CN100382922C - High rate steel and low carbide steel oxygen-free inlay process - Google Patents
High rate steel and low carbide steel oxygen-free inlay process Download PDFInfo
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- CN100382922C CN100382922C CNB2005100288058A CN200510028805A CN100382922C CN 100382922 C CN100382922 C CN 100382922C CN B2005100288058 A CNB2005100288058 A CN B2005100288058A CN 200510028805 A CN200510028805 A CN 200510028805A CN 100382922 C CN100382922 C CN 100382922C
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- Prior art keywords
- steel
- speed steel
- speed
- mild steel
- low
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 29
- 239000010959 steel Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title abstract description 9
- 229910000997 High-speed steel Inorganic materials 0.000 claims abstract description 72
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims abstract description 59
- 238000005096 rolling process Methods 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 230000006835 compression Effects 0.000 claims abstract description 16
- 238000007906 compression Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 229910000679 solder Inorganic materials 0.000 claims description 18
- 238000005516 engineering process Methods 0.000 claims description 14
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000005219 brazing Methods 0.000 abstract 1
- 239000000945 filler Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 238000005476 soldering Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 235000010339 sodium tetraborate Nutrition 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910021538 borax Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000004328 sodium tetraborate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical class [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
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- Heat Treatment Of Steel (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to an oxygen-free inlay composite process for high-speed steel and low-carbon steel, which comprises the steps that a high-speed steel knife edge is put on a low-carbon steel knife body paved with brazing filler metals, and a hot rolled steel plate is covered on the high-speed steel and the low-carbon steel; the circumference of the hot rolled steel plate is welded and sealed with the low-carbon steel so that the high-speed steel is positioned in the sealing state isolated with air; the combination of the high-speed steel and the low-carbon steel is put in a heating furnace and is heated by ten minutes to twenty minutes under the temperature from 1130DEG. C to 1220DEG. C; the combination is rolled by two times in a rolling mill, the high-speed steel is compounded with the low-carbon steel into a whole, wherein the first rolled compression ratio is from 12 % to 26%, and the second rolled compression ratio is from 6% to 15%. The corresponding heat treatment is performed to a knife manufactured by using the present invention, and the rigidity of the high-speed steel knife edge reaches up to 66HRC. The knife has the characteristics of high temperature resistance, impact resistance shock resistance, long service life, etc.
Description
Technical field
The present invention relates to a kind of edge system (soldering) combination process, relate in particular to a kind of high-speed steel and mild steel edge system (soldering) combination process under the non-oxidation state.
Background technology
High-speed steel is as shear steel, and mild steel is used to make cutter as the composite of cutter hub steel, has the advantage of high-speed steel blade, reduces cost again, especially is fit to make large-scale cutter.Two kinds of methods of the composite material by adopting of existing high-speed steel and mild steel, the one, no medium high compression ratio is compound, and the 2nd, adopt solder low compression ratio edge system.Adopt the copper solder, because the fusing point of copper is 1083 ℃, edge system temperature can only be at 1150～1200 ℃, to high-speed steel, and W18Cr4V particularly, because the copper solder can only be inlayed system back direct quenching, the heating-up temperature deficiency influences the serviceability of cutter; Adopt the crooked chisel material, tradition claims the edge steel, and high temperature heating over a long time makes the high-speed steel oxidation and decarbonization, and the qualification rate of edge system is low, only about 40～60%.
Summary of the invention
The present invention has overcome prior art high speed steel and mild steel adopts the low shortcoming of crooked chisel material edge system qualification rate, and the hardness of the cutter of employing copper solder edge system and the defective of bad mechanical property.A kind of high-speed steel and mild steel sky cerium oxide system combination process are provided, this technology is placed on the high-speed steel blade on the mild steel cutter hub that is covered with solder, cover the back welding with hot rolled steel plate, make high-speed steel be in the sealing state isolated with air, can be not oxidized when high temperature heats, improved the hardness and the mechanical performance of high-speed steel.The present invention is achieved in that a kind of high-speed steel and mild steel non-oxidation edge system combination process, and be characterized in that step comprises: (1) is placed on the high-speed steel blade on the mild steel cutter hub that is covered with solder, covers on high-speed steel and the mild steel with hot rolled steel plate; (2) with around the hot rolled steel plate with the mild steel welded seal, make high-speed steel be in the sealing state isolated with air; (3) combination of high-speed steel and mild steel is placed in the heating furnace heating 1130 ℃～1220 ℃ heating 10～20 minutes; (4) in milling train, combination is rolling through twice, and high-speed steel and mild steel are combined into one.
Solder among the present invention is 45～60% boraxs by percentage by weight, and 18～35% sodium fluorides and 15～25% iron powders are formed.
Operation principle of the present invention is, because high-speed steel passes through welding by hot rolled steel plate and mild steel sealing, can be not oxidized when high temperature heats, and utilize the high temperature of solder between high-speed steel and mild steel to soak into and diffusion, form firm transition zone after the cooling.Edge system (soldering) compound qualification rate reaches more than 98%.
The thickness of the hot rolled steel plate described in the present invention is 0.5～4mm.The steel plate of this thickness helps welded seal and later heating, rolling mill practice.
High-speed steel described in the present invention is W18Cr4V or W6Mo5Cr4V2, and described mild steel is Q235, and when high-speed steel is W18Cr4V, when mild steel was Q235, high-speed steel and mild steel and the combination heating-up temperature in heating furnace was 1180～1220 ℃; When high-speed steel is W6Mo5Cr4V2, when mild steel was Q235, the heating-up temperature of the combination of high-speed steel and mild steel in heating furnace was 1130～1170 ℃.
High-speed steel among the present invention is W18Cr4V, and twice rolling rolling compression ratio in first road was 20～26% when mild steel was Q235, and the rolling compression ratio in second road is 13～15%.
When the high speed steel W 6Mo5Cr4V2 mild steel among the present invention was Q235, twice first rolling road compression ratio was 12～16%, and the rolling compression ratio in second road is 6～12%.
The cutter that is combined into one can adopt the high-speed steel Technology for Heating Processing subsequently, as spheroidizing, and isothermal hardening.Give full play to the material behavior of high-speed steel.
The present invention is also applicable to the edge system of steel bonded carbide and high alloy tool steel.Compared with the prior art, the present invention has following remarkable result:
1, since high-speed steel by hot rolled steel plate and mild steel welded seal, high-speed steel is in and the air state of isolation, when combination high temperature is heated, high-speed steel is not oxidized, utilize the high temperature of solder between high-speed steel and mild steel to soak into and diffusion, the cooling back forms firm transition zone, and edge system (soldering) compound qualification rate reaches more than 98%, helps to improve the hardness and the mechanical performance of high-speed steel.
2, cutter of the present invention reaches the requirement of whole high-speed steel tool heat treatment metallographic structure owing to can adopt the high-speed steel Technology for Heating Processing subsequently, and hardness reaches 66HRC.
3, compound tool of the present invention is lower, widely applicable than the cost of investment of no medium compound tool; Than copper solder compound tool hardness height, long service life.
Description of drawings
Accompanying drawing is high-speed steel of the present invention and mild steel non-oxidation edge system Welding Structure schematic diagram.
Number in the figure is represented: 1-hot rolled steel plate, 2-weld seam, 3-mild steel (cutter hub steel), 4-high-speed steel (shear steel), 5-solder.
The specific embodiment
Now provide embodiments of the invention in conjunction with the accompanying drawings, embodiment is further specifying rather than limitation of the scope of the invention content of the present invention.
Embodiment 1:
The non-oxidation edge system technology of high speed steel W 18Cr4V and mild steel Q235.
(1) high speed steel W 18Cr4V and mild steel Q235 are worked into required process respectively, as faying face rust or greasy dirt are arranged, and then need machinery or chemical derusting oil removing.
(2) hot rolled steel plate size blanking as required, steel plate thickness are 2mm.
(3) in mild steel (3) groove, spread solder (5), high-speed steel (4) is placed on the mild steel (3) that is covered with solder (5), cover on high-speed steel (4) and the mild steel (3) with hot rolled steel plate (1), with hot rolled steel plate (1) all around with mild steel (3) welded seal.Solder is 50% borax by percentage by weight, and 30% fluoridizes and receives and 20% iron powder is formed.
(4) combination of high-speed steel (4) and mild steel (3) heated in heating furnace 10～15 minutes, and it is rolling to come out of the stove.
(5) rolling through twice in φ 250mm milling train, the rolling compression ratio 13～15% in rolling compression ratio 20～26%, second road, first road is combined into one high speed steel W 18Cr4V (4) and mild steel Q235 (3) edge system.
(6) after the cooling, compound tool enters down road high-speed steel Technology for Heating Processing, reaches the requirement of whole high-speed steel tool heat treatment metallographic structure, and hardness reaches 66HRC.
Embodiment 2:
The non-oxidation edge system technology of high speed steel W 6Mo5Cr4V2 and mild steel Q235.
(1) high speed steel W 6Mo5Cr4V2 and mild steel Q235 are worked into required process respectively, as faying face rust or greasy dirt are arranged, and then need machinery or chemical derusting oil removing.
(2) hot rolled steel plate is pressed the required size blanking, and steel plate thickness is 3mm.
(3) in mild steel (3) groove, spread solder (5), high-speed steel (4) is placed on the mild steel (3) that is covered with solder (5), cover on high-speed steel (4) and the mild steel (3) with hot rolled steel plate (1), with hot rolled steel plate (1) all around with mild steel (3) welded seal.Solder is 55% borax by percentage by weight, and 25% fluoridizes and receives and 20% iron powder is formed.
(4) combination of high-speed steel (4) and mild steel (3) in the cushioning stove 1170 ℃ the heating 12～18 minutes, it is rolling to come out of the stove.
(5) rolling through twice in the milling train of φ 250mm, the rolling compression ratio 6～12% in rolling compression ratio 1 2～16%, second road, first road is combined into one high speed steel W 6Mo5Cr4V2 (3) and mild steel Q235 (2) edge system.
(6) after the cooling, compound tool enters down road high-speed steel Technology for Heating Processing, reaches the requirement of whole high-speed steel tool heat treatment metallographic structure, and hardness reaches 66HRC.
Claims (5)
1. high-speed steel and mild steel non-oxidation edge system technology is characterized in that step comprises:
(1) the high-speed steel blade is placed on the mild steel cutter hub that is covered with solder, covers on high-speed steel and the mild steel with hot rolled steel plate;
(2) with around the hot rolled steel plate with the mild steel welded seal, make high-speed steel be in the sealing state isolated with air;
(3) combination with high-speed steel and mild steel was placed in the heating furnace, 1130 ℃～1220 ℃ heating 10～20 minutes;
(4) in milling train, combination is rolling through twice, and high-speed steel and mild steel are combined into one.
2. edge system technology according to claim 1 is characterized in that: the thickness of described hot rolled steel plate is 0.5～4mm.
3. edge system technology according to claim 1, it is characterized in that: described high-speed steel is W18Cr4V or W6Mo5Cr4V2, and mild steel is Q235, when high-speed steel is W18Cr4V, when mild steel was Q235, the heating-up temperature of combination in heating furnace was 1180-1220 ℃; When high-speed steel is a W6Mo5Cr4V2 mild steel when being Q235, the heating-up temperature of combination in heating furnace is 1130-1170 ℃.
4. according to claim 1 or 3 described edge system technologies, it is characterized in that: when high-speed steel is a W18Cr4V mild steel when being Q235, twice rolling rolling compression ratio in first road is 20～26%, and the rolling compression ratio in second road is 13-15%.
5. according to claim 1 or 3 described edge system technologies, it is characterized in that: when high-speed steel is a W6Mo5Cr4V2 mild steel when being Q235, twice rolling rolling compression ratio in first road is 12～16%, and the rolling compression ratio in second road is 6～12%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100288058A CN100382922C (en) | 2005-08-15 | 2005-08-15 | High rate steel and low carbide steel oxygen-free inlay process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100288058A CN100382922C (en) | 2005-08-15 | 2005-08-15 | High rate steel and low carbide steel oxygen-free inlay process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1879998A CN1879998A (en) | 2006-12-20 |
| CN100382922C true CN100382922C (en) | 2008-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100288058A Expired - Fee Related CN100382922C (en) | 2005-08-15 | 2005-08-15 | High rate steel and low carbide steel oxygen-free inlay process |
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| Country | Link |
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| CN (1) | CN100382922C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962738A (en) * | 2010-11-10 | 2011-02-02 | 常州机械刀片有限公司 | Superfine carbide high-alloy tool steel shear-steel splicing mechanical blade |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462192C (en) * | 2007-04-13 | 2009-02-18 | 辽宁新华阳刃具复合材料有限公司 | Method of producing cutting tool steel board of complex blades |
| CN100462191C (en) * | 2007-04-13 | 2009-02-18 | 辽宁新华阳刃具复合材料有限公司 | Method of producing three layer clad sheet steel used for cutting-tool |
| CN100558495C (en) * | 2007-12-26 | 2009-11-11 | 上海爱凯思机械刀片有限公司 | A kind of complex method of multi-alloy blank |
| CN102357742B (en) * | 2011-10-21 | 2013-07-31 | 常州机械刀片有限公司 | Super-plastic and non-oxidation method of welding and splicing steel to mechanical blades |
| CN108067847B (en) * | 2017-12-20 | 2019-07-16 | 安徽嘉龙锋钢刀具有限公司 | A kind of half soldering edge steel method of the superplasticity scale-free heating of mechanical bit |
| CN108747076B (en) * | 2018-06-20 | 2020-07-03 | 东阿县利源机械刀具有限公司 | Fixing and welding method for high-speed steel bars of cutter |
| CN110983186A (en) * | 2019-12-23 | 2020-04-10 | 镇江中森科技有限公司 | High alloy tool steel, method for manufacturing same, and method for using same as cutting edge steel insert-joint slicing knife |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0957506A (en) * | 1995-08-22 | 1997-03-04 | Daido Steel Co Ltd | Corrosion-resisting clad material for cutter and manufacture thereof |
| JPH1058378A (en) * | 1996-08-12 | 1998-03-03 | Daido Steel Co Ltd | Plate material for cutter, cutter using the material and manufacture of the material and the cutter |
| JPH1123661A (en) * | 1997-06-30 | 1999-01-29 | Nec Corp | Scan testing circuit |
| JPH11277669A (en) * | 1998-03-31 | 1999-10-12 | Daido Steel Co Ltd | Corrosion-resistant and wear-resistant clad member and its manufacture |
| JP2002361443A (en) * | 2001-05-31 | 2002-12-18 | Kanai Hiroaki | Method of manufacturing knife cutter material, knife cutter material and knife cutter |
| CN1597218A (en) * | 2004-08-11 | 2005-03-23 | 高文辉 | Flux powder high-speed steel cutting edge welding method |
-
2005
- 2005-08-15 CN CNB2005100288058A patent/CN100382922C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0957506A (en) * | 1995-08-22 | 1997-03-04 | Daido Steel Co Ltd | Corrosion-resisting clad material for cutter and manufacture thereof |
| JPH1058378A (en) * | 1996-08-12 | 1998-03-03 | Daido Steel Co Ltd | Plate material for cutter, cutter using the material and manufacture of the material and the cutter |
| JPH1123661A (en) * | 1997-06-30 | 1999-01-29 | Nec Corp | Scan testing circuit |
| JPH11277669A (en) * | 1998-03-31 | 1999-10-12 | Daido Steel Co Ltd | Corrosion-resistant and wear-resistant clad member and its manufacture |
| JP2002361443A (en) * | 2001-05-31 | 2002-12-18 | Kanai Hiroaki | Method of manufacturing knife cutter material, knife cutter material and knife cutter |
| CN1597218A (en) * | 2004-08-11 | 2005-03-23 | 高文辉 | Flux powder high-speed steel cutting edge welding method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101962738A (en) * | 2010-11-10 | 2011-02-02 | 常州机械刀片有限公司 | Superfine carbide high-alloy tool steel shear-steel splicing mechanical blade |
| CN101962738B (en) * | 2010-11-10 | 2012-10-17 | 常州机械刀片有限公司 | Superfine carbide high-alloy tool steel shear-steel splicing mechanical blade |
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| Publication number | Publication date |
|---|---|
| CN1879998A (en) | 2006-12-20 |
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