CN107243593A - A kind of glass-reinforced plastic material crankcase manufacture craft - Google Patents
A kind of glass-reinforced plastic material crankcase manufacture craft Download PDFInfo
- Publication number
- CN107243593A CN107243593A CN201710336993.3A CN201710336993A CN107243593A CN 107243593 A CN107243593 A CN 107243593A CN 201710336993 A CN201710336993 A CN 201710336993A CN 107243593 A CN107243593 A CN 107243593A
- Authority
- CN
- China
- Prior art keywords
- casting
- glass
- reinforced plastic
- crankcase
- plastic material
- 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.)
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Classifications
-
- 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
- B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
- B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
- B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D43/00—Mechanical cleaning, e.g. skimming of molten metals
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
The invention discloses a kind of glass-reinforced plastic material crankcase manufacture craft, comprise the following steps：A, the precoated sand for constituting refractory material add in mould and make loam core；B, phenolic sand molding；C, smelting and pouring；D, cleaning obtain finished product, and operating method of the present invention is simple, and Production Time is short, and cost of labor is low, and crankcase impulse- free robustness, scab is made, scabs, surface uniform ground, producing efficiency and quality are higher.
Description
Technical field
The present invention relates to crankcase preparing technical field, specially a kind of glass-reinforced plastic material crankcase manufacture craft.
Background technology
Cylinder block bottom is used for installing the position referred to as crankcase of bent axle, crankcase point upper crankcase and lower crankcase.On
Crankcase and cylinder block cast solid, lower crankcase are used for lubrication oil, and close upper crankcase, therefore also known as oil sump
Figure.Oil sump stress very little, general to be stamped to form using sheet metal, its shape depends on general layout and the machine oil of engine
Capacity.Oil sump is built with steady oil baffle, to prevent that pasta fluctuation is excessive during automobile porpoising.Oil sump bottom is also equipped with spiral shell of draining the oil
Permanent magnet is housed on plug, usual purge cock, with the metal fillings in adsorpting lubrication oil, the abrasion of engine is reduced.Above and below
Equipped with pad between crankcase composition surface, oil leak is prevented.Glass-reinforced plastic material crankcase preparation technology in the prior art
Complexity, Production Time is long, and cost of labor is high, and obtained crankcase flaw is more, of poor quality.
The content of the invention
It is an object of the invention to provide a kind of glass-reinforced plastic material crankcase manufacture craft, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of glass-reinforced plastic material crankcase manufacture craft,
Comprise the following steps：
A, the precoated sand for constituting refractory material add in mould and make loam core；
B, phenolic sand molding；
C, smelting and pouring；
D, cleaning obtain finished product.
It is preferred that, phenolic sand molding technique comprises the following steps in the step B：
To check whether mould is complete before A, moulding；
B, cleaning die surface；
C, set sandbox, security protection dead head；
D, resin sand is filled out, be compacted；
E, solidification；
F, cleaning die cavity；
G, mould assembling.
It is preferred that, pouring technology comprises the following steps in the step C：
The raw material of A, preparation containing following chemical percents content：C：3.1%-3.5%；Si：1.8%-2.4% ；Mn：0.4%-0.8%；
P≤0.35%；S≤0.125%；Cu≤0.65%；Cr%0.15%-0.35%；Remaining is Fe；
B, by above-mentioned raw materials surface addition pearl sand be heated to smelting temperature, be smelted into molten iron；
C, placement inovulant and aluminium liquid in casting ladle, and casting ladle is preheated with molten iron；
D, molten iron poured into casting ladle, potting syrup is formed after being skimmed rapidly after breeding, in potting syrup surface covering collection slag agent, after skimming
Potting syrup is poured into sandbox, when potting syrup overflows rising head on sandbox, completes to pour into a mould and formed casting；
Covering flux is added after E, casting complete immediately, and casting is incubated more than 48 hours in sandbox.
It is preferred that, clear up and comprise the following steps in the step D：
A, cutting：The redundance at casting edge is cut, in cutting, cutting sheet should leave casting body 1-2mm, prevent cut wound from casting
Part body；Rising head is cut afterwards, and during remove feeders, cutting sheet should leave casting body 1-2mm, prevent cut wound casting body；
B, corase grind：For casting body surrounding spue line, parting line and core print fash will polish flat, and must not have obvious projection；
Three rising heads of polishing casting, make its smooth, no projection afterwards；
C, fine grinding：With small sanding machine to being polished at casting die joint and core print fash, with sanding machine, bistrique or other instruments
Remove cast(ing) surface and core cavity scab, scab, overlap, burr；Afterwards with drill bit machine to being polished at internal fleshiness,
Obtain finished product.
It is preferred that, die cavity is cleared up in the step F and is comprised the following steps：
A, cup and surrounding outer rim, grind off unnecessary flash；
B, die joint, grind off boss at push rod, are allowed to smooth；
C, repairing die cavity and running gate system, wipe the residual sand at edges and corners and core print position off；
D, blow off the debris such as shell mould, floating sand, the dust of mud wicking surface.
It is preferred that, loam core is placed in the sandbox in the step G before mould assembling, lays before loam core, blows off again in sandbox
Floating sand, dust；It is put into after loam core and is sealed with fire clay afterwards, glue in surrounding after loam core placement does not loosen；Prepare mould assembling afterwards,
Mould assembling is positioned using guide gip during mould assembling, cast gate and exhaust rising head are put after mould assembling.
Compared with prior art, the beneficial effects of the invention are as follows：Operating method of the present invention is simple, and Production Time is short, manually
Cost is low, and crankcase impulse- free robustness, scab is made, scabs, surface uniform ground, will not scratch cast(ing) surface in manufacturing process, make
Make efficiency and quality is higher；The qualification rate of casting can effectively be improved by the technique of the present invention, manufacturing enterprise is reduced
While cost, the benefit of enterprise is added.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment
Only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
The present invention provides a kind of technical scheme：A kind of glass-reinforced plastic material crankcase manufacture craft, comprises the following steps：
A, the precoated sand for constituting refractory material add in mould and make loam core；
B, phenolic sand molding；
C, smelting and pouring；
D, cleaning obtain finished product.
In the present embodiment, phenolic sand molding technique comprises the following steps in step B：
To check whether mould is complete before A, moulding；
B, cleaning die surface；
C, set sandbox, security protection dead head；
D, resin sand is filled out, be compacted；
E, solidification；
F, cleaning die cavity；
G, mould assembling.
Wherein, die cavity is cleared up in step F to comprise the following steps：
A, cup and surrounding outer rim, grind off unnecessary flash；
B, die joint, grind off boss at push rod, are allowed to smooth；
C, repairing die cavity and running gate system, wipe the residual sand at edges and corners and core print position off；
D, blow off the debris such as shell mould, floating sand, the dust of mud wicking surface.
In addition, placing loam core in sandbox in step G before mould assembling, lay before loam core, floating sand, the dirt in sandbox are blown off again
Angstrom；It is put into after loam core and is sealed with fire clay afterwards, glue in surrounding after loam core placement does not loosen；Prepare mould assembling afterwards, during mould assembling
Mould assembling is positioned using guide gip, cast gate and exhaust rising head are put after mould assembling.
In the present embodiment, pouring technology comprises the following steps in step C：
The raw material of A, preparation containing following chemical percents content：C：3.1%-3.5%；Si：1.8%-2.4% ；Mn：0.4%-0.8%；
P≤0.35%；S≤0.125%；Cu≤0.65%；Cr%0.15%-0.35%；Remaining is Fe；
B, by above-mentioned raw materials surface addition pearl sand be heated to smelting temperature, be smelted into molten iron；
C, placement inovulant and aluminium liquid in casting ladle, and casting ladle is preheated with molten iron；
D, molten iron poured into casting ladle, potting syrup is formed after being skimmed rapidly after breeding, in potting syrup surface covering collection slag agent, after skimming
Potting syrup is poured into sandbox, when potting syrup overflows rising head on sandbox, completes to pour into a mould and formed casting；First processing is wrapped when breeding
600-800 DEG C is preheated to, bag bottom residue iron block is removed；Backward dykes and dams load nodulizer, above coverage inoculator 3-10 grain
Degree, its granularity is equal to or less than nodulizer；Then rustless splashings or punching, and reality of being pounded are covered again；Should when molten iron is poured
Nodularization hole opposite side is directed at, 550 ± 20kg is punched into, treats that boiling will terminate to be disposed, plus slagging-off；
Covering flux is added after E, casting complete immediately, and casting is incubated more than 48 hours in sandbox.
In addition, in the present embodiment, cleaning comprises the following steps in step D：
A, cutting：The redundance at casting edge is cut, in cutting, cutting sheet should leave casting body 1-2mm, prevent cut wound from casting
Part body；Rising head is cut afterwards, and during remove feeders, cutting sheet should leave casting body 1-2mm, prevent cut wound casting body；
B, corase grind：For casting body surrounding spue line, parting line and core print fash will polish flat, and must not have obvious projection；
Three rising heads of polishing casting, make its smooth, no projection afterwards；
C, fine grinding：With small sanding machine to being polished at casting die joint and core print fash, with sanding machine, bistrique or other instruments
Remove cast(ing) surface and core cavity scab, scab, overlap, burr；Afterwards with drill bit machine to being polished at internal fleshiness,
Obtain finished product.
Operating method of the present invention is simple, and Production Time is short, and cost of labor is low, and crankcase impulse- free robustness, scab is made, scabs,
Cast(ing) surface will not be scratched in surface uniform ground, manufacturing process, producing efficiency and quality are higher；Pass through the technique of the present invention
The qualification rate of casting can be effectively improved, while reducing manufacturing enterprise's cost, the benefit of enterprise is added.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of glass-reinforced plastic material crankcase manufacture craft, it is characterised in that：Comprise the following steps：
A, the precoated sand for constituting refractory material add in mould and make loam core；
B, phenolic sand molding；
C, smelting and pouring；
D, cleaning obtain finished product.
2. a kind of glass-reinforced plastic material crankcase manufacture craft according to claim 1, it is characterised in that：The step B
Middle phenolic sand molding technique comprises the following steps：
To check whether mould is complete before A, moulding；
B, cleaning die surface；
C, set sandbox, security protection dead head；
D, resin sand is filled out, be compacted；
E, solidification；
F, cleaning die cavity；
G, mould assembling.
3. a kind of glass-reinforced plastic material crankcase manufacture craft according to claim 1, it is characterised in that：The step C
Middle pouring technology comprises the following steps：
The raw material of A, preparation containing following chemical percents content：C：3.1%-3.5%；Si：1.8%-2.4% ；Mn：0.4%-0.8%；P
≤0.35%；S≤0.125%；Cu≤0.65%；Cr%0.15%-0.35%；Remaining is Fe；
B, by above-mentioned raw materials surface addition pearl sand be heated to smelting temperature, be smelted into molten iron；
C, placement inovulant and aluminium liquid in casting ladle, and casting ladle is preheated with molten iron；
D, molten iron poured into casting ladle, potting syrup is formed after being skimmed rapidly after breeding, in potting syrup surface covering collection slag agent, after skimming
Potting syrup is poured into sandbox, when potting syrup overflows rising head on sandbox, completes to pour into a mould and formed casting；
Covering flux is added after E, casting complete immediately, and casting is incubated more than 48 hours in sandbox.
4. a kind of glass-reinforced plastic material crankcase manufacture craft according to claim 1, it is characterised in that：The step D
Middle cleaning comprises the following steps：
A, cutting：The redundance at casting edge is cut, in cutting, cutting sheet should leave casting body 1-2mm, prevent cut wound from casting
Part body；Rising head is cut afterwards, and during remove feeders, cutting sheet should leave casting body 1-2mm, prevent cut wound casting body；
B, corase grind：For casting body surrounding spue line, parting line and core print fash will polish flat, and must not have obvious projection；
Three rising heads of polishing casting, make its smooth, no projection afterwards；
C, fine grinding：With small sanding machine to being polished at casting die joint and core print fash, with sanding machine, bistrique or other instruments
Remove cast(ing) surface and core cavity scab, scab, overlap, burr；Afterwards with drill bit machine to being polished at internal fleshiness, i.e.,
Obtain finished product.
5. a kind of glass-reinforced plastic material crankcase manufacture craft according to claim 2, it is characterised in that：The step F
Middle cleaning die cavity comprises the following steps：
A, cup and surrounding outer rim, grind off unnecessary flash；
B, die joint, grind off boss at push rod, are allowed to smooth；
C, repairing die cavity and running gate system, wipe the residual sand at edges and corners and core print position off；
D, blow off the debris such as shell mould, floating sand, the dust of mud wicking surface.
6. a kind of glass-reinforced plastic material crankcase manufacture craft according to claim 2, it is characterised in that：The step G
Loam core is placed in sandbox before middle mould assembling, lays before loam core, floating sand, the dust in sandbox is blown off again；It is put into afterwards after loam core
Sealed with fire clay, glue in surrounding after loam core placement does not loosen；Prepare mould assembling afterwards, mould assembling positioned using guide gip during mould assembling,
Cast gate and exhaust rising head are put after mould assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336993.3A CN107243593A (en) | 2017-05-14 | 2017-05-14 | A kind of glass-reinforced plastic material crankcase manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710336993.3A CN107243593A (en) | 2017-05-14 | 2017-05-14 | A kind of glass-reinforced plastic material crankcase manufacture craft |
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| Publication Number | Publication Date |
|---|---|
| CN107243593A true CN107243593A (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710336993.3A Pending CN107243593A (en) | 2017-05-14 | 2017-05-14 | A kind of glass-reinforced plastic material crankcase manufacture craft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175326A (en) * | 2018-10-24 | 2019-01-11 | 武汉理工大学 | A kind of titanium alloy casting dead head cleaning technology based on industrial robot |
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| DE4310698A1 (en) * | 1992-04-16 | 1993-10-21 | Volkswagen Ag | Machine housing mfr. - by prodn. of aluminium@-impregnated inserts made of aluminium oxide fibres and wear-resistant particles |
| US5261357A (en) * | 1992-02-07 | 1993-11-16 | Kia Motors Corporation | Lightweight engine block cooling system |
| CN102441646A (en) * | 2011-12-08 | 2012-05-09 | 济南重工股份有限公司 | Apparatus and method for casting large-scale semi-gear |
| CN104289677A (en) * | 2014-10-15 | 2015-01-21 | 山西临汾诚信铸造有限公司 | Iron pattern sand-lined casting process |
| CN104451357A (en) * | 2014-11-21 | 2015-03-25 | 柳州金特机械有限公司 | Process for smelting and pouring engine body |
| CN106636878A (en) * | 2017-01-19 | 2017-05-10 | 溧阳市万盛铸造有限公司 | Production technology of crankcase casting |
-
2017
- 2017-05-14 CN CN201710336993.3A patent/CN107243593A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5261357A (en) * | 1992-02-07 | 1993-11-16 | Kia Motors Corporation | Lightweight engine block cooling system |
| DE4310698A1 (en) * | 1992-04-16 | 1993-10-21 | Volkswagen Ag | Machine housing mfr. - by prodn. of aluminium@-impregnated inserts made of aluminium oxide fibres and wear-resistant particles |
| CN102441646A (en) * | 2011-12-08 | 2012-05-09 | 济南重工股份有限公司 | Apparatus and method for casting large-scale semi-gear |
| CN104289677A (en) * | 2014-10-15 | 2015-01-21 | 山西临汾诚信铸造有限公司 | Iron pattern sand-lined casting process |
| CN104451357A (en) * | 2014-11-21 | 2015-03-25 | 柳州金特机械有限公司 | Process for smelting and pouring engine body |
| CN106636878A (en) * | 2017-01-19 | 2017-05-10 | 溧阳市万盛铸造有限公司 | Production technology of crankcase casting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109175326A (en) * | 2018-10-24 | 2019-01-11 | 武汉理工大学 | A kind of titanium alloy casting dead head cleaning technology based on industrial robot |
| CN109175326B (en) * | 2018-10-24 | 2020-10-13 | 武汉理工大学 | Titanium alloy casting head cleaning process based on industrial robot |
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Application publication date: 20171013 |