CN105363823A - Method for rolling aluminum alloy sheet forge pieces - Google Patents

Method for rolling aluminum alloy sheet forge pieces Download PDF

Info

Publication number
CN105363823A
CN105363823A CN201510867027.5A CN201510867027A CN105363823A CN 105363823 A CN105363823 A CN 105363823A CN 201510867027 A CN201510867027 A CN 201510867027A CN 105363823 A CN105363823 A CN 105363823A
Authority
CN
China
Prior art keywords
forging
aluminium alloy
plate shape
aluminum alloy
carry out
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
Application number
CN201510867027.5A
Other languages
Chinese (zh)
Inventor
占立水
苏海
杨国平
陈元奎
潘俊杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AVIC Guizhou Anda Aviation Forging Co Ltd
Original Assignee
Guizhou Anda Aviation Forging Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guizhou Anda Aviation Forging Co Ltd filed Critical Guizhou Anda Aviation Forging Co Ltd
Priority to CN201510867027.5A priority Critical patent/CN105363823A/en
Publication of CN105363823A publication Critical patent/CN105363823A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/02Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21HMAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00Making articles shaped as bodies of revolution
    • B21H1/06Making articles shaped as bodies of revolution rings of restricted axial length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/002Hybrid process, e.g. forging following casting

Abstract

The invention discloses a method for rolling an aluminum alloy sheet forge pieces. The method comprises the following steps: carrying out substituting forging to an aluminum alloy blank through three times of upsetting and three times of drawing; then carrying out upsetting, punching, trestle chambering and rolling on the aluminum alloy blank treated after substituting forging, so as to make a high-tube thin-wall ring part, wherein the inner diameter of the ring part is 85 percent to 90 percent of the outer diameter of the ring part in size; then using liner cutting to cut the high-tube thin-wall ring part into two half ring parts; and then straightening under a forging hammer, so as to obtain two sheet forge pieces. The method provided by the invention can effectively overcome defects of uneven thickness, poor structure uniformity, more forging times and the like on the forge pieces, the forge piece quality is improved, and the production efficiency is improved. The method provided by the invention is used for the production of the aluminum alloy sheet forge pieces.

Description

The milling method of aluminium alloy plate shape Forging
Technical field
The present invention relates to a kind of milling method of plate shape Forging, particularly relate to a kind of milling method of aluminium alloy plate shape Forging.
Background technology
Panel-like member is a kind of conventional structural member, at present for the shaping of this forging, is typically employed in open die forging mode, is namely forged by flat-die hammer, makes it become plate shape.The maximum shortcoming of this method is that this forging thickness is less, in the process forged, temperature declines too fast, resistance of deformation increases very fast, the thickness that every hammering is beaten is not identical, causes the in uneven thickness of most soleplate shape Forging, and due to each position distortions amount inconsistent, make the structural homogenity of forging poor, time forging of the many fire of usual needs, increases the consumption of the energy, also extends the production cycle.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of milling method of aluminium alloy plate shape Forging, produce sheet material forging, by adopting looping mill rolling mode, forging is made high cylinder circular thin-wall forging, shear stretching one-tenth plate shape Forging again, efficiently avoid in uneven thickness, the defect such as structural homogenity is poor, forging times is many of forging, improve the quality of forging, improve production efficiency.
For solving the problems of the technologies described above, the milling method of aluminium alloy plate shape Forging of the present invention, its technical scheme comprises the following steps:
Rods and bars of aluminium alloy by specification blanking is heated to 420 DEG C, is incubated by effective thickness × 4min/10mm; Three jumping-ups, pulling, round as a ball carrying out are adopted to change forging, air cooling after forging; Final forging temperature is more than or equal to 320 DEG C;
Reheating to 380 DEG C by changing the blank after forging, being incubated by effective thickness × 4min/10mm; Then carry out jumping-up, obtain solid cylinder; Carry out punching to solid cylinder again and obtain hollow cylinder, the internal diameter size of hollow cylinder is 30% ~ 40% of outside dimension;
Its internal diameter size is made to be 60% ~ 65% of outside dimension through saddle support reaming described hollow cylinder; And then upper looping mill, carry out finish to gauge and make its internal diameter size be 85% ~ 90% of outside dimension, make high cylinder thin-walled ring;
Adopt Linear cut to cut along the axis of high cylinder thin-walled ring, obtain two semicircle rings, then semicircle ring is heated to 100 DEG C ~ 120 DEG C, carries out stretching under forging hammer, obtain two plate shape Forgings.
The final forging temperature of described jumping-up, punching, saddle support reaming, looping mill rolling four steps all >=280 DEG C, as temperature < 280 DEG C, need to reheat to 380 DEG C, then carry out next step operation.
Described aluminium alloy is 2A70 alloy.
Compared with prior art, beneficial effect of the present invention is as follows:
The milling method of aluminium alloy plate shape Forging of the present invention, by adopting looping mill rolling mode, forging is made high cylinder circular thin-wall forging, shear stretching one-tenth plate shape Forging again, efficiently avoid in uneven thickness, the defect such as structural homogenity is poor, forging times is many of forging, improve the quality of forging, improve production efficiency.
This forging appearance and size is complete after testing.
This forging structural homogenity is better after testing.
The room temperature tensile properties of this forging after testing, its tensile strength is 420MPa ~ 435MPa (being greater than the 382MPa of design instructions for use), elongation after fracture was 13% ~ 17% (being greater than 5% of design instructions for use), and Brinell hardness is 125HB ~ 128HB (being greater than the 110HB of design instructions for use).
Above-mentioned testing result shows, adopts this forging property indices all to meet the requirements.
Detailed description of the invention
Implement the milling method of aluminium alloy plate shape Forging of the present invention, need to provide the equipment such as forge furnace, forcing press, looping mill, manipulator.With material trademark be below the aluminium alloy of 2A70 to illustrate embodiments of the present invention:
The chemical composition (percentage by weight) of this 2A70 alloy is: containing Cu amount 1.9% ~ 2.5%, containing Mg amount 1.4% ~ 1.8%, containing Fe amount 0.9% ~ 1.5%, ni content 0.9% ~ 1.5%, containing Ti amount 0.02% ~ 0.10%, containing Mn amount 0.20%, containing Zn amount 0.30%, si content 0.35%, other elements single≤0.05% and summation≤0.10%, surplus are Al.
The step of this method is as follows:
Rods and bars of aluminium alloy by specification blanking is heated to 420 DEG C, is incubated by effective thickness × 4min/10mm; Three jumping-ups, pulling, round as a ball carrying out are adopted to change forging, air cooling after forging; Final forging temperature is more than or equal to 320 DEG C;
Reheating to 380 DEG C by changing the blank after forging, being incubated by effective thickness × 4min/10mm; Then carry out jumping-up, obtain solid cylinder; Carry out punching to solid cylinder again and obtain hollow cylinder, the internal diameter size of hollow cylinder is 30% ~ 40% of outside dimension;
Its internal diameter size is made to be 60% ~ 65% of outside dimension through saddle support reaming described hollow cylinder; And then upper looping mill, carry out finish to gauge and make its internal diameter size be 85% ~ 90% of outside dimension, make high cylinder thin-walled ring;
Adopt Linear cut to cut along the axis of high cylinder thin-walled ring, obtain two semicircle rings, then semicircle ring is heated to 100 DEG C ~ 120 DEG C, carries out stretching under forging hammer, obtain two plate shape Forgings.
The final forging temperature of described jumping-up, punching, saddle support reaming, looping mill rolling four steps all >=280 DEG C, as temperature < 280 DEG C, need to reheat to 380 DEG C, then carry out next step operation.

Claims (3)

1. a milling method for aluminium alloy plate shape Forging, is characterized in that, comprises the following steps:
Rods and bars of aluminium alloy by specification blanking is heated to 420 DEG C, is incubated by effective thickness × 4min/10mm; Three jumping-ups, pulling, round as a ball carrying out are adopted to change forging, air cooling after forging; Final forging temperature is more than or equal to 320 DEG C;
Reheating to 380 DEG C by changing the blank after forging, being incubated by effective thickness × 4min/10mm; Then carry out jumping-up, obtain solid cylinder; Carry out punching to solid cylinder again and obtain hollow cylinder, the internal diameter size of hollow cylinder is 30% ~ 40% of outside dimension;
Its internal diameter size is made to be 60% ~ 65% of outside dimension through saddle support reaming described hollow cylinder; And then upper looping mill, carry out finish to gauge and make its internal diameter size be 85% ~ 90% of outside dimension, make high cylinder thin-walled ring;
Adopt Linear cut to cut along the axis of high cylinder thin-walled ring, obtain two semicircle rings, then semicircle ring is heated to 100 DEG C ~ 120 DEG C, carries out stretching under forging hammer, obtain two plate shape Forgings.
2. the milling method of aluminium alloy plate shape Forging according to claim 1, is characterized in that, described aluminium alloy is 2A70 alloy.
3. the milling method of aluminium alloy plate shape Forging according to claim 1 and 2, it is characterized in that, the final forging temperature of described jumping-up, punching, saddle support reaming, looping mill rolling four steps all >=280 DEG C, as temperature < 280 DEG C, need to reheat to 380 DEG C, then carry out next step operation.
CN201510867027.5A 2015-12-02 2015-12-02 Method for rolling aluminum alloy sheet forge pieces Pending CN105363823A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510867027.5A CN105363823A (en) 2015-12-02 2015-12-02 Method for rolling aluminum alloy sheet forge pieces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510867027.5A CN105363823A (en) 2015-12-02 2015-12-02 Method for rolling aluminum alloy sheet forge pieces

Publications (1)

Publication Number Publication Date
CN105363823A true CN105363823A (en) 2016-03-02

Family

ID=55366733

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510867027.5A Pending CN105363823A (en) 2015-12-02 2015-12-02 Method for rolling aluminum alloy sheet forge pieces

Country Status (1)

Country Link
CN (1) CN105363823A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106363115A (en) * 2016-08-31 2017-02-01 无锡派克新材料科技股份有限公司 Novel ultrahigh taper ring rolling method
CN107443023A (en) * 2017-08-31 2017-12-08 武汉理工大学 A kind of flexible processing method with muscle thin-walled large aluminum alloy cylinder
CN108237197A (en) * 2017-12-07 2018-07-03 陕西宏远航空锻造有限责任公司 A kind of forging method for improving the flaw detection of structural steel large-sized ring part
CN108435821A (en) * 2018-02-02 2018-08-24 国机金属江苏有限公司 A kind of thin square plate forging method
CN109175891A (en) * 2018-08-22 2019-01-11 昆山吉昌橡塑有限公司 The anti-corrugation production technology of large-scale hoistway featheredge flanged joint ring
CN111644548A (en) * 2020-06-12 2020-09-11 无锡派克新材料科技股份有限公司 Forging-modifying technology for high-strength homogeneous aluminum alloy forging for spaceflight

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02127918A (en) * 1988-11-04 1990-05-16 Yasuyoshi Fukui Manufacture of plate-like inclining function material applying centrifugal casting method and unbending working method
JP2000190020A (en) * 1998-12-22 2000-07-11 Kobe Steel Ltd Manufacture of plate and bar and manufacture of welded groove tube
CN101823112A (en) * 2010-05-20 2010-09-08 二重集团(德阳)重型装备股份有限公司 Forging process of plate element
CN104191166A (en) * 2014-08-04 2014-12-10 贵州航宇科技发展股份有限公司 Rolling forming method of aluminum alloy high-tube thin-wall rings
CN104368621A (en) * 2014-10-30 2015-02-25 西安航天动力机械厂 Manufacturing method of metal plate
CN104438419A (en) * 2014-10-24 2015-03-25 无锡市派克重型铸锻有限公司 Forging forming process of high barrel-shaped aluminum alloy forged piece

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02127918A (en) * 1988-11-04 1990-05-16 Yasuyoshi Fukui Manufacture of plate-like inclining function material applying centrifugal casting method and unbending working method
JP2000190020A (en) * 1998-12-22 2000-07-11 Kobe Steel Ltd Manufacture of plate and bar and manufacture of welded groove tube
CN101823112A (en) * 2010-05-20 2010-09-08 二重集团(德阳)重型装备股份有限公司 Forging process of plate element
CN104191166A (en) * 2014-08-04 2014-12-10 贵州航宇科技发展股份有限公司 Rolling forming method of aluminum alloy high-tube thin-wall rings
CN104438419A (en) * 2014-10-24 2015-03-25 无锡市派克重型铸锻有限公司 Forging forming process of high barrel-shaped aluminum alloy forged piece
CN104368621A (en) * 2014-10-30 2015-02-25 西安航天动力机械厂 Manufacturing method of metal plate

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106363115A (en) * 2016-08-31 2017-02-01 无锡派克新材料科技股份有限公司 Novel ultrahigh taper ring rolling method
CN107443023A (en) * 2017-08-31 2017-12-08 武汉理工大学 A kind of flexible processing method with muscle thin-walled large aluminum alloy cylinder
CN108237197A (en) * 2017-12-07 2018-07-03 陕西宏远航空锻造有限责任公司 A kind of forging method for improving the flaw detection of structural steel large-sized ring part
CN108435821A (en) * 2018-02-02 2018-08-24 国机金属江苏有限公司 A kind of thin square plate forging method
CN108435821B (en) * 2018-02-02 2020-04-03 国机金属江苏有限公司 Thin square plate forging method
CN109175891A (en) * 2018-08-22 2019-01-11 昆山吉昌橡塑有限公司 The anti-corrugation production technology of large-scale hoistway featheredge flanged joint ring
CN111644548A (en) * 2020-06-12 2020-09-11 无锡派克新材料科技股份有限公司 Forging-modifying technology for high-strength homogeneous aluminum alloy forging for spaceflight
CN111644548B (en) * 2020-06-12 2022-04-01 无锡派克新材料科技股份有限公司 Forging-modifying technology for high-strength homogeneous aluminum alloy forging for spaceflight

Similar Documents

Publication Publication Date Title
CN105363823A (en) Method for rolling aluminum alloy sheet forge pieces
CN106583491B (en) A kind of manufacturing method of Cr-Ni-Mo-Nb nickel-base alloy seamless pipe
CN105397000A (en) Rolling method of titanium alloy plate-shaped forgings
CN104139141A (en) Equiaxed grain forging forming method for titanium alloy ring piece
CN105506525B (en) Preparation method of Ti2AlNb-based alloy large-size uniform fine-grain bar
CN100584482C (en) Method for rolling and shaping titanium alloy special-shaped ring forging
CN108746447B (en) Manufacturing process of high-strength corrosion-resistant aluminum alloy forging
WO2012147742A1 (en) Fabrication method for stepped forged material
CN103522007A (en) Method for manufacturing TC25 titanium alloy ring piece
CN102764838A (en) Gear thermal precision forging machining process adopting carburizing steel 20CrMnTi as material
CN107999687A (en) A kind of aluminium alloy vane forging and preparation method thereof
CN104451490A (en) Method for preparing ultrafine grain titanium alloy by using alpha&#39;&#39; orthorhombic martensite microstructure
CN109248980A (en) The manufacturing method of GH4169 alloy bar material
CN103350167A (en) Roll forming method of 4340 H steel E-shaped ring forging
CN103846305A (en) Preparation machining method of large-diameter pipe material and special-shaped pipe fitting
CN107345290B (en) A kind of manufacturing method of TC4 titanium alloy thin wall ring
CN109822024A (en) A kind of forging and heat treatment process of 750 DEG C of grades high temperature alloy forging
CN105397417A (en) Rolling method of high-temperature alloy plate shaped forging
CN105112831A (en) Method for preparing BT5-1 titanium alloy ring material used in low-temperature environment
CN105441713A (en) A titanium alloy seamless tube and a manufacturing method thereof
CN104338882B (en) The forming method of generation Ⅲ nuclear power cooling medium pump motor casing forging
CN105039886B (en) Method for preparing Zr-2.5Nb alloy rod with uniform small structure phase
CN103008995B (en) A kind of forming method of aerospace fuel high strength titanium alloy gas cylinder
CN107012363A (en) A kind of manufacturing process of TC4 titanium alloy oil well pipes
CN108237197B (en) A kind of forging method improving the flaw detection of structural steel large-sized ring part

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160302

WD01 Invention patent application deemed withdrawn after publication