CN106552903A - Integrated spiral channel aluminium alloy electric casing lost-foam casting method - Google Patents
Integrated spiral channel aluminium alloy electric casing lost-foam casting method Download PDFInfo
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- CN106552903A CN106552903A CN201510638662.6A CN201510638662A CN106552903A CN 106552903 A CN106552903 A CN 106552903A CN 201510638662 A CN201510638662 A CN 201510638662A CN 106552903 A CN106552903 A CN 106552903A
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Abstract
The invention discloses a kind of integrated spiral channel aluminium alloy electric casing lost-foam casting method, can solve the lost foam casting of the integrated water cooling motor casing that spiral channel diameter is big, spiral number of turns are more, spiral channel sectional area is little very well.Production efficiency is effectively increased, Product Precision is high, and inner chamber draft angle very little, allowance are little, after cast wall, reach 5mm, effective integrated water cooling motor casing casting realizes lightweight manufacture process.Die life is high simultaneously, and productive temp significantly shortens, high degree of automation.
Description
Technical field
The present invention relates to casting technology field, more particularly to a kind of integrated spiral channel aluminum conjunction
Golden motor casing lost-foam casting method.
Background technology
With constantly excessively developing for non-renewable energy resources, and cause to earth atmosphere ecology
Destruction so that clean energy vehicle becomes this century new vehicles.And zero, core automobile
Part --- motor, as the thermal cycle of the spiral channel molding to whole motor of motor casing plays pole
Its important impact, and channel structure is extremely complex, and in closed folder chamber, it is impossible to it is enough to process,
Then very accurate to pressing from both sides chamber required precision, surface cleanness requires very high, its integrated water-cooling shell
Body casts, and is faced with a difficult problem for casting at present, and cannot realize that what is produced in enormous quantities answers
With.
It is at present to adopt metal gravity casting method, the casting method to have the disadvantage that more：1st, by
Too little in spiral channel sectional area, spiral number of turns are a lot, and spiral sand core strength is not enough easily broken off
In casting cycle, water channel is caused to be difficult to effective molding；If the 2, improving sand core strength, casting
After the completion of, core very collapsibility can be very poor, it is difficult to takes out from folder chamber spiral channel.3rd, electricity
Casing wall thickness is very thin, and about in 5mm or so, core often partially wall, machining cause leak wind
Danger；4th, core needs to make many steam vents, causes have many fabrication holes on motor casing, so
After need to be shut with plug, cause product unsightly.5th, later stage artificial clear sand workload is very big,
Labour cost is high.
The content of the invention
The technical problem to be solved is to provide a kind of integrated spiral channel aluminium alloy
Motor casing lost-foam casting method, can solve that spiral channel diameter is big, spiral number of turns are more very well,
The lost foam casting of the little integrated water cooling motor casing of spiral channel sectional area.Effectively increase life
Efficiency is produced, Product Precision is high, and inner chamber draft angle very little, allowance are little, reach after cast wall
5mm, effective integrated water cooling motor casing casting, realizes lightweight manufacture process.Simultaneously
Die life is high, and productive temp significantly shortens, high degree of automation.
To solve above-mentioned technical problem, a kind of integrated spiral channel aluminium alloy that the present invention is provided
Motor casing lost-foam casting method, including：
The white mould mould structure design of step 1, motor casing：Specially bonded products architectural feature,
Spiral channel motor casing inner chamber and bottom head covers design are integrated；
Step 2, prefoam and module molding：Specially simultaneously using copolymerization macrofoam beadlet and
Copolymerization another typical material beadlet prefoam, control vapour source pressure 0.05--0.08Mpa, electric contact pressure
Power table adjusts (0.050Mpa ± 0.005Mpa), 18～23g/L of proportion, and volatile content >=
3.5%]；24 hours curing times；Again beadlet after foaming is added in module forming machine, is made
Uniformly, it is smooth, flexible module；Continue in humidity below 30,42 DEG C -45 DEG C of temperature
Drying room is dried 24 hours；
Step 3, molding bonded：Specially bond with runner system after module bonding assembled formation
It is molded as one, glue-spread is less than 20g；
Step 4, swabbing：Shaping integrated white mould surface in step 3 is hung into coating specially,
Using rolling leaching in spiral channel, it is ensured that coating flows in one direction, rotary speed is controlled, applied
Material THICKNESS CONTROL is between 0.6-0.8mm, it is ensured that white without hanging, and is put into 45 DEG C of -55 DEG C of drying rooms,
Below 30, the drying room time is more than 72 hours humid control；
Sand is filled out in step 5, spiral channel vibrations：Maximum planes are specially selected to keep flat, by spiral
Water channel folder fills out sand in chamber, it is ensured that fills out sand and fills；
Husky moulding is buried in step 6, vibrations：Specially by the model that finishes of drying in step 5 as
Plain jolter, layering addition molding sand husky using rain type note, the ram-jolt in addition, ram-jolt time
55s-65s；
Step 7, casting cycle：Bottom gating system is specially adopted, will be shaken in step 6
Real mould is cast, 740-810 DEG C of cast temperature, and casting time is more than 20s；
Step 8, blast cleaning, specially treat the complete cooled and solidified of aluminum water, by blast cleaning
The integrated spiral channel motor casing cast with lost-foam casting method can be obtained.
Further, beads described in step 2 are that bead diameter is less than 0.5mm；Macrobead
It is more than or equal to 0.5mm for bead diameter.
Further, the spiral channel width 20mm, height 7mm.
The technical problem to be solved is to provide a kind of integrated spiral channel aluminium alloy
Motor casing lost-foam casting method, can solve that spiral channel diameter is big, spiral number of turns are more very well,
The lost foam casting of the little integrated water cooling motor casing of spiral channel sectional area.Effectively increase life
Efficiency is produced, Product Precision is high, and inner chamber draft angle very little, allowance are little, reach after cast wall
5mm, effective integrated water cooling motor casing casting, realizes lightweight manufacture process.Simultaneously
Die life is high, and productive temp significantly shortens, high degree of automation.
Description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Fig. 1 is integration spiral channel aluminium alloy electric casing lost-foam casting method stream of the invention
Cheng Tu.
Specific embodiment
It is there can be further description to the purpose of the present invention, feature and effect, below matches somebody with somebody
After closing detailed description such as.
As shown in figure 1, being present invention integration spiral channel aluminium alloy electric casing lost foam casting
Method, including：
The white mould mould structure design of step 1, motor casing：Specially bonded products architectural feature,
Spiral channel motor casing inner chamber and bottom head covers design are integrated；Purpose is to reduce one
Road foam bonding, it is ensured that the coaxial accuracy of leading portion lid and inner chamber.
Step 2, prefoam and module molding：Specially simultaneously using copolymerization macrofoam beadlet and
Copolymerization another typical material beadlet prefoam, control vapour source pressure 0.05--0.08Mpa, electric contact pressure
Power table adjusts (0.050Mpa ± 0.005Mpa), 18～23g/L of proportion, and volatile content >=
3.5%]；24 hours curing times；Again beadlet after foaming is added in module forming machine, is made
Uniformly, it is smooth, flexible module；Continue in humidity below 30,42 DEG C -45 DEG C of temperature
Drying room is dried 24 hours.Wherein beads are used for motor casing outer wall, and macrobead is used for motor casing
Inwall, wherein beads are beadlet of the diameter less than 0.5mm；Macrobead is diameter
More than or equal to the beadlet of 0.5mm.
Step 3, molding bonded：Specially bond with runner system after module bonding assembled formation
It is molded as one, glue-spread is less than 20g.Wherein, runner system is for connecting casting zero
The access way of part, generally has cross gate and vertical running channel bonding to constitute.
Step 4, swabbing：Shaping integrated white mould surface in step 3 is hung into coating specially,
Using rolling leaching in spiral channel, it is ensured that coating flows in one direction, rotary speed is controlled, applied
Material THICKNESS CONTROL is between 0.6-0.8mm, it is ensured that white without hanging, and is put into 45 DEG C of -55 DEG C of drying rooms,
Below 30, the drying room time is more than 72 hours humid control.Spiral channel is accelerated with thermal current
Drying.
Sand is filled out in step 5, spiral channel vibrations：Maximum planes are specially selected to keep flat, by spiral
Water channel folder fills out sand in chamber, it is ensured that fills out sand and fills.Spiral channel width 20mm, height 7mm.
Husky moulding is buried in step 6, vibrations：Specially by the model that finishes of drying in step 5 as
Plain jolter, layering addition molding sand husky using rain type note, the ram-jolt in addition, ram-jolt time
55s-65s。
Step 7, casting cycle：Bottom gating system is specially adopted, will be shaken in step 6
Real mould is cast, 740-810 DEG C of cast temperature, and casting time is more than 20s.
Step 8, blast cleaning, specially treat the complete cooled and solidified of aluminum water, by blast cleaning,
The integrated spiral channel motor casing cast with lost-foam casting method can be obtained.
The present invention is described in detail above by specific embodiment, but these not structures
Into limitation of the present invention.Without departing from the principles of the present invention, those skilled in the art
Member can also make many deformations and improvement, and these also should be regarded as protection scope of the present invention.
Claims (3)
1. a kind of integrated spiral channel aluminium alloy electric casing lost-foam casting method, its feature
It is, including：
The white mould mould structure design of step 1, motor casing：Specially bonded products architectural feature,
Spiral channel motor casing inner chamber and bottom head covers design are integrated；
Step 2, prefoam and module molding：Specially simultaneously using copolymerization macrofoam beadlet and
Copolymerization another typical material beadlet prefoam, control vapour source pressure 0.05--0.08Mpa, electric contact pressure
Power table adjusts 0.050Mpa ± 0.005Mpa, 18～23g/L of proportion, volatile content >=3.5%]；
24 hours curing times；Again beadlet after foaming is added in module forming machine, make it is uniform,
It is smooth, flexible module；Continue in humidity below 30,42 DEG C of -45 DEG C of drying rooms drying of temperature
24 hours；
Step 3, molding bonded：Specially bond with runner system after module bonding assembled formation
It is molded as one, glue-spread is less than 20g；
Step 4, swabbing：Shaping integrated white mould surface in step 3 is hung into coating specially,
Using rolling leaching in spiral channel, it is ensured that coating flows in one direction, rotary speed is controlled, applied
Material THICKNESS CONTROL is between 0.6-0.8mm, it is ensured that white without hanging, and is put into 45 DEG C of -55 DEG C of drying rooms,
Below 30, the drying room time is more than 72 hours humid control；
Sand is filled out in step 5, spiral channel vibrations：Maximum planes are specially selected to keep flat, by spiral
Water channel folder fills out sand in chamber, it is ensured that fills out sand and fills；
Husky moulding is buried in step 6, vibrations：Specially by the model that finishes of drying in step 5 as
Plain jolter, layering addition molding sand husky using rain type note, the ram-jolt in addition, ram-jolt time
55s-65s：
Step 7, casting：Bottom gating system is adopted specially, by ram-jolt mould in step 6
Type is cast, 740-810 DEG C of cast temperature, and casting time is more than 20s；
Step 8, blast cleaning, specially treat the complete cooled and solidified of aluminum water, by blast cleaning
The integrated spiral channel motor casing cast with lost-foam casting method can be obtained.
2. as claimed in claim 1 integration spiral channel aluminium alloy electric casing lost foam casting
Method, it is characterised in that：Beads described in step 2 are that bead diameter is less than 0.5mm；Greatly
Beadlet is that bead diameter is more than or equal to 0.5mm.
3. as claimed in claim 1 integration spiral channel aluminium alloy electric casing lost foam casting
Method, it is characterised in that：The spiral channel width 20mm, height 7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510638662.6A CN106552903A (en) | 2015-09-30 | 2015-09-30 | Integrated spiral channel aluminium alloy electric casing lost-foam casting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510638662.6A CN106552903A (en) | 2015-09-30 | 2015-09-30 | Integrated spiral channel aluminium alloy electric casing lost-foam casting method |
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| Publication Number | Publication Date |
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| CN106552903A true CN106552903A (en) | 2017-04-05 |
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ID=58417281
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| CN201510638662.6A Pending CN106552903A (en) | 2015-09-30 | 2015-09-30 | Integrated spiral channel aluminium alloy electric casing lost-foam casting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528411A (en) * | 2017-09-01 | 2017-12-29 | 智车优行科技（上海）有限公司 | Water-cooling motor cabinet, core and the method for manufacturing water-cooling motor cabinet |
-
2015
- 2015-09-30 CN CN201510638662.6A patent/CN106552903A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107528411A (en) * | 2017-09-01 | 2017-12-29 | 智车优行科技（上海）有限公司 | Water-cooling motor cabinet, core and the method for manufacturing water-cooling motor cabinet |
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Application publication date: 20170405 |
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