CN105568184A - Low-melting-point metal magnetic induced plastic annular rolling friction ultra-refining method and device thereof - Google Patents
Low-melting-point metal magnetic induced plastic annular rolling friction ultra-refining method and device thereof Download PDFInfo
- Publication number
- CN105568184A CN105568184A CN201610072710.4A CN201610072710A CN105568184A CN 105568184 A CN105568184 A CN 105568184A CN 201610072710 A CN201610072710 A CN 201610072710A CN 105568184 A CN105568184 A CN 105568184A
- Authority
- CN
- China
- Prior art keywords
- point metal
- melting point
- low melting
- test specimen
- component
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon
Abstract
The invention discloses a low-melting-point metal magnetic induced plastic annular rolling friction ultra-refining method and a device thereof. The method comprises the following steps: machining a low-melting-point to-be-treated metal test piece to a cylindrical shape, enabling the cylindrical low-melting-point to-be-treated metal test piece to rotate, and carrying out advancing type surface rolling friction on the low-melting-point metal test piece along a busbar direction of the cylindrical low-melting-point to-be-treated metal test piece, wherein an electromagnetic field is provided for the low-melting-point to-be-treated metal test piece. The device comprises a test piece clamping and rotating component, a pressure-controlled rolling friction component, a cooling component, a vertical feeding component and an electromagnetic component. The low-melting-point metal magnetic induced plastic annular rolling friction ultra-refining method and the device thereof can still realize refining of a metal surface on the premise of not performing multiple times of machining on a metal surface, and the purpose of refining the surface of the low-melting-point metal can be achieved by the dynamic recrystallization behavior of metal.
Description
Technical field
The invention belongs to plastic forming of metals field, be specifically related to a kind of low melting point metal mangneto plastic area and rub super-refinement method and device thereof to rolling.
Background technology
The low melting point metals such as magnalium are under arms under environment, the unstability (as fatigue, abrasion and corrosion etc.) of material starts from surface more, therefore only crystal grain thinning is to a certain degree prepared at material surface, i.e. surperficial super-refinement technology, just can improve overall performance and the military service behavior of material by organization optimization.The method being widely used in preparing metal material surface grained material at present has the methods such as surface mechanical attrition treatment method, cam rollers platen press, pneumatic shot-peening method and supersonic particles bombarding method.
Although above-mentioned several method can reach the object of metallic surface grain refining, but these methods or because technology of preparing is complicated, cost is high or due to comparatively strict to prepared material requirements and be restricted, and the above-mentioned method preparing grained material is most by carrying out applied load repeatedly at material surface, accumulate enough large accumulating plastic deformation's amount, coarse-grain is made progressively to be evolved into thin crystalline substance by dislocation, because the course of processing is too loaded down with trivial details, industrial practical application is restricted.
Research shows, in plastic forming of metals process, during applying magnetic field, dislocation can form radical pair by excitation electron when obstacle between dislocation and obstacle, the position that dislocation is more conducive to needing ability few is moved, the pinning ability of dislocation to metallic grain boundaries diminishes, and is conducive to the raising of material plasticity.When carrying out refinement to low melting point surface, when adopting mangneto plastic area to rub technology to rolling, apply with magnetic field used, the just face processability of metal is improved, low melting material surface thinning effect strengthens.
Summary of the invention
For defect of the prior art and deficiency, the object of this invention is to provide a kind of low melting point metal hoop and roll over rub surperficial super-refinement method and device thereof, the method can not only realize the surperficial refinement of low melting point metal fast, operation simple economy more when making method and apparatus of the present invention carry out the surperficial refinement of low melting point metal by the dynamic recrystallization principle of metal, the plastic behavior of metal in moulding process can be made to increase by mangneto plasticity principle, make to roll over rub workpiece surface formability improve, the scope of the effective refinement of metal is strengthened, thus reach the object of metallic surface super-refinement.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of low melting point metal mangneto plastic area to rub super-refinement method to rolling, pending for low melting point metal test specimen is processed into cylindrical shape, make the pending test specimen of the low melting point metal of cylindrical shape carry out rotation along plane of rotation, the generatrix direction of the pending test specimen of the low melting point metal along the cylindrical shape of rotation carries out the rolling of travelling surface to the pending test specimen of low melting point metal and rubs; Return low melting point metal pending test specimen and electromagnetic field is provided.
Concrete, it is 2 ~ 10 that the spin velocity of the pending test specimen of low melting point metal of described cylindrical shape rolles over travelling surface the gait of march ratio rubbed; The unit of spin velocity is r/min, and it is mm/min that the gait of march unit rubbed is rolled on travelling surface; The magnetic induction density of described electromagnetic field is 2 × 10
3a/mm ~ 4 × 10
3a/mm.
More specifically, the draught carrying out rolling over when rubbing on travelling surface to the pending test specimen of low melting point metal is 0.2 ~ 1.2mm.
Further, described low melting point metal is AZ31 magnesium alloy, and the draught carrying out rolling over when rubbing on travelling surface to the pending test specimen of AZ31 magnesium alloy is 0.2 ~ 1mm.
In addition, carrying out travelling surface, to roll over the area ratio that the unit that rubs rolles over the lateral area of the pending test specimen of low melting point metal of rub area and cylindrical shape be 1:4 ~ 24.
Low melting point metal mangneto plastic area described in realization rubs to rolling the device of super-refinement method, comprise test specimen clamping rotation component, pressure control rolles over the component that rubs, cooling component, vertical feeding component and electromagnetic component, test specimen clamping rotation component is used for the pending test specimen of low melting point metal of clamp cylinders body shape and controls it and carry out rotation along plane of rotation, pressure control roll over rub component under the drive of vertical feeding component along the generatrix direction of the pending test specimen of low melting point metal of cylindrical shape carry out travelling roll over rub, the pending test specimen of the low melting point metal of cooling component to the cylindrical shape in the course of processing cools, described electromagnetic component provides electromagnetic field for the pending test specimen of low melting point metal.
Concrete, described pressure control roll over the component that rubs comprise roll over rub head and with the forcer of rolling over the head that rubs and being coaxially connected, forcer is controlled by pressure control system; Forcer is fixedly connected with the mobile terminal of vertical feeding component is vertical.
More specifically, the rub rolling face of rubbing of head of described rolling is arc, and the radian of arc is
Also have, described test specimen clamping rotation component comprises three ratchets and rotation motor, the pending test specimen of low melting point metal of three ratchet clamp cylinders body shapes, rotation motor drives three ratchets to carry out rotation along plane of rotation together with the pending test specimen of the low melting point metal of cylindrical shape.
In addition, described test specimen clamping rotation component also comprises thimble, thimble is positioned at the top of three ratchets, and three ratchets are by a bottom end clamping of pending for the low melting point metal of cylindrical shape test specimen, and thimble holds out against in another bottom surface of the pending test specimen of the low melting point metal of cylindrical shape.
Advantage of the present invention:
1, the low melting point metal mangneto plastic area that the present invention adopts to rub super-refinement method to rolling, the method realizes the refinement to metallic surface mainly through the pending test specimen of low melting point metal and the mode of the two-way relative movement carrying out travelling surface milling along bus side of the cylindrical shape of rotation, or even super-refinement, low melting point metal material surface is when the frictional force acting in conjunction being under pressure tangential with surface, friction tangential force makes metallic surface die break, and the shearing stress be subject to due to material is face shearing stress, make material tangentially viscous deformation raising, reach the object on refinement surface, material generation severe plastic deformation simultaneously, larger heat of friction makes metal occurrence dynamics recrystallize, reaches the object of further grain refining, main employing be the dynamic recrystallization behavior of crystal grain after workpiece drastic deformation to reach the object of crystal grain thinning, be not control grain size by the accumulative strain of dislocation.
2, the present invention fits through the plastic behavior increase that mangneto plasticity principle can make metal in moulding process further, make to roll over rub workpiece surface formability improve, the scope of the effective refinement of metal is strengthened, thus reaches the object of metallic surface super-refinement; When adopting magnetic plasticity, under the prerequisite ensureing metal fining, rolling over the vertical speed of feed of rubbing can be improved, and production efficiency is improved;
3, the present invention gives to be specifically designed to and realizes the device that low melting point metal hoop rolles over surperficial super-refinement method of rubbing, this device is mainly through clamping rotation component, pressure control milling component, cooling component, vertical feeding component and electromagnetic component realize the combination of the rotation of test specimen and the bidirectional-movement of travelling milling, test specimen clamping rotation component is used for the pending test specimen of low melting point metal of clamp cylinders body shape and controls it and carry out rotation along plane of rotation, the generatrix direction of the low melting point metal pending test specimen of pressure control milling component along cylindrical shape under the drive of vertical feeding component carries out travelling milling, the pending test specimen of the low melting point metal of cooling component to the cylindrical shape in the course of processing cools, electromagnetic component provides magneticinduction to the pending test specimen of low melting point metal,
4, in addition, of the present inventionly realize low melting point metal hoop to roll over the milling head rubbed in the device of surperficial super-refinement method be that face coordinates with coordinating of test specimen, roll over the surface that the head that rubs is pressed into the pending test specimen of a high speed rotating under the effect of the pressure, material surface is being under pressure and surperficial tangential frictional force acting in conjunction, friction tangential force makes metallic surface die break, the shearing stress be subject to due to material is face shearing stress, make material tangentially viscous deformation raising, material reaches the object of refinement.
Accompanying drawing explanation
Fig. 1 is the structural representation that the moulding hoop of low melting point metal mangneto of the present invention rolles over the surperficial super-refinement device that rubs;
Fig. 2 is that the rolling of Fig. 1 rubs the structural relation schematic diagram of head and test specimen;
Fig. 3 is the decorative pattern of rolling over the head surface that rubs, and A, B and C in figure represent three kinds of different decorative patterns respectively;
Fig. 4 is that rolling of the present invention rubs head at radian Ψ schematic diagram corresponding to cylindrical work piece surface, and in figure, D represents the diameter of cylindrical shape test specimen, and the circle in figure represents the transverse cross-sectional view of cylindrical shape test specimen;
Fig. 5 is test specimen processing front and back metallographic structure figure in embodiment one;
Fig. 6 is the surface transmission Photomicrograph in embodiment two before test specimen processing;
Fig. 7 is the surface transmission Photomicrograph in embodiment two after test specimen processing;
Fig. 8 adopts the metallographic structure figure in comparative example one after test specimen processing;
In Fig. 1 and 2, each label is expressed as: 1-rolles over rub head, 2-fixed muffle, 3-forcer, 4-pressure control system, 5-first protective guard, 6-vertical feeding motor, 7-rotation motor, 8-tri-ratchet, 9-worktable, the pending test specimen of 10-low melting point metal, 11-second protective guard, 12-thimble, 13-cooling component, 14-electro-magnet, 15-power supply;
Below in conjunction with specification drawings and specific embodiments, the present invention is illustrated.
Embodiment
A kind of low melting point metal mangneto plastic area of the present invention to rub super-refinement method to rolling, comprise and pending for low melting point metal test specimen is processed into cylindrical shape, the pending test specimen of the low melting point metal of cylindrical shape is made to carry out rotation along plane of rotation, the generatrix direction of the pending test specimen of the low melting point metal along the cylindrical shape of rotation carries out the rolling of travelling surface to the pending test specimen of low melting point metal and rubs, and returns the pending test specimen of low melting point metal and provides electromagnetic field; Low melting point metal material surface is when the frictional force acting in conjunction being under pressure tangential with surface, friction tangential force makes metallic surface die break, and the shearing stress be subject to due to material is face shearing stress, make material tangentially viscous deformation improve, reach the object on refinement surface; Material generation severe plastic deformation simultaneously, larger heat of friction makes metal occurrence dynamics recrystallize, reaches the object of further grain refining; The plastic behavior of metal in moulding process can be made to increase by mangneto plasticity principle simultaneously, make to roll over the rub formability of workpiece surface and improve, the scope of the effective refinement of metal is strengthened, thus reaches the object of metallic surface super-refinement.
In the course of processing, the angular velocity of rotation of the pending test specimen of low melting point metal and travelling surface are rolled over the gait of march of rubbing and be kept within the specific limits, because angular velocity of rotation is excessive, can strengthen frictional heat, heat input is crossed conference and made metal grain alligatoring; When the gait of march that travelling surface rolling simultaneously rubs is excessive, because translational speed is too fast, heat input reduces, and make work piece surface produce defect, formability is bad.According to contriver's research experience, the gait of march ratio rubbed is rolled on the spin velocity of the pending test specimen of low melting point metal of cylindrical shape and travelling surface when being 2 ~ 10, effectively can ensure metallic surface formability and metal fining degree in the course of processing; Effectively can ensure metallic surface formability and metal fining degree in the course of processing; The unit of spin velocity is r/min, and gait of march unit is mm/min.
Carrying out travelling surface, to roll over the area ratio that the unit that rubs rolles over the lateral area of the pending test specimen of low melting point metal of rub area and cylindrical shape be 1:4 ~ 24.
In conjunction with Fig. 1 and 2, the low melting point metal hoop that realizes of the present invention is rolled over the device of surperficial super-refinement method of rubbing and is comprised test specimen clamping rotation component, pressure control rolles over the component that rubs, cooling component, vertical feeding component and electromagnetic component, test specimen clamping rotation component is used for the pending test specimen of low melting point metal of clamp cylinders body shape and controls it and carry out rotation along plane of rotation, pressure control roll over rub component under the drive of vertical feeding component along the generatrix direction of the pending test specimen of low melting point metal of cylindrical shape carry out travelling roll over rub, the pending test specimen of the low melting point metal of cooling component to the cylindrical shape in the course of processing cools, electromagnetic component provides electromagnetic field for the pending test specimen of low melting point metal.
Electromagnetic component of the present invention comprises electro-magnet 14 and power supply 15, the determination of the magnetic field size of electro-magnet 14, and the magnetic induction density threshold value of mangneto plasticity is 10
3a/mm, the magnetic induction density desirable when mangneto plastic area rubs to rolling is 2 × 10
3a/mm ~ 4 × 10
3a/mm, magneticstrength crosses the grain-size alligatoring that conference makes metal.
Wherein, pressure control milling component comprises milling head 1 and the fixed muffle 2, forcer 3 and the pressure control system 4 that are connected coaxial with milling head 1 successively, and milling head 1 is arranged in forcer 3 by fixed muffle 2, and forcer 3 is controlled by pressure control system 4; Forcer 3 is fixedly connected with the mobile terminal of vertical feeding component is vertical.Vertical feeding component comprises vertical feeding motor 6, when carrying out the milling of test specimen, given the draught of milling head 1 by pressure system 4 control pressure device 3, then control by vertical feeding motor 6 speed that milling head 1 advances along generatrix direction back and forth in pending surface of test piece; First protective guard 5 of sealing is set outside vertical feeding component, protects the operating process of vertical feeding component; The cooperation of rolling over rub 1 and pending test specimen is that face coordinates, roll over 1 surface being pressed into the pending test specimen of a high speed rotating under the effect of the pressure of rubbing, material surface is being under pressure and surperficial tangential frictional force acting in conjunction, friction tangential force makes metallic surface die break, the shearing stress be subject to due to material is face shearing stress, make material tangentially viscous deformation raising, material reaches the object of refinement; Material generation severe plastic deformation simultaneously, larger heat of friction makes metal occurrence dynamics recrystallize, reaches the object of grain refining.Force cooling effect that metallic surface degree of grain refinement is improved simultaneously.
Cooling component 13 of the present invention adopts cooling-lubricant, is sprayed at the surface of test piece in treating processes by the pipeline be communicated with, and is to lower the temperature to metal after machining on the one hand, suppresses growing up of metal recrystal grain; Be on the one hand the frictional force that pending test specimen and rolling can be regulated to rub between 1 in addition, rolling can be cooled simultaneously and rub 1, improve its work-ing life.
Preferably, composition graphs 4, the milling face of milling head 1 is arc, and the radian of arc is
and composition graphs 3, the milling face of milling head 1 of the present invention is arranged the embossing of multiple different increase skin friction force, different embossing is to make the frictional force in the course of processing increase for the effect of pending test specimen, the heat produced is more, more be conducive to shaping, make the flow range of metal larger.
Test specimen clamping rotation component comprises three ratchets 8 and rotation motor 7, the pending test specimen 10 of low melting point metal of three ratchet 8 clamp cylinders body shapes, rotation motor 7 drives together with the pending test specimen 10 of three ratchets 8 and the low melting point metal of cylindrical shape and carries out rotation along plane of rotation, the fastening object of three ratchets 8 is adopted to be to ensure in the process rotated, pending test specimen can not produce displacement because of the effect of revolving force, meanwhile, the requirement that can meet numerous workpiece size of three ratchets 8.Test specimen clamping rotation component also comprises thimble 12, worktable 9 and the second protective guard 11, thimble 12 is positioned at the top of three ratchets 8, three ratchets 8 are by a bottom end clamping of pending for the low melting point metal of cylindrical shape test specimen 10, thimble 12 holds out against in another bottom surface of the pending test specimen 10 of the low melting point metal of cylindrical shape, three ratchets 8 are embedded on worktable 9, second protective guard 11 of the arranged outside sealing of test specimen clamping rotation component, the treating processes of protection test specimen, the object adopting thimble 12 is better in order to ensure to make the stability of pending test specimen in rotation process, make pending surface of test piece process more even, the movement locus of thimble 12 rotates along its inboardend, and can vertical direction feeding be carried out.
In order to study the relation in the test specimen course of processing between each factor, contriver gives following calculation formula and carries out theoretical direction:
The diameter of the pending test specimen of low melting point metal of the cylindrical shape selected by supposing is D, unit is mm, the angular velocity of rotation of pending test specimen is ω, unit is r/min, the gait of march of travelling surface milling is v, unit is: mm/min, radian corresponding to milling head is Ψ, the height of milling head is h, unit is mm, the height of pending test specimen is H, unit is mm, taking variable is γ h (0< γ <1), suppose when completing the distance of distance h-γ h, pending test specimen rotates N circle, N is natural number, then process the time t required for sample, unit is min, for:
Then have:
Then have:
Take after variable refers to and process a time at every turn, processing will be repeated to the part of upper a time, between making to process up and down, there is not gap; Also in order to every time hoop processing after metallic surface do not deposit after processing connect stubble, the degree of refinement of metal also can be made to improve, improve globality and the homogeneity of metal fining simultaneously, make surface property more even.
Wherein, when regulating the pressure perpendicular to work piece surface, should consider to roll over the frictional force of head to workpiece of rubbing.Suppose that frictional force is τ
n, have according to coulomb metal to-metal contact law:
τ
n＝fσ
n
Wherein, f is friction factor, σ
nfor forcer give with surface compression normal stress, unit is newton, and in general, the temperature of deformable material is higher, then frictional coefficient is larger.But copper is at 800 DEG C with when steel is more than 900 DEG C, and its frictional coefficient reduces with the rising of temperature on the contrary, thus should consider the factor of part material when regulating friction force.
The part of rolling over the deep work piece surface of the head that rubs is referred to as draught, when choosing draught, can determine according to the surface forming of processing metal, when draught is larger, fricative heat input strengthens, the formability of metal is improved, to the pending test specimen of low melting point metal carry out travelling surface milling time draught be 0.2 ~ 1.2mm, draught is larger, the formability of finished surface is better, but the frictional heat produced is many, grain-size can thickerization, the present invention provides the lower metal of fusing point if the draught of AZ31 magnesium alloy is between 0.2 ~ 0.8mm.
Embodiment one:
In conjunction with illustrated method and apparatus, hoop rolling mocha work is carried out to the cylindrical shape AZ31 magnesium alloy that diameter is 6mm.
Adopt device as shown in Figure 1, wherein machined parameters is set to spin velocity is 800r/min, the gait of march 95mm/min rubbed is rolled on travelling surface, draught is 1.0mm, and adopt emulsion to lubricate, rolling over the women's head-ornaments that rub is that plane does not have decorative pattern, the rolling head height that rubs is 5mm, taking variable is 1mm, and carry out 1 rolling and rub, the magnetic induction density of employing is 2 × 10
3a/mm.
Be illustrated in figure 5 cross section metal metallographic structure photo after mangneto plastic area rubs to rolling, by finding out in figure that the metallographic phase of processing district has obvious thinning effect than mother metal district, and it is more even that the progress of processing district compares mother metal, transitional zone metal grain size distribution is uneven, illustrating that mangneto plastic area rubs to rollings thus can make the crystal grain of metal obtain refinement, and hoop rolling rub after the homogeneity of metal structure better.
Embodiment two:
In conjunction with illustrated method and apparatus, hoop rolling mocha work is carried out to cylindrical shape 6063 rods and bars of aluminium alloy that diameter is 5mm.Adopt device as shown in Figure 1, wherein spin velocity is 800r/min, it is 95mm/min that the gait of march of rubbing is rolled on travelling surface, draught is 0.5mm, and adopt emulsion to lubricate, rolling over the women's head-ornaments that rub is that plane does not have decorative pattern, the rolling head height that rubs is 5mm, taking variable is 1mm, and carry out 1 rolling and rub, the magnetic induction density of employing is 2 × 10
3a/mm.As shown in Figure 6 and Figure 7 for bar processing after processing is front and processing rear surface transmission Photomicrograph.The grain-size of mother metal is that after 1-2 μm of processing, aluminium bar surface structure thinning effect is obvious, and average grain size 0.5 ~ 0.8 μm after processing, makes grain-size reach super-refinement, and homogeneous microstructure.
Comparative example one:
The present embodiment and embodiment one unlike, the present embodiment is not by electromagnetic field process, adding man-hour, because metal plastic flowing compares the difference adding magnetic field, thus required in course of processing draught is increased to 1.0mm, and easily produce defect as shown in Figure 8 in the course of processing, metalworking zone and mother metal junction produce tiny crack.
Claims (10)
1. a low melting point metal mangneto plastic area to rub super-refinement method to rolling, it is characterized in that, pending for low melting point metal test specimen is processed into cylindrical shape, make the pending test specimen of the low melting point metal of cylindrical shape carry out rotation along plane of rotation, the generatrix direction of the pending test specimen of the low melting point metal along the cylindrical shape of rotation carries out the rolling of travelling surface to the pending test specimen of low melting point metal and rubs;
Return low melting point metal pending test specimen and electromagnetic field is provided.
2. low melting point metal mangneto plastic area as claimed in claim 1 to rub super-refinement method to rolling, and it is characterized in that, it is 2 ~ 10 that the spin velocity of the pending test specimen of low melting point metal of described cylindrical shape rolles over travelling surface the gait of march ratio rubbed; The unit of spin velocity is r/min, and it is mm/min that the gait of march unit rubbed is rolled on travelling surface;
The magnetic induction density of described electromagnetic field is 2 × 10
3a/mm ~ 4 × 10
3a/mm.
3. low melting point metal mangneto plastic area as claimed in claim 1 or 2 to rub super-refinement method to rolling, and it is characterized in that, the draught carrying out rolling over when rubbing on travelling surface to the pending test specimen of low melting point metal is 0.2 ~ 1.2mm.
4. low melting point metal hoop as claimed in claim 1 or 2 rolles over surperficial super-refinement method of rubbing, and it is characterized in that, described low melting point metal is AZ31 magnesium alloy, and the draught carrying out rolling over when rubbing on travelling surface to the pending test specimen of AZ31 magnesium alloy is 0.2 ~ 1mm.
5. low melting point metal mangneto plastic area as claimed in claim 1 or 2 to rub super-refinement method to rolling, it is characterized in that, carrying out travelling surface, to roll over the area ratio that the unit that rubs rolles over the lateral area of the pending test specimen of low melting point metal of rub area and cylindrical shape be 1:4 ~ 24.
6. realize claim 1, 2, 3, low melting point metal mangneto plastic area described in 4 or 5 rubs to rolling the device of super-refinement method, it is characterized in that, comprise test specimen clamping rotation component, pressure control rolles over the component that rubs, cooling component (13), vertical feeding component and electromagnetic component, test specimen clamping rotation component is used for the pending test specimen of low melting point metal (10) of clamp cylinders body shape and controls it and carry out rotation along plane of rotation, pressure control roll over rub component under the drive of vertical feeding component along the generatrix direction of the pending test specimen of low melting point metal (10) of cylindrical shape carry out travelling roll over rub, the pending test specimen of cooling component (13) low melting point metal to the cylindrical shape in the course of processing (10) cools, described electromagnetic component provides electromagnetic field for the pending test specimen of low melting point metal.
7. realize low melting point metal mangneto plastic area as claimed in claim 6 to rub to rolling the device of super-refinement method, it is characterized in that, described pressure control milling component comprises milling head (1) and the forcer (3) that be connected coaxial with milling head (1), and forcer (3) is fixedly connected with the mobile terminal of vertical feeding component is vertical.
8. realize low melting point metal mangneto plastic area as claimed in claim 7 to rub to rolling the device of super-refinement method, it is characterized in that, the milling face of described milling head (1) is arc, and the radian of arc is
9. realize low melting point metal mangneto plastic area as claimed in claim 6 to rub to rolling the device of super-refinement method, it is characterized in that, described test specimen clamping rotation component comprises three ratchets (8) and rotation motor (7), the pending test specimen of low melting point metal (10) of three ratchets (8) clamp cylinders body shape, rotation motor (7) drives three ratchets (8) to carry out rotation along plane of rotation together with the pending test specimen of the low melting point metal of cylindrical shape (10).
10. realize low melting point metal mangneto plastic area as claimed in claim 9 to rub to rolling the device of super-refinement method, it is characterized in that, described test specimen clamping rotation component also comprises thimble (12), thimble (12) is positioned at the top of three ratchets (8), three ratchets (8) are by a bottom end clamping of pending for the low melting point metal of cylindrical shape test specimen (10), and thimble (12) holds out against in another bottom surface of the pending test specimen of the low melting point metal of cylindrical shape (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610072710.4A CN105568184B (en) | 2016-02-02 | 2016-02-02 | A kind of low-melting-point metal mangneto plasticity is circumferential to roll over rub fine method and its device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610072710.4A CN105568184B (en) | 2016-02-02 | 2016-02-02 | A kind of low-melting-point metal mangneto plasticity is circumferential to roll over rub fine method and its device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105568184A true CN105568184A (en) | 2016-05-11 |
| CN105568184B CN105568184B (en) | 2018-06-01 |
Family
ID=55878795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610072710.4A Expired - Fee Related CN105568184B (en) | 2016-02-02 | 2016-02-02 | A kind of low-melting-point metal mangneto plasticity is circumferential to roll over rub fine method and its device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105568184B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0325660A1 (en) * | 1986-07-22 | 1989-08-02 | Matsushita Electric Industrial Co., Ltd. | Method of heat treatment of low melting -point metal |
| CN101537538A (en) * | 2009-04-24 | 2009-09-23 | 重庆大学 | Integrated pin tool for friction stir welding and composite method of resistance-friction stir welding thereof |
| CN102321791A (en) * | 2011-09-19 | 2012-01-18 | 西北有色金属研究院 | A kind of method of utilizing sliding friction to realize making Nano surface of metal material |
| CN103643190A (en) * | 2013-12-17 | 2014-03-19 | 江苏大学 | Method for improving plastic deformation capacity of aluminum matrix composite |
| CN104647189A (en) * | 2015-01-26 | 2015-05-27 | 上海交通大学 | Device for mechanically grinding magnesium alloy and grinding method based on device |
| CN105238916A (en) * | 2015-09-30 | 2016-01-13 | 北京有色金属研究总院 | Device and method for treating surface layer of metal material through plastic deformation |
-
2016
- 2016-02-02 CN CN201610072710.4A patent/CN105568184B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0325660A1 (en) * | 1986-07-22 | 1989-08-02 | Matsushita Electric Industrial Co., Ltd. | Method of heat treatment of low melting -point metal |
| CN101537538A (en) * | 2009-04-24 | 2009-09-23 | 重庆大学 | Integrated pin tool for friction stir welding and composite method of resistance-friction stir welding thereof |
| CN102321791A (en) * | 2011-09-19 | 2012-01-18 | 西北有色金属研究院 | A kind of method of utilizing sliding friction to realize making Nano surface of metal material |
| CN103643190A (en) * | 2013-12-17 | 2014-03-19 | 江苏大学 | Method for improving plastic deformation capacity of aluminum matrix composite |
| CN104647189A (en) * | 2015-01-26 | 2015-05-27 | 上海交通大学 | Device for mechanically grinding magnesium alloy and grinding method based on device |
| CN105238916A (en) * | 2015-09-30 | 2016-01-13 | 北京有色金属研究总院 | Device and method for treating surface layer of metal material through plastic deformation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105568184B (en) | 2018-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mori | Smart hot stamping of ultra-high strength steel parts | |
| Tayebi et al. | Formability analysis of dissimilar friction stir welded AA 6061 and AA 5083 blanks by SPIF process | |
| CN103170798B (en) | A kind of processing method of high-quality large-diameter thin-wall metal cylinder | |
| KR101450975B1 (en) | Bent member, and device and method for manufacturing same | |
| CN103949513A (en) | Manufacturing method, manufacturing apparatus and continuous manufacturing apparatus for bent products | |
| CN108687160B (en) | Aluminum alloy plate treatment process | |
| CN103882354B (en) | A kind of thermal treatment process of remarkable lifting aluminium alloy over-all properties | |
| CN102729048A (en) | Aluminium alloy bumper bar section bar bending forming method and device for automobile | |
| CN102632175A (en) | Radial forging process of cast-state magnesium alloy tube | |
| CN103990947A (en) | Manufacturing method for Al-Mg alloy hub | |
| CN109647882A (en) | A kind of high-strength high-plastic nano-stack material and preparation method thereof | |
| Yoon et al. | Preform effect on the plastic deformation behavior of workpieces in equal channel angular pressing | |
| CN101367103B (en) | Magnesium alloy sheet material flow forming and molding process | |
| CN107309318B (en) | Plate radial direction differential temperature spinning apparatus and process | |
| Han et al. | Microstructure and formability evolutions of AZ31 magnesium alloy sheets undergoing continuous bending process | |
| CN109943792B (en) | Processing method of reinforced magnesium alloy | |
| CN103276329B (en) | Isothermal processing technology of large-specification sheet of high-strength magnesium alloy | |
| CN108372432A (en) | Plate surface micro-nanoization machinery is multiple to grind method of rubbing | |
| CN105013939B (en) | Stirring friction forming device and technology based on self heating | |
| CN111647832B (en) | Method for circularly rolling and annealing pure magnesium plate | |
| CN105568184A (en) | Low-melting-point metal magnetic induced plastic annular rolling friction ultra-refining method and device thereof | |
| Sun et al. | Numerical and experimental investigations on the effect of mandrel feeding speed for high-speed rail bearing inner ring | |
| CN109252115A (en) | A kind of ultrahigh-strength aluminum alloy material and preparation method thereof | |
| CN105543734A (en) | Low-melting-point metal electrogenerated plasticity circumferential rolling and grinding super-refining method and device | |
| Qian | Numerical Simulation of Hot Stamping Forming of AZ Series Magnesium Alloys and Optimization of Die Process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20210202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |