CN108015500A - The manufacture method of graceful engine rocker device supporting - Google Patents
The manufacture method of graceful engine rocker device supporting Download PDFInfo
- Publication number
- CN108015500A CN108015500A CN201711478639.0A CN201711478639A CN108015500A CN 108015500 A CN108015500 A CN 108015500A CN 201711478639 A CN201711478639 A CN 201711478639A CN 108015500 A CN108015500 A CN 108015500A
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- CN
- China
- Prior art keywords
- rocker arrangement
- rocker
- supporting
- graceful
- casting
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- 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.)
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Classifications
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- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/04—Cast-iron alloys containing spheroidal graphite
Abstract
The present invention relates to one kind can not only make casting bulk strength height, pull resistance strong, and the manufacture method for the graceful engine rocker device supporting that production efficiency is high, casting wasted product rate is low, step 1, first to rocker arrangement supporting mould by sand molding and to cavity processing；Step 2, carries out cavity cast and forms the thick idiosome of rocker arrangement supporting；Step 3, supports thick idiosome to rocker arrangement and carries out isothermal holding, and takes out rocker arrangement and support thick idiosome, and support thick idiosome to rocker arrangement afterwards carries out sand removal, heat treatment and spark-out, ball blast successively, forms rocker arrangement supporting casting；Step 4, supports rocker arrangement and finishes；Step 5, rocker arrangement supporting is taken out from machining tool and carries out surfacecti proteon processing to it.Advantage：The manufacture method of graceful engine rocker device supporting can not only greatly improve casting mechanical performance, precision and surface smoothness, and the quality of casting and size can be made more to stablize, while the scrappage of spray can be made to be reduced to 2% by 15%.
Description
Technical field
The present invention relates to one kind can not only make casting bulk strength height, pull resistance strong, and production efficiency is high, casting gives up
The manufacture method of the low graceful engine rocker device supporting of product rate, belongs to graceful engine rocker manufacturing field.
Background technology
Rocker arrangement supporting is one of most important part on graceful engine, takes on whole diesel engine rocking arm valve
Regulating system, the installation important task of oil spout auxiliary device are driven, therefore manufactures more demanding, category engine A like members.Traditional tide mould sand
Casting Chemistry uneven components, appearance is rougher, and metallographic matrix is unstable etc., can not meet wanting for this rocker arrangement supporting
Ask.
The content of the invention
Purpose of design：To avoid the deficiency in background technology, design one kind can not only make casting bulk strength height, tension
Property strong, and the manufacture method for the graceful engine rocker device supporting that production efficiency is high, casting wasted product rate is low.
Designing scheme：To realize above-mentioned purpose of design.1st, tapping temperature is 1520 DEG C ± 10 DEG C, pouring temperature 1400
DEG C -1380 DEG C of design, is one of technical characteristic of the present invention.The purpose so designed is：First, tapping temperature is 1520
All fully fusing is in alloy liquid, while alloy liquid is from 1520 DEG C for DEG C ± 10 DEG C of various elements being able to ensure that in metal charge
±10℃（Tapping temperature）It is cooled to 1380 DEG C ~ 1400 DEG C（Pouring temperature）Period have time enough to the iron liquid that melts out into
The processing of row current-following inoculation；Second, during sand molding shooting pressure be 3 kg/cm2-5kg/cm2, shooting time 2S, so make
Not only intensity is high for rocker arrangement supporting casting mold cavity, but also its resistance to elevated temperatures is good（It is enough to support pouring temperature）；Third, in iron
Iron liquid is poured into casting mold cavity with the speed of 12-20 seconds second/casees when liquid is cooled to 1380 DEG C ~ 1400 DEG C, is started due to graceful
Machine rocker arrangement supporting structure is relative complex, and such pouring temperature and poring rate can avoid casting from cold shut occur and pour not
Foot；Fourth, the datum level of castings desire processing is supported to rocker arrangement for first machining tool and upper plane is rough milled respectively and essence
Milling, afterwards machining tool datum hole, the heavy boring of the processed lathe of datum hole and thin boring are bored on the datum level that rocker arrangement supports
After form spindle hole, machining tool refines datum level afterwards, afterwards machining tool rocker arrangement supporting on respectively into
Row bores tapping female bore, brill inclined oil hole of air and milling and opens shelves, realizes the finishing of rocker arrangement supporting.2nd, the mixture charge by carbon, silicon,
The design that manganese, phosphorus, sulphur, magnesium and iron form, is the two of the technical characteristic of the present invention.The purpose so designed is：The mixing
Furnace charge is made of carbon, silicon, manganese, phosphorus, sulphur, magnesium and iron, its each material composition percentage is as follows：Carbon is 3.6%-3.9%, silicon
2.6%-3.0%, manganese 0.1%-0.4%, phosphorus≤0.05%, sulphur≤0.03%；Magnesium 0.03%-0.06%, remaining is iron；By this
Alloy made of metal mixed furnace charge, body hardness 160-210HBS, body metallographic structure:Nodulizing grade：More than 3 grades, stone
Black size：For 5-8 grades, matrix level is knitted：Based on ferrite；Mechanical property：Tensile strength >=450Mpa, elongation percentage >=10%.3rd, institute
State before inoculation is carried out and first carbon carried out to iron liquid, silicone content detects, the testing result carbon content 3.6%-3.9% it
Between and iron liquid of the silicone content between 2.6%-3.0% can be used in cast design, be the present invention technical characteristic three.So
The purpose of design is：It is described first to carry out carbon, silicone content detection, the testing result carbon to iron liquid before inoculation is carried out
The iron liquid that content is between 3.6%-3.9% and silicone content is between 2.6%-3.0% can be used in pouring into a mould, and so be able to ensure that difference
The stability of batch molten steel quality, so that it is guaranteed that the stability of casting quality, blank scrappage is reduced to 2% by 15%.
Technical solution：A kind of manufacture method of graceful engine rocker device supporting, step 1, first to rocker arrangement Zhi Chengmo
Tool produces lower mode cavity and upper cavity, afterwards forms lower mode cavity and upper cavity mould assembling successively by sand molding and to cavity processing
Rocker arrangement supports casting mold cavity, during sand molding shooting pressure be 3 kg/cm2-5kg/cm2, shooting time 2S；Step 2,
First mixture charge is put into smelting equipment and carries out Metal Melting and taps a blast furnace when smelting temperature reaches 1520 DEG C ± 10 DEG C
Operation, carries out current-following inoculation processing to the iron liquid that melts out afterwards, by bonded hard ferrite magnet control after inoculation 1400 DEG C-
Iron liquid is poured into rocker arrangement supporting casting mold cavity with the speed of 12-20 seconds/case at 1380 DEG C, forms rocker arrangement supporting
Crude green body body；Step 3, carries out isothermal holding to rocker arrangement supporting crude green body body, the cavity after rocker arrangement supporting casting is opened
And rocker arrangement supporting crude green body body is taken out, carry out sand removal processing, heat treatment and clear successively to rocker arrangement supporting crude green body body afterwards
Mill, Shot Blasting, form rocker arrangement supporting casting；Step 4, is that first machining tool adds rocker arrangement supporting castings desire
The datum level of work and upper plane is rough milled respectively and finish-milling, machining tool bores base on the datum level that rocker arrangement supports afterwards
Quasi- hole, spindle hole is formed after the heavy boring of the processed lathe of datum hole and thin boring, and machining tool refines datum level afterwards, it
Post-processing lathe carries out brill tapping female bore, brill inclined oil hole of air and milling and opens shelves respectively in rocker arrangement supporting, realizes rocker arrangement branch
The finishing held.Step 5, rocker arrangement supporting is taken out from machining tool and carries out surfacecti proteon processing to it.
For the present invention compared with background technology, the manufacture method of graceful engine rocker device supporting can not only greatly improve casting
Part mechanical performance, precision and surface smoothness, and the quality of casting and size can be made more to stablize, while casting can be made
The scrappage of blank is reduced to 2% by 15%.
Brief description of the drawings
Fig. 1 is the flow chart of graceful engine rocker device supporting casting process.
Fig. 2 is the structure diagram of graceful engine rocker device supporting.
Embodiment
Embodiment 1：1 and Fig. 2 referring to the drawings.A kind of manufacture method of graceful engine rocker device supporting,
Step 1, first to rocker arrangement supporting mould by sand molding and to cavity processing, produce lower mode cavity and upper cavity successively,
Lower mode cavity and upper cavity mould assembling are formed into rocker arrangement supporting casting mold cavity afterwards, shooting pressure is 3 kg/cm2- during sand molding
5kg/cm2, shooting time 2S；Mixture charge, is first put into smelting equipment and carries out Metal Melting and in melting temperature by step 2
Degree carries out operation of tapping a blast furnace when reaching 1520 DEG C ± 10 DEG C, current-following inoculation processing is carried out to the iron liquid melted out afterwards, by breeding
Iron liquid is poured into rocker arrangement supporting by bonded hard ferrite magnet control at 1400 DEG C -1380 DEG C with the speed of 12-20 seconds/case after processing
In casting mold cavity, rocker arrangement supporting crude green body body is formed；Step 3, isothermal holding is carried out to rocker arrangement supporting crude green body body, will
Cavity after rocker arrangement supporting casting is opened and takes out rocker arrangement supporting crude green body body, supports crude green body body to rocker arrangement afterwards
Sand removal processing, heat treatment and spark-out, Shot Blasting are carried out successively, form rocker arrangement supporting casting；Step 4, is first processing machine
The datum level and upper plane is rough milled respectively and finish-milling that bed processes rocker arrangement supporting castings desire, machining tool exists afterwards
Datum hole is bored on the datum level of rocker arrangement supporting, forms spindle hole after the heavy boring of the processed lathe of datum hole and thin boring, afterwards
Machining tool refines datum level, and machining tool carries out brill tapping female bore, bores tiltedly respectively in rocker arrangement supporting afterwards
Shelves are opened in oilhole and milling, realize the finishing of rocker arrangement supporting.Step 5, rocker arrangement supporting is taken out simultaneously from machining tool
Surfacecti proteon processing is carried out to it.The mixture charge is made of carbon, silicon, manganese, phosphorus, sulphur, magnesium and iron, shared by its each material composition
Percentage is as follows：Carbon is 3.6%-3.9%, silicon 2.6%-3.0%, manganese 0.1%-0.4%, phosphorus≤0.05%, sulphur≤0.03%；
Magnesium 0.03%-0.06%, remaining is iron.It is described first iron liquid progress carbon, silicone content to be detected before inoculation is carried out, it is described
The iron liquid that testing result carbon content is between 3.6%-3.9% and silicone content is between 2.6%-3.0% can be used in pouring into a mould.It is described to shake
Arm assembly supporting finish-milling carries out chamfering deburring processing after opening shelves.The unpacking soaking time is 8h.During the inoculation
Pregnant amount be 0.3%75# ferrosilicon.
Embodiment 2：On the basis of embodiment 1.The mixture charge is made of carbon, silicon, manganese, phosphorus, sulphur, magnesium and iron, its
Each material composition percentage is as follows：Carbon is 3.6%, silicon 2.6%, manganese 0.1%, phosphorus 0.05%, sulphur 0.03%, magnesium
0.03%%, iron 93.59%.
Embodiment 3：On the basis of embodiment 1.The mixture charge is made of carbon, silicon, manganese, phosphorus, sulphur, magnesium and iron, its
Each material composition percentage is as follows：Carbon is 3.9%, silicon 3.0%, manganese 0.4%, phosphorus 0.05%, sulphur 0.03%；Magnesium
0.06%, iron 92.56%.
Embodiment 4：On the basis of embodiment 1.The mixture charge is made of carbon, silicon, manganese, phosphorus, sulphur, magnesium and iron, its
Each material composition percentage is as follows：Carbon is 3.6%, silicon 2.6%, manganese 0.1%, phosphorus 0.03%, sulphur 0.01%；Magnesium
0.03%, iron 93.63%.
Embodiment 5：On the basis of embodiment 1.The mixture charge is made of carbon, silicon, manganese, phosphorus, sulphur, magnesium and iron, its
Each material composition percentage is as follows：Carbon is 3.9%, silicon 3.0%, manganese 0.4%, phosphorus 0.03%, sulphur 0.01%；Magnesium
0.06%, iron 92.60%.
Embodiment 6：On the basis of embodiment 1.The mixture charge is made of carbon, silicon, manganese, phosphorus, sulphur, magnesium and iron, its
Each material composition percentage is as follows：Carbon is 3.8%, silicon 2.8%, manganese 0.3%, phosphorus 0.03%, sulphur 0.01%；Magnesium
0.05%, iron 93.01%.
It is to be understood that：Although above-described embodiment contrasts the mentality of designing of the present invention, detailed word is retouched
State, but these word descriptions, simply the simple text of mentality of designing of the present invention is described, rather than to mentality of designing of the present invention
Limitation, any combination, increase or modification without departing from mentality of designing of the present invention, each falls within protection scope of the present invention.
Claims (6)
1. a kind of manufacture method of graceful engine rocker device supporting, its feature comprise the following steps：Step 1, first fills rocking arm
Supporting mould is put by sand molding and to cavity processing, lower mode cavity and upper cavity are produced successively, afterwards by lower mode cavity and upper cavity
Mould assembling forms rocker arrangement supporting casting mold cavity, during sand molding shooting pressure be 3 kg/cm2-5kg/cm2, shooting time 2S；
Step 2, first by mixture charge be put into smelting equipment carry out Metal Melting and when smelting temperature reaches 1520 DEG C ± 10 DEG C into
Capable operation of tapping a blast furnace, carries out current-following inoculation processing to the iron liquid melted out afterwards, is existed by bonded hard ferrite magnet control after inoculation
Iron liquid is poured into rocker arrangement supporting casting mold cavity with the speed of 12-20 seconds/case at 1400 DEG C -1380 DEG C, forms rocking arm
Device supports crude green body body；Step 3, carries out isothermal holding, after rocker arrangement supporting casting to rocker arrangement supporting crude green body body
Cavity is opened and takes out rocker arrangement supporting crude green body body, carries out sand removal processing, heat successively to rocker arrangement supporting crude green body body afterwards
Processing and spark-out, Shot Blasting, form rocker arrangement supporting casting；Step 4, loads processing machine by rocker arrangement supporting casting
In bed, machining tool processes rocker arrangement supporting castings desire first datum level and upper plane is rough milled respectively and essence
Milling, afterwards machining tool datum hole, the heavy boring of the processed lathe of datum hole and thin boring are bored on the datum level that rocker arrangement supports
After form spindle hole, machining tool refines datum level afterwards, afterwards machining tool rocker arrangement supporting on respectively into
Row bores tapping female bore, brill inclined oil hole of air and milling and opens shelves, forms rocker arrangement supporting；Step 5, rocker arrangement is supported from processing machine
Taken out in bed and surfacecti proteon processing is carried out to it.
2. the manufacture method of graceful engine rocker device supporting according to claim 1, it is characterized in that：The mixture charge
It is made of carbon, silicon, manganese, phosphorus, sulphur, magnesium and iron, its each material composition percentage is as follows：Carbon is 3.6%-3.9%, silicon
2.6%-3.0%, manganese 0.1%-0.4%, phosphorus≤0.05%, sulphur≤0.03%；Magnesium 0.03%-0.06%, remaining is iron.
3. the manufacture method of graceful engine rocker device supporting according to claim 1 or 2, it is characterized in that：It is described into
First carbon is carried out to iron liquid before row inoculation, silicone content detects, the testing result carbon content is between 3.6%-3.9% and silicon
Iron liquid of the content between 2.6%-3.0% can be used in pouring into a mould.
4. the manufacture method of graceful engine rocker device supporting according to claim 1, it is characterized in that：The rocker arrangement
It is supported on after shelves are opened in milling and carries out chamfering deburring processing.
5. the manufacture method of graceful engine rocker device supporting according to claim 1, it is characterized in that：The unpacking insulation
Time is 8h.
6. the manufacture method of graceful engine rocker device supporting according to claim 1, it is characterized in that：The inoculation
When pregnant amount be 0.3%75# ferrosilicon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478639.0A CN108015500A (en) | 2017-12-29 | 2017-12-29 | The manufacture method of graceful engine rocker device supporting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711478639.0A CN108015500A (en) | 2017-12-29 | 2017-12-29 | The manufacture method of graceful engine rocker device supporting |
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| CN108015500A true CN108015500A (en) | 2018-05-11 |
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| CN201711478639.0A Pending CN108015500A (en) | 2017-12-29 | 2017-12-29 | The manufacture method of graceful engine rocker device supporting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109837454A (en) * | 2019-04-08 | 2019-06-04 | 河北恒工机械装备科技有限公司 | A kind of big cross section high-intensity and high-tenacity spheroidal graphite cast-iron profile and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109837454A (en) * | 2019-04-08 | 2019-06-04 | 河北恒工机械装备科技有限公司 | A kind of big cross section high-intensity and high-tenacity spheroidal graphite cast-iron profile and preparation method thereof |
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Application publication date: 20180511 |