CN108425076A - A kind of processing mold and its processing method of high-precision powder metallurgical gear - Google Patents
A kind of processing mold and its processing method of high-precision powder metallurgical gear Download PDFInfo
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- CN108425076A CN108425076A CN201810219151.4A CN201810219151A CN108425076A CN 108425076 A CN108425076 A CN 108425076A CN 201810219151 A CN201810219151 A CN 201810219151A CN 108425076 A CN108425076 A CN 108425076A
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Classifications
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- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/24—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
Abstract
The invention discloses a kind of processing molds and its processing method of high-precision powder metallurgical gear, include the raw material of following parts by weight：8~10 parts of C, 6~8 parts of Cr, 800~900 parts of Fe, 30~40 parts of Mo, 3~5 parts of Ni, 20~28 parts of Ti, 10~22 parts of Nb, 2~5 parts of Be, 2~5 parts of Ta, 2~5 parts of Zr, 2~5 parts of V, 2~5 parts of W, 2~5 parts of aluminium nitride, discarded 50~100 parts of die steel, 3~5 parts of rare earth element, 2~3 parts of nano zirconium dioxide, 2~8 parts of surfactant.Processing method of the present invention is simple, at low cost, and obtained mould strength is high, is suitble to promote.
Description
Technical field
The present invention relates to the processing mold of mold production technical field more particularly to a kind of high-precision powder metallurgical gear and
Its processing method.
Background technology
Powdered metallurgical material refers to making raw material with non-metal powder with metal powder or metal, by dispensing, compression moulding,
Technical process and the manufactured materials such as sintering.Its preparation process is referred to as powder metallurgical technique or powder metallurgic method.
Mold, in industrial production to be molded, be blow molded, squeeze out, die casting or the methods of forging forming, smelting, punching press obtain
The various moulds and tool of required product.In brief, mold is the tool for formed article, and this tool is by various parts
It constitutes, different molds is made of different parts.It mainly realizes article by the change of physical state of the formed material
The processing of shape.There are many mold type, can be divided into according to processing object and processing technology：1. processing the mold of metal；2. processing
Nonmetallic and powder metallurgy mold, including the modern designs of plastics (such as injection mold, compression mould and extrusion molding mould), rubber pattern and powder metallurgy
Mould etc..
The insufficient strength of the processing mold of existing high-precision powder metallurgical gear is easy production after repeatedly processed
Raw miniature deformation, for this purpose, the present invention proposes a kind of processing mold and its processing method of high-precision powder metallurgical gear.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of high-precision powder metallurgy proposed
The processing mold and its processing method of gear.
To achieve the goals above, present invention employs following technical solutions：
A kind of processing mold of high-precision powder metallurgical gear, includes the raw material of following parts by weight：8~10 parts of C, Cr 6
~8 parts, 800~900 parts of Fe, 30~40 parts of Mo, 3~5 parts of Ni, 20~28 parts of Ti, 10~22 parts of Nb, 2~5 parts of Be,
2~5 parts of Ta, it 2~5 parts of Zr, 2~5 parts of V, 2~5 parts of W, 2~5 parts of aluminium nitride, discards 50~100 parts of die steel, is dilute
3~5 parts of earth elements, 2~3 parts of nano zirconium dioxide, 2~8 parts of surfactant.
Preferably, include the raw material of following parts by weight：9 parts of C, 7 parts of Cr, 850 parts of Fe, 35 parts of Mo, 4 parts of Ni, Ti
24 parts, 16 parts of Nb, 3.5 parts of Be, 3.5 parts of Ta, 3.5 parts of Zr, 3.5 parts of V, 3.5 parts of W, 2~5 parts of aluminium nitride, discarded mold
75 parts of steel, 4 parts of rare earth element, 2.5 parts of nano zirconium dioxide, 5 parts of surfactant.
Preferably, the rare earth element is at least one of selected from cerium, neodymium, terbium, yttrium and scandium, preferably in cerium and neodymium extremely
Few one kind.
Preferably, the discarded die steel is the alloy mold that factory scraps, before use, its surface clean is done
Only, the phosphorus content in Measurement die, phosphorus content need between 0.7%~0.9%, not in its range without using as material
Material.
A kind of processing method of the processing mold of high-precision powder metallurgical gear, includes the following steps,
Discarded die steel is put into pond by S1, and rust remover is added, and is stood 2~4h, is bled off rust remover, add derusting
Agent carries out secondary rust removal, stands 1~2h, bleeds off rust remover, and put it into anaerobic room, done to it with Hot-air fan
Dry processing, the steel A after being derusted；
S2 smelts, casting, by the Fe of the proportion and steel A input smelting furnaces, after high-temperature heating fusing, is added molten
Additive is refined, keeps fusion temperature constant, continues 4~7h of melting, is mixed with the rotating speed of 160~250r/min in fusion process
Stirring is closed, is passed through inert gas N while stirring, is uniformly mixed to obtain iron liquid B；
S3, by C, Cr of the proportion, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, nano zirconium dioxide and table
Face activating agent is added in step S2 in the iron liquid B of gained, after high-temperature heating fusing, is eventually adding the weight percent
Rare earth element obtains alloy molten steel after heating fusing, and the entire rotating speed stirring heated in fusion process with 300~450r/min is mixed
It closes；
The alloy molten steel of gained in step S3 is poured into mold, is cast into casting by S4, and the casting of cast molding is heated
Conducting forging processing is carried out after to 1100~1260 DEG C, temper, quenching treatment are carried out after being disposed, casting is taken out after being disposed
Part, natural cooling to obtain the final product.
Preferably, in the S4, the alloy molten steel of gained in step S3 is poured into mold, casting is cast into, will cast
Molding casting carries out conducting forging processing after being heated to 1150 DEG C, and temper, quenching treatment are carried out after being disposed, is disposed
After take out casting, natural cooling to obtain the final product.
A kind of processing mold of high-precision powder metallurgical gear proposed by the present invention, utilizes exhaust gas die steel, Ke Yijie
About cost, and the performance of this mold will not be reduced, and adding the invention also provides a kind of high-precision powder metallurgical gear
The processing method of tool and mould is added the rare earth element of the weight percent and obtains alloy molten steel after heating fusing, entire to heat
It is stirred with the rotating speed of 300r/min in fusion process, processing method is simple, at low cost, and obtained mould strength is high, is suitble to
It promotes.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.
Embodiment one
A kind of processing mold of high-precision powder metallurgical gear proposed by the present invention, includes the raw material of following parts by weight：C 9
Part, 7 parts of Cr, 850 parts of Fe, 35 parts of Mo, 4 parts of Ni, 24 parts of Ti, 16 parts of Nb, 3.5 parts of Be, 3.5 parts of Ta, Zr 3.5
Part, 3.5 parts of V, 3.5 parts of W, 2~5 parts of aluminium nitride, discarded 75 parts of die steel, 4 parts of rare earth element, nano zirconium dioxide 2.5
Part, 5 parts of surfactant.
A kind of processing method of the processing mold of high-precision powder metallurgical gear proposed by the present invention, includes the following steps,
Discarded die steel is put into pond by S1, and rust remover is added, and is stood 2h, is bled off rust remover, add rust remover,
Secondary rust removal is carried out, 1h is stood, bleeds off rust remover, and put it into anaerobic room, it is dried processing with Hot-air fan,
Steel A after being derusted；
S2 smelts, casting, by the Fe of the proportion and steel A input smelting furnaces, after high-temperature heating fusing, is added molten
Additive is refined, keeps fusion temperature constant, continues melting 4h, is mixed with the rotating speed of 160r/min in fusion process,
It is passed through inert gas N while stirring, is uniformly mixed to obtain iron liquid B；
S3, by C, Cr of the proportion, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, nano zirconium dioxide and table
Face activating agent is added in step S2 in the iron liquid B of gained, after high-temperature heating fusing, is eventually adding the weight percent
Rare earth element obtains alloy molten steel after heating fusing, and entire heat is stirred in fusion process with the rotating speed of 300r/min；
The alloy molten steel of gained in step S3 is poured into mold, is cast into casting by S4, and the casting of cast molding is heated
Conducting forging processing is carried out after to 1150 DEG C, temper, quenching treatment are carried out after being disposed, casting is taken out after being disposed, from
Right cooling to obtain the final product.
Embodiment two
A kind of processing mold of high-precision powder metallurgical gear proposed by the present invention, includes the raw material of following parts by weight：C 9
Part, 7 parts of Cr, 850 parts of Fe, 35 parts of Mo, 4 parts of Ni, 24 parts of Ti, 16 parts of Nb, 3.5 parts of Be, 3.5 parts of Ta, Zr 3.5
Part, 3.5 parts of V, 3.5 parts of W, 2~5 parts of aluminium nitride, discarded 75 parts of die steel, 4 parts of rare earth element, nano zirconium dioxide 2.5
Part, 5 parts of surfactant.
A kind of processing method of the processing mold of high-precision powder metallurgical gear proposed by the present invention, includes the following steps,
Discarded die steel is put into pond by S1, and rust remover is added, and is stood 3h, is bled off rust remover, add rust remover,
Secondary rust removal is carried out, 1.5h is stood, bleeds off rust remover, and put it into anaerobic room, it is dried place with Hot-air fan
Reason, the steel A after being derusted；
S2 smelts, casting, by the Fe of the proportion and steel A input smelting furnaces, after high-temperature heating fusing, is added molten
Additive is refined, keeps fusion temperature constant, continues melting 5.5h, carrying out mixing in fusion process with the rotating speed of 200r/min stirs
It mixes, is passed through inert gas N while stirring, be uniformly mixed to obtain iron liquid B；
S3, by C, Cr of the proportion, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, nano zirconium dioxide and table
Face activating agent is added in step S2 in the iron liquid B of gained, after high-temperature heating fusing, is eventually adding the weight percent
Rare earth element obtains alloy molten steel after heating fusing, and entire heat is stirred in fusion process with the rotating speed of 380r/min；
The alloy molten steel of gained in step S3 is poured into mold, is cast into casting by S4, and the casting of cast molding is heated
Conducting forging processing is carried out after to 1150 DEG C, temper, quenching treatment are carried out after being disposed, casting is taken out after being disposed, from
Right cooling to obtain the final product.
Embodiment three
A kind of processing mold of high-precision powder metallurgical gear proposed by the present invention, includes the raw material of following parts by weight：C 9
Part, 7 parts of Cr, 850 parts of Fe, 35 parts of Mo, 4 parts of Ni, 24 parts of Ti, 16 parts of Nb, 3.5 parts of Be, 3.5 parts of Ta, Zr 3.5
Part, 3.5 parts of V, 3.5 parts of W, 2~5 parts of aluminium nitride, discarded 75 parts of die steel, 4 parts of rare earth element, nano zirconium dioxide 2.5
Part, 5 parts of surfactant.
A kind of processing method of the processing mold of high-precision powder metallurgical gear proposed by the present invention, includes the following steps,
Discarded die steel is put into pond by S1, and rust remover is added, and is stood 4h, is bled off rust remover, add rust remover,
Secondary rust removal is carried out, 2h is stood, bleeds off rust remover, and put it into anaerobic room, it is dried processing with Hot-air fan,
Steel A after being derusted；
S2 smelts, casting, by the Fe of the proportion and steel A input smelting furnaces, after high-temperature heating fusing, is added molten
Additive is refined, keeps fusion temperature constant, continues melting 7h, is mixed with the rotating speed of 250r/min in fusion process,
It is passed through inert gas N while stirring, is uniformly mixed to obtain iron liquid B；
S3, by C, Cr of the proportion, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, nano zirconium dioxide and table
Face activating agent is added in step S2 in the iron liquid B of gained, after high-temperature heating fusing, is eventually adding the weight percent
Rare earth element obtains alloy molten steel after heating fusing, and entire heat is stirred in fusion process with the rotating speed of 450r/min；
The alloy molten steel of gained in step S3 is poured into mold, is cast into casting by S4, and the casting of cast molding is heated
Conducting forging processing is carried out after to 1150 DEG C, temper, quenching treatment are carried out after being disposed, casting is taken out after being disposed, from
Right cooling to obtain the final product.
Hardness is carried out to processing mold prepared by above-described embodiment one~tri- respectively, impact flexibility and wearability are examined
It surveys, testing result is as follows：
A kind of processing mold of high-precision powder metallurgical gear proposed by the present invention, utilizes exhaust gas die steel, Ke Yijie
About cost, and the performance of this mold will not be reduced, and adding the invention also provides a kind of high-precision powder metallurgical gear
The processing method of tool and mould is added the rare earth element of the weight percent and obtains alloy molten steel after heating fusing, entire to heat
It is stirred with the rotating speed of 300r/min in fusion process, processing method is simple, at low cost, and obtained mould strength is high, is suitble to
It promotes.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of processing mold of high-precision powder metallurgical gear, which is characterized in that include the raw material of following parts by weight：C 8~
10 parts, 6~8 parts of Cr, 800~900 parts of Fe, 30~40 parts of Mo, 3~5 parts of Ni, 20~28 parts of Ti, 10~22 parts of Nb, Be
2~5 parts, 2~5 parts of Ta, 2~5 parts of Zr, 2~5 parts of V, 2~5 parts of W, 2~5 parts of aluminium nitride, discarded die steel 50~100
Part, 3~5 parts of rare earth element, 2~3 parts of nano zirconium dioxide, 2~8 parts of surfactant.
2. a kind of processing mold of high-precision powder metallurgical gear according to claim 1, which is characterized in that including following
The raw material of parts by weight：9 parts of C, 7 parts of Cr, 850 parts of Fe, 35 parts of Mo, 4 parts of Ni, 24 parts of Ti, 16 parts of Nb, 3.5 parts of Be, Ta
3.5 parts, 3.5 parts of Zr, 3.5 parts of V, 3.5 parts of W, 2~5 parts of aluminium nitride, discarded 75 parts of die steel, rare earth element 4 part, nanometer
2.5 parts of zirconium dioxide, 5 parts of surfactant.
3. a kind of processing mold of high-precision powder metallurgical gear according to claim 1, which is characterized in that the rare earth
Element is at least one of selected from cerium, neodymium, terbium, yttrium and scandium, preferably at least one of cerium and neodymium.
4. a kind of processing mold of high-precision powder metallurgical gear according to claim 1, which is characterized in that described discarded
Die steel is the alloy mold that factory scraps, and before use, its surface clean is clean, the phosphorus content in Measurement die contains
Carbon amounts needs between 0.7%~0.9%, not in its range without using as material.
5. a kind of processing method of the processing mold of high-precision powder metallurgical gear, which is characterized in that include the following steps,
Discarded die steel is put into pond by S1, and rust remover is added, and is stood 2~4h, is bled off rust remover, add rust remover, into
Row secondary rust removal stands 1~2h, bleeds off rust remover, and put it into anaerobic room, it is dried place with Hot-air fan
Reason, the steel A after being derusted；
S2 smelts, casting, by the Fe of the proportion and steel A input smelting furnaces, after high-temperature heating fusing, melting is added and adds
Add agent, keep fusion temperature constant, continue 4~7h of melting, carrying out mixing in fusion process with the rotating speed of 160~250r/min stirs
It mixes, is passed through inert gas N while stirring, be uniformly mixed to obtain iron liquid B；
S3 lives C, Cr of the proportion, Mo, Ni, Ti, Nb, Be, Ta, Zr, V, W, aluminium nitride, nano zirconium dioxide and surface
Property agent be added in step S2 in the iron liquid B of gained, after high-temperature heating fusing, be eventually adding the rare earth member of the weight percent
Element obtains alloy molten steel after heating fusing, and entire heat is stirred in fusion process with the rotating speed of 300~450r/min；
The alloy molten steel of gained in step S3 is poured into mold, is cast into casting, the casting of cast molding is heated to by S4
Conducting forging processing is carried out after 1100~1260 DEG C, temper, quenching treatment are carried out after being disposed, and casting is taken out after being disposed
Part, natural cooling to obtain the final product.
6. a kind of processing method of the processing mold of high-precision powder metallurgical gear according to claim 5, feature exist
In, in the S4, by step S3 gained alloy molten steel pour into mold, be cast into casting, the casting of cast molding added
Heat carries out temper, quenching treatment, casting is taken out after being disposed to conducting forging processing is carried out after 1150 DEG C after being disposed,
Natural cooling to obtain the final product.
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| CN201810219151.4A CN108425076A (en) | 2018-03-16 | 2018-03-16 | A kind of processing mold and its processing method of high-precision powder metallurgical gear |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926500A (en) * | 2019-01-07 | 2019-06-25 | 安徽力源数控刃模具制造有限公司 | A kind of alloy aluminium sheet pressure arc mold materials and its processing technology |
| CN110699611A (en) * | 2019-11-21 | 2020-01-17 | 天津铸金科技开发股份有限公司 | High-strength anti-pitting alloy powder |
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| CN107385356A (en) * | 2017-07-15 | 2017-11-24 | 滁州凯旋模具制造有限公司 | A kind of auto parts and components compression mould |
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| CN107557656A (en) * | 2017-09-03 | 2018-01-09 | 安徽天裕汽车零部件制造有限公司 | A kind of production technology of automobile ball arm |
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| JP2004019001A (en) * | 2002-06-20 | 2004-01-22 | Daido Steel Co Ltd | Tool steel for hot-working superior in erosion resistance, and die member |
| WO2010141095A2 (en) * | 2009-06-05 | 2010-12-09 | Edro Specialty Steels, Inc. | Plastic injection mold of low carbon martensitic stainless steel |
| CN104312097A (en) * | 2014-10-21 | 2015-01-28 | 常熟市金成模具有限公司 | Long-service-life and high-temperature-resistant mould material |
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| CN109926500A (en) * | 2019-01-07 | 2019-06-25 | 安徽力源数控刃模具制造有限公司 | A kind of alloy aluminium sheet pressure arc mold materials and its processing technology |
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Application publication date: 20180821 |