CN107745028A - The high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale and control method - Google Patents
The high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale and control method Download PDFInfo
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- CN107745028A CN107745028A CN201711076779.5A CN201711076779A CN107745028A CN 107745028 A CN107745028 A CN 107745028A CN 201711076779 A CN201711076779 A CN 201711076779A CN 107745028 A CN107745028 A CN 107745028A
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- rare earth
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- high magnesium
- fagging
- large scale
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- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/14—Spinning
- B21D22/16—Spinning over shaping mandrels or formers
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- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Abstract
The present invention relates to a kind of high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale and control method, for the design feature and its material property of high magnesium-rare earth tubular spinning part, devise special rotary pressure deformation Uniformity of Temperature Field regulation and control frock, using with centre bore spinning mold+structure design with heating tube hollow circular steelframe+hold-down bolt+tail top, high magnesium-rare earth cylinder base its deformed area during whole rotary pressure deformation is set to obtain Bidirectional heating effect, realize the uniformity in its wheel journey deformed area temperature field, reduce or eliminate in high magnesium-rare earth cylinder base deformed area, the thermograde of outer wall, avoid the appearance of spinning crackle, the forming quality and forming accuracy of the high magnesium-rare earth tubular spinning part of large scale are ensured.Operating process of the present invention is simple, efficient, is suitable for batch processing, has stronger operability and practicality.
Description
Technical field
The present invention relates to a kind of high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale and controlling party
Method, belongs to nacelle manufacturing technology field, and described large scale refers to the internal diameter of cylindrical member not less than the mm of Φ 750, the height of cylindrical member
Degree is not less than 600mm, and high rare earth refers to that the mass content of magnesium alloy rare earth elements is not less than 10% (mass percent), temperature
The control of degree field refers to regulate and control the Uniformity of Temperature Field of its deformed area during coupling barrel, that is, ensures magnesium alloy cylinder
Shape part inside and outside wall temperature in its deformed area during whole rotary pressure deformation is basically identical, and magnesium alloy cylindrical member is entirely being revolved
Its deformed area temperature control is in the range of 440~470 DEG C during compressive strain.
Background technology
The long-range air-to-surface missile whole process of a new generation of China is flown in endoatmosphere hypersonic maneuver, for stand-off missle to enemy
The quick precision strike of the targets such as ground/underground high pay-off target, big-and-middle-sized surface ship, guided missile have flying speed fast, prominent
Anti- ability is strong, injures the features such as power is big.Because aircraft is strict to taking bullet weight demands, and range is big compared to existing guided missile
Width increase, therefore, very urgent is required to the loss of weight of the key members such as guided missile nacelle.To meet that the lightweight of guided missile nacelle will
Ask, it proposes demand to the high magnesium-rare earth cylindrical member of large scale high-performance.
For internal diameter >=Ф 750mm, height >=600mm, the wall thickness≤5mm high magnesium-rare earth cylinder of large scale high-performance
Shape part, typically prepared using ring-machining process, this method has following deficiency：Big specification magnesium alloy ring exists
It will appear from looping mill rolling, extrusion process than more serious Mechanical Property Anisotropy problem, and above mentioned problem is follow-up
It can not be improved in heat treatment and mechanical processing process, therefore, above-mentioned phenomenon will extend to final magnesium alloy tubular
Part；In addition, by being machined shaping be high magnesium-rare earth cylindrical member by ring, also there is that stock utilization is extremely low, product
Cost is too high, under low production efficiency a series of problems, such as.
Preparing the high magnesium-rare earth cylindrical member of large scale high-performance using spinning forming process can solve the above problems,
Reach and stock utilization is substantially improved, reduces product cost, improve production efficiency, slowing down anisotropy and notable fine grain is strong
The purpose of change.But there is following difficult point in the shaping of magnesium alloy coupling barrel：Due to magnesium alloy at room temperature plastic deformation ability compared with
Difference, it is therefore necessary at relatively high temperatures carry out heat rotation shaping, and under high temperature heat rotation during its deformed area Uniformity of Temperature Field
It can not ensure, easily cause the inside and outside wall of magnesium alloy cylinder base larger thermograde occur, so as to the situation of spiral cleavage occur, cause
Component is directly scrapped.The experience of prior art is to use spray gun hot spinning mould first, and cylinder base then is fixed on into spinning block
Start spinning and the cartridge heater base outer wall in wheel journey on tool, this method cylinder base inwall can only be passed by its outer wall and mould
The mode for leading waste heat compensates heating, and the thermograde of the inside and outside wall of cylinder base is larger, causes magnesium alloy cylindrical member deformed area temperature
It is uneven to spend field, spinning crackle easily occurs, has had a strong impact on the forming quality and forming accuracy of magnesium alloy cylindrical member.
The content of the invention
It is an object of the invention to improve, solve the deficiencies in the prior art part, there is provided a kind of high rare earth magnesium of large scale is closed
Golden coupling barrel deformation temperature field control frock and control method, so as to ensure that high magnesium-rare earth cylindrical member is entirely being revolved
The uniformity in its deformed area temperature field during compressive strain, slow down or eliminate the inside and outside wall of magnesium alloy cylindrical member in wheel journey
Thermograde, avoid the phenomenon for spinning crackle occur, ensured the high magnesium-rare earth cylindrical member of large scale forming quality and
Forming accuracy.
What the above-mentioned purpose of the present invention was mainly achieved by following technical solution：
The high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale, the frock include spinning mold, spoke
Penetrate heater and tail top；
Described spinning mold is the hollow cylinder with centre bore, and tail top is fixedly connected on radiant heating device, spinning
During, radiant heating device and tail top are arranged in the centre bore of spinning mold.
The hollow cylinder with centre bore of spinning mold is defined as the first hollow cylinder, the bottom band of the first hollow cylinder
There is bealock, the bealock is used to be attached with spinning machine, and the external diameter of the first hollow cylinder is interior with high magnesium-rare earth cylinder base
Footpath matches, and high magnesium-rare earth cylinder base is sleeved on the first hollow cylinder.
The external diameter of first hollow cylinder is 750~800mm of Φ, and the height of the first hollow cylinder is 800~900 mm, first
The center-hole diameter of hollow cylinder is 500~550mm of Φ, and the depth of the first hollow cylinder centre bore is 400~600mm.
Described radiant heating device includes the first fagging, heating tube and the second fagging, and control is carried on radiant heating device
Incubator；Heating tube is fixedly connected between the first fagging and the second fagging.
The profile of first fagging and the second fagging is identical with dimensions, and its diameter is 400~500mm of Φ,
Its thickness is 20~40mm, and 12 circular holes have been respectively uniformly distributed on the first fagging and the second fagging and its center of circle is one
On individual concentric circles, the distance of each point and the first fagging or the second fagging outer most edge is 20~40mm on this concentric circles, and first supports
The diameter of 12 circular holes is 16~24mm of Φ on plate and the second fagging.
Heating tube is solid cylinder and both ends are threaded, and the quantity of solid cylinder is 12 and its diameter and the first support
The diameter of circular hole matches on plate and the second fagging, and the total length of solid cylinder is 400~600 mm, the spiral shell of solid cylinder both sides
Line length is 15~20mm.
Described tail top is the assembly with solid-cone section and the second hollow cylinder, solid-cone section and the second open circles
Post is formed in one, and the end diameter of solid-cone section is consistent with the diameter of the second hollow cylinder, during the second hollow cylinder carries
Heart hole.
A diameter of 200~300mm of Φ of section bottom, a diameter of 100~120mm of Φ on cone section top are bored, bores the height of section
For 40~60mm；
A diameter of 100~120mm of Φ of second hollow cylinder, are highly 150~200mm, a diameter of Φ 40 of centre bore
~60mm, depth are 100~120mm；
The bottom on tail top is fixedly connected by hold-down bolt with the second fagging.
Spinning mold, radiant heating device, hold-down bolt and the material on tail top use A3 steel.
The high magnesium-rare earth coupling barrel deformation temperature field control method of large scale, comprises the following steps：
Step (1), rotary pressure deformation Temperature Field Control frock is attached：Tail top and radiant heating device are fixed and connected
It is connected together, screw-down torque is 20~30Nm, and then the centre bore on tail top is sleeved on the tail push rod of spinning machine, from
And realize and the overall tail ejection device with spinning machine of radiant heating device and tail top links together；
Step (2), high magnesium-rare earth cylinder base is inserted in heat-treatment furnace and integrally preheated, holding temperature is 300~350
DEG C, soaking time is 1.5~2h, and after preheating terminates, high magnesium-rare earth cylinder base is come out of the stove；
Step (3), spinning mold is fixedly mounted on spinning machine by bealock, using oxy-acetylene spray gun to rotation
Compression mould is preheated, and the heat time is 30~40min, untill when the temperature of spinning mold reaches 100~150 DEG C；
Step (4), the high magnesium-rare earth cylinder base after being preheated by step (2) are consolidated along the top of spinning mold
Dingan County is mounted on the spinning mold after being preheated by step (3)；
Step (5), start spinning, when the spinning roller of spinning machine contacts with high magnesium-rare earth cylinder base, radiation is added
Thermal is extend into the centre bore of spinning mold by spinning machine tail ejection device, starts radiant heating, until by high rare earth
The rotation of magnesium alloy cylinder base is made as the high magnesium-rare earth tubular spinning part of required large scale；
Step (6), after spinning terminates, the high magnesium-rare earth tubular spinning part of large scale is separated with spinning mold, so
After insert in tank and cooled down；Then the high magnesium-rare earth tubular spinning part of large scale after cooling is put into heat treatment
Ageing Treatment is carried out in stove, aging temp is 220~260 DEG C, and soaking time is 6~8h；
Step (7), by by the high magnesium-rare earth tubular spinning part of large scale after step (6) completion of prescription from heat
Taken out in treatment furnace, the high magnesium-rare earth cylindrical member of large scale high-performance is obtained after being cooled to room temperature.
The present invention has the advantages that compared with prior art：
(1) present invention is directed to the design feature and its material property of the high magnesium-rare earth cylindrical member of large scale high-performance, if
Counted rotary pressure deformation Uniformity of Temperature Field control frock, using band centre bore spinning mold+band heating tube hollow circular steelframe+
The structure design on hold-down bolt+tail top so that high magnesium-rare earth cylinder base its deformed area during whole rotary pressure deformation obtains
Bidirectional heating effect, the thermograde of the inside and outside wall of deformed area cylinder base is reduced or eliminated, has ensured deformed area in wheel journey
Uniformity of Temperature Field, be favorably improved the forming quality and forming accuracy of the high magnesium-rare earth tubular spinning part of large scale.
(2) rotary pressure deformation Uniformity of Temperature Field of the present invention control frock, can be applied to by regulation heating tube voltage and
Electric current adjusts radiations heat energy in real time, so as to realize the accuracy controlling to high magnesium-rare earth cylinder base deformed area inner wall temperature.
(3) rotary pressure deformation Uniformity of Temperature Field control frock of the present invention, can freely stretching by spinning machine tail ejection device
Contracting adjusts its radiant heating position in real time, so that high magnesium-rare earth cylinder base deformed area inwall can obtain in wheel journey
Obtain radiant heating effect well.
(4) spoke is passed through using spray gun hot spinning mould and the outer wall of cylinder base, the inwall of cylinder base in method of the invention
Compensation heating is penetrated, makes the deformed region uniform temperature fields of a base, the inside and outside wall of cylinder base is not in larger thermograde, is avoided
The situation of spiral cleavage occurs.
(5) rotary pressure deformation Temperature Field Control frock of the present invention, assembling process is simple, efficient, is suitable for batch processing.
(6) the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale high-performance of the present invention and control
Method, process is simple, has stronger operability and practicality.
(7) the present invention relates to a kind of high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale and control
Method processed, for the design feature and its material property of high magnesium-rare earth tubular spinning part, devise special rotary pressure deformation temperature
Spend field uniformity regulation and control frock, using with centre bore spinning mold+with heating tube hollow circular steelframe+hold-down bolt+tail top
Structure design, high magnesium-rare earth cylinder base its deformed area during whole rotary pressure deformation is obtained Bidirectional heating effect, realize
The uniformity in its wheel journey deformed area temperature field, reduces or eliminates the inside and outside wall in high magnesium-rare earth cylinder base deformed area
Thermograde, avoid the appearance of spinning crackle, ensured the high magnesium-rare earth tubular spinning part of large scale forming quality and
Forming accuracy.Operating process of the present invention is simple, efficient, is suitable for batch processing, has stronger operability and practicality.
Brief description of the drawings
Fig. 1 a are the structural representation of spinning mold；
Fig. 1 b are the structural representation of spinning mold；
Fig. 2 is the structural representation of radiant heating device；
Fig. 3 is the connection diagram on radiant heating device and tail top；
The connection diagram that Fig. 4 is radiant heating device and tail top passes through bolt；
Fig. 5 is the structural representation on tail top.
Embodiment
Large scale high magnesium-rare earth coupling barrel deformation temperature field control frock, the frock include spinning mold 1,
Radiant heating device 3, hold-down bolt 4 and tail top 5；Spinning mold 1, radiant heating device 3, hold-down bolt 4 and tail top 5
Material use A3 steel；
As illustrated in figs. 1A and ib, described spinning mold 1 is the first hollow cylinder with centre bore, the first open circles
The bottom of post carries bealock, and the bealock is used to be attached with spinning machine, and the external diameter of the first hollow cylinder closes with high rare earth magnesium
The internal diameter of golden cylinder base 2 matches, and high magnesium-rare earth cylinder base 2 is sleeved on the first hollow cylinder；
The external diameter of first hollow cylinder is 750~800mm of Φ, and the height of the first hollow cylinder is 800~900 mm, first
The center-hole diameter of hollow cylinder is 500~550mm of Φ, and the depth of the first hollow cylinder centre bore is 400~600mm；
It is its bottom to provide first hollow cylinder bealock one end, and the other end of the first hollow cylinder is its top；
As shown in Figure 2, Figure 3 and Figure 4, described radiant heating device 3 is the first fagging of band 6, heating tube 7, the second fagging
8 and the hollow circular steelframe of clamp nut 9；Temperature-controlled box is carried on radiant heating device 3, can be by adjusting the electricity of temperature-controlled box
Pressure, the temperature of electric current button real-time monitoring heating tube 7.
The follow-up fagging not being connected with hold-down bolt 4 and tail top 5 of regulation is the first fagging 6, and with hold-down bolt 4 and
The fagging that tail top 5 is connected is the second fagging 8.
First fagging 6 and the profile of the second fagging 8 are identical with dimensions, its diameter be Φ 400~
500mm, its thickness are 20~40mm.12 circular holes have been respectively uniformly distributed on first fagging 6 and the second fagging 8 and it is justified
The heart is on a concentric circles, and the distance of each point and first fagging 6 (or second fagging 8) outer most edge is 20 on this concentric circles
The diameter of 12 circular holes is 16~24mm of Φ on~40mm, the first fagging 6 and the second fagging 8.
Heating tube 7 is solid cylinder and both ends are threaded, and the quantity of solid cylinder is 12 and its diameter and the first support
The diameter of circular hole matches on the fagging 8 of plate 6 and second, and the total length of solid cylinder is 400~600mm, solid cylinder both sides
Reach is 15~20mm.
Clamp nut 9 is six-sided nut, and quantity is 24, its diameter of thread and the diameter of thread phase of the both sides of heating tube 7
Matching.
The installation process of radiant heating device 3 is as follows：The both sides screw thread of heating tube 7 is each passed through the first fagging 6 and second
Corresponding circle hole on fagging 8, the fagging 6 of heating tube 7 and first and the second fagging 8 are fixed together by clamp nut 9.
Described hold-down bolt 4 is hexagon-headed bolt, and its reach is 60~80mm, as shown in Figure 4.
As shown in figure 5, described tail top 5 is the assembly with solid-cone section and the second hollow cylinder, solid-cone section and
Second hollow cylinder is formed in one, and the end diameter of solid-cone section is consistent with the diameter of the second hollow cylinder, and second is hollow
Cylinder carries centre bore.
The side of the connection of the second faggings of regulation cone Duan Zhongyu 8 is the bottom on tail top 5, is connected with the second hollow cylinder
Side is the top of cone section.Wherein bore a diameter of 200~300mm of Φ of section bottom, a diameter of Φ 100 on cone section top~
120mm, the height for boring section are 40~60mm.
A diameter of 100~120mm of Φ of second hollow cylinder, are highly 150~200mm, a diameter of Φ 40 of centre bore
~60mm, depth are 100~120mm；
The bottom on tail top 5 is fixedly connected by hold-down bolt 4 with the second fagging 8.
The high magnesium-rare earth coupling barrel deformation temperature field control method of large scale, comprises the following steps：
Rotary pressure deformation Temperature Field Control frock is attached by step (1)：Tail top 5 and radiant heating device 3 are passed through
Hold-down bolt 4 is fixed together, and screw-down torque is 20~30Nm.Then the centre bore on tail top 5 is sleeved on into spinning to set
On standby tail push rod, radiant heating device 3, hold-down bolt 4 and the entirety of tail top 5 and the tail top of spinning machine are filled so as to realize
Put and link together；
High magnesium-rare earth cylinder base 2 is inserted in heat-treatment furnace and integrally preheated by step (2), and holding temperature is 300~350
DEG C, soaking time is 1.5~2h, and after preheating terminates, high magnesium-rare earth cylinder base 2 is come out of the stove；
Spinning mold 1 is fixedly mounted on spinning machine by step (3) by bealock, using oxy-acetylene spray gun to rotation
Compression mould 1 is preheated, and the heat time is 30~40min, untill when the temperature of spinning mold 1 reaches 100~150 DEG C；
High magnesium-rare earth cylinder base 2 after step (4) will be preheated by step (2) is consolidated along the top of spinning mold 1
Dingan County is mounted on the spinning mold 1 after being preheated by step (3)；
Step (5) starts spinning, and when the spinning roller of spinning machine contacts with high magnesium-rare earth cylinder base 2, radiation is added
Thermal 3 is extend into the centre bore of spinning mold 1 by spinning machine tail ejection device, starts radiant heating, until will be high dilute
The native rotation of magnesium alloy cylinder base 2 is made as the high magnesium-rare earth tubular spinning part 10 of required large scale.
Radiant heating device 3 vacantly extend into the centre bore of spinning mold 1 by the pressure of spinning machine tail ejection device transmission
Interior, heat caused by heating tube 7 is radiated on the inwall of the centre bore of spinning mold 1, and by spinning mold 1 to high rare earth
The inner wall deformation block transitive heat of magnesium alloy cylinder base 2；And the outer wall deformed area of high magnesium-rare earth cylinder base 2 then passes through oxy-acetylene
Spray gun continued compensation heats, so that the deformed area of high magnesium-rare earth cylinder base 2 obtains the effect of Bidirectional heating, is ensured with this
The Uniformity of Temperature Field of the high deformed area of magnesium-rare earth cylinder base 2, reduce or eliminate the high deformed area of magnesium-rare earth cylinder base 2
The thermograde of inside and outside wall, spinning crackle is avoided the occurrence of, ensured the forming quality of the high magnesium-rare earth cylindrical member of large scale
And forming accuracy.
During the whole rotary pressure deformation of magnesium alloy cylindrical member, high rare earth magnesium is monitored in real time using infrared temperature measurement apparatus
The temperature field of the deformed area of alloy cylinder base 2, it is ensured that it is maintained in the range of 440~470 DEG C.If high magnesium-rare earth cylinder base 2 deforms
The temperature of area's outer wall is higher than said temperature scope, then the flame of oxy-acetylene spray gun is deformed away from high magnesium-rare earth cylinder base 2
Area's outer wall, otherwise, then take opposite measure；If the temperature of the high deformed area inwall of magnesium-rare earth cylinder base 2 is higher than said temperature
Scope, then the heat that it is radiated to the inwall of spinning mold 1 is reduced by reducing the voltage and current applied to heating tube 7, entered
And the inwall of spinning mold 1 is reduced to the heat of the high inner wall deformation block transitive of magnesium-rare earth cylinder base 2, otherwise, then take opposite
Measure.In addition, spinning machine tail ejection device can adjust the position of radiant heating device 3 in real time by freely stretching, it is true with this
Guarantor is respectively provided with good radiant heating effect in wheel journey to the high deformed area inwall of magnesium-rare earth cylinder base 2.
After step (6) spinning terminates, the high magnesium-rare earth tubular spinning part 10 of large scale is separated with spinning mold 1,
Then insert in tank and cooled down；Then the high magnesium-rare earth tubular spinning part 10 of large scale after cooling is put into heat
Ageing Treatment is carried out in treatment furnace, aging temp is 220~260 DEG C, and soaking time is 6~8h；
Step (7) by by the high magnesium-rare earth tubular spinning part 10 of large scale after step (6) completion of prescription from heat
Taken out in treatment furnace, the high magnesium-rare earth cylindrical member of large scale high-performance is obtained after being cooled to room temperature.
A kind of high magnesium-rare earth coupling barrel deformation temperature field of large scale controls frock and control method, its feature
It is to comprise the following steps：
Large scale high magnesium-rare earth coupling barrel deformation temperature field control frock, the frock include spinning mold 1,
Radiant heating device 3, hold-down bolt 4 and tail top 5；Spinning mold 1, radiant heating device 3, hold-down bolt 4 and tail top 5
Material use A3 steel；
Described spinning mold 1 is the first hollow cylinder with centre bore, its external diameter and high magnesium-rare earth cylinder base 2
Internal diameter matches, and high magnesium-rare earth cylinder base 2 is sleeved on the first hollow cylinder；Wherein, the external diameter of the first hollow cylinder is Φ
750~800mm, its height are 800~900mm, and its center-hole diameter is 500~550mm of Φ, and the depth of its centre bore is 400
~600mm；
Described radiant heating device 3 is the sky of the first fagging of band 6, heating tube 7, the second fagging 8 and clamp nut 9
Thimble shaped steel frame；Temperature-controlled box is carried on radiant heating device 3, can be by adjusting voltage, the electric current button real-time monitoring of temperature-controlled box
The temperature of heating tube 7；Wherein, the first fagging 6 is identical with dimensions with the profile of the second fagging 8 and diameter is
400~500mm of Φ, its thickness are 20~40 mm.12 circular holes have been respectively uniformly distributed on first fagging 6 and the second fagging 8
And its center of circle is on a concentric circles, the distance of each point and first fagging 6 (or second fagging 8) outer most edge on this concentric circles
It is 20~40mm, the diameter of 12 circular holes is 16~24mm of Φ on the first fagging 6 and the second fagging 8；Heating tube 7 is real
Heart cylinder and both ends are threaded, its quantity are the diameter phase of 12 and diameter and circular hole on the first fagging 6 and the second fagging 8
Matching, the total length of solid cylinder is 400~600mm, and the reach of solid cylinder both sides is 15~20mm；Fasten spiral shell
Mother 9 is six-sided nut, and its quantity is 24 and the diameter of thread and the diameter of thread of the both sides of heating tube 7 match.
The installation process of radiant heating device 3 is as follows：The both sides screw thread of heating tube 7 is each passed through the first fagging 6 and second
Corresponding circle hole on fagging 8, the fagging 6 of heating tube 7 and first and the second fagging 8 are fixed together by clamp nut 9.
Described hold-down bolt 4 is hexagon-headed bolt, and its reach is 60~80mm, as shown in Figure 4.
Described tail top 5 is the assembly with solid-cone section and the second hollow cylinder, the end diameter of solid-cone section with
The diameter of second hollow cylinder is consistent, and the second hollow cylinder carries centre bore.Wherein, bore a diameter of Φ 200 of section bottom~
300mm, a diameter of 100~120mm of Φ on cone section top, the height for boring section is 40~60mm；Second hollow cylinder it is a diameter of
100~120mm of Φ, its height are 150~200mm, and a diameter of 40~60mm of Φ of its centre bore, its depth of center hole is 100
~120mm.
The bottom on tail top 5 is fixedly connected by hold-down bolt 4 with the second fagging 8.
The high magnesium-rare earth coupling barrel deformation temperature field control method of large scale, comprises the following steps：
Rotary pressure deformation Temperature Field Control frock is attached by step (1)：Tail top 5 and radiant heating device 3 are passed through
Hold-down bolt 4 is fixed together, and screw-down torque is 20~30Nm.Then the centre bore on tail top 5 is sleeved on into spinning to set
On standby tail push rod, radiant heating device 3, hold-down bolt 4 and the entirety of tail top 5 and the tail top of spinning machine are filled so as to realize
Put and link together；
High magnesium-rare earth cylinder base 2 is inserted in heat-treatment furnace and integrally preheated by step (2), and holding temperature is 300~350
DEG C, soaking time is 1.5~2h, and after preheating terminates, high magnesium-rare earth cylinder base 2 is come out of the stove；
Spinning mold 1 is fixedly mounted on spinning machine by step (3) by bealock, using oxy-acetylene spray gun to rotation
Compression mould 1 is preheated, and the heat time is 30~40min, untill when the temperature of spinning mold 1 reaches 100~150 DEG C；
High magnesium-rare earth cylinder base 2 after step (4) will be preheated by step (2) is consolidated along the top of spinning mold 1
Dingan County is mounted on the spinning mold 1 after being preheated by step (3)；
Step (5) starts spinning, and when the spinning roller of spinning machine contacts with high magnesium-rare earth cylinder base 2, radiation is added
Thermal 3 is extend into the centre bore of spinning mold 1 by spinning machine tail ejection device, starts radiant heating, until will be high dilute
The native rotation of magnesium alloy cylinder base 2 is made as the high magnesium-rare earth tubular spinning part 10 of required large scale；
After step (6) spinning terminates, the high magnesium-rare earth tubular spinning part 10 of large scale is separated with spinning mold 1,
Then insert in tank and cooled down；Then the high magnesium-rare earth tubular spinning part 10 of large scale after cooling is put into heat
Ageing Treatment is carried out in treatment furnace, aging temp is 220~260 DEG C, and soaking time is 6~8h；
Step (7) by by the high magnesium-rare earth tubular spinning part 10 of large scale after step (6) completion of prescription from heat
Taken out in treatment furnace, the high magnesium-rare earth cylindrical member of large scale high-performance is obtained after being cooled to room temperature.
The present invention provides a kind of high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale and controlling party
Method, special rotary pressure deformation Uniformity of Temperature Field regulation and control frock is devised, and the frock uses band centre bore spinning mold+band to add
The structure design on heat pipe hollow circular steelframe+hold-down bolt+tail top, high magnesium-rare earth cylindrical member is realized in whole spinning
The uniformity in its deformed area temperature field in deformation process, reduce or eliminate high magnesium-rare earth cylinder base in wheel journey its
The thermograde of the inside and outside wall in deformed area, avoids the appearance of spinning crackle, has ensured the high magnesium-rare earth tubular rotation of large scale
The forming quality and forming accuracy of casting die.
Large scale high magnesium-rare earth coupling barrel deformation temperature field control frock, the frock include spinning mold 1,
Radiant heating device 3, hold-down bolt 4 and tail top 5；Spinning mold 1, radiant heating device 3, hold-down bolt 4 and tail top 5
Material use A3 steel；
Described spinning mold 1 is the first hollow cylinder with centre bore, and the bottom of the first hollow cylinder carries bealock,
The bealock is used to be attached with spinning machine, the internal diameter phase of the external diameter of the first hollow cylinder and high magnesium-rare earth cylinder base 2
Match somebody with somebody, high magnesium-rare earth cylinder base 2 is sleeved on the first hollow cylinder (as shown in accompanying drawing 1a and Fig. 1 b)；
The external diameter of first hollow cylinder is 750~800mm of Φ, and the height of the first hollow cylinder is 800~900 mm, first
The center-hole diameter of hollow cylinder is 500~550mm of Φ, and the depth of the first hollow cylinder centre bore is 400~600mm；
It is its bottom to provide first hollow cylinder bealock one end, and the other end of the first hollow cylinder is its top；
Described radiant heating device 3 is the sky of the first fagging of band 6, heating tube 7, the second fagging 8 and clamp nut 9
Thimble shaped steel frame.Temperature-controlled box is carried on radiant heating device 3, can be by adjusting voltage, the electric current button real-time monitoring of temperature-controlled box
The temperature of heating tube 7.
The follow-up fagging not being connected with hold-down bolt 4 and tail top 5 of regulation is the first fagging 6, and with hold-down bolt 4 and
The fagging that tail top 5 is connected is the second fagging 8.
First fagging 6 and the profile of the second fagging 8 are identical with dimensions, its diameter be Φ 400~
500mm, its thickness are 20~40mm.12 circular holes have been respectively uniformly distributed on first fagging 6 and the second fagging 8 and it is justified
The heart is on a concentric circles, and the distance of each point and first fagging 6 (or second fagging 8) outer most edge is 20 on this concentric circles
The diameter of 12 circular holes is 16~24mm of Φ on~40mm, the first fagging 6 and the second fagging 8.
Heating tube 7 is solid cylinder and both ends are threaded, and the quantity of solid cylinder is 12 and its diameter and the first support
The diameter of circular hole matches on the fagging 8 of plate 6 and second, and the total length of solid cylinder is 400~600mm, solid cylinder both sides
Reach is 15~20mm.
Clamp nut 9 is six-sided nut, and quantity is 24, its diameter of thread and the diameter of thread phase of the both sides of heating tube 7
Matching.
The installation process of radiant heating device 3 is as follows：The both sides screw thread of heating tube 7 is each passed through the first fagging 6 and second
Corresponding circle hole on fagging 8, the fagging 6 of heating tube 7 and first and the second fagging 8 are fixed together by clamp nut 9.
Described hold-down bolt 4 is hexagon-headed bolt, and its reach is 60~80mm；
Described tail top 5 is the assembly with solid-cone section and the second hollow cylinder, solid-cone section and the second open circles
Post is formed in one, and the end diameter of solid-cone section is consistent with the diameter of the second hollow cylinder, during the second hollow cylinder carries
Heart hole；
The side of the connection of the second faggings of regulation cone Duan Zhongyu 8 is the bottom on tail top 5, is connected with the second hollow cylinder
Side is the top of cone section.Wherein bore a diameter of 200~300mm of Φ of section bottom, a diameter of Φ 100 on cone section top~
120mm, the height for boring section are 40~60mm.
A diameter of 100~120mm of Φ of second hollow cylinder, are highly 150~200mm, a diameter of Φ 40 of centre bore
~60mm, depth are 100~120mm；
The bottom on tail top 5 is fixedly connected by hold-down bolt 4 with the second fagging 8.
The high magnesium-rare earth coupling barrel deformation temperature field control method of large scale, comprises the following steps：With reference to
The present invention is described in further detail for the drawings and specific embodiments：
(1) rotary pressure deformation Temperature Field Control frock is attached：By tail top 5 and radiant heating device 3 by compressing spiral shell
Bolt 4 is fixed together, and screw-down torque is 20~30Nm.Then the centre bore on tail top 5 is sleeved on to the tail of spinning machine
On push rod, radiant heating device 3, hold-down bolt 4 and the entirety of tail top 5 are connected with the tail ejection device of spinning machine so as to realize
Together；
(2) high magnesium-rare earth cylinder base 2 is inserted in heat-treatment furnace and integrally preheated, holding temperature is 300~350 DEG C, is protected
The warm time is 1.5~2h, and after preheating terminates, high magnesium-rare earth cylinder base 2 is come out of the stove；
(3) spinning mold 1 is fixedly mounted on spinning machine by bealock, using oxy-acetylene spray gun to spinning mold
1 is preheated, and the heat time is 30~40min, untill when the temperature of spinning mold 1 reaches 100~150 DEG C；
(4) top of the high magnesium-rare earth cylinder base 2 along spinning mold 1 after being preheated by step (2) is fixedly mounted
On the spinning mold 1 after being preheated by step (3)；
(5) spinning is started, when the spinning roller of spinning machine contacts with high magnesium-rare earth cylinder base 2, by radiant heating device
3 are extend into the centre bore of spinning mold 1 by spinning machine tail ejection device, start radiant heating, until high rare earth magnesium is closed
The golden rotation of cylinder base 2 is made as the high magnesium-rare earth tubular spinning part 10 of required large scale；
Radiant heating device 3 vacantly extend into the centre bore of spinning mold 1 by the pressure of spinning machine tail ejection device transmission
Interior, heat caused by heating tube 7 is radiated on the inwall of the centre bore of spinning mold 1, and by spinning mold 1 to high rare earth
The inner wall deformation block transitive heat of magnesium alloy cylinder base 2；And the outer wall deformed area of high magnesium-rare earth cylinder base 2 then passes through oxy-acetylene
Spray gun continued compensation heats, so that the deformed area of high magnesium-rare earth cylinder base 2 obtains the effect of Bidirectional heating, is ensured with this
The Uniformity of Temperature Field of the high deformed area of magnesium-rare earth cylinder base 2, reduce or eliminate the high deformed area of magnesium-rare earth cylinder base 2
The thermograde of inside and outside wall, spinning crackle is avoided the occurrence of, ensured the forming quality of the high magnesium-rare earth cylindrical member of large scale
And forming accuracy.
During the whole rotary pressure deformation of magnesium alloy cylindrical member, high rare earth magnesium is monitored in real time using infrared temperature measurement apparatus
The temperature field of the deformed area of alloy cylinder base 2, it is ensured that it is maintained in the range of 440~470 DEG C.If high magnesium-rare earth cylinder base 2 deforms
The temperature of area's outer wall is higher than said temperature scope, then the flame of oxy-acetylene spray gun is deformed away from high magnesium-rare earth cylinder base 2
Area's outer wall, otherwise, then take opposite measure；If the temperature of the high deformed area inwall of magnesium-rare earth cylinder base 2 is higher than said temperature
Scope, then the heat that it is radiated to the inwall of spinning mold 1 is reduced by reducing the voltage and current applied to heating tube 7, entered
And the inwall of spinning mold 1 is reduced to the heat of the high inner wall deformation block transitive of magnesium-rare earth cylinder base 2, otherwise, then take opposite
Measure.In addition, spinning machine tail ejection device can adjust the position of radiant heating device 3 in real time by freely stretching, it is true with this
Guarantor is respectively provided with good radiant heating effect in wheel journey to the high deformed area inwall of magnesium-rare earth cylinder base 2.
(6) after spinning terminates, the high magnesium-rare earth tubular spinning part 10 of large scale is separated with spinning mold 1, then put
Enter in tank and cooled down；Then the high magnesium-rare earth tubular spinning part 10 of large scale after cooling is put into heat-treatment furnace
Middle carry out Ageing Treatment, aging temp are 220~260 DEG C, and soaking time is 6~8h；
(7), by by the high magnesium-rare earth tubular spinning part 10 of large scale after step (6) completion of prescription from heat treatment
Taken out in stove, the high magnesium-rare earth cylindrical member of large scale high-performance is obtained after being cooled to room temperature.
Embodiment 1
In the present embodiment, the high magnesium-rare earth cylindrical member of large scale high-performance is Mg-Y-Nd-Zr systems magnesium-rare earth, its
Content of rare earth is 12%, and the internal diameter of cylindrical member is Ф 750mm, is highly 650mm, wall thickness 4mm.It is a kind of large scale below
The detailed process of high magnesium-rare earth coupling barrel deformation temperature field control frock and control method：
Large scale high magnesium-rare earth coupling barrel deformation temperature field control frock, the frock include spinning mold 1,
Radiant heating device 3, hold-down bolt 4 and tail top 5；Spinning mold 1, radiant heating device 3, hold-down bolt 4 and tail top 5
Material use A3 steel；
Described spinning mold 1 is the first hollow cylinder with centre bore, and the bottom of the first hollow cylinder carries bealock,
The bealock is used to be attached with spinning machine, the internal diameter phase of the external diameter of the first hollow cylinder and high magnesium-rare earth cylinder base 2
Match somebody with somebody, high magnesium-rare earth cylinder base 2 is sleeved on the first hollow cylinder；
The external diameter of first hollow cylinder is Φ 749.96mm, and the height of the first hollow cylinder is 900mm, the first open circles
The center-hole diameter of post is Φ 550mm, and the depth of the first hollow cylinder centre bore is 600 mm；
Described radiant heating device 3 is the sky of the first fagging of band 6, heating tube 7, the second fagging 8 and clamp nut 9
Thimble shaped steel frame.Temperature-controlled box is carried on radiant heating device 3, can be by adjusting voltage, the electric current button real-time monitoring of temperature-controlled box
The temperature of heating tube 7.
First fagging 6 and the profile of the second fagging 8 are identical with dimensions, and its diameter is the mm of Φ 450, its
Thickness is 20mm.12 circular holes have been respectively uniformly distributed on first fagging 6 and the second fagging 8 and its center of circle is same at one
On heart circle, the distance of each point and first fagging 6 (or second fagging 8) outer most edge is 30mm on this concentric circles, the first fagging 6
Diameter with 12 circular holes on the second fagging 8 is Φ 16mm.
Heating tube 7 is solid cylinder and both ends are threaded, and the quantity of solid cylinder is 12 and its diameter and the first support
The diameter of circular hole matches and is Φ 15.96mm on the fagging 8 of plate 6 and second, and the total length of solid cylinder is 500mm, filled circles
The reach of post both sides is 20mm.
Clamp nut 9 is six-sided nut, and quantity is 24, its diameter of thread and the diameter of thread phase of the both sides of heating tube 7
Matching.
The installation process of radiant heating device 3 is as follows：The both sides screw thread of heating tube 7 is each passed through the first fagging 6 and second
Corresponding circle hole on fagging 8, the fagging 6 of heating tube 7 and first and the second fagging 8 are fixed together by clamp nut 9.
Described hold-down bolt 4 is hexagon-headed bolt, and its reach is 60mm.
Described tail top 5 is the assembly with solid-cone section and the second hollow cylinder, solid-cone section and the second open circles
Post is formed in one, and the end diameter of solid-cone section is consistent with the diameter of the second hollow cylinder, during the second hollow cylinder carries
Heart hole.
The side of the connection of the second faggings of regulation cone Duan Zhongyu 8 is the bottom on tail top 5, is connected with the second hollow cylinder
Side is the top of cone section.A diameter of Φ 200mm of section bottom are wherein bored, a diameter of Φ 100mm on cone section top, bore section
Highly it is 60mm.
A diameter of Φ 100mm of second hollow cylinder, are highly 200mm, the mm of a diameter of Φ 40 of centre bore, and depth is
100mm；
The bottom on tail top 5 is fixedly connected by hold-down bolt 4 with the second fagging 8.
The high magnesium-rare earth coupling barrel deformation temperature field control method of large scale, comprises the following steps：With reference to
The present invention is described in further detail for the drawings and specific embodiments：
(1) rotary pressure deformation Temperature Field Control frock is attached：By tail top 5 and radiant heating device 3 by compressing spiral shell
Bolt 4 is fixed together, and screw-down torque is 20~30Nm.Then the centre bore on tail top 5 is sleeved on to the tail of spinning machine
On push rod, radiant heating device 3, hold-down bolt 4 and the entirety of tail top 5 are connected with the tail ejection device of spinning machine so as to realize
Together；
(2) high magnesium-rare earth cylinder base 2 is inserted in heat-treatment furnace and integrally preheated, holding temperature is 350 DEG C, during insulation
Between be 2h, preheating terminate after, high magnesium-rare earth cylinder base 2 is come out of the stove；
(3) spinning mold 1 is fixedly mounted on spinning machine by bealock, using oxy-acetylene spray gun to spinning mold
1 is preheated, heat time 40min, untill when the temperature of spinning mold 1 reaches 150 DEG C；
(4) top of the high magnesium-rare earth cylinder base 2 along spinning mold 1 after being preheated by step (2) is fixedly mounted
On the spinning mold 1 after being preheated by step (3)；
(5) spinning is started, when the spinning roller of spinning machine contacts with high magnesium-rare earth cylinder base 2, by radiant heating device
3 are extend into the centre bore of spinning mold 1 by spinning machine tail ejection device, start radiant heating, until high rare earth magnesium is closed
The golden rotation of cylinder base 2 is made as the high magnesium-rare earth tubular spinning part 10 of required large scale；
Radiant heating device 3 vacantly extend into the centre bore of spinning mold 1 by the pressure of spinning machine tail ejection device transmission
Interior, heat caused by heating tube 7 is radiated on the inwall of the centre bore of spinning mold 1, and by spinning mold 1 to high rare earth
The inner wall deformation block transitive heat of magnesium alloy cylinder base 2；And the outer wall deformed area of high magnesium-rare earth cylinder base 2 then passes through oxy-acetylene
Spray gun continued compensation heats, so that the deformed area of high magnesium-rare earth cylinder base 2 obtains the effect of Bidirectional heating, is ensured with this
The Uniformity of Temperature Field of the high deformed area of magnesium-rare earth cylinder base 2, reduce or eliminate the high deformed area of magnesium-rare earth cylinder base 2
The thermograde of inside and outside wall, spinning crackle is avoided the occurrence of, ensured the forming quality of the high magnesium-rare earth cylindrical member of large scale
And forming accuracy.
During the whole rotary pressure deformation of magnesium alloy cylindrical member, high rare earth magnesium is monitored in real time using infrared temperature measurement apparatus
The temperature field of the deformed area of alloy cylinder base 2, it is ensured that it is maintained in the range of 440~470 DEG C.If high magnesium-rare earth cylinder base 2 deforms
The temperature of area's outer wall is higher than said temperature scope, then the flame of oxy-acetylene spray gun is deformed away from high magnesium-rare earth cylinder base 2
Area's outer wall, otherwise, then take opposite measure；If the temperature of the high deformed area inwall of magnesium-rare earth cylinder base 2 is higher than said temperature
Scope, then the heat that it is radiated to the inwall of spinning mold 1 is reduced by reducing the voltage and current applied to heating tube 7, entered
And the inwall of spinning mold 1 is reduced to the heat of the high inner wall deformation block transitive of magnesium-rare earth cylinder base 2, otherwise, then take opposite
Measure.In addition, spinning machine tail ejection device can adjust the position of radiant heating device 3 in real time by freely stretching, it is true with this
Guarantor is respectively provided with good radiant heating effect in wheel journey to the high deformed area inwall of magnesium-rare earth cylinder base 2.
(6) after spinning terminates, the high magnesium-rare earth tubular spinning part 10 of large scale is separated with spinning mold 1, then put
Enter in tank and cooled down；Then the high magnesium-rare earth tubular spinning part 10 of large scale after cooling is put into heat-treatment furnace
Middle carry out Ageing Treatment, aging temp are 220 DEG C, soaking time 6h；
(7) by by the high magnesium-rare earth tubular spinning part 10 of large scale after step (6) completion of prescription from heat treatment
Taken out in stove, the high magnesium-rare earth cylindrical member of large scale high-performance is obtained after being cooled to room temperature.
In the present embodiment, regulate and control frock by using special rotary pressure deformation Uniformity of Temperature Field, realize high rare earth magnesium
The uniformity in alloy cylinder base its deformed area temperature field during whole rotary pressure deformation, high magnesium-rare earth cylinder base is in wheel journey
In its inside and outside wall deformed area be held in the range of 440~470 DEG C, and its inside and outside wall temperature gradient control 10 DEG C with
It is interior, the appearance of spinning crackle is avoided, ensures forming quality and the shaping of the high magnesium-rare earth tubular spinning part of large scale of knowing clearly
Precision.According to GB/T 16865-1997《Deform aluminium, magnesium and its alloy fabricated product tension test sample》Carry out stretching sample
Product sample and according to GB/T 228.1-2010《Metal material stretching test》Part I (room temperature test method) carries out room temperature
Tensile property detects, and as a result shows that its tensile strength is 385MPa after timeliness, elongation percentage 12%, and anisotropy situation
Significantly improve, it is as shown in the table：
The content not being described in detail in description of the invention belongs to the known technology of professional and technical personnel in the field.
Claims (10)
1. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale, it is characterised in that：The frock includes rotation
Compression mould (1), radiant heating device (3) and tail top (5)；
Described spinning mold (1) is the hollow cylinder with centre bore, and tail top (5) are fixedly connected on radiant heating device (3),
In spin-forming procedure, radiant heating device (3) and tail top (5) are arranged in the centre bore of spinning mold (1).
2. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale according to claim 1, it is special
Sign is：The hollow cylinder with centre bore of spinning mold (1) is defined as the first hollow cylinder, the bottom band of the first hollow cylinder
There is bealock, the bealock is used to be attached with spinning machine, the external diameter of the first hollow cylinder and high magnesium-rare earth cylinder base (2)
Internal diameter matches, and high magnesium-rare earth cylinder base (2) is sleeved on the first hollow cylinder.
3. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale according to claim 2, it is special
Sign is：The external diameter of first hollow cylinder is 750~800mm of Φ, and the height of the first hollow cylinder is 800~900mm, and first is empty
The center-hole diameter of heart cylinder is 500~550mm of Φ, and the depth of the first hollow cylinder centre bore is 400~600mm.
4. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale according to claim 1, it is special
Sign is：Described radiant heating device (3) includes the first fagging (6), heating tube (7) and the second fagging (8), radiant heating dress
Put and carry temperature-controlled box on (3)；Heating tube (7) is fixedly connected between the first fagging (6) and the second fagging (8).
5. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale according to claim 4, it is special
Sign is：First fagging (6) and the profile of the second fagging (8) are identical with dimensions, its diameter be Φ 400~
500mm, its thickness are 20~40mm, be respectively uniformly distributed on the first fagging (6) and the second fagging (8) 12 circular holes and its
The center of circle is on a concentric circles, and the distance of each point and the first fagging (6) or the second fagging (8) outer most edge is on this concentric circles
The diameter of 20~40mm, the first fagging (6) and upper 12 circular holes of the second fagging (8) is 16~24mm of Φ.
6. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale according to claim 4, it is special
Sign is：Heating tube (7) is solid cylinder and both ends are threaded, and the quantity of solid cylinder is 12 and its diameter and the first support
The diameter of circular hole matches on plate (6) and the second fagging (8), and the total length of solid cylinder is 400~600mm, solid cylinder two
The reach of side is 15~20mm.
7. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale according to claim 4, it is special
Sign is：Described tail top (5) is the assembly with solid-cone section and the second hollow cylinder, solid-cone section and the second open circles
Post is formed in one, and the end diameter of solid-cone section is consistent with the diameter of the second hollow cylinder, during the second hollow cylinder carries
Heart hole.
8. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale according to claim 7, it is special
Sign is：A diameter of 200~300mm of Φ of section bottom, a diameter of 100~120mm of Φ on cone section top are bored, the height for boring section is
40~60mm；
A diameter of 100~120mm of Φ of second hollow cylinder, are highly 150~200mm, a diameter of Φ 40 of centre bore~
60mm, depth are 100~120mm；
The bottom on tail top (5) is fixedly connected by hold-down bolt 4 with the second fagging (8).
9. the high magnesium-rare earth coupling barrel deformation temperature field control frock of large scale according to claim 1, it is special
Sign is：Spinning mold (1), radiant heating device (3), the material of hold-down bolt 4 and tail top (5) use A3 steel.
10. the high magnesium-rare earth coupling barrel deformation temperature field control method of large scale, it is characterised in that comprise the following steps：
Step (1), rotary pressure deformation Temperature Field Control frock is attached：Tail top (5) and radiant heating device (3) are fixed
Link together, screw-down torque is 20~30Nm, and the centre bore of tail top (5) is then sleeved on to the tail push rod of spinning machine
On, radiant heating device (3) and tail top (5) overall tail ejection device with spinning machine are linked together so as to realize；
Step (2), high magnesium-rare earth cylinder base (2) is inserted in heat-treatment furnace and integrally preheated, holding temperature is 300~350
DEG C, soaking time is 1.5~2h, and after preheating terminates, high magnesium-rare earth cylinder base (2) is come out of the stove；
Step (3), spinning mold (1) is fixedly mounted on spinning machine by bealock, using oxy-acetylene spray gun to spinning
Mould (1) is preheated, and the heat time is 30~40min, until the temperature of spinning mold (1) is when reaching 100~150 DEG C
Only；
Step (4), top of the high magnesium-rare earth cylinder base (2) along spinning mold (1) after being preheated by step (2) are consolidated
Dingan County is mounted on the spinning mold (1) after being preheated by step (3)；
Step (5), start spinning, when the spinning roller of spinning machine contacts with high magnesium-rare earth cylinder base (2), by radiant heating
Device (3) is extend into the centre bore of spinning mold (1) by spinning machine tail ejection device, starts radiant heating, until by height
Magnesium-rare earth cylinder base (2) rotation is made as the high magnesium-rare earth tubular spinning part 10 of required large scale；
Step (6), after spinning terminates, the high magnesium-rare earth tubular spinning part 10 of large scale is separated with spinning mold (1), so
After insert in tank and cooled down；Then the high magnesium-rare earth tubular spinning part 10 of large scale after cooling is put into heat treatment
Ageing Treatment is carried out in stove, aging temp is 220~260 DEG C, and soaking time is 6~8h；
Step (7), by by the high magnesium-rare earth tubular spinning part 10 of large scale after step (6) completion of prescription from heat treatment
Taken out in stove, the high magnesium-rare earth cylindrical member of large scale high-performance is obtained after being cooled to room temperature.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113649430A (en) * | 2021-07-22 | 2021-11-16 | 深圳市维度创新实业有限公司 | Method for processing plane metal sheet |
| CN113996689A (en) * | 2021-10-13 | 2022-02-01 | 航天材料及工艺研究所 | Method for controlling spinning temperature field of phi 3350mm2195 aluminum lithium alloy integral box bottom |
| CN115338282A (en) * | 2022-10-17 | 2022-11-15 | 南通长石科技有限公司 | Magnesium alloy forging product stamping forming system and stamping forming method |
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| CN104249116A (en) * | 2013-06-27 | 2014-12-31 | 上海新力动力设备研究所 | Inner heating device for hot spinning mandrel |
| CN104624765A (en) * | 2014-12-03 | 2015-05-20 | 哈尔滨工业大学 | Rotary heating and temperature control device in combined spinning process of dissimilar metal |
| CN106180343A (en) * | 2016-09-09 | 2016-12-07 | 哈尔滨工业大学 | A kind of dissimilar metal composite spinning differential temperature control method based on interface resistance |
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| SU1712029A1 (en) * | 1989-11-09 | 1992-02-15 | Уральский научно-исследовательский институт трубной промышленности | Method to make cylinders |
| CN104249116A (en) * | 2013-06-27 | 2014-12-31 | 上海新力动力设备研究所 | Inner heating device for hot spinning mandrel |
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| CN115338282A (en) * | 2022-10-17 | 2022-11-15 | 南通长石科技有限公司 | Magnesium alloy forging product stamping forming system and stamping forming method |
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