CN106424585B - A kind of cooling system of cast aluminium alloy gold knuckle mold - Google Patents
A kind of cooling system of cast aluminium alloy gold knuckle mold Download PDFInfo
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- CN106424585B CN106424585B CN201610940068.7A CN201610940068A CN106424585B CN 106424585 B CN106424585 B CN 106424585B CN 201610940068 A CN201610940068 A CN 201610940068A CN 106424585 B CN106424585 B CN 106424585B
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/02—Pressure casting making use of mechanical pressure devices, e.g. cast-forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of cooling systems of cast aluminium alloy gold knuckle mold, the especially cooling system of MacPherson type suspension aluminium alloy knuckle casting mould.The cooling system includes die ontology, die cavity is provided in the die ontology, it is corresponded in the die ontology and is provided with damper position face cooling bath at the position of damper position chamber, it is corresponded in the die ontology and is provided with rod section site cooling chamber at the position of pull rod position chamber, it is corresponded in the die ontology and is provided with Triangular Arm bit line cooling bath at the position of Triangular Arm position chamber, corresponded in the die ontology and be provided with clamp position point cooling bath at the position of clamp position chamber.Knuckle biggish for wall thickness variation, the cooling system can realize the consecutive solidification of knuckle casting, shrink defects avoided to be formed, reinforce the cooling to each mounting hole position of casting, improve mold thermal balance, reduce die deformation, improves the mechanical property and production efficiency of casting.
Description
Technical field
The present invention relates to casting mould technical fields, refer specifically to a kind of cooling system of cast aluminium alloy gold knuckle mold,
The especially cooling system of MacPherson type suspension aluminium alloy knuckle casting mould.
Background technique
MacPherson type independent suspension has many advantages, such as that structure is simple, light, fast response time, thus becomes application at present most
Extensive automobile front suspension system.Knuckle is as safety knot component extremely important in such suspension, in steering, promptly
The impact of a variety of fatigue load effects and accident is born when braking, break away, crossing uneven road surface.Therefore, must have
Excellent comprehensive performance, to guarantee automobile and driving safety.
The knuckle of early stage is mostly to use integral forging and forming, but finished forged product rate is low, high production cost；It is multiple for shape
Miscellaneous knuckle then uses welded type and bolt connecting type.To solve the above problem and deficiency that forging method produces knuckle,
It is widely applied using the method for Unitary ductile iron forming knuckle, such an approach achieves knuckle parts one
Body is melted into shape, and production process is few, is the main method of various spindle formings at present.
However, knuckle part is faced with upgrading as the requirement to automotive light weight technology, reduction fuel consumption is continuously improved
The urgent need of the replacement is just gradually intended to the direction " with aluminium for iron " and develops.Currently, grinding about cast aluminium alloy gold knuckle
Hair mainly uses extrusion casint, three kinds of counter-pressure casting, low pressure casting forming technologies.In casting process, mould structure is shadow
The principal element for ringing casting solidification behavior, yield rate and production efficiency determines the solidified structure and mechanical property, Yi Jizhu of casting
Make the formation etc. of defect, especially cooling system.Therefore, how to optimize the design of cooling system to avoid causing solidification shrinkage to lack
The cooling velocity fall into, reduce die deformation, accelerating casting is the emphasis that cast aluminium alloy gold knuckle mould development considers.
Summary of the invention
In aluminium alloy Foundry Production, it is using the most common type of cooling of water cooling that it is cold, which to put cold and line,.However, both modes
Intensity of cooling it is limited, especially for casting heavy wall position, easily because intensity of cooling deficiency due to cause core structure coarse, in turn
Influence the performance of casting.Therefore, cold only with putting for complex-shaped, wall thickness differs biggish automotive safety structural member
It is difficult to meet the requirement of its structure property with the cold technique of line, such as MacPherson type suspension knuckle part.
For overcome the deficiencies in the prior art, the present invention is directed to the structure of MacPherson type suspension aluminium alloy knuckle
The many factors such as feature, performance requirement and casting manufacturability provide a kind of cooling of cast aluminium alloy gold knuckle mold
System.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of cooling system of cast aluminium alloy gold knuckle mold, including die ontology are provided in the die ontology
Die cavity, wherein the die cavity includes the damper position chamber at corresponding shock absorber mounting hole position, corresponding cross-tie ball pin peace
Fill the pull rod position chamber at hole position, the Triangular Arm position chamber at corresponding Triangular Arm ball pin mounting hole position, corresponding brake caliper ball pin
The clamp position chamber at mounting hole position.It is corresponded in the die ontology and is provided with damper position at the position of damper position chamber
Face cooling bath corresponds to and is provided with rod section site cooling chamber at the position of pull rod position chamber, the position of corresponding Triangular Arm position chamber
Place is provided with Triangular Arm bit line cooling bath, is provided with clamp position point cooling bath at the position of corresponding clamp position chamber.Wherein
Damper position face cooling bath is planar cooling bath, and rod section site cooling chamber, clamp position point cooling bath are court
To the tubulose cooling chamber of die cavity, the Triangular Arm bit line cooling bath is the tubulose cooling chamber around Triangular Arm position chamber.
As a preference, damper position face cooling bath is the song for being distributed in damper position chamber or more two sides
Planar cooling bath.
As a preference, damper position face cooling bath with a thickness of 5~10mm, and with damper position chamber
Cavity surface distance be 20~30mm.
As a preference, the internal diameter of rod section site cooling chamber is 8~12mm, and the type with pull rod position chamber
Cavity surface distance is 12~18mm.
As a preference, the diameter of the Triangular Arm bit line cooling bath is 8~15mm, and with Triangular Arm position chamber
Cavity surface distance be 25~35mm.
As a preference, the internal diameter of the clamp position point cooling bath is 8~12mm, and the type with clamp position chamber
The distance of Cavity surface is 12~18mm.
The beneficial effects of the present invention are: being wanted for MacPherson type suspension with aluminium alloy knuckle casting technique and performance
It asks, using face is cold, line is cold, the cold water-cooling pattern combined of point during casting solidification, realizes knuckle casting consecutive solidification；
Reinforce the cooling to each mounting hole position of knuckle, so that cast structure is fine and close, to improve the mechanical property and fatigue of casting
Performance；Guarantee mold thermal balance, reduce die deformation, is conducive to the stability for improving Foundry Production；Accelerate casting heavy wall position
Cooling velocity, improve production efficiency.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the side view of MacPherson type suspension knuckle.
Fig. 2 is the top view of MacPherson type suspension knuckle.
Fig. 3 is mold structure diagram of the invention.
Fig. 4 be the present invention using low pressure casting aluminum alloy knuckle when mold cooling system schematic layout pattern.
Fig. 5 be the present invention using extrusion casint aluminium alloy knuckle when mold cooling system schematic layout pattern.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The present invention is further elaborated.For the thorough explanation present invention, some certain details can be related in following description
Section.And in these no specific details, the present invention then can may be realized still, i.e., the technical staff in fields is using herein
These descriptions and the others skilled in the art that state into fields effectively introduce their work essence.
In addition, it should be noted that, word " front side " used in the following description, " rear side ", " left side ", " right side ", " on
Side ", " downside " etc. refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center, related technical personnel should not be construed as the application in the adjustment for making simply, not needing creativeness to above-mentioned direction
Technology other than protection scope.It should be appreciated that specific embodiment described herein is only used to explain the application, it is not used to
Limit real protection scope.
Embodiment 1
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, a kind of cooling system of cast aluminium alloy gold knuckle mold, including mold sheet
Body 1 is provided with die cavity 2 in the die ontology 1, wherein the die cavity 2 includes subtracting for corresponding shock absorber mounting hole position 31
Shake device position chamber 21, the pull rod position chamber 22 at corresponding cross-tie ball pin mounting hole position 32, corresponding Triangular Arm ball pin mounting hole
The Triangular Arm position chamber 23 at position 33, the clamp position chamber 24 for corresponding to brake caliper ball pin mounting hole position 34.The mold sheet
It is corresponded in body 1 and is provided with damper position face cooling bath 41 at the position of damper position chamber 21, it is corresponding in the die ontology 1
It is provided with rod section site cooling chamber 42 at the position of pull rod position chamber 22, Triangular Arm position chamber is corresponded in the die ontology 1
Triangular Arm bit line cooling bath 43 is provided at 23 position, at the position that clamp position chamber 24 is corresponded in the die ontology 1
It is provided with clamp position point cooling bath 44.Wherein damper position face cooling bath 41 is planar cooling bath, i.e. damper portion
Plane cooling bath 41 realizes cooling by the biggish planar cooling duct of a contact area to damper position chamber 21.It is described
Rod section site cooling chamber 42, clamp position point cooling bath 44 are the tubulose cooling chamber towards die cavity 2, that is, pass through a contact surface
Relatively small dotted cooling duct is accumulated to cool down to pull rod position chamber 22, clamp position chamber 24.The Triangular Arm position
Line cooling bath 43 is the tubulose cooling chamber around Triangular Arm position chamber 23, i.e., by a linear elongated cooling duct come to three
Angle arm position chamber 23 is cooling.
It, should during being on active service since shock absorber mounting hole position 31 is in the front end of aluminum liquid filling type and wall thickness is relatively large
Region is main stress area, and structure property requirement is high, thus cooling by damper position face cooling bath 41, that is, be adopted
With the cold mode in the stronger face of cooling effect；32 wall thickness of cross-tie ball pin mounting hole position are relatively small, using rod section site
The cold mode of the point of cooling chamber 42 is cooling；Triangular Arm ball pin mounting hole position 33 is also main stress area, but its structure is opposite
Complexity, while considering casting manufacturability, the cooling in the region uses the cold mode of line of Triangular Arm bit line cooling bath 43；Braking clamp
Ball pin mounting hole position 34 is clamped using the cold mode of point of clamp position point cooling bath 44.
In actual work, above-mentioned tubulose cooling chamber, planar cooling bath are substantially still coolant flow channel, therefore real
Now the die cavity 2 of die ontology 1 is cooled down, it is necessary to save a certain distance with die cavity 2 and cannot be connected to die cavity 2.Make
For preference, in order to guarantee cooling effect, damper position face cooling bath 41 with a thickness of 5~10mm, and and damper
The cavity surface distance of position chamber 21 is 20~30mm.Damper position face cooling bath 41 is to be distributed in damper position chamber 21
The curved cooling bath of upper and lower two sides.The internal diameter of rod section site cooling chamber 42 be 8~12mm, and with pull rod position chamber 22
Cavity surface distance be 12~18mm, and be distributed in the two sides up and down of pull rod position chamber 22.The Triangular Arm bit line cooling bath
43 diameter is 8~15mm, and is 25~35mm at a distance from the cavity surface of Triangular Arm position chamber 23.The clamp position point is cold
But the internal diameter of slot 44 is 8~12mm, is located at 24 upside of clamp position chamber, and be 12 at a distance from the cavity surface of clamp position chamber 24
~18mm.
Embodiment 2
Referring to Fig.1, Fig. 2, Fig. 4, Fig. 5, a kind of cooling system of cast aluminium alloy gold knuckle mold, wherein referred to herein
" embodiment " refers to a particular feature, structure, or characteristic that may be included at least one implementation of the application.In this specification
" in the embodiment " that middle different places occur not refers both to the same embodiment, nor individual or selective with other realities
Apply the mutually exclusive embodiment of example.Embodiment is specific to low pressure casting aluminum alloy knuckle mold, including die ontology 1, institute
It states and is provided with die cavity 2 in die ontology 1, wherein the die cavity 2 includes the damper portion at corresponding shock absorber mounting hole position 31
Position chamber 21, the pull rod position chamber 22 at corresponding cross-tie ball pin mounting hole position 32, corresponding Triangular Arm ball pin mounting hole position 33
Triangular Arm position chamber 23, corresponding brake caliper ball pin mounting hole position 34 clamp position chamber 24.It is right in the die ontology 1
It answers and is provided with damper position face cooling bath 41 at the position of damper position chamber 21, damper position face cooling bath 41 is thick
Degree is 8mm and is 28mm with the cavity surface distance of damper position chamber 21.Pull rod position chamber 22 is corresponded in the die ontology 1
Be provided with rod section site cooling chamber 42 at position, the internal diameter of rod section site cooling chamber 42 be 11mm and with pull rod position
The cavity surface distance of chamber 22 is 16mm, corresponds in the die ontology 1 and is provided with Triangular Arm at the position of Triangular Arm position chamber 23
Bit line cooling bath 43, the diameter of the Triangular Arm bit line cooling bath 43 are 13mm, and the type chamber with Triangular Arm position chamber 23
The distance in face is 33mm.It is corresponded in the die ontology 1 and is provided with clamp position point cooling bath at the position of clamp position chamber 24
44, the internal diameter of the clamp position point cooling bath 44 is 11mm, is located at 24 upside of clamp position chamber, and with clamp position chamber 24
The distance of cavity surface is 17mm.Wherein damper position face cooling bath 41 is planar cooling bath, and the rod section site is cold
But chamber 42, clamp position point cooling bath 44 are the tubulose cooling chamber towards die cavity 2, and the Triangular Arm bit line cooling bath 43 is to enclose
Around the tubulose cooling chamber of Triangular Arm position chamber 23.The die cavity 2 further includes having corresponding hub-bearing unit mounting hole position 35
Hub bearing position chamber 25 corresponds in the die ontology 1 and is provided with hub spindle bearing portion at the position of hub bearing position chamber 25
Bit line cooling bath 45, the hub bearing bit line cooling bath 45 are tubulose cooling chamber.
In the present embodiment, aluminium alloy knuckle is prepared using low-pressure casting process, mainly includes following processing step:
1) prepared by melting: aluminium alloy ingots is put into melting furnace and carries out melting, molten aluminum is refined after fusing, is gone bad,
Molten aluminum is then transferred in holding furnace by degassing processing, is waited to be cast；
2) low pressure fills type: preheated mold, molding, low pressure fill type；
3) pressure maintaining solidifies: after filling type, it is cold using face, line is cold, the point cold type of cooling combined mold is carried out it is cold
But, guarantee that casting completes consecutive solidification under the conditions of stronger cooling velocity；Subsequent release, casting natural cooling wait die sinking；
4) it is opened pickup: after casting solidification, being opened pickup.
In the step 1, aluminium alloy knuckle is a safety knot component applied to MacPherson type suspension, is changed
Study point (mass percent, similarly hereinafter) be Si6.85%, Mg0.336%, Cu0.0004%, Fe0.1%, Mn0.0005%,
Zn0.018%, Ti0.168%, Sr0.017%, surplus Al.
In the step 2, the preheating temperature of mold is 280-320 DEG C, and the equilibrium temperature after production is stablized is 270-350
℃。
In the step 3, the cooling medium is industrial pure water, cold using face, line is cold, the cold water cooling side combined of point
Formula cools down each mounting hole position of casting.In the step 4, the property of prepared low pressure casting aluminum alloy knuckle casting
Can be excellent, tensile strength, yield strength, elongation respectively reach 300MPa, 235MPa, 8%.
Embodiment 3
Referring to Fig.1, Fig. 2, Fig. 4, Fig. 5, a kind of cooling system of cast aluminium alloy gold knuckle mold are cast specific to squeezing
Aluminium alloy knuckle mold, including die ontology 1 are made, is provided with die cavity 2 in the die ontology 1, wherein the die cavity 2 includes
There are the damper position chamber 21 at corresponding shock absorber mounting hole position 31, the rod section at corresponding cross-tie ball pin mounting hole position 32
Position chamber 22, the Triangular Arm position chamber 23 at corresponding Triangular Arm ball pin mounting hole position 33, corresponding brake caliper ball pin mounting hole position
34 clamp position chamber 24 corresponds in the die ontology 1 and is provided with damper position face at the position of damper position chamber 21
Cooling bath 41, damper position face cooling bath 41 with a thickness of 5mm, and with the cavity surface distance of damper position chamber 21 be
20mm.It is corresponded in the die ontology 1 and is provided with rod section site cooling chamber 42, the pull rod at the position of pull rod position chamber 22
The internal diameter of position point cooling chamber 42 is 8mm, and is 12mm with the cavity surface of pull rod position chamber 22 distance.In the die ontology 1
Triangular Arm bit line cooling bath 43, the Triangular Arm bit line cooling bath 43 are provided at the position of corresponding Triangular Arm position chamber 23
Diameter be 8mm, and at a distance from the cavity surface of Triangular Arm position chamber 23 be 25mm.Clamp portion is corresponded in the die ontology 1
Clamp position point cooling bath 44 is provided at the position of position chamber 24, the internal diameter of the clamp position point cooling bath 44 is 8mm, is located at
24 upside of clamp position chamber, and be 12mm at a distance from the cavity surface of clamp position chamber 24.Wherein damper position face is cold
But slot 41 is planar cooling bath, and rod section site cooling chamber 42, clamp position point cooling bath 44 are the tubulose towards die cavity 2
Cooling chamber, the Triangular Arm bit line cooling bath 43 are the tubulose cooling chamber around Triangular Arm position chamber 23.
In the present embodiment, aluminium alloy knuckle is prepared using Extrution casting technique, mainly includes following processing step:
1) prepared by melting: aluminium alloy ingots is put into melting furnace and carries out melting, molten aluminum is refined after fusing, is gone bad,
Degassing processing waits to be cast；
2) low speed fills type: preheated mold, molding, low speed fill type；
3) pressurization solidification: after filling type, operation cooling system cools down mold, guarantees casting in strong cooling velocity
It is solidified with completion under conditions of high pressure, to obtain the aluminium alloy knuckle casting of dense structure and function admirable；Subsequent release,
Casting natural cooling waits die sinking；
4) it is opened pickup: after casting solidification, being opened pickup.
In the step 1, aluminium alloy knuckle is a safety knot component applied to MacPherson type suspension, is changed
Study point (mass percent, similarly hereinafter) be Si6.85%, Mg0.336%, Cu0.0004%, Fe0.1%, Mn0.0005%,
Zn0.018%, Ti0.168%, Sr0.017%, surplus Al.
In the step 2, the preheating temperature of mold is 180-220 DEG C, and the equilibrium temperature after production is stablized is 200-250
℃。
In the step 3, the cooling medium is industrial pure water.It is cold using face, line is cold, the cold water cooling side combined of point
Formula cools down each mounting hole position of casting.
In the step 4, the function admirable of prepared extrusion casint aluminium alloy knuckle casting, tensile strength is bent
Take intensity, elongation respectively reaches 320MPa, 240MPa, 10%.
According to above-mentioned principle, the present invention can also be made appropriate changes and modifications to the above embodiments.Therefore, this hair
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the invention should also be as to fall into this
In the scope of protection of the claims of invention.
It is cold face to face, line is cold, the cold work of point during casting solidification by it was verified that using above-mentioned die cooling structure
When the parameter settings such as skill are in OK range, on the basis of guaranteeing casting consecutive solidification, each mounting hole position of knuckle is realized
Molten aluminum completed under strong cool condition solidification, casting cooling velocity accelerate, be conducive to improve casting mechanical property and fatigability
Can, to prepare high performance MacPherson type suspension aluminium alloy knuckle.
Claims (6)
1. a kind of cooling system of cast aluminium alloy gold knuckle mold, including die ontology (1), the die ontology (1) is interior to be set
Be equipped with die cavity (2), wherein the die cavity (2) include corresponding shock absorber mounting hole position (31) damper position chamber (21),
The pull rod position chamber (22) of corresponding cross-tie ball pin mounting hole position (32) corresponds to Triangular Arm ball pin mounting hole position (33)
Triangular Arm position chamber (23), the clamp position chamber (24) for corresponding to brake caliper ball pin mounting hole position (34), it is characterised in that: institute
It states and is provided with damper position face cooling bath (41) at the position for corresponding to damper position chamber (21) in die ontology (1), it is corresponding
Rod section site cooling chamber (42) is provided at the position of pull rod position chamber (22), at the position for corresponding to Triangular Arm position chamber (23)
It is provided with Triangular Arm bit line cooling bath (43), is provided with clamp position point cooling bath at the position of corresponding clamp position chamber (24)
(44), wherein damper position face cooling bath (41) is planar cooling bath, rod section site cooling chamber (42), clamp
Position point cooling bath (44) is the tubulose cooling chamber towards die cavity (2), and the Triangular Arm bit line cooling bath (43) is around three
The tubulose cooling chamber of angle arm position chamber (23).
2. a kind of cooling system of cast aluminium alloy gold knuckle mold according to claim 1, it is characterised in that: described to subtract
Shake device position face cooling bath (41) is the curved cooling bath for being distributed in damper position chamber (21) two sides up and down.
3. a kind of cooling system of cast aluminium alloy gold knuckle mold according to claim 1, it is characterised in that: described to subtract
Shake device position face cooling bath (41) with a thickness of 5~10mm, and with the cavity surface of damper position chamber (21) distance for 20~
30mm。
4. a kind of cooling system of cast aluminium alloy gold knuckle mold according to claim 1, it is characterised in that: the drawing
The internal diameter of bar portion site cooling chamber (42) is 8~12mm, and is 12~18mm with the cavity surface of pull rod position chamber (22) distance.
5. a kind of cooling system of cast aluminium alloy gold knuckle mold according to claim 1, it is characterised in that: described three
The diameter of angle arm bit line cooling bath (43) is 8~15mm, and at a distance from the cavity surface of Triangular Arm position chamber (23) for 25~
35mm。
6. a kind of cooling system of cast aluminium alloy gold knuckle mold according to claim 1, it is characterised in that: the card
The internal diameter for clamping position point cooling bath (44) is 8~12mm, and is 12~18mm at a distance from the cavity surface of clamp position chamber (24).
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| CN201610940068.7A CN106424585B (en) | 2016-11-01 | 2016-11-01 | A kind of cooling system of cast aluminium alloy gold knuckle mold |
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| CN201610940068.7A CN106424585B (en) | 2016-11-01 | 2016-11-01 | A kind of cooling system of cast aluminium alloy gold knuckle mold |
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| CN205519513U (en) * | 2016-01-22 | 2016-08-31 | 福州六和机械有限公司 | Improve knuckle microstructure's special mould |
| CN206382511U (en) * | 2016-11-01 | 2017-08-08 | 佛山市南海奔达模具有限公司 | A kind of cooling system of cast aluminium alloy gold knuckle mould |
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| JPS59107026A (en) * | 1982-12-10 | 1984-06-21 | Mazda Motor Corp | Heat treatment of ferrous parts |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837442A (en) * | 2010-02-04 | 2010-09-22 | 保定市立中车轮制造有限公司 | Low pressure casting wheel cooling technology |
| CN102430719A (en) * | 2011-12-21 | 2012-05-02 | 佛山市南海奔达模具有限公司 | Lateral mould structure of low-pressure hub mould |
| CN102699312A (en) * | 2012-07-12 | 2012-10-03 | 上海嘉朗实业有限公司 | Low-pressure casting process and mould for aluminium alloy steering knuckle |
| CN105436413A (en) * | 2015-11-27 | 2016-03-30 | 洛阳古城机械有限公司 | Automobile steering knuckle transversely-placing casting technology |
| CN205519513U (en) * | 2016-01-22 | 2016-08-31 | 福州六和机械有限公司 | Improve knuckle microstructure's special mould |
| CN206382511U (en) * | 2016-11-01 | 2017-08-08 | 佛山市南海奔达模具有限公司 | A kind of cooling system of cast aluminium alloy gold knuckle mould |
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