CN105695856A - Nodular cast iron for high-toughness driving axle housing of high-end load-bearing forklift and production method thereof - Google Patents
Nodular cast iron for high-toughness driving axle housing of high-end load-bearing forklift and production method thereof Download PDFInfo
- Publication number
- CN105695856A CN105695856A CN201610208785.0A CN201610208785A CN105695856A CN 105695856 A CN105695856 A CN 105695856A CN 201610208785 A CN201610208785 A CN 201610208785A CN 105695856 A CN105695856 A CN 105695856A
- Authority
- CN
- China
- Prior art keywords
- iron
- axle housing
- driving axle
- ladle
- pouring
- 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.)
- Pending
Links
- 229910001141 Ductile iron Inorganic materials 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000004576 sand Substances 0.000 claims abstract description 22
- 239000011159 matrix material Substances 0.000 claims abstract description 5
- 238000011081 inoculation Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 239000011572 manganese Substances 0.000 claims description 9
- 238000010183 spectrum analysis Methods 0.000 claims description 9
- 239000010936 titanium Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 8
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 238000004458 analytical method Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 239000011593 sulfur Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910001567 cementite Inorganic materials 0.000 claims description 3
- 239000004927 clay Substances 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000002054 inoculum Substances 0.000 claims description 3
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052702 rhenium Inorganic materials 0.000 claims description 3
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 238000009991 scouring Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 230000003595 spectral effect Effects 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 125000000542 sulfonic acid group Chemical group 0.000 claims description 2
- 238000003723 Smelting Methods 0.000 abstract 1
- 239000007849 furan resin Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses nodular cast iron for a high-toughness driving axle housing of a high-end load-bearing forklift. The nodular cast iron comprises, by weight percentage, 3.2-3.4% of C, 1.8-2.1% of Si, 0-0.2% of Mn, 0-0.015% of S, 0-0.03% of P, 0.04-0.06% of Mg, 0-0.015% of Ti, 0.01-0.025% of Re, and the balance Fe. A specific production method includes the following steps that furan resin sand molding is adopted, a medium frequency furnace is used for smelting, a low spheroidizing temperature is adopted, secondary slagging-off is conducted after spheroidizing, metal-stream inoculation is carried out during ladle-to-ladle and pouring, pouring time is controlled, and the nodular cast iron for the high-toughness 650 Kg driving axle housing of the high-end load-bearing forklift is cast and meets requirements. The prepared nodular cast iron body is excellent in mechanical property, the matrix structure is compact, the cost is low, and the nodular cast iron is the optimal as-cast nodular iron QT400-18AL for producing the high-toughness 650 Kg driving axle housing of the high-end load-bearing forklift.
Description
Technical field:
The present invention relates to a kind of load-carrying high-end fork truck high tenacity 650KG driving axle housing spheroidal graphite cast-iron QT400-18AL and production method thereof, belong to load-carrying high tenacity forklift bridge shell production technical field。
Background technology:
Development along with Domestic Automotive Industry, the combination property of spheroidal graphite cast-iron is required more and more higher by load-carrying fork truck high tenacity 650KG driving axle housing class part, want large batch of steady production height trade mark high tenacity cast condition ductile iron part, difficulty is bigger, also taking into account production cost, this is the main cause causing many producers to be difficult to steady production simultaneously。
Summary of the invention:
The technical problem to be solved is: overcome the deficiency of existing production technology, a kind of load-carrying fork truck high tenacity 650KG driving axle housing spheroidal graphite cast-iron and production method thereof are provided, can carry out stablizing lasting production, substantially increase product yield and the quality of technique product, greatly reduce production cost to meet the demand in market and enterprise。
The present invention solves that technical problem is adopted the technical scheme that:
A kind of load-carrying high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron, its chemical composition is by weight percentage: carbon C3.2～3.4%, silicon Si1.8～2.1%, manganese Mn 0.2%, sulfur S≤0.015%, phosphorus P≤0.03%, magnesium Mg0.04～0.06%, titanium Ti≤0.015%, rhenium Re0.01～0.025%, surplus is ferrum Fe；
In this load-carrying high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron:
Matrix metallographic: ferrite 85%, cementite 3%, Oxygen potential 85%, graphite size: 6～8 grades；
Body mechanical property: tensile strength sigma b >=400MPa, elongation percentage δ >=18, V-notch single casting sample ballistic work: low temperature-20 ± 2 DEG C, Brinell hardness: 120～175HB, yield strength σ >=240。
The production method of described load-carrying high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron, its concrete technology flow process is as follows:
A, moulding operation: adopt furan resin-sand, scouring sand is the common silica sand that granularity is 40～70 orders, require clay content≤0.3%, moisture content≤0.3%, firming agent sulfonic acid solid agent, the addition of furan resin-sand is clean sand addition 0.8～1.2%, and sulfonic acid solid agent addition is the 30～60% of furan resin-sand；With alcohol-base paint, all positions contacted with ferrum liquid being brushed, fuse uses furan resin-sand to get by hand, and core requires that aerofluxus is good, die cavity to be cleaned out before mould assembling, and mould assembling gap must not exceed 1mm；
B, middle frequency furnace fusing operation: adopt 5 tons of middle frequency furnace continuous meltings, it is desirable to process is steady, tapping temperature 1450～1500 DEG C, ferrum liquid component requirements is: carbon C3.2～3.4%, silicon Si0.9～1.2%, sulfur S≤0.025%, phosphorus P≤0.03%, Mn≤0.2%, Ti≤0.015%；
C, spectral component analysis: 5 tons of middle frequency furnaces heat up after stablizing, and are stirred by sample spoon, fully in molten iron
After preheating, insert the sampling of below molten iron 150mm depths and carry out spectrum analysis；If composition has deviation, then it is adjusted in electric furnace, until meeting step " B " defined composition；After composition is qualified, ferrum liquid is poured into preparation spheroidising in nodularization bag；
D, spheroidising: adopt the common method that pours to carry out spheroidising, adding order is nodulizer Carson KM-60L, inovulant Carson KY-C, pretreating agent Carson's A level, then with slag rake, these alloys carries out appropriateness consolidation；Tapping temperature 1450～1500 DEG C, then spreads appropriate slagging scorification agent and skims, and the process of skimming must carry out 2 times, then passes through spectral analysis sample；
In E, nodularization bag spectral analysis sample qualified after, pour in pouring ladle, the addition of ladle-to-ladle inovulant is the 0.4% of weight of molten iron, ladle-to-ladle inovulant select Carson KY-C, granularity is 3～8mm；
F, casting process: carry out current-following inoculation in casting process, random inoculant selects granularity to be the Carson of 0.1～0.5mm, and each pouring ladle duration of pouring, single case duration of pouring was 40～60s, and pouring temperature is 1350～1330 DEG C less than 10 minutes；
G, shake out time: after pouring into a mould latter 4 hours, after cast iron shakes out, depletion phase test block carries out Metallographic Analysis；The cast iron that H, metallographic are qualified proceeds to dressing shop and clears up, and tests, and sprays antirust paint, packing
Put in storage。
In step " A ", described firming agent is sulfonic acid solid agent。
The nodulizer Carson KM-60L of the present invention, inovulant Carson KY-C, pretreating agent Carson's A level, ladle-to-ladle inovulant Carson KY-C etc., provide by Chongqing Carson's founding materials company limited and produce。
The present invention actively has the beneficial effect that:
1, the production method of load-carrying of the present invention high-end fork truck high tenacity 650KG driving axle housing spheroidal graphite cast-iron is adopted, substantially increase product yield and product quality, the spheroidal graphite cast-iron that the heavy duty high tenacity forklift bridge shell that can be mass-produced is special, effectively reduces casting cost。
2, the present invention is by adopting relatively low nodularization temperature of coming out of the stove, and is conducive to saving energy consumption, improving the unfailing performance of continuous-stable Foundry Production。
3, the load-carrying fork truck high tenacity 650KG driving axle housing cast condition ductile iron that the present invention produces, owing to adopting the one-tenth of the present invention to be grouped into and the reinforced order in stokehold, and with relatively low spheroidization treatment temperature, body good mechanical performance, matrix is fine and close, can be widely applied to load-carrying high tenacity forklift bridge shell and produces。
4, the load-carrying fork truck high tenacity 650KG driving axle housing cast condition ductile iron that the present invention produces, good mechanical performance, performance can fully meet the technical standard of QT400-18AL。
Detailed description of the invention:
Below in conjunction with specific embodiment, the present invention is made further explanation and description:
Embodiment: a kind of load-carrying high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron, its chemical composition is by weight percentage: carbon C3.2～3.4%, silicon Si1.8～2.1%, manganese Mn 0.2%, sulfur S≤0.015%, phosphorus P≤0.03%, magnesium Mg0.04～0.06%, titanium Ti≤0.015%, rhenium Re0.01～0.025%, surplus is ferrum Fe；
In this load-carrying high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron:
Matrix metallographic: ferrite 85%, cementite 3%, Oxygen potential 85%, graphite size: 6～8 grades；
Body mechanical property: tensile strength sigma b >=400MPa, elongation percentage δ >=18, V-notch single casting sample ballistic work: low temperature-20 ± 2 DEG C, Brinell hardness: 120～175HB, yield strength σ >=240。
The production method of load-carrying recited above high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron, its concrete technology flow process is as follows:
A, moulding operation: adopt furan resin-sand, scouring sand is the common silica sand that granularity is 40～70 orders, require clay content≤0.3%, moisture content≤0.3%, firming agent sulfonic acid solid agent, the addition of furan resin-sand is clean sand addition 0.8～1.2%, and sulfonic acid solid agent addition is the 30～60% of furan resin-sand；With alcohol-base paint, all positions contacted with ferrum liquid being brushed, fuse uses furan resin-sand to get by hand, and core requires that aerofluxus is good, die cavity to be cleaned out before mould assembling, and mould assembling gap must not exceed 1mm；
B, middle frequency furnace fusing operation: adopt 5 tons of middle frequency furnace continuous meltings, it is desirable to process is steady, tapping temperature 1450～1500 DEG C, ferrum liquid component requirements is: carbon C3.2～3.4%, silicon Si0.9～1.2%, sulfur S≤0.025%, phosphorus P≤0.03%, Mn≤0.2%, Ti≤0.015%；
C, spectral component analysis: 5 tons of middle frequency furnaces heat up after stablizing, and are stirred by sample spoon, fully in molten iron
After preheating, insert the sampling of below molten iron 150mm depths and carry out spectrum analysis；If composition has deviation, then it is adjusted in electric furnace, until meeting step " B " defined composition；After composition is qualified, ferrum liquid is poured into preparation spheroidising in nodularization bag；
D, spheroidising: adopt the common method that pours to carry out spheroidising, adding order is nodulizer Carson KM-60L, inovulant Carson KY-C, pretreating agent Carson's A level, then with slag rake, these alloys carries out appropriateness consolidation；Tapping temperature 1450～1500 DEG C, then spreads appropriate slagging scorification agent and skims, and the process of skimming must carry out 2 times, then passes through spectral analysis sample；
In E, nodularization bag spectral analysis sample qualified after, pour in pouring ladle, the addition of ladle-to-ladle inovulant is the 0.4% of weight of molten iron, ladle-to-ladle inovulant select Carson KY-C, granularity is 3～8mm；
F, casting process: carry out current-following inoculation in casting process, random inoculant selects granularity to be the Carson of 0.1～0.5mm, and each pouring ladle duration of pouring, single case duration of pouring was 40～60s, and pouring temperature is 1350～1330 DEG C less than 10 minutes；
G, shake out time: after pouring into a mould latter 4 hours, after cast iron shakes out, depletion phase test block carries out Metallographic Analysis；The cast iron that H, metallographic are qualified proceeds to dressing shop and clears up, and tests, and sprays antirust paint, packing
Put in storage。
Claims (3)
1. a load-carrying high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron, it is characterized in that: its chemical composition is by weight percentage: carbon C3.2～3.4%, silicon Si1.8～2.1%, manganese Mn 0.2%, sulfur S≤0.015%, phosphorus P≤0.03%, magnesium Mg0.04～0.06%, titanium Ti≤0.015%, rhenium Re0.01～0.025%, surplus is ferrum Fe；
In this load-carrying high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron:
Matrix metallographic: ferrite 85%, cementite 3%, Oxygen potential 85%, graphite size: 6～8 grades；
Body mechanical property: tensile strength sigma b >=400MPa, elongation percentage δ >=18, V-notch single casting sample ballistic work: low temperature-20 ± 2 DEG C, Brinell hardness: 120～175HB, yield strength σ >=240。
2. the production method of the load-carrying high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron described in claim 1, its concrete technology flow process is as follows:
A, moulding operation: adopt furan resin-sand, scouring sand is the common silica sand that granularity is 40～70 orders, require clay content≤0.3%, moisture content≤0.3%, firming agent sulfonic acid solid agent, the addition of furan resin-sand is clean sand addition 0.8～1.2%, and sulfonic acid solid agent addition is the 30～60% of furan resin-sand；With alcohol-base paint, all positions contacted with ferrum liquid being brushed, fuse uses furan resin-sand to get by hand, and core requires that aerofluxus is good, die cavity to be cleaned out before mould assembling, and mould assembling gap must not exceed 1mm；
B, middle frequency furnace fusing operation: adopt 5 tons of middle frequency furnace continuous meltings, it is desirable to process is steady, tapping temperature 1450～1500 DEG C, ferrum liquid component requirements is: carbon C3.2～3.4%, silicon Si0.9～1.2%, sulfur S≤0.025%, phosphorus P≤0.03%, Mn≤0.2%, Ti≤0.015%；
C, spectral component analysis: 5 tons of middle frequency furnaces heat up after stablizing, and are stirred by sample spoon, fully in molten iron
After preheating, insert the sampling of below molten iron 150mm depths and carry out spectrum analysis；If composition has deviation, then it is adjusted in electric furnace, until meeting step " B " defined composition；After composition is qualified, ferrum liquid is poured into preparation spheroidising in nodularization bag；
D, spheroidising: adopt the common method that pours to carry out spheroidising, adding order is nodulizer Carson KM-60L, inovulant Carson KY-C, pretreating agent Carson's A level, then with slag rake, these alloys carries out appropriateness consolidation；Tapping temperature 1450～1500 DEG C, then spreads appropriate slagging scorification agent and skims, and the process of skimming must carry out 2 times, then passes through spectral analysis sample；
In E, nodularization bag spectral analysis sample qualified after, pour in pouring ladle, the addition of ladle-to-ladle inovulant is the 0.4% of weight of molten iron, ladle-to-ladle inovulant select Carson KY-C, granularity is 3～8mm；
F, casting process: carry out current-following inoculation in casting process, random inoculant selects granularity to be the Carson of 0.1～0.5mm, and each pouring ladle duration of pouring, single case duration of pouring was 40～60s, and pouring temperature is 1350～1330 DEG C less than 10 minutes；
G, shake out time: after pouring into a mould latter 4 hours, after cast iron shakes out, depletion phase test block carries out Metallographic Analysis；The cast iron that H, metallographic are qualified proceeds to dressing shop and clears up, and tests, and sprays antirust paint, packing
Put in storage。
3. the production method of load-carrying according to claim 2 high-end fork truck high tenacity driving axle housing spheroidal graphite cast-iron, it is characterised in that: in step " A ", described firming agent is sulfonic acid solid agent。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208785.0A CN105695856A (en) | 2016-04-06 | 2016-04-06 | Nodular cast iron for high-toughness driving axle housing of high-end load-bearing forklift and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610208785.0A CN105695856A (en) | 2016-04-06 | 2016-04-06 | Nodular cast iron for high-toughness driving axle housing of high-end load-bearing forklift and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105695856A true CN105695856A (en) | 2016-06-22 |
Family
ID=56219169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610208785.0A Pending CN105695856A (en) | 2016-04-06 | 2016-04-06 | Nodular cast iron for high-toughness driving axle housing of high-end load-bearing forklift and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105695856A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086609A (en) * | 2016-07-14 | 2016-11-09 | 安徽樵森电气科技股份有限公司 | A kind of spheroidal graphite cast-iron yoke plate |
| CN106244904A (en) * | 2016-07-14 | 2016-12-21 | 安徽樵森电气科技股份有限公司 | A kind of corrosion-resistant prolongation ring |
| CN111621691A (en) * | 2020-05-12 | 2020-09-04 | 安徽天平机械股份有限公司 | Automobile drive axle housing and casting process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04329823A (en) * | 1991-05-01 | 1992-11-18 | Senshiyuu:Kk | Production of mandrel made of ductile cast iron for crawler |
| JP3204293B2 (en) * | 1996-04-29 | 2001-09-04 | 日立金属株式会社 | Method of manufacturing spheroidal graphite cast iron member |
| JP5113104B2 (en) * | 2009-02-18 | 2013-01-09 | 株式会社栗本鐵工所 | Spheroidal graphite cast iron pipe and manufacturing method thereof |
| CN102965567A (en) * | 2012-11-22 | 2013-03-13 | 日月重工股份有限公司 | Casting thick large-section pearlite nodular cast iron and casting method thereof |
| CN103422009A (en) * | 2013-08-14 | 2013-12-04 | 辉县市汽车配件有限责任公司 | Nodular cast iron for rear axle housing of lorry and production method of nodular cast iron |
| CN104024449A (en) * | 2011-08-17 | 2014-09-03 | 马勒发动机零部件巴西有限公司 | Cylinder liner and cast iron alloy |
-
2016
- 2016-04-06 CN CN201610208785.0A patent/CN105695856A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04329823A (en) * | 1991-05-01 | 1992-11-18 | Senshiyuu:Kk | Production of mandrel made of ductile cast iron for crawler |
| JP3204293B2 (en) * | 1996-04-29 | 2001-09-04 | 日立金属株式会社 | Method of manufacturing spheroidal graphite cast iron member |
| JP5113104B2 (en) * | 2009-02-18 | 2013-01-09 | 株式会社栗本鐵工所 | Spheroidal graphite cast iron pipe and manufacturing method thereof |
| CN104024449A (en) * | 2011-08-17 | 2014-09-03 | 马勒发动机零部件巴西有限公司 | Cylinder liner and cast iron alloy |
| CN102965567A (en) * | 2012-11-22 | 2013-03-13 | 日月重工股份有限公司 | Casting thick large-section pearlite nodular cast iron and casting method thereof |
| CN103422009A (en) * | 2013-08-14 | 2013-12-04 | 辉县市汽车配件有限责任公司 | Nodular cast iron for rear axle housing of lorry and production method of nodular cast iron |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106086609A (en) * | 2016-07-14 | 2016-11-09 | 安徽樵森电气科技股份有限公司 | A kind of spheroidal graphite cast-iron yoke plate |
| CN106244904A (en) * | 2016-07-14 | 2016-12-21 | 安徽樵森电气科技股份有限公司 | A kind of corrosion-resistant prolongation ring |
| CN111621691A (en) * | 2020-05-12 | 2020-09-04 | 安徽天平机械股份有限公司 | Automobile drive axle housing and casting process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102965567B (en) | Casting thick large-section pearlite nodular cast iron and casting method thereof | |
| CN103422009B (en) | Rear axle housing spheroidal graphite cast iron and production method thereof in cargo truck | |
| CN104120332B (en) | High-intensity high-tenacity spheroidal graphite cast-iron 600-10 and production technology thereof | |
| CN103215488B (en) | Method for integrally casting large-sized V-shaped diesel engine body by utilizing nodular cast iron | |
| CN108004460B (en) | High-strength high-toughness as-cast QT800-5 nodular cast iron and production method thereof | |
| CN102747268B (en) | High-strength high-ductility nodular cast iron and manufacturing method thereof | |
| CN103882279B (en) | A kind of melting method of high-strength gray cast iron part | |
| CN102876962B (en) | Method for manufacturing bainite ductile cast iron piston ring | |
| CN104233048B (en) | Cast state high-strength and high-toughness ball iron alloy for steering axle and preparation method of cast state high-strength and high-toughness ball iron alloy | |
| CN105220060B (en) | High-strength ductile iron and production method thereof | |
| CN102310187B (en) | Elevator traction sheave casting method | |
| CN103131942B (en) | High nodulizing rate vermicular cast iron and the method for making of IC engine cylinder body, cylinder cover | |
| CN107119168B (en) | A kind of method of blast-melted short route casting high-quality casting | |
| CN105483505A (en) | Preparation method of high-strength gray cast iron cast cylinder block | |
| CN101823139B (en) | Casting method of low-alloy hydraulic pump stator casting | |
| CN102260819A (en) | As-cast thick and large section pearlite based nodular cast iron material | |
| CN104878275A (en) | Production technology for ductile iron casting with high strength and high ductility | |
| CN102181783A (en) | High-strength ductile cast iron and manufacturing method thereof | |
| CN102233407A (en) | Casting method of as-cast high-strength ductile iron crankshafts | |
| CN104264035A (en) | High-performance nodular cast iron crankshaft and preparation method thereof | |
| CN105886693A (en) | Smelting method for medium-strength and high-ductility ductile cast iron | |
| CN104726759A (en) | Production method of as-cast high-strength gray cast iron | |
| CN105695856A (en) | Nodular cast iron for high-toughness driving axle housing of high-end load-bearing forklift and production method thereof | |
| CN107326257A (en) | A kind of hi-strength nodular iron section bar and preparation method thereof | |
| CN104962801A (en) | Smelting method of high-strength gray cast iron |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |