CN109570432A - A kind of aluminum alloy forging ring manufacturing method based on punching shearing die - Google Patents
A kind of aluminum alloy forging ring manufacturing method based on punching shearing die Download PDFInfo
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- CN109570432A CN109570432A CN201811267953.9A CN201811267953A CN109570432A CN 109570432 A CN109570432 A CN 109570432A CN 201811267953 A CN201811267953 A CN 201811267953A CN 109570432 A CN109570432 A CN 109570432A
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- forging
- blank
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- punching
- ring
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Classifications
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- 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
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
- B21K1/761—Making machine elements elements not mentioned in one of the preceding groups rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- 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
- B21J5/002—Hybrid process, e.g. forging following casting
-
- 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
Abstract
A kind of aluminum alloy forging ring manufacturing method based on punching shearing die, it is related to a kind of aluminum alloy forging ring manufacturing method；It is long the invention aims to imitate solution aluminium alloy production cycle in forging-ring production process, reduce cost of labor and energy consumption.Its manufacturing method has: one, the material selection of novel shearing die；Two, the design of novel shearing die；Three, cast aluminium alloy gold ingot casting；Four, the flat-die forging of blank；Five, the solid mould punching of forging；Six, the novel shearing die punching of forging；Seven, the ring forging of forging；Eight, the machine of forging adds.The present invention has the advantages that being manufactured with this method, to efficiently solve the production cycle long, reduces cost of labor and energy consumption.There is great political significance and huge social benefit to the reinforcement of China's national defense strength.The present invention is applied to field of aluminum alloys.
Description
Technical field
The present invention relates to a kind of aluminum alloy forging ring manufacturing methods based on the novel shearing die of punching.
Background technique
With the development of China's aerospace cause, more scale aluminium alloy forging-rings are with light-weight, the anticorrosive, rigidity of structure
Greatly, the features such as fracture toughness is good wins more and more markets.Currently, in the punching link of the production technology of aluminum alloy forging ring, institute
The method used is that solid punch mold goes out centre bore.Then, ring forging is carried out on flat-die forging machine.This solid punch mould
Though tool can meet the needs of production, use solid punch die punching process be hot-working (aluminium alloy temperature for 360 DEG C with
On), due to the shearing force in punch process, it will appear centre bore periphery after causing solid punch mold to wash out blank material core
Unevenness phenomenon, next process can just be entered by being machined after punching, otherwise can will be led in punch process
The defect of cause brings interiors of products into.It is machined this process and considerably increases cost of labor and energy consumption, and certain journey
Increase the production cycle on degree.
Summary of the invention
The invention aims to provide a kind of aluminum alloy forging ring manufacturing method based on the novel shearing die of punching, with
Improve efficiency and reduction production cost, reduction production cycle of the aluminium alloy in forging-ring production process.
A kind of aluminum alloy forging ring manufacturing method based on punching shearing die of the invention, the manufacturing method press with
Lower step is realized:
One, the selection of the used material of shearing die: 5CrNiMo hot die steel is selected, it is desirable that chemical component is as follows:
Carbon: 0.50~0.60；Silicon≤0.04；Manganese: 0.50~0.80；Sulphur≤0.030；Phosphorus≤0.030；Chromium: 0.50~0.80；Nickel: permit
Perhaps residual content≤0.25；Copper: allow residual content≤0.30；Molybdenum: 0.15~0.30；
Two, shearing die: it is respectively upper mold and lower mold, the upper mold that shearing die is made of two parts
The frustum cone structure of through-hole is provided with for centre, lower mold is the disc structure that centre is provided with through-hole；The lower mold through-hole diameter
Greater than upper mold maximum gauge；
Three, aluminium alloy cast ingot: cleaning aluminium alloy cast ingot, obtains the aluminium alloy cast ingot of surface cleaning；
Four, the flat-die forging condition of blank needed for forging: the aluminium alloy cast ingot after step 3 cleaning is forged, is forged
Temperature is 380 DEG C~430 DEG C, and soaking time is 4~6 hours, 300 DEG C~350 DEG C of temperature requirement of flat anvil when flat-die forging, through more
Secondary jumping-up pulling technique carries out flat-die forging, then obtains centre bore blank to be rushed；
Five, the solid mould punching of forging: the blank that step 4 is obtained is placed in blank on 3000 tons of flat-die forging machines
First cooperated using flat anvil and solid punch, hollow drain cap mold, under conditions of starting forging temperature is 380 DEG C~430 DEG C, in blank
Centre bore is gone out at center, and it is smooth then to carry out centre bore using flat anvil；
Six, the shearing die punching of forging: after the blank punching of step 5, it is not less than 390 DEG C of feelings in slab temperature
Under condition, the shearing die using step 2 is carrying out punching again to rush central hole location, by original solid punch die punching
Periphery defect carry out shearing separated with blank ontology, in the process to shearing die inside progress sufficient lubrication；
Seven, the ring forging of forging: the blank that step 6 punching is completed, before guarantee starting forging temperature is 380 DEG C~430 DEG C
It puts, is carried out on 3000 tons of flat-die forging machines, carry out saddle support reaming ring with mandrel using saddle support and ring forging by predetermined size and forge,
Ring forging uses 300 DEG C~350 DEG C of mandrel temperature requirement；
Eight, the machine of forging adds: forging carries out the machining of forging-ring internal-and external diameter surface by drawing on vertical lathe,
Upper and lower surface machining is carried out on horizontal milling machine.
The present invention include it is following the utility model has the advantages that
Aluminum alloy forging ring produced by the present invention not only meets standard requirements, but also improves the whole production cycle of forging-ring,
The production cost and energy loss for reducing forging-ring reduce the folding etc. due to introducing after original mode punching to the greatest extent
Defect, step 6 of the present invention are compared with original not applicable shearing die using after shearing die, can be reduced cooling to blank
The process that the preliminary machining sequence and machine that internal hole is carried out after to room temperature again heat blank after the completion of adding, to reduce production
Cost and energy consumption meet the requirement of aluminum alloy ring shape Forging.
Detailed description of the invention
Fig. 1 is shearing die upper die structure schematic diagram in step 2；
Fig. 2 is shearing die lower die structure schematic diagram in step 2；
Fig. 3 is shearing die overall structure diagram in step 2.
Specific embodiment
Specific embodiment 1: a kind of aluminum alloy forging ring manufacturer based on the novel shearing die of punching of present embodiment
Method, the manufacturing method are realized according to the following steps:
One, the selection of the used material of shearing die: 5CrNiMo hot die steel is selected, it is desirable that chemical component is as follows: carbon
C:0.50~0.60；Silicon Si≤0.04；Manganese Mn:0.50~0.80；Sulphur S≤0.030；Phosphorus P≤0.030；Chromium Cr:0.50~
0.80；Nickel: allow residual content≤0.25；Copper Cu: allow residual content≤0.30；Molybdenum Mo:0.15~0.30；
Two, shearing die designs: novel shearing die forms respectively upper mold and lower mold (as schemed by two parts
Shown in 1 to 3)；
Three, aluminium alloy cast ingot requirement: the mass percent of element requires to meet GB/T3190- in selected aluminium alloy cast ingot
Relevant regulations in 2008 deformation aluminium and aluminum alloy chemical composition, the aluminium alloy cast ingot of the surface cleaning after being cleaned, ingot casting
Heating temperature be 380 DEG C~430 DEG C, soaking time be 4~6 hours；
Four, the flat-die forging of blank needed for forging: blank heating temperature is 380 DEG C~430 DEG C, and soaking time is 4~6 small
When, 300 DEG C~350 DEG C of temperature requirement of flat anvil when flat-die forging, blank is according to (i.e. jumping-up → primary the pulling → primary of five techniques of forging
Multi-party forging → secondary pulling → secondary multi-party forging), it forges to centre bore blank is rushed, i.e., uses blank on 3000 tons of flat-die forging machines
Mould carries out base to blank, 300 DEG C~350 DEG C of flat anvil temperature requirement, is forged；
Five, the solid mould punching of forging: the starting forging temperature of blank is 380 DEG C~430 DEG C, in 3000 tons of flat-die forging machines
On blank is first used to flat anvil and solid punch, the cooperation of hollow drain cap mold, go out centre bore at blank center；
Six, the novel shearing die punching of forging: slab temperature is not less than 390 DEG C after guaranteeing the punching in step 5
In the case of, using novel shearing die in carrying out punching again to rush central hole location, original solid punch mold is rushed
The shearing finishing that carries out in heart hole is separated with blank ontology, carries out sufficient lubrication to shearing die inside in the process；
Seven, the ring forging of forging: the blank that step 6 punching is completed, before guarantee starting forging temperature is 380 DEG C~430 DEG C
It puts, is carried out on 3000 tons of flat-die forging machines, carry out saddle support reaming ring with mandrel using saddle support and ring forging by predetermined size and forge,
Ring forging uses 300 DEG C~350 DEG C of mandrel temperature requirement；
Eight, the machine of forging adds: forging carries out forging-ring internal-and external diameter surface machine by drawing on vertical lathe and adds, horizontal
Upper and lower surface machine is carried out on milling machine to add.
In present embodiment step 4 when on hydraulic press by five technique rough forging of forging, intermediate pulling technique will be pulled out
Predetermined size, in favor of the macrostructure and performance of forging.
Specific embodiment 2: the present embodiment is different from the first embodiment in that, forging blank in step 4
The diameter that blank after the completion of two steps in five techniques pull out step every step is forged in forging when pull out process is required to reach 0.4~
The 0.45 times blank length.Other steps and parameter are same as the specific embodiment one.
Specific embodiment 3: present embodiment is unlike specific embodiment one to two: blank is forged in step 4
It makes according to forging five techniques completion, five technique of forging are as follows: firstly, jumping-up；Secondly, primary pulling；Again, primary multi-party
Forging；Then, secondary pulling；Finally, secondary multi-party forging.Other steps and parameter are identical as one of specific embodiment one to two.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three: institute in step 4
The flat-die forging stated refers to: base carried out to blank with blank mould on 3000 tons of flat-die forging machines, 300 DEG C of flat anvil temperature requirement~
It 350 DEG C, is forged to obtain cake type blank.Other steps and parameter are identical as one of specific embodiment one to three.
Specific embodiment 5: unlike one of present embodiment and specific embodiment one to four: step 7 middle ring
Forging uses 320 DEG C~350 DEG C of mandrel temperature requirement.Other steps and parameter are identical as one of specific embodiment one to four.
Specific embodiment 6: unlike one of present embodiment and specific embodiment one to five: selected aluminium closes
The mass percent of element requires to meet the related rule in GB/T3190-2008 deformation aluminium and aluminum alloy chemical composition in golden ingot casting
It is fixed.Other steps and parameter are identical as one of specific embodiment one to five.
Beneficial effects of the present invention are verified by following embodiment:
Embodiment 1
The present embodiment space flight follows these steps to implement with the production method of 5A06 aluminum alloy ring shape Forging:
One, the used material of shearing die selects: selecting 5CrNiMo hot die steel as Mold Making material,
Ask chemical component as follows: carbon C:0.50~0.60；Silicon Si≤0.04；Manganese Mn:0.50~0.80；Sulphur S≤0.030；Phosphorus P≤
0.030；Chromium Cr:0.50~0.80；Nickel: allow residual content≤0.25；Copper Cu: allow residual content≤0.30；Molybdenum Mo:
0.15~0.30；
Two, shearing die designs: novel shearing die forms respectively upper mold and lower mold by two parts, described
Upper mold be that centre is provided with the frustum cone structure of through-hole, lower mold is the disc structure that centre is provided with through-hole；The lower mold
Through-hole diameter is greater than upper mold maximum gauge；(as shown in Figures 1 to 3)
Three, aluminium alloy cast ingot requirement: the size of aluminium alloy cast ingot is the cylindrical ingot of 482 × 860mm of Φ.Aluminium used closes
It is 0.40%, Fe 0.40% that the mass percent of element, which is Si, in golden ingot casting, and Cu 0.10%, Mn are 0.50~0.8%, Mg
It is 0.02~0.10% for 5.8~6.8%, Zn 0.2%, Ti, single impurity≤0.05% adds up to impurity≤0.15%,
Remaining is Al；
Four, the flat-die forging of blank needed for forging: blank heating temperature is that 410 DEG C of soaking times are 6 hours, flat-die forging
When 320 DEG C of temperature requirement of flat anvil, blank according to five techniques of forging (i.e. jumping-up → primary pulling → primary multi-party forging → secondary pulling →
Secondary multi-party forging), it forges to centre bore blank is rushed, i.e., base is carried out to blank with blank mould on 3000 tons of flat-die forging machines,
It 330 DEG C of flat anvil temperature requirement, is forged to obtain cake type blank；
Five, the solid mould punching of forging: 410 DEG C of starting forging temperature are made to the heating of blank obtained by step 4, certainly at 3000 tons
Blank is first used with flat anvil and solid punch, hollow drain cap mold on forging machine, goes out centre bore at blank center；
Six, the novel shearing die punching of forging: slab temperature is not less than 395 DEG C after guaranteeing the punching in step 5
In the case of, using novel shearing die in carrying out punching again to rush central hole location, original solid punch mold is rushed
The shearing finishing that carries out in heart hole is separated with blank ontology, carries out sufficient lubrication to shearing die inside in the process；
Seven, the ring forging of forging: the blank that step 6 punching is completed, under the premise of guaranteeing 410 DEG C of starting forging temperature,
It is carried out on 3000 tons of flat-die forging machines, carries out saddle support reaming ring with mandrel using saddle support and ring forging by predetermined size and forge, ring forging is used
320 DEG C of mandrel temperature requirement, ring is forged to drawing requirement size；
Eight, the machine of forging adds: in step 7, gained forging is after being cooled to room temperature, on vertical lathe by drawing
It carries out forging-ring internal-and external diameter surface machine to add, upper and lower surface machine is carried out on horizontal milling machine and is added.
The space flight obtained to the present embodiment with 5A06 aluminum alloy ring shape Forging carries out the inspection of metal macrostructure and to score
Analysis, it is known that macrostructure fold defect is not present in the annular forging piece of this example, under the premise of reducing machining sequence together, improves
The production efficiency of aluminum alloy ring shape Forging, reduces the energy consumption in production process.
Claims (6)
1. a kind of aluminum alloy forging ring manufacturing method based on punching shearing die, it is characterised in that it is real according to the following steps
It is existing:
One, the selection of the used material of shearing die: 5CrNiMo hot die steel is selected, it is desirable that chemical component is as follows: carbon:
0.50~0.60；Silicon≤0.04；Manganese: 0.50~0.80；Sulphur≤0.030；Phosphorus≤0.030；Chromium: 0.50~0.80；Nickel: allow residual
Remaining content≤0.25；Copper: allow residual content≤0.30；Molybdenum: 0.15~0.30；
Two, shearing die: shearing die form respectively upper mold and lower mold by two parts, during the upper mold is
Between be provided with the frustum cone structure of through-hole, lower mold is the disc structure that centre is provided with through-hole；The lower mold through-hole diameter is greater than
Upper mold maximum gauge；
Three, aluminium alloy cast ingot: cleaning aluminium alloy cast ingot, obtains the aluminium alloy cast ingot of surface cleaning；
Four, the flat-die forging condition of blank needed for forging: the aluminium alloy cast ingot after step 3 cleaning is forged, forging temperature
It is 380 DEG C~430 DEG C, soaking time is 4~6 hours, 300 DEG C~350 DEG C of temperature requirement of flat anvil when flat-die forging, through multiple upsetting
Thick pulling carries out flat-die forging, then obtains centre bore blank to be rushed；
Five, the solid mould punching of forging: the blank that step 4 is obtained, which is placed on 3000 tons of flat-die forging machines, first makes blank
Cooperated with flat anvil and solid punch, hollow drain cap mold, under conditions of starting forging temperature is 380 DEG C~430 DEG C, at blank center
Centre bore is gone out, it is smooth then to carry out centre bore using flat anvil；
Six, the shearing die punching of forging: after the blank punching of step 5, in the case where slab temperature is not less than 390 DEG C,
Shearing die using step 2 is carrying out punching again to rush central hole location, by the periphery of original solid punch die punching
Defect carries out shearing and separates with blank ontology, carries out sufficient lubrication to shearing die inside in the process；
Seven, the ring forging of forging: the blank that step 6 punching is completed is guaranteeing that starting forging temperature is 380 DEG C~430 DEG C of premise
Under, it is carried out on 3000 tons of flat-die forging machines, carries out saddle support reaming ring with mandrel using saddle support and ring forging by predetermined size and forge, ring
Forging uses 300 DEG C~350 DEG C of mandrel temperature requirement；
Eight, the machine of forging adds: forging carries out the machining of forging-ring internal-and external diameter surface by drawing on vertical lathe, horizontal
Upper and lower surface machining is carried out on milling machine.
2. a kind of aluminum alloy forging ring manufacturing method based on punching shearing die according to claim 1, feature exist
Blank forging is completed according to five techniques of forging in step 4, five technique of forging are as follows: firstly, jumping-up；Secondly, once pulling out
It is long；Again, primary multi-party forging；Then, secondary pulling；Finally, secondary multi-party forging.
3. a kind of aluminum alloy forging ring manufacturing method based on punching shearing die according to claim 2, feature exist
Blank after the completion of the two steps pulling every step of step of the forging of forging blank in five technique of forging for pulling out process in step 4
Diameter is required to reach 0.4~0.45 times blank length.
4. a kind of aluminum alloy forging ring manufacturing method based on punching shearing die according to claim 1, feature exist
Flat-die forging described in step 4 refers to: carrying out base, flat anvil temperature to blank with blank mould on 3000 tons of flat-die forging machines
Degree requires 300 DEG C~350 DEG C, is forged to obtain cake type blank.
5. a kind of aluminum alloy forging ring manufacturing method based on punching shearing die according to claim 1, feature exist
In the forging of step 7 middle ring with 320 DEG C~350 DEG C of mandrel temperature requirement.
6. a kind of aluminum alloy forging ring manufacturing method based on punching shearing die according to claim 1, feature exist
The mass percent of element requires to meet GB/T3190-2008 deformation aluminium in selected aluminium alloy cast ingot and aluminium alloying studies
Relevant regulations in point.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811267953.9A CN109570432B (en) | 2018-10-29 | 2018-10-29 | Aluminum alloy forged ring manufacturing method based on shearing die for punching |
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| CN201811267953.9A CN109570432B (en) | 2018-10-29 | 2018-10-29 | Aluminum alloy forged ring manufacturing method based on shearing die for punching |
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| CN109570432A true CN109570432A (en) | 2019-04-05 |
| CN109570432B CN109570432B (en) | 2020-04-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853042A (en) * | 2020-06-08 | 2020-10-30 | 湖北省丹江口丹传汽车传动轴有限公司 | Aluminum alloy transmission shaft assembly with composite structure and production method thereof |
| CN112387922A (en) * | 2020-12-30 | 2021-02-23 | 南京信六加科技有限公司 | Metal ring forging equipment |
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| JPS5362762A (en) * | 1976-11-17 | 1978-06-05 | Yamaha Motor Co Ltd | Stamping method and machine for linked rod |
| CN1110636A (en) * | 1994-02-10 | 1995-10-25 | 日高精机株式会社 | A die set |
| CN202614572U (en) * | 2012-04-27 | 2012-12-19 | 上海宝钢工业技术服务有限公司 | Shearing mold of rod-like sample for gas analysis in steel |
| CN104759850A (en) * | 2015-04-03 | 2015-07-08 | 无锡市派克重型铸锻有限公司 | Processing technique of high aluminum alloy cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52170835U (en) * | 1971-06-17 | 1977-12-26 | ||
| JPS5362762A (en) * | 1976-11-17 | 1978-06-05 | Yamaha Motor Co Ltd | Stamping method and machine for linked rod |
| CN1110636A (en) * | 1994-02-10 | 1995-10-25 | 日高精机株式会社 | A die set |
| CN202614572U (en) * | 2012-04-27 | 2012-12-19 | 上海宝钢工业技术服务有限公司 | Shearing mold of rod-like sample for gas analysis in steel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853042A (en) * | 2020-06-08 | 2020-10-30 | 湖北省丹江口丹传汽车传动轴有限公司 | Aluminum alloy transmission shaft assembly with composite structure and production method thereof |
| CN111853042B (en) * | 2020-06-08 | 2021-02-19 | 湖北省丹江口丹传汽车传动轴有限公司 | Aluminum alloy transmission shaft assembly with composite structure and production method thereof |
| CN112387922A (en) * | 2020-12-30 | 2021-02-23 | 南京信六加科技有限公司 | Metal ring forging equipment |
| CN112387922B (en) * | 2020-12-30 | 2021-07-30 | 青岛宏达锻压机械有限公司 | Metal ring forging equipment |
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