CN106607545A - Oil pressure calipers and preparation method thereof - Google Patents
Oil pressure calipers and preparation method thereof Download PDFInfo
- Publication number
- CN106607545A CN106607545A CN201610775697.9A CN201610775697A CN106607545A CN 106607545 A CN106607545 A CN 106607545A CN 201610775697 A CN201610775697 A CN 201610775697A CN 106607545 A CN106607545 A CN 106607545A
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- Prior art keywords
- sand
- consumption
- weight portions
- preparation
- mixed material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses oil pressure calipers and a preparation method thereof. The preparation method includes the steps that heated crude sand, phenolic resin, paraformaldehyde, trihydroxymethyl phenol and polyethylene wax are fixed and stirred for the first time, so that a mixed material M is obtained; the mixed material M is cooled; the cooled mixed material M, an urotropine solution and calcium stearate are mixed and stirred for the second time, and accordingly precoated sand N can be obtained; the precoated sand N is added into a core shooter and then is shot into a caliper mold under the action of sand shooting pressure, and a sand shell can be obtained after sand shooting is completed; the sand shooting pressure is 4-8MPa, and sand shooting time is 4-9s; and molten iron is poured into the sand shell, and the oil pressure calipers are obtained after cooling. The oil pressure calipers prepared through the method have good mechanical strength and corrosion resistance.
Description
Technical field
The present invention relates to precoated sand casting field, more particularly to a kind of oil-pressure caliper and preparation method thereof.
Background technology
Precoated sand is one of optimum shaping material such as automobile, tractor, hydraulic part, and it is in curing rate, demoulding, flowing
The aspect such as property, collapsibility, surface finish of casting, storage has larger advantage.The oil-pressure caliper of automobile is that have to make motion
Wheel slow down, stop or keep the pincers class device of the function such as halted state, its decay resistance and mechanical strength are to affect it
The important factor in order of performance.
Therefore, the oil-pressure caliper that high mechanical properties and corrosion resistance are prepared using precoated sand is urgent need to resolve of the present invention
Problem.
The content of the invention
The technical problem to be solved is to provide a kind of oil-pressure caliper and preparation method thereof, obtained oil-pressure caliper
Possess excellent mechanical strength and corrosion resistance.
For achieving the above object, the present invention provides following technical scheme：A kind of preparation method of oil-pressure caliper, wherein,
The preparation method includes：
（1）Roughing sand after heating, phenolic resin, paraformaldehyde, tri hydroxy methyl phenol and Tissuemat E are carried out into first time mixing
Stirring, obtains mixed material M；
（2）The mixed material M is lowered the temperature；
（3）Mixed material M after cooling, methenamine solution and calcium stearate are carried out into second mixing, overlay film is obtained
Sand N；
（4）The precoated sand N is added in core shooter, the precoated sand N is injected in clamp mould by shooting pressure, penetrate sand
After the completion of obtain arenaceous shell；Wherein, shooting pressure is 4-8MPa, and the time for penetrating sand is 4-9s；
（5）Inside molten iron casting to arenaceous shell, oil-pressure caliper is obtained after cooling.
Preferably, relative to the roughing sand of 100 weight portions, the consumption of the phenolic resin is 10-25 weight portions, the poly
The consumption of formaldehyde is 2-8 weight portions, and the consumption of the tri hydroxy methyl phenol is 5-12 weight portions, and the consumption of the Tissuemat E is
1-7 weight portions, the consumption of the methenamine solution is 5-15 weight portions, and the consumption of the calcium stearate is 3-9 weight portions.
Preferably, relative to the roughing sand of 100 weight portions, the consumption of the phenolic resin is 15-20 weight portions, the poly
The consumption of formaldehyde is 4-6 weight portions, and the consumption of the tri hydroxy methyl phenol is 7-10 weight portions, and the consumption of the Tissuemat E is
3-4 weight portions, the consumption of the methenamine solution is 7-12 weight portions, and the consumption of the calcium stearate is 4-5 weight portions.
Preferably, the roughing sand is one or more in quartz sand, silica sand and zircon sand.
Preferably, step（4）Middle clamp mould need to be heated to 220-240 DEG C using before.
Preferably, step（1）In roughing sand 170-190 DEG C need to be heated to using before.
Preferably, step（2）It is middle that the mixed material M is cooled to into 100-110 DEG C.
Preferably, the time that the first time mixes is 20-30s, and the time of second mixing is 5-
15s。
Present invention also offers a kind of oil-pressure caliper, wherein, the oil-pressure caliper is obtained by above-mentioned preparation method.
It is using the beneficial effect of above technical scheme：The invention provides a kind of oil-pressure caliper and preparation method thereof, its
In, the preparation method includes：Roughing sand after heating, phenolic resin, paraformaldehyde, tri hydroxy methyl phenol and Tissuemat E are entered
Row is mixed for the first time, obtains mixed material M；The mixed material M is lowered the temperature；By mixed material M, crow after cooling
Lip river tropine solution and calcium stearate carry out second mixing, obtain precoated sand N；The precoated sand N is added in core shooter,
The precoated sand N is injected in clamp mould by shooting pressure, is penetrated after the completion of sand and is obtained arenaceous shell；Wherein, shooting pressure is 4-
8MPa, the time for penetrating sand is 4-9s；Inside molten iron casting to arenaceous shell, oil-pressure caliper is obtained after cooling；Obtained oil-pressure caliper
Possess excellent mechanical strength and corrosion resistance.
Specific embodiment
The following detailed description of the preferred embodiment of the present invention.
The specific embodiment of the present invention：
Embodiment 1
Will warm up the roughing sand 1000g after 170 DEG C, phenolic resin 150g, paraformaldehyde 40g, tri hydroxy methyl phenol 70g and poly- second
Alkene wax 30g carries out first time mixing（Mixing time is 20s）, obtain mixed material M；The mixed material M is cooled to
100℃；Mixed material M, 70g methenamine solution and 40g calcium stearates after cooling is carried out into second mixing（Stirring
Time be 5s）, obtain precoated sand N；The precoated sand N is added in core shooter, is penetrated the precoated sand N by shooting pressure
Enter clamp mould（Clamp mould need to be heated to 220 DEG C using before）It is interior, penetrate after the completion of sand and obtain arenaceous shell；Wherein, shooting pressure
For 4MPa, the time for penetrating sand is 4s；Inside molten iron casting to arenaceous shell, oil-pressure caliper is obtained after cooling.
Embodiment 2
Will warm up roughing sand 1000g, 200g phenolic resin after 190 DEG C, 60g paraformaldehydes, 100g tri hydroxy methyl phenols and 40g
Tissuemat E carries out first time mixing（Mixing time is 30s）, obtain mixed material M；The mixed material M is cooled to
110℃；Mixed material M, 120g methenamine solution and 50g calcium stearates after cooling is carried out into second mixing（Stir
The time mixed is 15s）, obtain precoated sand N；The precoated sand N is added in core shooter, by shooting pressure by the precoated sand
N injects clamp mould（Clamp mould need to be heated to 240 DEG C using before）It is interior, penetrate after the completion of sand and obtain arenaceous shell；Wherein, sand pressure is penetrated
Power is 8MPa, and the time for penetrating sand is 9s；Inside molten iron casting to arenaceous shell, oil-pressure caliper is obtained after cooling.
Embodiment 3
Will warm up roughing sand 1000g, 180g phenolic resin after 180 DEG C, 50g paraformaldehydes, 80g tri hydroxy methyl phenols and 35g
Tissuemat E carries out first time mixing（Mixing time is 25s）, obtain mixed material M；The mixed material M is cooled to
105℃；Mixed material M, 90g methenamine solution and 45g calcium stearates after cooling is carried out into second mixing（Stirring
Time be 10s）, obtain precoated sand N；The precoated sand N is added in core shooter, by shooting pressure by the precoated sand N
Inject clamp mould（Clamp mould need to be heated to 230 DEG C using before）It is interior, penetrate after the completion of sand and obtain arenaceous shell；Wherein, sand pressure is penetrated
Power is 6MPa, and the time for penetrating sand is 7s；Inside molten iron casting to arenaceous shell, oil-pressure caliper is obtained after cooling.
Embodiment 4
Method according to embodiment 1 is prepared, and except for the difference that, relative to the roughing sand of 1000g, the consumption of the phenolic resin is
100g, the consumption of the paraformaldehyde is 20g, and the consumption of the tri hydroxy methyl phenol is 50g, and the consumption of the Tissuemat E is
10g, the consumption of the methenamine solution is 50g, and the consumption of the calcium stearate is 30g.
Embodiment 5
Method according to embodiment 1 is prepared, and except for the difference that, relative to the roughing sand of 1000g, the consumption of the phenolic resin is
250g, the consumption of the paraformaldehyde is 80g, and the consumption of the tri hydroxy methyl phenol is 120g, the consumption of the Tissuemat E
For 70g, the consumption of the methenamine solution is 150g, and the consumption of the calcium stearate is 90g.
Comparative example 1
Method according to embodiment 1 is prepared, and except for the difference that, relative to the roughing sand of 1000g, the consumption of the phenolic resin is
80g, the consumption of the paraformaldehyde is 15g, and the consumption of the tri hydroxy methyl phenol is 45g, and the consumption of the Tissuemat E is
5g, the consumption of the methenamine solution is 45g, and the consumption of the calcium stearate is 25g.
Comparative example 2
Method according to embodiment 1 is prepared, and except for the difference that, relative to the roughing sand of 1000g, the consumption of the phenolic resin is
260g, the consumption of the paraformaldehyde is 90g, and the consumption of the tri hydroxy methyl phenol is 140g, the consumption of the Tissuemat E
For 80g, the consumption of the methenamine solution is 160g, and the consumption of the calcium stearate is 100g.
Table 1
| Embodiment is numbered | Tensile strength（MPa） | Yield strength（MPa） |
| Embodiment 1 | 990 | 640 |
| Embodiment 2 | 985 | 670 |
| Embodiment 3 | 985 | 665 |
| Embodiment 4 | 915 | 610 |
| Embodiment 5 | 890 | 590 |
| Comparative example 1 | 515 | 315 |
| Comparative example 2 | 520 | 345 |
The invention provides a kind of oil-pressure caliper and preparation method thereof, wherein, the preparation method includes：By the original after heating
Sand, phenolic resin, paraformaldehyde, tri hydroxy methyl phenol and Tissuemat E carry out first time mixing, obtain mixed material M；
The mixed material M is lowered the temperature；Mixed material M after cooling, methenamine solution and calcium stearate are carried out into second
Mix, obtain precoated sand N；The precoated sand N is added in core shooter, is injected the precoated sand N by shooting pressure
In clamp mould, penetrate after the completion of sand and obtain arenaceous shell；Wherein, shooting pressure is 4-8MPa, and the time for penetrating sand is 4-9s；Molten iron is poured
Note to arenaceous shell, oil-pressure caliper is obtained after cooling；Obtained oil-pressure caliper possesses excellent mechanical strength and corrosion resistance.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, some deformations and improvement can also be made, these belong to the present invention
Protection domain.
Claims (9)
1. a kind of preparation method of oil-pressure caliper, it is characterised in that the preparation method includes：
（1）Roughing sand after heating, phenolic resin, paraformaldehyde, tri hydroxy methyl phenol and Tissuemat E are carried out into first time mixing
Stirring, obtains mixed material M；
（2）The mixed material M is lowered the temperature；
（3）Mixed material M after cooling, methenamine solution and calcium stearate are carried out into second mixing, overlay film is obtained
Sand N；
（4）The precoated sand N is added in core shooter, the precoated sand N is injected in clamp mould by shooting pressure, penetrate sand
After the completion of obtain arenaceous shell；Wherein, shooting pressure is 4-8MPa, and the time for penetrating sand is 4-9s；
（5）Inside molten iron casting to arenaceous shell, oil-pressure caliper is obtained after cooling.
2. preparation method according to claim 1, it is characterised in that relative to the roughing sand of 100 weight portions, the phenolic aldehyde tree
The consumption of fat is 10-25 weight portions, and the consumption of the paraformaldehyde is 2-8 weight portions, and the consumption of the tri hydroxy methyl phenol is
5-12 weight portions, the consumption of the Tissuemat E is 1-7 weight portions, and the consumption of the methenamine solution is 5-15 weight portions,
The consumption of the calcium stearate is 3-9 weight portions.
3. preparation method according to claim 2, it is characterised in that relative to the roughing sand of 100 weight portions, the phenolic aldehyde tree
The consumption of fat is 15-20 weight portions, and the consumption of the paraformaldehyde is 4-6 weight portions, and the consumption of the tri hydroxy methyl phenol is
7-10 weight portions, the consumption of the Tissuemat E is 3-4 weight portions, and the consumption of the methenamine solution is 7-12 weight portions,
The consumption of the calcium stearate is 4-5 weight portions.
4. preparation method according to claim 1, it is characterised in that the roughing sand is in quartz sand, silica sand and zircon sand
One or more.
5. preparation method according to claim 1, it is characterised in that step（4）Middle clamp mould using front need heating
To 220-240 DEG C.
6. preparation method according to claim 1, it is characterised in that step（1）In roughing sand need to be heated to using before
170-190℃。
7. preparation method according to claim 1, it is characterised in that step（2）It is middle to be cooled to the mixed material M
100-110℃。
8. preparation method according to claim 1, it is characterised in that the time that the first time mixes is 20-
30s, the time of second mixing is 5-15s.
9. a kind of oil-pressure caliper, it is characterised in that preparation side of the oil-pressure caliper by described in any one in claim 1-8
Method is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610775697.9A CN106607545A (en) | 2016-08-31 | 2016-08-31 | Oil pressure calipers and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610775697.9A CN106607545A (en) | 2016-08-31 | 2016-08-31 | Oil pressure calipers and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106607545A true CN106607545A (en) | 2017-05-03 |
Family
ID=58614989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610775697.9A Pending CN106607545A (en) | 2016-08-31 | 2016-08-31 | Oil pressure calipers and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106607545A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109943768A (en) * | 2019-05-09 | 2019-06-28 | 南京正领汽车部件有限公司 | Lightweight automobile clamp production technology |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012011450A (en) * | 2010-07-05 | 2012-01-19 | Asahi Organic Chemicals Industry Co Ltd | Method of manufacturing casting mold |
| CN102699280A (en) * | 2012-06-30 | 2012-10-03 | 南车戚墅堰机车车辆工艺研究所有限公司 | Sand mould of precoated sand for casting single piston ring and manufacturing method of sand mould |
| CN104791401A (en) * | 2015-03-17 | 2015-07-22 | 湖北冠创铸造科技有限公司 | Iron-type coated-sand casting disc brake caliper body and producing method thereof |
| CN105583362A (en) * | 2016-02-19 | 2016-05-18 | 无锡市凯杰铸造有限公司 | Casting method for producing steel casting through precoated sand |
| WO2016080132A1 (en) * | 2014-11-18 | 2016-05-26 | 株式会社神戸製鋼所 | Evaporative pattern casting method |
| CN105772646A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Large-duty loader hydraulic valve body casting mold and manufacturing method |
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2016
- 2016-08-31 CN CN201610775697.9A patent/CN106607545A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012011450A (en) * | 2010-07-05 | 2012-01-19 | Asahi Organic Chemicals Industry Co Ltd | Method of manufacturing casting mold |
| CN102699280A (en) * | 2012-06-30 | 2012-10-03 | 南车戚墅堰机车车辆工艺研究所有限公司 | Sand mould of precoated sand for casting single piston ring and manufacturing method of sand mould |
| WO2016080132A1 (en) * | 2014-11-18 | 2016-05-26 | 株式会社神戸製鋼所 | Evaporative pattern casting method |
| CN104791401A (en) * | 2015-03-17 | 2015-07-22 | 湖北冠创铸造科技有限公司 | Iron-type coated-sand casting disc brake caliper body and producing method thereof |
| CN105583362A (en) * | 2016-02-19 | 2016-05-18 | 无锡市凯杰铸造有限公司 | Casting method for producing steel casting through precoated sand |
| CN105772646A (en) * | 2016-04-22 | 2016-07-20 | 南通华东油压科技有限公司 | Large-duty loader hydraulic valve body casting mold and manufacturing method |
Non-Patent Citations (1)
| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109943768A (en) * | 2019-05-09 | 2019-06-28 | 南京正领汽车部件有限公司 | Lightweight automobile clamp production technology |
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Application publication date: 20170503 |
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