CN109500487A - Double end friction-welding machine - Google Patents
Double end friction-welding machine Download PDFInfo
- Publication number
- CN109500487A CN109500487A CN201811627824.6A CN201811627824A CN109500487A CN 109500487 A CN109500487 A CN 109500487A CN 201811627824 A CN201811627824 A CN 201811627824A CN 109500487 A CN109500487 A CN 109500487A
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- China
- Prior art keywords
- rolling clamp
- push rod
- clamp
- welding machine
- hydraulic push
- 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.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/125—Rotary tool drive mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/126—Workpiece support, i.e. backing or clamping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
Double end friction-welding machine of the present invention, including lathe bed, control cabinet, spindle box slide unit, main motor, master cylinder and upper slider bed, the inside of the spindle box slide unit is all fixedly installed with rolling clamp set, the opening of the rolling clamp set is connected with clamping piece, the outer wall of the clamping piece is socketed with spacing collar, the top of the spacing collar is welded with connection sheet, both ends inside the rolling clamp set are all provided with fixed mandril, the inner transverse of the rolling clamp set is provided with the first hydraulic push rod, the right side of first hydraulic push rod passes through rolling clamp set and extends to rolling clamp set right side, the upper surface of the lathe bed is provided with slider bed.The present invention uses double end spindle box moving structure, the both ends of workpiece may be implemented while carrying out friction welding processing, without repeatedly being placed, reduce the working strength of operator, the fault rate in secondary placement process is effectively avoided simultaneously, reinforces the production high efficiency of friction-welding machine.
Description
Technical field
The present invention relates to friction-welding machine fields, specially double end friction-welding machine.
Background technique
Friction welding (FW), by the way that two workpiece by mechanical movement and are applied axial compressive force, is realized using frictional heat as heat source
Two workpiece are welded, existing friction-welding machine is usually single-ended welding, when workpiece needs to carry out double end welding, needs to carry out
Two subjob placement operations, reduced welding efficiency, and welding is easy to cause to fail, the clamp structure mistake of existing friction-welding machine
In common without being directed to the reasonable fixture of workpiece setting of different shapes, cause the fixed effect of fixture poor or even direct shadow
Ring the welding effect of welding machine.
Summary of the invention
The purpose of the present invention is to provide double end friction-welding machines, to solve existing friction mentioned above in the background art
Welding machine can not carry out double end welding, and clamp structure does not have the problem of face.
To achieve the above object, the invention provides the following technical scheme: double end friction-welding machine, including lathe bed, control cabinet, master
Axle box slide unit, main motor, master cylinder and upper slider bed, the back side of the lathe bed are provided with control cabinet, the top two sides of the lathe bed
It is all provided with spindle box slide unit, the upper surface of the spindle box slide unit is all fixedly installed with main motor, the spindle box slide unit
Inside is all fixedly installed with rolling clamp set, and the opening of the rolling clamp set is connected with clamping piece, the clamping piece
Outer wall be socketed with spacing collar, the top of the spacing collar is welded with connection sheet, and the both ends inside the rolling clamp set are all set
It is equipped with fixed mandril, the inner transverse of the rolling clamp set is provided with the first hydraulic push rod, the right side of first hydraulic push rod
Side passes through rolling clamp set and extends to rolling clamp set right side, and the upper surface of the lathe bed is provided with slider bed, the spindle box
Slide unit bottom end is fixedly connected with upper slider bed, and master cylinder, the centre of the lathe bed upper surface are provided on the right side of the lathe bed back side
Clamp block is fixedly installed at position, the top of the clamp block is provided with profiling pressing plate, and the front of the clamp block is provided with the second liquid
Push rod to be pressed, is welded with auxiliary piece in the clamp block of second hydraulic push rod bottom end, the inside of the clamp block is plugged with extruding screw,
The clamp block is internally provided with jacking block, and vertically running through inside the clamp block has extension rod, and the top of the clamp block is fixedly mounted
There is fixed link.
Preferably, the fixed mandril covers inner wall with rolling clamp by rotation axis and connect, the upper end of the fixed mandril
Outer wall is socketed with eccentric block, and the bottom end of first hydraulic push rod is provided with support block.
Preferably, it is connected between the clamping piece and rolling clamp set right wall by resistance rotating shaft, the clamping piece passes through
Resistance rotating shaft and rolling clamp set constitute rotational structure.
Preferably, the clamp block is internally provided with through slot, and the inner wall of through slot is provided with internal screw thread, the extruding screw
Outer wall is provided with external screw thread.
Preferably, the spindle box slide unit, main motor, rolling clamp set and clamp block are all provided with 2 groups.
Preferably, first hydraulic push rod and fixed mandril constitute first fixed structure, first hydraulic push rod, limit
Position circle and clamping piece constitute the second fixed structure.
Preferably, the stroke of the spindle box slide unit is 200mm.
Preferably, the rolling clamp set, the first hydraulic push rod and clamping piece composition rolling clamp structure, the clamp block,
Second hydraulic push rod and profiling pressing plate constitute fixing jig structure.
Preferably, the maximum pressure of the fixing jig structure is 15Mpa, and the operating pressure of the clamp structure is
12MPa, the rolling clamp structure maximum pressure 15Mpa, the operating pressure of the rolling clamp structure are 4MPa.
Compared with prior art, the beneficial effects of the present invention are: the present invention uses double end spindle box moving structure, Ke Yishi
The both ends of existing workpiece carry out friction welding processing simultaneously, without repeatedly being placed, reduce the working strength of operator, simultaneously
The fault rate in secondary placement process is effectively avoided, the production high efficiency of friction-welding machine is reinforced；
Main shaft power system of the present invention uses servo principal axis transmission system, can select then a variety of welderings according to different weld diameters
Switch through speed, clutch, brake can be saved by the application of the technology, eliminate user to clutch, brake bush
Maintenance cost, the probability of main shaft failure is reduced, to lower increased production cost stabilization of equipment performance, with alternating current generator phase
Than reducing 35-45% electricity consumption of equipment；
Rolling clamp structure clever structure of the invention, can preferably grip boss-shaped workpiece, to convex
Two curved ends of mesa-shaped workpiece are fixed, structurally reasonable, and by reasonable linkage structure, the first hydraulic push rod is only used only
It can be realized and fix twice, it is easy to control, facilitate placement and takes out workpiece；
Fixing jig structure of the invention uses self-centering hydraulic pressure clamp and profiling presser type, and bottom end is provided with adjusting and prolongs
Formula extension rod is stretched, it is convenient that clamping is fixed to inclined tube, while the different moulding of workpiece can be had more, matched profiling pressure is installed
Plate carries out specific aim according to the moulding of different workpieces and grips, reinforces stability.
Detailed description of the invention
Fig. 1 is stereoscopic schematic diagram of the invention；
Fig. 2 is the structure side view diagrammatic cross-section of fixing jig structure；
Fig. 3 is the structure top cross-sectional view of fixing jig structure；
Fig. 4 is that the structure of rolling clamp structure faces section；
Fig. 5 is the working state schematic representation of rolling clamp structure.
In figure: 1, lathe bed；2, control cabinet；3, spindle box slide unit；4, main motor；5, rolling clamp set；6, clamp block；7, main oil
Cylinder；8, upper slider bed；9, clamping piece；10, spacing collar；11, connection sheet；12, fixed mandril；13, the first hydraulic push rod；14, fixed
Bar；15, the second hydraulic push rod；16, auxiliary piece；17, profiling pressing plate；18, extruding screw；19, jacking block；20, extension rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, a kind of embodiment provided by the invention:
Double end friction-welding machine, including lathe bed 1, control cabinet 2, spindle box slide unit 3, main motor 4, master cylinder 7 and upper slider bed 8,
The back side of lathe bed 1 is provided with control cabinet 2, and the top two sides of lathe bed 1 are all provided with spindle box slide unit 3, the stroke of spindle box slide unit 3
For 200mm, it is suitble to the friction welding compared with machining long workpieces, use scope is more broad, and it is more economical practical, spindle box slide unit 3
Upper surface is all fixedly installed with main motor 4, and the components engaged therewith of main motor 4 constitute servo principal axis transmission system, can root
Then a variety of welding revolving speeds are selected according to different weld diameters, clutch, brake can be saved by the application of the technology, eliminated
User reduces the probability of main shaft failure to the maintenance cost of clutch, brake bush, to lower, increased production cost
Stabilization of equipment performance, reduces 35-45% electricity consumption of equipment compared with alternating current generator.
The inside of spindle box slide unit 3 is all fixedly installed with rolling clamp set 5, and rolling clamp set 5 is connect with transmission one end, real
It now rotates, so that the workpiece that 5 inside of rolling clamp set is fixed can be realized and the workpiece on stationary fixture carries out friction welding, rotation
The opening for turning fixture set 5 is connected with clamping piece 9, and clamping piece 9 and rolling clamp, which cover, to be connected between 5 right walls by resistance rotating shaft
It connecing, clamping piece 9 constitutes rotational structure by resistance rotating shaft and rolling clamp set 5, when the first hydraulic push rod 13 moves back, clamping
Piece 9 deflects under the elastic force of torque rotary shaft, so that spacing collar 10 slides, the outer wall socket of workpiece of conveniently taking, clamping piece 9 is limited
Position circle 10, the first hydraulic push rod 13, spacing collar 10 and clamping piece 9 constitute the second fixed structure, one end of the first hydraulic push rod 13
It is contacted with connection sheet 11, and pushes connection sheet 11 mobile, connection sheet 11 drives spacing collar 10 mobile, and spacing collar 10 is to clamping piece 9
It is limited, so that second workpiece is carried out clamping compression by clamping piece 9, the top of spacing collar 10 is welded with connection sheet 11, rotation
Both ends inside fixture set 5 are all provided with fixed mandril 12, and fixed mandril 12 covers 5 inner walls by rotation axis and rolling clamp and connects
It connects, the flexible connection of fixed mandril 12, facilitates taking and fixing for workpiece, the upper end outer wall of fixed mandril 12 is socketed with bias
Block, it is ensured that when not having workpiece, fixed mandril 12 is in the state opened slightly, the bottom end of the first hydraulic push rod 13 be provided with to
Block, the inner transverse of rolling clamp set 5 are provided with the first hydraulic push rod 13, and rolling clamp covers the 5, first hydraulic push rod 13 and clamping
Piece 9 constitutes rolling clamp structure, and the maximum pressure of fixing jig structure is 15Mpa, and the operating pressure of clamp structure is 12MPa,
The pressure of application ensures that workpiece can go on smoothly friction, and workpiece is avoided to be detached from, improving stability, reinforces safety, the first liquid
Push rod 13 and fixed mandril 12 is pressed to constitute first fixed structure, so that the first hydraulic push rod 13 works, after a period of time, the first liquid
The support block of pressure 13 bottom end of push rod stirs fixed mandril 12, so that fixed mandril 12 is deflected, final fixed mandril 12 is in perpendicular
To state, so that second workpiece is fixed in 12 bottom end of fixed mandril, the right side of the first hydraulic push rod 13 passes through rolling clamp
Set 5 extends to 5 right side of rolling clamp set, and the upper surface of lathe bed 1 is provided with slider bed 8,3 bottom end of spindle box slide unit and upper slider bed 8
It is fixedly connected.
Master cylinder 7 is provided on the right side of 1 back side of lathe bed, the middle position of 1 upper surface of lathe bed is fixedly installed with clamp block 6,
The top of clamp block 6 is provided with profiling pressing plate 17, and clamp block 6, the second hydraulic push rod 15 and profiling pressing plate 17 constitute fixing jig structure,
Rolling clamp structure maximum pressure is 15Mpa, and the operating pressure of rolling clamp structure is 4MPa, is fixed so that workpiece is stable
In fixture, is promoted and stablize fixed effect, the front of clamp block 6 is provided with the second hydraulic push rod 15,15 bottom end of the second hydraulic push rod
Clamp block 6 on be welded with auxiliary piece 16, the inside of clamp block 6 is plugged with extruding screw 18, and clamp block 6 is internally provided with through slot, lead to
The inner wall of slot is provided with internal screw thread, and the outer wall of extruding screw 18 is provided with external screw thread, using helicitic texture, so that extruding screw 18
Forward movement while turning, while avoiding extension rod 20 from moving down using the stability of helicitic texture, the inside setting of clamp block 6
There is jacking block 19, for 6 inside of clamp block vertically through there is extension rod 20, the top of clamp block 6 is fixedly installed with fixed link 14.
Spindle box slide unit 3, main motor 4, rolling clamp set 5 and clamp block 6 are all provided with 2 groups, and it is mobile to constitute double end spindle box
Structure may be implemented the double end of workpiece while carry out friction welding processing, of a tightly knit structure reasonable, easy to operate, more without carrying out
Secondary placement reduces the working strength of operator, while effectively avoiding the fault rate in secondary placement process, reinforces friction-welding machine
Production high efficiency.
Working principle: it in use, providing electric energy by external power supply for single unit system, needs to carry out both-end friction welding
When, the first workpiece is put into inside clamp block 6 first, and orientation restriction is carried out to the first workpiece, is then pressed corresponding on control cabinet 2
Key, control the second hydraulic push rod 15 elongation will pre-fix before and after the first workpiece, the first workpiece needs slant setting
When, turn extruding screw 18, it is mobile that extruding screw 18 pushes jacking block 19 under the action of helicitic texture, the inclined-plane of jacking block 19 with prolong
The contact of incline plane of boom 20 carries out endpoint support to the first workpiece, then confirms the first workpiece so that extension rod 20 is risen
Position, profiling pressing plate 17 matched with the first workpiece is then fixed on 6 top of clamp block so that the first workpiece is integrally fixed,
Rolling clamp structure clever structure can preferably grip boss-shaped workpiece, to two songs of boss-shaped workpiece
Face end is fixed, structurally reasonable, and by reasonable linkage structure, the first hydraulic push rod 13, which is only used only, be can be realized twice admittedly
It is fixed, it is easy to control, facilitate placement and takes out workpiece.
Then to needing the second workpiece of friction welding to install with rolling clamp structure, second workpiece is inserted into first
Inside first hydraulic push rod 13, corresponding key on control cabinet 2 is then pressed, so that the first hydraulic push rod 13 works, at one section
Between after, the support block of 13 bottom end of the first hydraulic push rod stirs fixed mandril 12 so that fixed mandril 12 is deflected, final fixed top
Bar 12 is in vertical state, so that second workpiece is fixed in 12 bottom end of fixed mandril, to 13 bottom end of the first hydraulic push rod
When support block and fixed mandril 12 contact, one end of the first hydraulic push rod 13 is contacted with connection sheet 11, and pushes connection sheet 11 mobile,
Connection sheet 11 drives spacing collar 10 mobile, and spacing collar 10 limits clamping piece 9, so that clamping piece 9 carries out second workpiece
Clamping compresses, and fixing jig structure uses self-centering hydraulic pressure clamp and profiling presser type, and bottom end is provided with adjusting extension and prolongs
Boom 20, it is convenient that clamping is fixed to inclined tube, while the different moulding of workpiece can be had more, matched profiling pressing plate 17 is installed,
Specific aim is carried out according to the moulding of different workpieces to grip, and reinforces stability.
Then the control button on control cabinet 2 is pressed, so that main motor 4 starts, inside main motor 4 and spindle box slide unit 3
The main shaft power system of composition uses servo principal axis transmission system, can select then a variety of welding revolving speeds according to different weld diameters,
Clutch, brake can be saved by the application of the technology, eliminate user to the maintenance of clutch, brake bush at
This, reduces the probability of main shaft failure, to lower increased production cost stabilization of equipment performance, reduces compared with alternating current generator
35-45% electricity consumption of equipment, spindle box slide unit 3 is mobile in upper 8 upper surface of slider bed, so that the first workpiece and second workpiece friction, together
When workpiece between mutual extrusion, carry out double end friction welding, the both ends of workpiece may be implemented while carrying out friction welding processing, nothing
It need to repeatedly be placed, reduce the working strength of operator, while effectively avoid the fault rate in secondary placement process, be reinforced
The production high efficiency of friction-welding machine.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (9)
1. double end friction-welding machine, including lathe bed (1), control cabinet (2), spindle box slide unit (3), main motor (4), master cylinder (7) and
Upper slider bed (8), it is characterised in that: the back side of the lathe bed (1) is provided with control cabinet (2), and the top two sides of the lathe bed (1) are all
It is provided with spindle box slide unit (3), the upper surface of the spindle box slide unit (3) is all fixedly installed with main motor (4), the spindle box
The inside of slide unit (3) is all fixedly installed with rolling clamp set (5), and the opening of the rolling clamp set (5) is connected with folder
It holds piece (9), the outer wall of the clamping piece (9) is socketed with spacing collar (10), and the top of the spacing collar (10) is welded with connection sheet
(11), the internal both ends of the rolling clamp set (5) are all provided with fixed mandril (12), the inside of the rolling clamp set (5)
It is horizontally arranged with the first hydraulic push rod (13), the right side of first hydraulic push rod (13) passes through rolling clamp set (5) and extends to
On the right side of rolling clamp set (5), the upper surface of the lathe bed (1) is provided with slider bed (8), spindle box slide unit (3) bottom end with
Upper slider bed (8) is fixedly connected, and is provided with master cylinder (7) on the right side of lathe bed (1) back side, in lathe bed (1) upper surface
Between be fixedly installed with clamp block (6) at position, the top of the clamp block (6) is provided with profiling pressing plate (17), and the clamp block (6) is just
Face is provided with the second hydraulic push rod (15), is welded with auxiliary piece (16) in the clamp block (6) of the second hydraulic push rod (15) bottom end,
The inside of the clamp block (6) is plugged with extruding screw (18), and the clamp block (6) is internally provided with jacking block (19), the clamp block
(6) internal vertically through having extension rod (20), the top of the clamp block (6) is fixedly installed with fixed link (14).
2. double end friction-welding machine according to claim 1, it is characterised in that: the fixed mandril (12) by rotation axis with
The connection of rolling clamp set (5) inner wall, the upper end outer wall of the fixed mandril (12) are socketed with eccentric block, first hydraulic push rod
(13) bottom end is provided with support block.
3. double end friction-welding machine according to claim 1, it is characterised in that: the clamping piece (9) and rolling clamp set (5)
It is connected between right wall by resistance rotating shaft, the clamping piece (9) constitutes rotary type knot by resistance rotating shaft and rolling clamp set (5)
Structure.
4. double end friction-welding machine according to claim 1, it is characterised in that: the clamp block (6) is internally provided with through slot,
The inner wall of through slot is provided with internal screw thread, and the outer wall of the extruding screw (18) is provided with external screw thread.
5. double end friction-welding machine according to claim 1, it is characterised in that: the spindle box slide unit (3), main motor (4),
Rolling clamp set (5) and clamp block (6) are all provided with 2 groups.
6. double end friction-welding machine according to claim 1, it is characterised in that: first hydraulic push rod (13) and fixed top
Bar (12) constitutes first fixed structure, and it is fixed that first hydraulic push rod (13), spacing collar (10) and clamping piece (9) constitute second
Structure.
7. double end friction-welding machine according to claim 1, it is characterised in that: the stroke of the spindle box slide unit (3) is
200mm。
8. double end friction-welding machine according to claim 1, it is characterised in that: the rolling clamp set (5), the first hydraulic thrust
Bar (13) and clamping piece (9) constitute rolling clamp structure, the clamp block (6), the second hydraulic push rod (15) and profiling pressing plate (17)
Constitute fixing jig structure.
9. double end friction-welding machine according to claim 8, it is characterised in that: the maximum pressure of the fixing jig structure is
15Mpa, the operating pressure of the clamp structure are 12MPa, the rolling clamp structure maximum pressure 15Mpa, the rotating clamp
The operating pressure of lamps structure is 4MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627824.6A CN109500487A (en) | 2018-12-28 | 2018-12-28 | Double end friction-welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627824.6A CN109500487A (en) | 2018-12-28 | 2018-12-28 | Double end friction-welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109500487A true CN109500487A (en) | 2019-03-22 |
Family
ID=65755697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811627824.6A Withdrawn CN109500487A (en) | 2018-12-28 | 2018-12-28 | Double end friction-welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109500487A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110587105A (en) * | 2019-09-27 | 2019-12-20 | 南昌航空大学 | High-efficiency liquid-phase-assisted solid-phase diffusion spot welding method for aluminum/magnesium dissimilar metal |
| CN112518100A (en) * | 2020-12-02 | 2021-03-19 | 陈登全 | Automatic friction welding equipment of transmission shaft |
| CN112917924A (en) * | 2021-04-12 | 2021-06-08 | 中国电子科技集团公司第三十八研究所 | High-speed horizontal triaxial rapid alignment rotary welding device and application thereof |
-
2018
- 2018-12-28 CN CN201811627824.6A patent/CN109500487A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110587105A (en) * | 2019-09-27 | 2019-12-20 | 南昌航空大学 | High-efficiency liquid-phase-assisted solid-phase diffusion spot welding method for aluminum/magnesium dissimilar metal |
| CN112518100A (en) * | 2020-12-02 | 2021-03-19 | 陈登全 | Automatic friction welding equipment of transmission shaft |
| CN112917924A (en) * | 2021-04-12 | 2021-06-08 | 中国电子科技集团公司第三十八研究所 | High-speed horizontal triaxial rapid alignment rotary welding device and application thereof |
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Application publication date: 20190322 |
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| WW01 | Invention patent application withdrawn after publication |