CN107363213A - The method of the bent axle in forging hole of the manufacture with weight saving - Google Patents
The method of the bent axle in forging hole of the manufacture with weight saving Download PDFInfo
- Publication number
- CN107363213A CN107363213A CN201610833749.3A CN201610833749A CN107363213A CN 107363213 A CN107363213 A CN 107363213A CN 201610833749 A CN201610833749 A CN 201610833749A CN 107363213 A CN107363213 A CN 107363213A
- Authority
- CN
- China
- Prior art keywords
- bent axle
- shape
- pin
- forging
- hole
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/08—Making machine elements axles or shafts crankshafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/84—Making other particular articles other parts for engines, e.g. connecting-rods
- B21D53/845—Making camshafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/027—Trimming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/12—Forming profiles on internal or external surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/10—Drives for forging presses
- B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
- F16C3/08—Crankshafts made in one piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/20—Shape of crankshafts or eccentric-shafts having regard to balancing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Forging (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention provides a kind of method of the bent axle in the forging hole manufactured with weight saving, and it can realize lightweight and precision form by the punch process additionally including the use of single hydraulic press.Method comprises the following steps：Heat steel bar；Perform and just forge so that the steel bar heated is arranged in the cavity of mould, to be made as the first intermediate shape of bent axle；Perform rough forge so that intermediate shape is made as the second intermediate shape；Perform finish-forging so that the second intermediate shape is made as the 3rd intermediate shape；Perform trimming so that the 3rd intermediate shape is made as the completion shape of bent axle in addition to the shape of bent axle by cutting each several part；And perform punching so that each hole shapes in the completion shape of bent axle.
Description
Technical field
The present invention relates to a kind of method of the bent axle in the forging hole manufactured with weight saving, and relate more specifically to one
Kind can be realized lightweight and precision form and changed by the punching technology additionally including the use of independent hydraulic press
Enter the method for the manufacture bent axle of durability.
Background technology
In recent years, the improvement of fuel efficiency has become important, and antipollution strategy is more and more in vehicle
Carried out in industry.The various methods such as the exploitation of alternative fuel, the improvement of engine efficiency and design improvement can perform,
To improve the fuel efficiency of vehicle and to reduce the discharge of the pollutants such as carbon dioxide.Among them, it is maximally effective
Method is to mitigate the weight of vehicle.When vehicle becomes lighter, its fuel efficiency and acceleration increase, the discharge of carbon dioxide
Reduce, and the durability of chassis and tire is improved.
Therefore, it is necessary to the lightweight of the engine as the combination of multiple parts, to improve the fuel efficiency of vehicle.Start
The main body of machine includes：Crankcase, it is equipped with the bent axle for the reciprocating motion of piston to be converted into rotary motion；Cylinder block,
It has defined the cylinder of reciprocating motion of the pistons wherein；And cylinder head.Such as piston, bent axle moved in each cylinder
It is referred to as major moving part with parts such as connecting rods.
Bent axle is that the core component of rotary motion will be converted into from the linear movement of piston transmission.With engine power and
Efficiency increase, bent axle larger load while rotation put on bent axle.Therefore, because be necessary to ensure that intensity and durability so that
Obtain bent axle and bear big load, bent axle generally has to be heavy among the major moving part of engine.Therefore, when the chi of bent axle
When very little and quality reduces, the size and quality of engine reduce.Therefore, bent axle is imitated to the overall dimensions of vehicle, quality and fuel
Rate has complex effects.
There is the bent axle influenceed greatly to include axle journal (journal shaft) part, crank-pin fuel efficiency
(crankpin) part, arm member and weight member (counterweight parts).Parallel to the crank of journal element arrangement
Pin member is connected to journal element by crank arm, and weight member is located at arm member.Weight member is formed in collar
The both sides of part, axle journal are connected with crank pin member.
Routinely, have and a kind of mitigate the skill of the weight of bent axle by forming hollow hole in the crank pin member of bent axle
Art.So, it is suitable hole to be formed in crank pin member, because the influence of this intensity to bent axle is small.
However, when hole is formed in crank pin member, the hole formed in each crank pin member may be different from each other.
In order to reduce mass deviation and fault rate, by controlling the displacement set in each hydraulic press and load to perform precision form
It is necessary.
The content of the invention
Therefore, in order to solve the above problems, the present invention mitigates the weight of bent axle through exploitation and bent axle is critically shaped.
It is therefore an object of the present invention to provide a kind of method of the bent axle in the forging hole manufactured with weight saving, method
The weight of bent axle can be mitigated while making bent axle critically shape, to reduce mass deviation and failure during its manufacture
Rate.
It is a further object of the present invention to provide a kind of method of the bent axle in the forging hole manufactured with weight saving, method energy
Enough make the weight of mitigation vehicle motor and make vehicle increase durability and mitigate weight, so as to increase fuel efficiency and prevent
Environmental pollution.
The invention is not restricted to object defined above, and other objects of the present invention will be retouched by those skilled in the art from following
State and be expressly understood.
According to the present invention, above-mentioned and other purpose can be by providing the bent axle that forges hole of the manufacture with weight saving
Method realizes that method comprises the following steps：Heat steel bar；Perform just forging (busting, buster) so that the steel heated
Bar is arranged in the cavity of the mould including mold and lower mould, to be made as the first intermediate shape of bent axle；Perform thick
Forge (blocking, blocker) so that the first intermediate shape is made as the second intermediate shape；After rough forge step, end is performed
Forge (finishing, finisher) so that the second intermediate shape is made as the 3rd intermediate shape；After finish-forging step, perform
Trimming (trimming) so that the 3rd intermediate shape is made as song by cutting each several part in addition to the shape of bent axle
The completion shape of axle；And after trimming process, perform punching (punching) so that each hole is in the completion shape of bent axle
Formed.
In punching step, hole can use to be shaped in two pin wet ends of the hydraulic press in the completion shape of bent axle.
Hydraulic press can respectively be applied to each pin wet end.
Hydraulic press is simultaneously applied to two wet ends of crank-pin and two wet ends of another crank-pin.
Hydraulic press can be applied to two each wet ends in crank-pin with diagonal.
Hole can in the completion shape in the state of the completion shape of bent axle heats after trimming process in bent axle into
Shape.
Brief description of the drawings
The present invention above-mentioned and other purpose, feature and other advantages by from is combined with accompanying drawing progress following detailed description
It is more clearly understood that, wherein：
Fig. 1 (correlation technique) is to be shown to manufacture the flow chart of the method for bent axle according to correlation technique；
Fig. 2 is the flow chart for showing to manufacture the method for bent axle according to an embodiment of the invention；
Fig. 3 is shown according to an embodiment of the invention in the process after trimming process by adding punching step
And the view of the bent axle manufactured；
Fig. 4 is shown according to an embodiment of the invention by dividing in the first forming step and the second forming step of method
Not using selling each hydraulic press in wet end for it the view of bent axle that manufactures；
Fig. 5 is to show the state that the forging hole of weight saving shapes in the pin wet end of bent axle according to an embodiment of the invention
View；And
Fig. 6 is the view for the bent axle that the forging hole with weight saving is shown according to the present invention.
Embodiment
It should be appreciated that term " vehicle " or " vehicle " or other similar terms as used herein generally include machine
Motor-car, such as include the passenger car of SUV (SUV), bus, truck, various commercial vehicles including each
The water carrier of kind of ship, aircraft etc., and including motor vehicle driven by mixed power, electric vehicle, plug-in hybrid electric vehicle,
Hydrogen-powered vehicle and other alternative fuel vehicles (for example, coming from the fuel of resource in addition to petroleum).As referred to herein,
Motor vehicle driven by mixed power is a kind of vehicle with two or more power sources, such as gasoline powered vehicles and electric power vehicle.
Term used herein is to enter to describe specific embodiment and be not intended to the limitation present invention.As used herein, it is single
Number form formula " one ", "one" and "the" are intended to also include plural form, unless context clearly it is further noted that.It will also be appreciated that
It is that stated feature, integer, step, operation, member are specified when term " comprising " and/or "comprising" use in this manual
The presence of part and/or component, but be not excluded for other one or more features, integer, step, operation, element, component and/or it
Group presence or addition.As used herein, the term "and/or" includes one or more of listed continuous item
Any and all combination.Throughout the specification, unless clearly opposite description, word " comprising " and such as " including
(comprises) " or the modification of " including (comprising) " will be appreciated that to imply including for stated element, but not be to appoint
The exclusion of what other elements.In addition, term " unit ", "-device (- er) ", "-device (- or) " and " mould described in this specification
Block " refers to the unit for handling at least one function and operation, and can by nextport hardware component NextPort or component software and they
Combination is completed.
In addition, the control logic of the present invention can be embodied as containing the executable journey by execution such as processor, controllers
Non-transitory computer-readable medium on the computer-readable medium of sequence instruction.Computer-readable medium includes but is not limited to
ROM, RAM, CD (CD)-ROM, tape, floppy disk, flash drive, smart card and optical data storage device.The computer
Computer-readable recording medium can also be distributed in the computer system with net connection so that the computer-readable medium is for example by long-range
Netscape messaging server Netscape or controller local area network (CAN) store and performed in a distributed fashion.
Hereinafter, exemplary embodiment of the invention will be described in detail.The present invention relates to one kind manufacture to have weight
The method of the bent axle in the forging hole of mitigation.
Fig. 1 (correlation technique) is the flow chart for the process that crankshaft forging is shown according to correlation technique.In steel bar at 1200 DEG C
To after heating at a temperature of 1250 DEG C, the steel bar heated passes through warm and hot forging process.Warm and hot forging process is divided into just forging step
(S11), rough forge step (S13), finish-forging step (S15) and trimming process (S17).
First, the steel bar heated by just forging step (S11), wherein the steel bar heated be arranged on including mold and
In the cavity of the mould of lower mould, and it is set in and is capable of being shaped to correspond to the by the intensity that considers material and strain forging
In the scope of one intermediate shape.Then, the first intermediate shape is set in by the intensity that considers material and strain forging and can
In the scope of shaping, and it is made as by the first intermediate shape the rough forge step (S13) of the second intermediate shape.Then, pass through
Second intermediate shape of rough forge step (S13) is made as the 3rd intermediate shape so as to corresponding to bent axle by the second intermediate shape
Complete the finish-forging step (S15) of shape.Then, by the 3rd intermediate shape of finish-forging step (S15) by cutting except bent axle
Part beyond shape simultaneously complete the trimming process (S17) of the shape of bent axle.
Fig. 2 is the flow chart for showing to manufacture the method for bent axle according to an embodiment of the invention.The method of manufacture bent axle is also wrapped
Include punching step (S109) so that can form hole in the completion shape in bent axle after trimming process.Thus, finally manufacture
According to the bent axle in the forging hole with weight saving of the present invention.
In more detail, the steel bar heated passes through heated steel bar and is arranged on the mould including mold and lower mould
First forging step (S101) in cavity, and be arranged on the intensity by considering material and strain forging and be capable of being shaped to correspond to
In the scope of first intermediate shape.Then, the first intermediate shape is set in the intensity by considering material and strains forging and energy
In the scope enough shaped, and it is made as by the first intermediate shape the rough forge step (S103) of the second intermediate shape.Then,
Two intermediate shapes are made as the 3rd intermediate shape so as to corresponding to song after rough forge step (S103) by the second intermediate shape
The finish-forging step (S105) of the completion shape of axle.Then, the 3rd intermediate shape is removed after finish-forging step (S105) by cutting
Part beyond the shape of bent axle simultaneously complete the trimming process (S107) of the shape of bent axle.Then, punching step (S109) is performed,
Hole is shaped in the completion shape of bent axle of trimming process (S107) has been passed through.Therefore, finally according to above-mentioned steps
The bent axle in the forging hole with weight saving of the manufacture present invention.
Fig. 5 is to show the state that the forging hole of weight saving shapes in the pin wet end of bent axle according to an embodiment of the invention
View.Specifically, sell in wet end each has fan shape on the whole, and the forging hole of weight saving is with relatively small
Width pin wet end upside in shape, rather than on the downside of it in shape.It can be appreciated that hole when viewed from the side
Shaped in the upside of pin wet end.
Fig. 3 is to show to manufacture by adding punching step after trimming process in method according to an embodiment of the invention
Bent axle view.In the punching step (S109) of the present invention, two pins of the hydraulic press in the completion shape of bent axle are used
Hole is formed in wet end.
Hole must be heated after trimming process (S107) by the completion shape of the bent axle of punching step (S109)
In the state of shaped in the completion shape of bent axle.In addition, it can be appreciated that hydraulic press respectively makes in each pin wet end
With, and diagonal be applied to pin wet end.
In more detail, Fig. 3 shows the bent axle of the four cylinder engine with four cylinders.Thus it can be seen that bent axle
With four pins.In addition, it can be appreciated that pin wet end is located at the both sides of each crank-pin, and the total quantity for selling net is eight
It is individual.Four pins and eight pin wet ends are set perpendicular to the axis of bent axle.
Fig. 4 is to show to lead in the first forming step and the second forming step of methods described according to an embodiment of the invention
Cross respectively using the view for being used for the bent axle that its each hydraulic press sold in wet end manufactures.It is similar with shown in Fig. 3, figure
4 show that bent axle includes four pins and eight pin wet ends.First pin 101, the second pin 102, the 3rd pin 103 and the 4th pin 104 are in Fig. 4
In with positioned in sequence from left to right.First pin wet end 111 and second sells the both sides that wet end 112 is located at the first pin 101, the 3rd pin
Wet end 113 and the 4th is sold wet end 114 and is located on the both sides of the second pin 102, and the 5th pin wet end 115 and the 6th is sold wet end 116 and is located at
The both sides of 3rd pin 103, and the 7th pin wet end 117 and the 8th sells the both sides that wet end 118 is located at the 4th pin 104.
The first forming step and the second forming step of the present invention will be described in.In the first forming step, for
Using each single hydraulic press in the mould of punching, in the first pin pin wet end 112 of wet end 111 and second of the first pin 101
Hole is formed with the 5th pin pin wet end 116 of wet end 115 and the 6th of the 3rd pin 103.Second after the first forming step
In forming step, using each single hydraulic press in the mould for punching, in the 3rd pin wet end and the 4th of the second pin
Hole is formed in pin wet end and in the 7th pin wet end and the 8th pin wet end of the 4th pin.
In the first forming step and the second forming step, each hydraulic press is applied to two nets of a crank-pin simultaneously
Portion and two wet ends of another crank-pin.
When two forming steps altogether performed as described above, compared with correlation technique, the time for shaping does not increase, still
Nevertheless, due to precision form can be performed using each individually hydraulic press.It is thereby achieved that optimum quality.
Therefore, according to the present invention there are two using hydraulic press in the completion shape of bent axle to be sold what is shaped in wet ends
The bent axle in hole passes through the punching for including the first forming step and the second forming step added after trimming process (S107)
Step (S109) manufactures.In this case, it is each individually hydraulic press be used for accordingly sell wet end, and diagonal apply
In pin wet end.Hole must be in the completion shape for heating the bent axle after trimming process (S107) by punching step (S109)
Shaped under state in the completion shape of bent axle.
When hydraulic press is respectively used for selling wet end accordingly, such as in punching step (S109), bent axle is can be by setting
Fixed displacement and spatial load forecasting, and can critically shape.Therefore, it is possible to reduce mass deviation and its failure in bent axle
Rate.
In addition, Fig. 6 is the view for the bent axle that the forging hole with weight saving is shown according to the present invention.According to correlation technique
Bent axle in the quantity in hole be 4, and be 8 (referring to Fig. 3) according to the quantity in the hole in the bent axle of the present invention.By comparing, when
When manufacturing bent axle, it is about according to 9.522 kilograms during the weight of the bent axle of correlation technique, and according to the weight of the bent axle of the present invention
9.0 kilogram.
Therefore, because mitigated according to the weight of the bent axle of the present invention compared with the weight of correlation technique, when manufacture car
When be expected significant weight loss effect.In addition, it can also additionally improve fuel together with the lightweight of vehicle
Efficiency.In addition, compared with the working angles according to the bent axle of correlation technique, the manufacturing cost of bent axle can reduce, and can
Ensure good fatigue strength.
According to the method for the bent axle in forging hole of the manufacture of the present invention with weight saving, mitigate the weight and simultaneously of bent axle
Bent axle is set critically to shape to reduce mass deviation and fault rate during its manufacture.
Generally, bent axle is that the core component of rotary motion will be converted into from the linear movement of piston transmission.With engine
Power and efficiency increase, bent axle must rotate while larger load is born.Therefore, the intensity and durability for increasing bent axle is
It is required.Therefore, by the bent axle in the forging hole with weight saving made according to the method for the present invention meet it is above-mentioned it is all will
Ask.
In addition, according to the method in forging hole of the manufacture of the present invention with weight saving, the weight of vehicle motor can be with
Mitigate, and vehicle can increase durability and mitigate weight, so as to increase fuel efficiency and prevent the pollution of the environment.
As from the description above it is clear that having the side of the bent axle in the forging hole of weight saving according to the manufacture of the present invention
Method, mitigate the weight of bent axle and bent axle is critically shaped simultaneously so as to reduce mass deviation and failure during its manufacture
Rate.
In addition, according to the method for the bent axle in forging hole of the manufacture of the present invention with weight saving, the weight of vehicle motor
Amount can mitigate, and vehicle can increase durability and mitigate weight, so as to increase fuel efficiency and prevent the pollution of the environment.
Although the preferred embodiments of the present invention disclose for illustrative purpose, those skilled in the art will
Understand, in the case of without departing substantially from the scope and spirit of the present invention as disclosed in accompanying drawing, various modifications, addition and replacement
All it is possible.
Claims (6)
1. a kind of method of the bent axle in the forging hole manufactured with weight saving, the described method comprises the following steps：
Heat steel bar；
Perform and just forge so that the steel bar after heating is arranged in the cavity of the mould including mold and lower mould, to be produced
For the first intermediate shape of bent axle；
Perform rough forge so that first intermediate shape is made as the second intermediate shape；
After rough forge step, finish-forging is performed so that second intermediate shape is made as the 3rd intermediate shape；
After finish-forging step, perform trimming so that the 3rd intermediate shape by cut except the bent axle shape with
Outer each several part, it is made as the completion shape of the bent axle；And
After trimming process, punching is performed so that each hole is formed in the completion shape of the bent axle.
2. according to the method for claim 1, wherein in punching step, the hole is using hydraulic press in the complete of the bent axle
Formed in two pin wet ends in forming shape.
3. according to the method for claim 2, wherein the hydraulic press is respectively applied to each pin wet end.
4. according to the method for claim 3, wherein the hydraulic press simultaneously applied to crank-pin two wet ends and
Two wet ends of another crank-pin.
5. according to the method for claim 4, wherein the hydraulic press diagonal be applied to the crank-pin in it is each
Two wet ends.
6. according to the method for claim 1, wherein the hole adds in the completion shape of the bent axle after trimming process
Formed in the state of heat in the completion shape of the bent axle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2016-0057762 | 2016-05-11 | ||
| KR1020160057762A KR20170127299A (en) | 2016-05-11 | 2016-05-11 | Method of Manufacturing Crankshaft Having Lightweight Forged Holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107363213A true CN107363213A (en) | 2017-11-21 |
Family
ID=60163393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610833749.3A Pending CN107363213A (en) | 2016-05-11 | 2016-09-20 | The method of the bent axle in forging hole of the manufacture with weight saving |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20170326620A1 (en) |
| KR (1) | KR20170127299A (en) |
| CN (1) | CN107363213A (en) |
| DE (1) | DE102016218395A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101529A (en) * | 2021-11-03 | 2022-03-01 | 哈尔滨飞机工业集团有限责任公司 | Hole taking method for sheet metal part |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7248886B2 (en) * | 2019-02-07 | 2023-03-30 | 日本製鉄株式会社 | Crankshaft manufacturing method |
| JP7385132B2 (en) | 2020-04-03 | 2023-11-22 | 日本製鉄株式会社 | Crankshaft manufacturing method |
| JP7385131B2 (en) | 2020-04-03 | 2023-11-22 | 日本製鉄株式会社 | Crankshaft manufacturing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5398290B2 (en) * | 2009-02-09 | 2014-01-29 | 本田技研工業株式会社 | Crankshaft manufacturing apparatus and manufacturing method |
| WO2010090284A1 (en) * | 2009-02-09 | 2010-08-12 | 本田技研工業株式会社 | Method and apparatus for producing crank shaft |
| JP5405166B2 (en) * | 2009-03-26 | 2014-02-05 | 本田技研工業株式会社 | Crankshaft manufacturing apparatus and manufacturing method |
| EP2412993B1 (en) * | 2009-03-26 | 2014-12-31 | Honda Motor Co., Ltd. | Crankshaft and method for producing the same |
-
2016
- 2016-05-11 KR KR1020160057762A patent/KR20170127299A/en not_active Application Discontinuation
- 2016-09-14 US US15/264,754 patent/US20170326620A1/en not_active Abandoned
- 2016-09-20 CN CN201610833749.3A patent/CN107363213A/en active Pending
- 2016-09-23 DE DE102016218395.8A patent/DE102016218395A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101529A (en) * | 2021-11-03 | 2022-03-01 | 哈尔滨飞机工业集团有限责任公司 | Hole taking method for sheet metal part |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016218395A1 (en) | 2017-11-16 |
| KR20170127299A (en) | 2017-11-21 |
| US20170326620A1 (en) | 2017-11-16 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171121 |
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| WD01 | Invention patent application deemed withdrawn after publication |