is increased to 650-690 DEG C, and is maintained for 32h; and the temperature is reduced to 400 DEG C with a speed of 40 DEG C/h, and is reduced to 120 DEG C with a speed of 18 DEG C/h. The method provided by the invention has the advantages of simple process, good effect, low material cost, and good performance of prepared drawing die mold steel.
Description
Technical field
The present invention relates to the working method of cold-punching mould die steel.
Background technology
At present, cold-punching mould die steel, production technology has the following disadvantages:
1, large batch of product, large by labor intensity of operating staff, and quality product, entirely with manual control, labour-intensive technology, is inappropriate this technique of using, and production efficiency is very low;
2, its toughness is not fine, can not satisfy the demand, and for withstanding shocks, load easily causes fracture.
Summary of the invention
A kind of working method of cold-punching mould die steel is provided in object of the present invention, and technique of the present invention is simple, effective, and the cost of material is low, the die steel good mechanical property making.
Technical scheme of the present invention is as follows:
The working method of cold-punching mould 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 ℃, reheats to 650-760 ℃, and insulation 5-6 hour, stove is chilled to 280-320 ℃, insulation 3-5 hour, reheats to 650-690 ℃, is incubated 32 hours, be cooled to 400 ℃ with 40 ℃/h, then with 18 ℃/h, be cooled to 120 ℃;
B, heat treatment step
Die steel after hot school is processed is heated to 900-950 ℃, then puts into 200-300 ℃ of salt bath insulation isothermal quenching in 2-3 hour, reheats 330-380 ℃, is incubated 2-3 hour temper;
C, by the die steel Shot Blasting after thermal treatment;
D, quench treatment: die steel is sent into and in heat treatment furnace, is heated to 850-890 ℃, and be incubated 2-3 hour; Then, cooling with quenching oil;
E, temper: the die steel after quenching is sent in tempering stove and is heated to 300-400 ℃, be incubated 50-70min; After air cooling, die steel is processed 5-6 hour in liquid nitrogen at-190 ℃;
F, bonderizing; by workpiece, at showing tremendous enthusiasm closure temperature, be 180-200 ℃ at normal temperatures; adopt the surface conditioner that pH value is 8 to process 1min; after dripping empty 1-2min; adopt phosphorization agent to process 15-20min, then after dripping empty 1-2min, adopt clear water to clean 1-2min; drip again after empty 1-2min, workpiece is placed in to the hot water of 78-100 ℃, process 0.5-1min;
G, by the piece packaging of Shot Blasting.
In described step b, the die steel after hot school is processed is heated to 930 ℃, then puts into 250 ℃ of salt bath insulations isothermal quenching in 2.5 hours, reheats 350 ℃, is incubated 2.5 hours temper.
The present invention makes it be beneficial to large batch of industrialized production, and the phenomenon that has reduced appearance folder dirt in forging process, has been not fully filled, the mechanical property of product is further improved, saved product materials, technique is simple, effective, and the cost of material is low, the die steel good mechanical property making, the die life of having improved product.
Embodiment
The working method of cold-punching mould 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 ℃, reheats to 650-760 ℃, and insulation 5-6 hour, stove is chilled to 280-320 ℃, insulation 3-5 hour, reheats to 650-690 ℃, is incubated 32 hours, be cooled to 400 ℃ with 40 ℃/h, then with 18 ℃/h, be cooled to 120 ℃;
B, heat treatment step
Die steel after hot school is processed is heated to 900-950 ℃, then puts into 200-300 ℃ of salt bath insulation isothermal quenching in 2-3 hour, reheats 330-380 ℃, is incubated 2-3 hour temper;
C, by the die steel Shot Blasting after thermal treatment;
D, quench treatment: die steel is sent into and in heat treatment furnace, is heated to 850-890 ℃, and be incubated 2-3 hour; Then, cooling with quenching oil;
E, temper: the die steel after quenching is sent in tempering stove and is heated to 300-400 ℃, be incubated 50-70min; After air cooling, die steel is processed 5-6 hour in liquid nitrogen at-190 ℃;
F, bonderizing; by workpiece, at showing tremendous enthusiasm closure temperature, be 180-200 ℃ at normal temperatures; adopt the surface conditioner that pH value is 8 to process 1min; after dripping empty 1-2min; adopt phosphorization agent to process 15-20min, then after dripping empty 1-2min, adopt clear water to clean 1-2min; drip again after empty 1-2min, workpiece is placed in to the hot water of 78-100 ℃, process 0.5-1min;
G, by the piece packaging of Shot Blasting.
In described step b, the die steel after hot school is processed is heated to 930 ℃, then puts into 250 ℃ of salt bath insulations isothermal quenching in 2.5 hours, reheats 350 ℃, is incubated 2.5 hours temper.
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:61-69
Bending strength: 2400-2900Mpa
Impelling strength: 65-74J/cm2
Ultimate compression strength: 2000-2300 Mpa
Wear resistance: reach D2.
Claims (1)
1. the working method of cold-punching mould die steel, is characterized in that: 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; The die steel temperature of casting is down to 290 ℃, reheats to 650-760 ℃, and insulation 5-6 hour, stove is chilled to 280-320 ℃, insulation 3-5 hour, reheats to 650-690 ℃, is incubated 32 hours, be cooled to 400 ℃ with 40 ℃/h, then with 18 ℃/h, be cooled to 120 ℃;
B, heat treatment step
Die steel after hot school is processed is heated to 900-950 ℃, then puts into 200-300 ℃ of salt bath insulation isothermal quenching in 2-3 hour, reheats 330-380 ℃, is incubated 2-3 hour temper;
C, by the die steel Shot Blasting after thermal treatment;
D, quench treatment: die steel is sent into and in heat treatment furnace, is heated to 850-890 ℃, and be incubated 2-3 hour; Then, cooling with quenching oil;
E, temper: the die steel after quenching is sent in tempering stove and is heated to 300-400 ℃, be incubated 50-70min; After air cooling, die steel is processed 5-6 hour in liquid nitrogen at-190 ℃;
F, bonderizing; at normal temperatures by workpiece in showing tremendous enthusiasm sealing; temperature is 180-200 ℃; adopt the surface conditioner that pH value is 8 to process 1min, after dripping empty 1-2min, adopt phosphorization agent to process 15-20min; again after dripping empty 1-2min; adopt clear water to clean 1-2min, then drip after empty 1-2min, workpiece is placed in to the hot water of 78-100 ℃, process 0.5-1min;
G, packing.
2.the working method of cold-punching mould die steel according to claim 1, it is characterized in that: in described step b, the die steel after hot school is processed is heated to 930 ℃, then put into 250 ℃ of salt bath insulations isothermal quenching in 2.5 hours, reheat 350 ℃, be incubated 2.5 hours temper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406363.6A CN102936692B (en) | 2012-10-23 | 2012-10-23 | Cold punching die mold steel processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406363.6A CN102936692B (en) | 2012-10-23 | 2012-10-23 | Cold punching die mold steel processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102936692A CN102936692A (en) | 2013-02-20 |
| CN102936692B true CN102936692B (en) | 2014-10-08 |
Family
ID=47695613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210406363.6A Expired - Fee Related CN102936692B (en) | 2012-10-23 | 2012-10-23 | Cold punching die mold steel processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102936692B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105483503A (en) * | 2015-12-04 | 2016-04-13 | 皖西学院 | Preparation method of mold steel for excavator track |
| CN105543579A (en) * | 2015-12-28 | 2016-05-04 | 合肥中澜新材料科技有限公司 | Forging technique of low-chromium aluminum alloy ingot |
| CN105729079B (en) * | 2016-03-30 | 2018-01-02 | 马鞍山市长冶重工科技有限公司 | A kind of processing method of piston forging die |
| CN106011597A (en) * | 2016-07-28 | 2016-10-12 | 董超超 | Die steel capable of detecting integrity thereof |
| CN106702271A (en) * | 2016-11-21 | 2017-05-24 | 杭州汽轮铸锻有限公司 | Low alloy and high strength B50E54C casting material and casting preparation method |
| CN106591685B (en) * | 2016-12-13 | 2018-10-30 | 柳州通为机械有限公司 | Automobile axle shaft forge die |
| 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 |
| CN118895411B (en) * | 2024-07-19 | 2025-02-11 | 广东润德利科技有限公司 | Plastic mold steel and heat treatment process |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0479832A4 (en) * | 1989-06-30 | 1993-01-07 | The Broken Hill Proprietary Company Limited | Steel composition for a composite roll and heat treatment thereof |
| JP2002167644A (en) * | 2000-11-30 | 2002-06-11 | Daido Steel Co Ltd | Heat treatment constant strain cold tool steel and method for manufacturing cold tool using the same |
| CN101549449B (en) * | 2008-03-31 | 2011-01-19 | 江都狮鹤高强度螺栓有限公司 | Processing technology for high-strength large hexagon head bolt used for steel structure |
| CN101549448B (en) * | 2008-03-31 | 2010-11-17 | 江都狮鹤高强度螺栓有限公司 | Processing Technology of High-strength Bolts Used in Bolted Ball Joints of Steel Grid Frame |
| CN102140612A (en) * | 2011-02-23 | 2011-08-03 | 上海三一重机有限公司 | Multi-component alloy cast steel bucket tooth and production process thereof |
-
2012
- 2012-10-23 CN CN201210406363.6A patent/CN102936692B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102936692A (en) | 2013-02-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102936692B (en) | Cold punching die mold steel processing method | |
| CN104017965B (en) | A kind of process technique improving Cr12MoV steel obdurability | |
| CN102974742B (en) | Processing method of movable fork | |
| CN102260818A (en) | High-silicon anticorrosion cast iron and manufacturing method thereof | |
| CN114231842B (en) | 3D printing stainless steel material and heat treatment method after printing | |
| CN102994907A (en) | Casting method of check valve body | |
| CN102990292A (en) | Processing method of shift fork shaft | |
| CN103071749A (en) | Method for machining forklift pallet fork | |
| CN103993233B (en) | A kind of long-life die casting die steel and the process of manufacture magnalium compression mod | |
| CN101880836A (en) | A kind of boron-containing die steel and heat treatment method thereof | |
| CN109182699A (en) | A kind of processing technology of die steel | |
| CN103710646A (en) | Ultrahard low-chromium-content grinding body and manufacturing method thereof | |
| CN102936693B (en) | Drawing die mold steel processing method | |
| CN102989982B (en) | Forging method of driving shaft for gearbox | |
| CN102994910A (en) | Casting method of gate valve rod | |
| CN102950428B (en) | The processing method of plastic die steel steel plate | |
| CN102994906A (en) | Preparation method of ball valve body | |
| CN102953011B (en) | The working method of plastic die steel | |
| CN103060699B (en) | Processing method of cold-work die steel | |
| CN106854738A (en) | A kind of easy cutting plastic mold steel and its heat treatment method | |
| CN103060672A (en) | Preparation process for die steel | |
| CN102994886B (en) | A kind of method of casting stopping valve valve plate processed | |
| CN102994861B (en) | A kind of castmethod of spherical check valve rod | |
| CN102979956B (en) | A kind of warm forging forming method of throttle valve stem | |
| CN103692153A (en) | Manufacturing method of reaction arm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20151023 |
|
| EXPY | Termination of patent right or utility model |