CN107876919A - The manufacture method and piston of piston - Google Patents
The manufacture method and piston of piston Download PDFInfo
- Publication number
- CN107876919A CN107876919A CN201711096401.1A CN201711096401A CN107876919A CN 107876919 A CN107876919 A CN 107876919A CN 201711096401 A CN201711096401 A CN 201711096401A CN 107876919 A CN107876919 A CN 107876919A
- Authority
- CN
- China
- Prior art keywords
- head
- skirt section
- piston
- oil duct
- cooling oil
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 69
- 229910000679 solder Inorganic materials 0.000 claims abstract description 30
- 238000003466 welding Methods 0.000 claims abstract description 30
- 238000005219 brazing Methods 0.000 claims abstract description 7
- 238000005476 soldering Methods 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 208000020442 loss of weight Diseases 0.000 claims description 9
- 238000002791 soaking Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000002826 coolant Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005242 forging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/26—Pistons having combustion chamber in piston head
Abstract
The invention discloses a kind of manufacture method of piston and piston, the manufacture method of piston comprises the following steps：S1, separately fabricated piston head and skirt section, the upper surface that the lower surface on head is fabricated to plane skirt section is fabricated to plane, the lower surface on head and the upper surface in skirt section are machined with sub- cooling oil duct and pin-and-hole, and the lower surface on head is also machined with solder arrangement of grooves in the annular inboard of sub- cooling oil duct and outside；S2, solder is filled to the solder arrangement of grooves on head under atmospheric environment；S3, head are under, and skirt section is upper, and for detent fit in the pin-and-hole on head and the pin-and-hole in skirt section, overturning head and skirt section makes head upper；S4, piston is put into vacuum brazing furnace progress soldering.Thus, coordinated by step S1, S2, S3 and S4, it is possible to increase welding quality, can also ensure good cooling effect, so as to effectively solve the processing of cooling oil duct and formation problems.
Description
Technical field
The present invention relates to piston technical field, the manufacture method of more particularly to a kind of piston and the manufacturer with the piston
The piston of method manufacture.
Background technology
In order to realize that forging steel piston head quickly cools down, reduces piston crown temperature, inner cooling path should rationally design and cloth
Office.Interior oil cooling passage processing technology that steel forging makes piston is poor, difficulty is big, and efficiency is low and cost is high, around the shaping of interior oil cooling passage
Problem, a variety of methods are employed both at home and abroad, the side of internal combustion engine one-piece piston is manufactured as disclosed in Chinese patent CN1813125
Method, the disclosed methods for being used for the non-movable ring segment on piston for IC engine of Chinese patent CN101903632, Chinese patent
Internal combustion engine disclosed in CN101466938 and its manufacture method, one kind disclosed in Chinese patent CN106150749 are based on laser
The steel pistons and its processing method of cooling oil duct in welding fabrication.
In correlation technique, due to being limited to processing technology, current maximally effective interior oil cooling passage forming method is to pass through rotation
Friction welding or laser welding shaping.Spin friction welding can efficiently solve interior oil cooling passage processing and formation problems, but revolve
Turn friction welding (FW) and can form overlap to remain in inside inner cooling path, have impact on cooling effect and performance, increase piston weight, sternly
It can cause defect ware during weight.During the typical forging steel pistons such as laser welding 38MnVS6 or 42CrMo, cold and hot crack problem be present.Cause
This, is further improved for the manufacture method of current forging steel piston.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention proposes a kind of live
The manufacture method of plug, the manufacture method of the piston can improve welding quality, can also ensure good cooling effect.
The present invention further proposes a kind of piston.
Comprised the following steps according to the manufacture method of the piston of the present invention：S1, separately fabricated piston head and skirt section, institute
The lower surface for stating head is fabricated to plane, and the upper surface in the skirt section is fabricated to plane, the lower surface on the head and the skirt
The upper surface in portion is machined with sub- cooling oil duct and pin-and-hole, and the lower surface on the head is also in the annular of the sub- cooling oil duct
Side and outside are machined with solder arrangement of grooves；S2, solder is filled to the solder arrangement of grooves on the head under atmospheric environment；S3、
The head is under, and upper, detent fit overturns institute in the pin-and-hole on the head and the pin-and-hole in the skirt section in the skirt section
Stating head and the skirt section makes the head upper；S4, the piston is put into vacuum brazing furnace progress soldering.
According to the manufacture method of the piston of the present invention, coordinated by step S1, S2, S3 and S4, it is possible to increase welding quality,
Also good cooling effect can be ensured, so as to effectively solve the processing of cooling oil duct and formation problems.
Alternatively, in the step S1, the head also processes combuster, and the sub- cooling oil duct is processed into circular
The combustion chamber.
Further, the processing flatness of the upper surface in the lower surface on the head and the skirt section is in 0.04mm-
Between 0.06mm, the roughness of the upper surface in the lower surface on the head and the skirt section is in 1.5Ra-1.8Ra.
Specifically, the volume of the solder arrangement of grooves is 0.15~0.18 times of bonding area.
Alternatively, in the step S4, brazing temperature is 1160-1200 DEG C, soaking time 15-60 minutes.
Further, in the step S4, conducted oneself with dignity using the head and pressurizeed.
Included according to the piston of the present invention：The upper surface in head and skirt section, the lower surface on the head and the skirt section is equal
It is plane to form welding plane opposing upper and lower, the upper surface in the lower surface on the head and the skirt section is additionally provided with relatively
Sub- cooling oil duct to form cooling oil duct, the annular inboard and outside of the lower surface on the head also in the sub- cooling oil duct
It is provided with solder arrangement of grooves.
Alternatively, combuster is formed on the head, the cooling oil duct is around the combustion chamber.
Further, described piston also includes：The upper surface in alignment pin, the lower surface on the head and the skirt section is also
Pin-and-hole is provided with, the alignment pin is stretched into the pin-and-hole on the head and the pin-and-hole in the skirt section.
Specifically, two solder arrangement of grooves are identical to the distance of the cooling oil duct.
Alternatively, the upper surface in the lower surface on the head and the skirt section is also set in the annular inboard of the cooling oil duct
It is equipped with the sub- chamber of loss of weight.
Further, the processing flatness of the upper surface in the lower surface on the head and the skirt section is in 0.04mm-
Between 0.06mm, the roughness of the upper surface in the lower surface on the head and the skirt section is in 1.5Ra-1.8Ra.
Brief description of the drawings
Fig. 1 is the sectional view of piston according to embodiments of the present invention；
Fig. 2 is the sectional view after the partial enlargement of piston according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the manufacture method of piston according to embodiments of the present invention.
Reference：
Piston 10；
Head 1；Sub- cooling oil duct 11；Pin-and-hole 12；Solder arrangement of grooves 13；Combustion chamber 14；Lower surface 15；
Skirt section 2；Upper surface 21；
Alignment pin 3；The sub- chamber 4 of loss of weight.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, limit
Surely there is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".The present invention's
In description, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
The manufacture method of piston 10 according to embodiments of the present invention is described in detail below with reference to Fig. 1-Fig. 3.
As shown in Figure 1-Figure 3, manufacture method according to embodiments of the present invention comprises the following steps：S1, separately fabricated piston
10 head 1 and skirt section 2, that is to say, that head 1 and skirt section 2 are separately provided as two parts, then by head 1 and skirt section 2
It is assembled together, the lower surface 15 on head 1 is fabricated to plane, and the upper surface 21 in skirt section 2 is fabricated to plane, under such head 1
The upper surface 21 on surface 15 and skirt section 2 can contact with each other well, can preferably weld on head 1 and skirt section 2 during welding
Together, welding quality can be improved, so as to lift the assembling quality of piston 10.
In addition, the lower surface 15 on head 1 and the upper surface 21 in skirt section 2 are machined with sub- cooling oil duct 11 and pin-and-hole 12, need
It is explained that when head 1 and skirt section 2 are assembled together, sub- cooling oil duct 11 and skirt section 2 on the lower surface 15 on head 1
Upper surface 21 on sub- cooling oil duct 11 dock, a cooling oil duct can be formed, can be flowed in cooling oil duct has cooling
Medium, cooling medium are cooling oil.Cooling medium plays a part of cooling, and can play cooling effect to piston 10, and
And the pin-and-hole 12 on the lower surface 15 on head 1 can also achieve a butt joint with the pin-and-hole 12 on the upper surface 21 in skirt section 2.
Wherein, as shown in Fig. 2 the lower surface 15 on head 1 also adds in the annular inboard and annular outboard of sub- cooling oil duct 11
Work has solder arrangement of grooves 13, fills solder to the solder arrangement of grooves 13 on head 1 under atmospheric environment, and solder can be soldering
Welding provides raw material, and now head 1 is in the lower section in skirt section 2, and skirt section 2 is in the top on head 1, and alignment pin 3 coordinates on head 1
Pin-and-hole 12 and skirt section 2 pin-and-hole 12 in, so head 1 can be made to be well matched with skirt section 2 together with, afterwards turn over head
1 and skirt section 2 make head 1 upper, then piston 10 is put into vacuum brazing furnace and carries out soldering, being arranged such can by skirt section 2 under
Prevent that overlap is formed during Welding to be remained in inside cooling oil duct, it is ensured that the cooling effect and performance of piston 10,
Also cold and hot crack problem can be prevented, so as to improve welding quality, and then can effectively solve adding for cooling oil duct
Work and formation problems.
Alternatively, as shown in figure 1, in step sl, head 1 also processes combuster 14, sub- cooling oil duct 11 is processed into
Around combustion chamber 14, it is necessary to explanation, sub- cooling oil duct 11 on the lower surface 15 on head 1 with the upper surface 21 in skirt section 2
The cooling oil duct that is formed of the docking of sub- cooling oil duct 11 around combustion chamber 14, be arranged such the area that can increase cooling oil duct,
Preferably combustion chamber 14 can be cooled, so as to be further ensured that cooling effect.
Further, the processing flatness of the upper surface 21 in the lower surface 15 on head 1 and skirt section 2 is in 0.04mm-0.06mm
Between, the roughness of the lower surface 15 on head 1 and the upper surface 21 in skirt section 2 in 1.5Ra-1.8Ra, such as：The lower surface on head 1
15 and the processing flatness of upper surface 21 in skirt section 2 can be 0.05mm, the lower surface 15 on head 1 and the upper surface 21 in skirt section 2
Roughness can be 1.6Ra.During Welding, the lower surface 15 on the head 1 being arranged such and the upper surface in skirt section 2
21 can preferably weld together, and can further lift welding quality, so as to prevent the lower surface 15 on head 1 and skirt
The weld cracking of the upper surface 21 in portion 2, and then the structural strength of piston 10 can be lifted.
Specifically, the volume of solder arrangement of grooves 13 can be 0.15~0.18 times of bonding area, so can be in solder
The enough solders of filling in arrangement of grooves 13, it is ensured that there is enough solders to meet welding demand during Welding, but also
Solder can be saved, thereby may be ensured that being smoothed out for welding job.
Alternatively, brazing temperature can be 1160-1200 DEG C between, soaking time can be between 15-60 minutes, so
Setting can cause piston 10 to be in a suitable welding surroundings, may further ensure that being smoothed out for welding job,
Welding quality can be further lifted, so as to lift the quality of piston 10.
Further, in step s 4, using head 1 conduct oneself with dignity pressurize, be arranged such can save be separately provided pressurization dress
The process put, the manufacturing process of piston 10 can be simplified, so as to so that manufacture is simpler, also, exploitation can also be saved
The process of pressue device, so as to reduce manufacturing cost.
As depicted in figs. 1 and 2, piston 10 according to embodiments of the present invention includes：Head 1 and skirt section 2, the following table on head 1
The upper surface 21 in face 15 and skirt section 2 is plane, can when the lower surface 15 on head 1 and the upper surface 21 in skirt section 2 contact with each other
To form welding plane opposing upper and lower, the lower surface 15 on head 1 and the upper surface 21 in skirt section 2 are additionally provided with relative son cooling
Oil duct 11, the sub- cooling oil duct 11 on the lower surface 15 on head 1 dock with the sub- cooling oil duct 11 on the upper surface 21 in skirt section 2,
A cooling oil duct can be formed, can be flowed in cooling oil duct has cooling medium, and cooling medium plays a part of cooling,
Good cooling effect can be played to piston 10.In addition, the lower surface 15 on head 1 is also in the annular inboard of sub- cooling oil duct 11
Outside is provided with solder arrangement of grooves 13, filled solder to the solder arrangement of grooves 13 on head 1 under atmospheric environment, solder can
To provide raw material for Welding.
Alternatively, as shown in figure 1, forming combuster 14 on head 1, cooling oil duct is around combustion chamber 14, it is necessary to illustrate
, the sub- cooling oil duct 11 on the lower surface 15 on head 1 docks formation with the sub- cooling oil duct 11 on the upper surface 21 in skirt section 2
Cooling oil duct around combustion chamber 14, be arranged such the area that can increase cooling oil duct, preferably combustion chamber 14 can be dropped
Temperature, during so as to be further ensured that cooling effect.
Further, as shown in figure 1, piston 10 also includes：Alignment pin 3, the lower surface 15 on head 1 and the upper table in skirt section 2
Face 21 is additionally provided with pin-and-hole 12, and alignment pin 3 is stretched into the pin-and-hole 12 on head 1 and the pin-and-hole 12 in skirt section 2, and being arranged such being capable of labour contractor
Portion 1 and skirt section 2 are assembled together well, can play a part of position fixation to the relative position on head 1 and skirt section 2.
Specifically, the distance of two solder arrangement of grooves 13 to cooling oil duct is identical, is arranged such the knot that can lift head 1
Structure uniformity, the structure on head 1 can be made more stable, so as to lift the structural stability of piston 10, also, welded
During, the welded uniformity in inner side and outer side of cooling oil duct can be ensured, can further lift welding effect.
Alternatively, as shown in figure 1, the lower surface 15 on head 1 and the upper surface 21 in skirt section 2 cooling oil duct annular inboard
The sub- chamber 4 of loss of weight is additionally provided with, when the lower surface 15 on head 1 and the upper surface 21 in skirt section 2 are docked, on the lower surface 15 on head 1
The sub- chamber 4 of loss of weight and skirt section 2 upper surface 21 on the sub- chamber 4 of loss of weight be docking together, a loss of weight chamber, loss of weight chamber can be formed
Acted on loss of weight, the weight of piston 10 can be reduced.
Further, the processing flatness of the upper surface 21 in the lower surface 15 on head 1 and skirt section 2 is in 0.04mm-0.06mm
Between, the roughness of the lower surface 15 on head 1 and the upper surface 21 in skirt section 2 between 1.5Ra-1.8Ra, such as：Under head 1
The processing flatness of the upper surface 21 in surface 15 and skirt section 2 can be 0.05mm, the lower surface 15 on head 1 and the upper table in skirt section 2
The roughness in face 21 can be 1.6Ra, during Welding, the lower surface 15 on the head 1 being arranged such and skirt section 2 it is upper
Surface 21 can preferably weld together, and can further lift welding quality, so as to prevent the lower surface 15 on head 1
Ftractureed with the weld of the upper surface 21 in skirt section 2, and then the structural strength of piston 10 can be lifted.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (12)
1. a kind of manufacture method of piston, it is characterised in that comprise the following steps：
S1, separately fabricated piston head and skirt section, the lower surface on the head are fabricated to plane, the upper surface system in the skirt section
Make as plane, the upper surface in the lower surface on the head and the skirt section is machined with sub- cooling oil duct and pin-and-hole, the head
Lower surface be also machined with solder arrangement of grooves in the annular inboard of the sub- cooling oil duct and outside；
S2, solder is filled to the solder arrangement of grooves on the head under atmospheric environment；
S3, the head are under, and the skirt section is upper, and detent fit is in the pin-and-hole on the head and the pin-and-hole in the skirt section
Interior, overturning the head and the skirt section makes the head upper；
S4, the piston is put into vacuum brazing furnace progress soldering.
2. the manufacture method of piston according to claim 1, it is characterised in that in the step S1, the head is also
Combuster is processed, the sub- cooling oil duct is processed into around the combustion chamber.
3. the manufacture method of piston according to claim 1, it is characterised in that the lower surface on the head and the skirt section
Upper surface processing flatness between 0.04mm-0.06mm, the upper surface in the lower surface on the head and the skirt section
Roughness is in 1.5Ra-1.8Ra.
4. the manufacture method of piston according to claim 1, it is characterised in that the volume of the solder arrangement of grooves is welding
0.15~0.18 times of area.
5. the manufacture method of piston according to claim 1, it is characterised in that in the step S4, brazing temperature is
1160-1200 DEG C, soaking time 15-60 minutes.
6. the manufacture method of piston according to claim 1, it is characterised in that in the step S4, using the head
Portion's deadweight pressurization.
A kind of 7. piston, it is characterised in that including：The upper surface in head and skirt section, the lower surface on the head and the skirt section
It is plane to form welding plane opposing upper and lower, the upper surface in the lower surface on the head and the skirt section is additionally provided with phase
To sub- cooling oil duct to form cooling oil duct, the lower surface on the head is also in the annular inboard of the sub- cooling oil duct and outer
Side is provided with solder arrangement of grooves.
8. piston according to claim 7, it is characterised in that combuster, the cooling oil duct are formed on the head
Around the combustion chamber.
9. piston according to claim 7, it is characterised in that also include：Alignment pin, the lower surface on the head and described
The upper surface in skirt section is additionally provided with pin-and-hole, and the alignment pin is stretched into the pin-and-hole on the head and the pin-and-hole in the skirt section.
10. piston according to claim 7, it is characterised in that two solder arrangement of grooves to the cooling oil duct
Apart from identical.
11. piston according to claim 7, it is characterised in that the upper surface in the lower surface on the head and the skirt section
The sub- chamber of loss of weight is additionally provided with the annular inboard of the cooling oil duct.
12. piston according to claim 7, it is characterised in that the upper surface in the lower surface on the head and the skirt section
Processing flatness between 0.04mm-0.06mm, the roughness of the upper surface in the lower surface on the head and the skirt section exists
1.5Ra-1.8Ra。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096401.1A CN107876919A (en) | 2017-11-09 | 2017-11-09 | The manufacture method and piston of piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096401.1A CN107876919A (en) | 2017-11-09 | 2017-11-09 | The manufacture method and piston of piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107876919A true CN107876919A (en) | 2018-04-06 |
Family
ID=61779640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711096401.1A Pending CN107876919A (en) | 2017-11-09 | 2017-11-09 | The manufacture method and piston of piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107876919A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0166180A1 (en) * | 1984-05-30 | 1986-01-02 | Siemens Aktiengesellschaft | Hydrophone |
| JPH09253839A (en) * | 1996-03-19 | 1997-09-30 | Denso Corp | Internal cavity member, manufacture thereof, and pump therefor |
| CN1245264A (en) * | 1998-05-20 | 2000-02-23 | 株式会社丰田自动织机制作所 | Piston and manufacturing method thereof |
| CN104096963A (en) * | 2014-07-02 | 2014-10-15 | 东风活塞轴瓦有限公司 | Clamping and positioning method for friction welding of steel piston |
| CN104625659A (en) * | 2014-12-12 | 2015-05-20 | 中国兵器科学研究院宁波分院 | Manufacturing method of electron beam welding aluminum piston |
| CN106735669A (en) * | 2016-12-22 | 2017-05-31 | 山东滨州渤海活塞股份有限公司 | A kind of soldering steel pistons and manufacture method |
| CN207393337U (en) * | 2017-11-09 | 2018-05-22 | 北京海纳川汽车部件股份有限公司 | Piston |
-
2017
- 2017-11-09 CN CN201711096401.1A patent/CN107876919A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0166180A1 (en) * | 1984-05-30 | 1986-01-02 | Siemens Aktiengesellschaft | Hydrophone |
| JPH09253839A (en) * | 1996-03-19 | 1997-09-30 | Denso Corp | Internal cavity member, manufacture thereof, and pump therefor |
| CN1245264A (en) * | 1998-05-20 | 2000-02-23 | 株式会社丰田自动织机制作所 | Piston and manufacturing method thereof |
| CN104096963A (en) * | 2014-07-02 | 2014-10-15 | 东风活塞轴瓦有限公司 | Clamping and positioning method for friction welding of steel piston |
| CN104625659A (en) * | 2014-12-12 | 2015-05-20 | 中国兵器科学研究院宁波分院 | Manufacturing method of electron beam welding aluminum piston |
| CN106735669A (en) * | 2016-12-22 | 2017-05-31 | 山东滨州渤海活塞股份有限公司 | A kind of soldering steel pistons and manufacture method |
| CN207393337U (en) * | 2017-11-09 | 2018-05-22 | 北京海纳川汽车部件股份有限公司 | Piston |
Non-Patent Citations (1)
| Title |
|---|
| 杨世洲 等: "《金属液态成型理论与技术基础》", 西南交通大学出版社 * |
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Application publication date: 20180406 |