CN109093074A - Vehicle compressor cabinet and its homogeneous material manufacturing process - Google Patents
Vehicle compressor cabinet and its homogeneous material manufacturing process Download PDFInfo
- Publication number
- CN109093074A CN109093074A CN201811228665.2A CN201811228665A CN109093074A CN 109093074 A CN109093074 A CN 109093074A CN 201811228665 A CN201811228665 A CN 201811228665A CN 109093074 A CN109093074 A CN 109093074A
- Authority
- CN
- China
- Prior art keywords
- gear housing
- vehicle compressor
- compressor cabinet
- cross gate
- cabinet according
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/086—Filters
-
- 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
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
The invention discloses vehicle compressor cabinet and its homogeneous material manufacturing process, including gear housing, cross gate and sprue, box opening on the right side of the gear housing is equipped with riser, cross gate is installed with one voice by interior on the side outer wall of the gear housing, one end of the cross gate is equipped with filter.The present invention reduces the addition of alloy and the undercooled graphite that generates.CE value reduces C:15-3.25%, Si2.0-2.1 Mn:0.8-0.9, more effective intensive inoculation effect, degree of supercooling is reduced, makes material more evenly, improves processing performance, CE value is stablized between 3.95-4.00, increase current-following inoculation, to refine crystal grain, improves Graphite Distribution, stabilizing tissue reduces section sensitivity.
Description
Technical field
The invention belongs to vehicle compressor cabinet manufacturing process technology fields, and in particular to vehicle compressor cabinet and its
Even material fabrication process.
Background technique
The components of automotive interior and cabinet are numerous, and the manufacturing process of cabinet directly influences whether the stabilization in automobilism
Property and failure rate.
The manufacture wall unevenness of automobile air compressor gear housing is between 4.5-30mm.Casting weight 7-18Kg.Structure is multiple
Miscellaneous, customer requirement is stringent.It is cracked after being shaken at thin-walled by processing, the thick big coarse casting hardness difference of position graphite is in 40-
50HB.Since flatness is exceeded after the uneven cabinet cylinder head processing of castings material, and manufacturing process is using open casting
System.Riser is placed on the thick big position of cylinder head, 1420 DEG C of -1350 DEG C of casting techniques of pouring temperature, and casting window is cleared up in blank and transported
Defeated process and process are cracked by concussion, hardness HB240-250.The thick big position graphite of cylinder head is coarse, hardness
HB180-200 causes rejection rate 15% or more.
Summary of the invention
The purpose of the present invention is to provide vehicle compressor cabinet and its homogeneous material manufacturing process, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: vehicle compressor cabinet and its homogeneous material manufacture
Technique, including gear housing, cross gate and sprue, the box opening on the right side of the gear housing is equipped with riser, described
Cross gate is installed with one voice by interior on the side outer wall of gear housing, one end of the cross gate is equipped with filter.
Preferably, the cross gate is linearly curved line.
Preferably, it is provided with 4 with one voice in described, and interior is arranged parallel to each other with one voice.
Preferably, the whole wall thickness of the gear housing is different, and the distal end thin-walled wall thickness of gear housing is 4.5mm, separately
The thick big wall thickness of the cylinder head of side is 30mm.
Preferably, the ingate is not placed at thermal center, and Design of Runner System uses unchoked running system, cast gate
Ratio A is straight: ∑ A is horizontal: in ∑ A=1:1.2:1.5 in one voice position be arranged at thin-walled.
Preferably, the inside of the filter is in silicon carbide honeycomb.
Preferably, the manufacture of the gear housing reduces Cu；Sn；The addition of Cr alloy and the undercooled graphite generated, CE value
It reduces, wherein C:15-3.25%, Si:2.0-2.1%, Mn:0.8-0.9%, and CE value is stablized between 3.95-4.00%.
Preferably, be less than 30HB with thick big position difference of hardness at the gear housing thin-walled, and at thin-walled undercooled graphite by
Originally 20% is down within 10%, and cylinder head and thick big position graphite reduce control at 4-5 grades.
Compared with prior art, the beneficial effects of the present invention are:
1. the technique reduces the addition of alloy and the undercooled graphite that generates.CE value reduces C:15-3.25%Si:2.0-
The more effective intensive inoculation effect of 2.1Mn:0.8-0.9 reduces degree of supercooling, makes material more evenly, improves processing performance.CE value is steady
It is scheduled between 3.95-4.00, increases current-following inoculation, to refine crystal grain, improve Graphite Distribution, it is sensitive to reduce fracture for stabilizing tissue
Property.
2. undercooled graphite is down within 10% by original 20% at the cabinet thin-walled of technique production, crackle is obtained after processing
Improve, since balanced realization up time solidification, cylinder head and the thick big position graphite in temperature field reduce control at 4-5 grades, uses
Product rate improves 15%, and it was not in that graphite is coarse that adjusting according to this technique to other model casting, which improves, processes crackle, cylinder
The undesirable situation of head position feedback flatness.
3. feeding molten iron is provided in casting liquid contraction, it is anti-using silicon carbide honeycomb filter by increasing filter
The only formation of distal end cylinder head position slag inclusion.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1, gear housing；2, riser；3, cross gate；4, it is interior with one voice；5, filter；6, sprue.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, carries out to the technical solution in inventive embodiments clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: vehicle compressor cabinet and its homogeneous material manufacturing process,
Including gear housing 1, cross gate 3 and sprue 6, the box opening on 1 right side of gear housing is equipped with riser 2, gear housing 1
Side outer wall on by interior 4 cross gate 3 is installed with one voice, one end of cross gate 3 is equipped with filter 5, passes through and increases filtering
Device 5 prevents the formation of distal end cylinder head position slag inclusion using silicon carbide honeycomb filter 5.
Cross gate 3 linearly be curved line, inside 4 be provided with 4 with one voice, and it is interior 4 be arranged parallel to each other with one voice, gear housing
1 whole wall thickness is different, and the distal end thin-walled wall thickness of gear housing 1 is 4.5mm, and the thick big wall thickness of the cylinder head of the other side is 30mm,
Ingate 4 is not placed at thermal center, and Design of Runner System uses unchoked running system, and cast gate ratio A is straight: ∑ A is horizontal: ∑ A
Position is arranged at thin-walled with one voice in interior=1:1.2:1.5, and the inside of filter 5 is in silicon carbide honeycomb, the system of gear housing 1
The undercooled graphite making the addition of reduction alloy and generating, CE value reduce, wherein C:15-3.25%, Si:2.0-2.1%, Mn:
0.8-0.9%, and CE value is stablized between 3.95-4.00%, and current-following inoculation is increased, and to refine crystal grain, improves Graphite Distribution, surely
Determine tissue, reduce section sensitivity, is less than 30HB with thick big position difference of hardness at 1 thin-walled of gear housing, and stone is subcooled at thin-walled
Ink is down within 10% by original 20%, and cylinder head and thick big position graphite reduce control at 4-5 grades, according to this technique to other
The adjustment of model casting improves, and it is coarse graphite do not occurred, processes crackle, and the undesirable feelings of flatness are fed back at cylinder head position
Condition.
The working principle of the invention and process for using: filter 5 prevents distal end cylinder head using silicon carbide honeycomb filter 5
The formation of position slag inclusion reduces the addition of alloy when production and the undercooled graphite that generates, and CE value reduces, wherein C:15-3.25%,
Si:2.0-2.1%, Mn:0.8-0.9%, and CE value is stablized between 3.95-4.00%, increases current-following inoculation, to refine crystalline substance
Grain improves Graphite Distribution, and stabilizing tissue reduces section sensitivity, controls small with thick big position difference of hardness at 1 thin-walled of gear housing
It in 30HB, and controls undercooled graphite at thin-walled and is down within 10% by original 20%, and cylinder head and thick big position graphite reduce control
System is at 4-5 grades.
It 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 variations, modification, replacement can be carried out to these embodiments 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 (8)
1. vehicle compressor cabinet, including gear housing (1), cross gate (3) and sprue (6), it is characterised in that: the gear
Box opening on the right side of cabinet (1) is equipped with riser (2), on the side outer wall of the gear housing (1) in one voice (4)
It is equipped with cross gate (3), one end of the cross gate (3) is equipped with filter (5).
2. vehicle compressor cabinet according to claim 1, it is characterised in that: the cross gate (3) is linearly curve
Item.
3. vehicle compressor cabinet according to claim 1, it is characterised in that: (4) are provided with 4 with one voice in described, and
Inside (4) are arranged parallel to each other with one voice.
4. vehicle compressor cabinet according to claim 1, it is characterised in that: the whole wall thickness of the gear housing (1)
Difference, and the distal end thin-walled wall thickness of gear housing (1) is 4.5mm, the thick big wall thickness of the cylinder head of the other side is 30mm.
5. vehicle compressor cabinet according to claim 1, it is characterised in that: the ingate (4) is not placed in thermal center
Place, and Design of Runner System uses unchoked running system, cast gate ratio A is straight: ∑ A is horizontal: in ∑ A=1:1.2:1.5 in one voice
Position is arranged at thin-walled.
6. vehicle compressor cabinet according to claim 1, it is characterised in that: the inside of the filter (5) is in carbonization
Silicon honeycomb.
7. vehicle compressor cabinet according to claim 1, it is characterised in that: the manufacture of the gear housing (1) is reduced
The addition of alloy and the undercooled graphite generated, CE value reduce, wherein C:15-3.25%, Si:2.0-2.1%, Mn:0.8-
0.9%, and CE value is stablized between 3.95-4.00%.
8. vehicle compressor cabinet according to claim 1, it is characterised in that: at gear housing (1) thin-walled and thick
Big position difference of hardness is less than 30HB, and undercooled graphite is down within 10% by original 20% at thin-walled, and cylinder head and thick big position
Graphite reduces control at 4-5 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228665.2A CN109093074A (en) | 2018-10-22 | 2018-10-22 | Vehicle compressor cabinet and its homogeneous material manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811228665.2A CN109093074A (en) | 2018-10-22 | 2018-10-22 | Vehicle compressor cabinet and its homogeneous material manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109093074A true CN109093074A (en) | 2018-12-28 |
Family
ID=64869025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811228665.2A Pending CN109093074A (en) | 2018-10-22 | 2018-10-22 | Vehicle compressor cabinet and its homogeneous material manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109093074A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477888A (en) * | 2021-06-24 | 2021-10-08 | 襄阳五二五泵业有限公司 | Gating system for sand casting |
| CN114054684A (en) * | 2021-10-28 | 2022-02-18 | 共享铸钢有限公司 | Casting method of compressor shell |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430714A (en) * | 2011-11-30 | 2012-05-02 | 天津一机机械有限公司 | Process for casting thick and large nodular cast iron valve plate |
| CN102909348A (en) * | 2012-10-26 | 2013-02-06 | 上海华新合金有限公司 | Process for casting gearbox body of centrifugal compressor |
| CN103480804A (en) * | 2013-09-28 | 2014-01-01 | 中国船舶重工集团公司第十二研究所 | Method for casting air cylinder cover of diesel engine for chiller-free ship |
| CN104889332A (en) * | 2015-05-29 | 2015-09-09 | 共享铸钢有限公司 | Pouring system of upper crown steel casting piece of thin-wall conical water turbine |
| CN108531803A (en) * | 2018-05-18 | 2018-09-14 | 中信重工机械股份有限公司 | A kind of casting method of spheroidal graphite cast-iron valve body |
| CN108642329A (en) * | 2018-05-25 | 2018-10-12 | 成都航空职业技术学院 | A kind of train gear-box and preparation method thereof |
-
2018
- 2018-10-22 CN CN201811228665.2A patent/CN109093074A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430714A (en) * | 2011-11-30 | 2012-05-02 | 天津一机机械有限公司 | Process for casting thick and large nodular cast iron valve plate |
| CN102909348A (en) * | 2012-10-26 | 2013-02-06 | 上海华新合金有限公司 | Process for casting gearbox body of centrifugal compressor |
| CN103480804A (en) * | 2013-09-28 | 2014-01-01 | 中国船舶重工集团公司第十二研究所 | Method for casting air cylinder cover of diesel engine for chiller-free ship |
| CN104889332A (en) * | 2015-05-29 | 2015-09-09 | 共享铸钢有限公司 | Pouring system of upper crown steel casting piece of thin-wall conical water turbine |
| CN108531803A (en) * | 2018-05-18 | 2018-09-14 | 中信重工机械股份有限公司 | A kind of casting method of spheroidal graphite cast-iron valve body |
| CN108642329A (en) * | 2018-05-25 | 2018-10-12 | 成都航空职业技术学院 | A kind of train gear-box and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477888A (en) * | 2021-06-24 | 2021-10-08 | 襄阳五二五泵业有限公司 | Gating system for sand casting |
| CN114054684A (en) * | 2021-10-28 | 2022-02-18 | 共享铸钢有限公司 | Casting method of compressor shell |
| CN114054684B (en) * | 2021-10-28 | 2023-06-13 | 共享铸钢有限公司 | Casting method of compressor shell |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181228 |
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| RJ01 | Rejection of invention patent application after publication |