CN205043337U - Welding machine with permanent pressure control friction stir welding aircraft nose - Google Patents
Welding machine with permanent pressure control friction stir welding aircraft nose Download PDFInfo
- Publication number
- CN205043337U CN205043337U CN201520777554.2U CN201520777554U CN205043337U CN 205043337 U CN205043337 U CN 205043337U CN 201520777554 U CN201520777554 U CN 201520777554U CN 205043337 U CN205043337 U CN 205043337U
- Authority
- CN
- China
- Prior art keywords
- constant pressure
- torque sensor
- pressure
- knife
- friction stir
- 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.)
- Active
Links
Landscapes
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The utility model relates to a welding machine with permanent pressure control friction stir welding aircraft nose, the aircraft nose comprises main shaft and main shaft mounting bracket, and constant voltage power handle of a knife is connected with the main shaft, pressure and torque sensor rotor are connected with constant voltage power handle of a knife, and pressure and torque sensor stator are connected with the main shaft mounting bracket, connect the instrument rotatory and reciprocate to transmission system drive constant voltage power handle of a knife and friction stir welding through main shaft and lathe bed Z, realization friction stir welding connects processing. Welding process axial pressure and axial moment of torsion then transmit pressure and torque sensor stator through the pressure that links to each other with constant voltage power handle of a knife and torque sensor rotor on, carry out background processing with data transfer in numerical control system, adjusts Z in real time and carry out the up -and -down motion to the drive disk assembly, and then adjustment Z guarantees to the volume of pushing down that the Z among the welding process is invariable to pressure. Simultaneously, set up vortex cooling module, the temperature of guaranteeing pressure and torque sensor subassembly guarantees to detect the stable of precision and accuracy nature in application range.
Description
Technical field
The utility model relates to agitating friction welding field, is specifically related to a kind of constant pressure and controls friction stir welding head.
Background technology
Friction stir welding (FrictionStirWelding, FSW) is a kind of solid phase plastic joining, has low stress, is out of shape little, green, low energy consumption, can weld the outstanding process characteristic such as each series alloys, is a kind of low energy consumption environmental protection welding procedure.The alternative traditional light metal alloy interconnection technique of friction stir welding is as melting welding, riveted joint etc.; welding process is without the need to solder flux or protective gas; to environmental benefits; do not produce welding flue gas or other gas; to adapt to the requirement of current product in reliability, efficiency, cost, energy consumption, quality of connection etc., comply with industrial products research and development theory instantly.
But current convention stir friction welding technology and equipment exist two problems to be had to be solved:
(1) traditional agitating friction welding jig is uncontrollable to volume under pressure at welding process axis.Due in welding process, welding material face height rises and falls, and needs the axial volume under pressure adjusted in real time in welding process, to ensure excellent welding quality.Axial compressive force in welding process is directly related with intrusion, and rational intrusion will improve welding quality greatly.Z-direction volume under pressure is excessive, and axial compressive force is large, will cause a large amount of overlaps, weld seam lack of fill.Otherwise axial compressive force is little, but intrusion is too small, can bring the defect of not weld penetration.Current agitating friction is welded in welding axis and mainly contains two kinds of modes to the control of volume under pressure.One is adopt the method for manual intervention to make whole process be in the state of open loop Bit andits control, lacks effective online pressure monitor to whole process.Once welding quality goes wrong, re-start welding with regard to needs or carry out rewelding, not only human and material resources, the financial resources of at substantial, the more important thing is that this process has had a strong impact on the process of whole welding production, greatly reduce production efficiency.Two is adopt hydraulic control mode, makes constant pressure in welding process by constant hydraulic-driven power.But to various lubricating oil, hydraulic oil and sensitivity thereof in friction stir welding process, hydraulically powered constant pressure control mode easily produces Leakage, for agitating friction welding quality brings hidden danger.
(2) friction stir welding welding process Axial Force and moment of torsion on-line measurement and monitoring difficulty.Agitating friction welding quality with speed of welding, weld the relating to parameters such as rotating speed, Z-direction volume under pressure.Wherein, due to particularity such as the high temperature of stirring friction-welding technique in welding process, to axial compressive force and the main-shaft torque on-line monitoring difficulty of stir friction welding process, be unfavorable for carrying out the research of welding procedure and building of welding procedure data platform.
Summary of the invention
The utility model overcomes the deficiencies in the prior art, for the above-mentioned defect that traditional agitating friction welding equipment exists, a kind of welding machine controlling friction stir welding head with constant pressure is provided, combining with digital control system, adopt the mode of on-line monitoring axial compressive force and main-shaft torque, Real-Time Monitoring and acquisition process data, automatically adjustment welding intrusion, realize the closed-loop control of stir friction welding process Axial Force and axial volume under pressure, ensure the reliability of welding quality.Meanwhile, by recording pressure and the torque data of on-line monitoring, welding parameter can be optimized further, for welding procedure and equipment preparation provide authentic data.
For achieving the above object, the technical solution adopted in the utility model is: a kind of welding machine controlling friction stir welding head with constant pressure, comprise: lathe bed connects described head by Z axis, described head comprises successively: main shaft installing rack, be arranged on the main shaft on main shaft installing rack, the cutter being arranged on the constant pressure handle of a knife on main shaft and being arranged on constant pressure handle of a knife, it is characterized in that, described constant pressure handle of a knife periphery is provided with pressure and torque sensor rotor, described pressure and torque sensor rotor are connected with pressure and torque sensor stator, described head also comprises digital control system, pressure described in described digital control system data cube computation and torque sensor and described lathe bed.
In the utility model preferred embodiment, be connected by torque keys between described main shaft and described constant pressure handle of a knife.
In the utility model preferred embodiment, described main shaft, described constant pressure handle of a knife and described cutter are all coaxially arranged with described Z axis.
In the utility model preferred embodiment, described pressure and torque sensor stator are arranged on stator mount.
In the utility model preferred embodiment, described cutter periphery is provided with heat radiation installing rack, and described heat radiation installing rack one end and described constant pressure handle of a knife one end contact with each other.
In the utility model preferred embodiment, described heat radiation installing rack peripheral ring around be provided with radiating piece.
In the utility model preferred embodiment, described lathe bed is also provided with eddy current cooling package, described eddy current cooling package, the nozzle be provided with is towards described radiating piece.
In the utility model preferred embodiment, described digital control system is by pressure described in transmission cable data cube computation and torque sensor and described lathe bed.
In the utility model preferred embodiment, described constant pressure handle of a knife periphery is provided with ring fluting around it, and described pressure and torque sensor rotor are fixedly mounted in described fluting.
The solution that the utility model provides is to provide a kind of constant pressure and controls friction stir welding head, mainly comprise agitating friction bonding machine head main body part, constant pressure handle of a knife, pressure and torque sensor assembly, sensor cooling package, friction stir welding tool;
Agitating friction bonding machine head main body part is installed by screw and Z axis slide carriage, realizes the connection of head and lathe bed; Described agitating friction bonding machine head main body part is primarily of main shaft and main shaft installing rack two parts composition; Described constant pressure handle of a knife is connected with main shaft by screw, transmits the moment of torsion in process by torque keys; Pressure and torque sensor assembly are for measuring axial compressive force in welding process and axial moment of torsion; Pressure and torque sensor assembly are primarily of pressure and torque sensor rotor, pressure and torque sensor stator, stator mount composition, and pressure and torque sensor rotor are connected with constant pressure handle of a knife, pressure and torque sensor stator are connected with main shaft installing rack by stator mount; Sensor cooling package is used for cooling pressure and torque sensor assembly, constant pressure handle of a knife, and cutter, mainly comprises heat radiation installing rack, radiating piece and eddy current cooling package; Cutter is connected with constant pressure handle of a knife.
In stir friction welding process, pass through main shaft, constant pressure handle of a knife is driven to rotate and press down, and then cutter is moved downward and rotates to weld workpiece, pressure and torque sensor rotor are connected with constant pressure handle of a knife, in welding process, axial pressing force and main-shaft torque are by friction stir welding tool and constant pressure handle of a knife, be delivered on pressure and torque sensor rotor, feed data back in digital control system by pressure and torque sensor stator and pressure and torque sensor rotor, digital control system is by back-end data process, real-time adjustment Z-direction volume under pressure, and then realize constant pressure closed-loop control in welding process.
Further, described heat radiation installing rack is connected with constant pressure handle of a knife, friction stir welding tool, in welding process, heat is passed to heat radiation installing rack by cutter, eddy current cooling package carries out eddy current cooling to radiating piece, and then cooling heat dissipation installing rack, prevents constant pressure handle of a knife temperature too high, and then prevent pressure and torque sensor assembly temperature too high, ensure the certainty of measurement of pressure and torque sensor assembly.
The utility model compared with prior art, its remarkable advantage:
The utility model is by setting pressure and torque sensor assembly on handle of a knife, can Real-Time Monitoring welding processing process Axial Force and main-shaft torque, and by integrated with digital control system, axial volume under pressure in welding process is controlled in real time, realize simple, workable in Control & data acquisition.
The utility model constant pressure handle of a knife is connected with pressure and torque sensor rotor, by pressure and torque sensor stator, the axial compressive force in process and axial moment of torsion are carried out Real-Time Monitoring, compared to installation and workbench or other Sensor monitoring modes, the data of monitoring are main shaft axially loaded situation, more direct reliable.
The utility model is simple and compact for structure, in the practical engineering application of agitating friction welding, easy for installation and installing space is not subject to workbench and workpiece restriction, controls to provide a feasible scheme for agitating friction solder technology is applied to the Real-Time Monitoring of limited space, complex-curved weld force and moment of torsion and constant pressure.
The utility model is integrated with agitating friction welding, online data is monitored, Z-direction volume under pressure adjusts and digital control platform integrated technology in real time, structure is simple, data record and observation are conveniently, workable, meet in stir friction welding process the requirement needing to adjust Z-direction volume under pressure in real time, improve welding quality, be optimizing welding process parameter, set up welding cell and provide data supporting.
The utility model is provided with eddy current cooling system, avoids welding temperature in welding process to be passed to pressure and torque sensor assembly temperature is too high, detects the coarse problem of data and occurs.
The utility model can realize the agitating friction welding of different-thickness workpiece in certain limit by changing pressure and torque sensor range and main shaft according to reality.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the constant pressure control friction stir welding machine of preferred embodiment of the present utility model;
Fig. 2 is the structural representation of the constant pressure control friction stir welding head of preferred embodiment of the present utility model;
In figure: 1, main shaft, 2, main shaft installing rack, 3, constant pressure handle of a knife, 4, torque keys, 5, pressure and torque sensor rotor, 6, pressure and torque sensor stator, 7, stator mount, 8, cutter, 9, dispel the heat installing rack, and 10, radiating piece, 11, eddy current cooling package, 12, lathe bed, 13, head.
Detailed description of the invention
Be described in further detail the utility model in conjunction with the accompanying drawings and embodiments now, these accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
See the accompanying drawing that the utility model embodiment is shown, hereafter in more detail the utility model will be described.But the utility model can realize in many different forms, and should not be construed as by the restriction in the embodiment of this proposition.
As depicted in figs. 1 and 2, the constant pressure that the utility model preferred embodiment provides controls agitating friction bonding machine and comprises: main shaft 1, main shaft installing rack 2, constant pressure handle of a knife 3, torque keys 4, pressure and torque sensor rotor 5, pressure and torque sensor stator 6, stator mount 7, cutter 8, heat radiation installing rack 9, radiating piece 10, eddy current cooling package 11.
The main element of agitating friction bonding machine head 13 is installed by screw and Z axis slide carriage, realizes the connection of the utility model head and lathe bed 12, forms primarily of agitating friction welding main shaft 1, agitating friction welding main shaft installing rack 2.Pressure and torque sensor rotor 5, pressure and torque sensor stator 6 decomposition pressure and torque sensor assembly.By main shaft drives constant pressure handle of a knife 3, carry its tools 8 rotates, and is moved axially by the Z axis of lathe bed 12, and agitating friction bonding machine head 13 main element moves up and down, and completes agitating friction welding process.In welding process, axial compressive force and axial moment of torsion are passed on pressure and torque sensor stator 6 by the pressure that is connected with constant pressure handle of a knife 3 and torque sensor rotor 5, are integrated in digital control system through data cable.By digital control system data processing, adjustment Z-direction volume under pressure, and then adjustment axial compressive force, the constant pressure realizing stir friction welding process controls, and completes the automation adjustment of Z-direction volume under pressure.
In sum, stir friction welding process is completed by constant pressure handle of a knife 3, cutter 8 under the driving of the axial drive disk assembly of the Z axis of main shaft 2 and lathe bed 12, adopt the axial compressive force in the integrated real-time monitoring welding process of pressure and torque sensor assembly and digital control system and axial moment of torsion, and by data that digital control platform background process obtains, real-time adjustment Z-direction volume under pressure, the constant pressure realized in stir friction welding process controls.
In pressure and torque sensor assembly, wherein pressure and torque sensor rotor are connected integrator with constant pressure handle of a knife, make the data of pressure and torque sensor assemblies monitor be the immediate data of main shaft axial compressive force and axial moment of torsion in welding process.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; the Method and Technology content of above-mentioned announcement can be utilized to make possible variation and amendment to technical solutions of the utility model; therefore; every content not departing from technical solutions of the utility model; the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all belong to the protection domain of technical solutions of the utility model.
Claims (9)
1. one kind controls the welding machine of friction stir welding head with constant pressure, lathe bed connects described head by Z axis, described head comprises successively: main shaft installing rack, be arranged on the main shaft on main shaft installing rack, the cutter being arranged on the constant pressure handle of a knife on main shaft and being arranged on constant pressure handle of a knife, it is characterized in that, described constant pressure handle of a knife periphery is provided with pressure and torque sensor rotor, described pressure and torque sensor rotor are connected with pressure and torque sensor stator, described head also comprises digital control system, pressure described in described digital control system data cube computation and torque sensor and described lathe bed.
2. a kind of welding machine controlling friction stir welding head with constant pressure according to claim 1, be is characterized in that: be connected by torque keys between described main shaft and described constant pressure handle of a knife.
3. a kind of welding machine controlling friction stir welding head with constant pressure according to claim 1, is characterized in that: described main shaft, described constant pressure handle of a knife and described cutter are all coaxially arranged with described Z axis.
4. a kind of welding machine controlling friction stir welding head with constant pressure according to claim 1, is characterized in that: described pressure and torque sensor stator are arranged on stator mount.
5. a kind of welding machine controlling friction stir welding head with constant pressure according to claim 1, it is characterized in that: described cutter periphery is provided with heat radiation installing rack, described heat radiation installing rack one end and described constant pressure handle of a knife one end contact with each other.
6. a kind of welding machine controlling friction stir welding head with constant pressure according to claim 5, is characterized in that: described heat radiation installing rack peripheral ring around be provided with radiating piece.
7. a kind of welding machine controlling friction stir welding head with constant pressure according to claim 6, it is characterized in that: described lathe bed is also provided with eddy current cooling package, described eddy current cooling package, the nozzle be provided with is towards described radiating piece.
8. a kind of welding machine controlling friction stir welding head with constant pressure according to claim 1, is characterized in that: described digital control system is by pressure described in transmission cable data cube computation and torque sensor and described lathe bed.
9. a kind of welding machine controlling friction stir welding head with constant pressure according to claim 1, is characterized in that: described constant pressure handle of a knife periphery is provided with ring fluting around it, and described pressure and torque sensor rotor are fixedly mounted in described fluting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777554.2U CN205043337U (en) | 2015-10-09 | 2015-10-09 | Welding machine with permanent pressure control friction stir welding aircraft nose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777554.2U CN205043337U (en) | 2015-10-09 | 2015-10-09 | Welding machine with permanent pressure control friction stir welding aircraft nose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205043337U true CN205043337U (en) | 2016-02-24 |
Family
ID=55336952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777554.2U Active CN205043337U (en) | 2015-10-09 | 2015-10-09 | Welding machine with permanent pressure control friction stir welding aircraft nose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205043337U (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105834577A (en) * | 2016-06-20 | 2016-08-10 | 江苏通宇钢管集团有限公司 | Steel pipe friction stir welding device based on pressure feedback and resistive auxiliary heating as well as welding method |
| CN105855691A (en) * | 2016-06-20 | 2016-08-17 | 江苏科技大学 | Multifunctional friction stir welding tool |
| CN105855692A (en) * | 2016-06-20 | 2016-08-17 | 江苏通宇钢管集团有限公司 | Steel tube friction stirring welding tool based on torque and vibration feedback and welding method |
| CN106141420A (en) * | 2016-08-06 | 2016-11-23 | 姜海 | Agitating friction soldering set based on pressure feedback and welding method |
| CN106141419A (en) * | 2016-08-06 | 2016-11-23 | 姜海 | Agitating friction soldering set and welding method |
| CN106141418A (en) * | 2016-08-06 | 2016-11-23 | 姜海 | The flexible steel pipe agitating friction soldering set started and welding method |
| CN106141417A (en) * | 2016-08-06 | 2016-11-23 | 姜海 | Steel pipe agitating friction soldering set and welding method |
| CN106513980A (en) * | 2016-11-02 | 2017-03-22 | 上海航天设备制造总厂 | Intelligent shank system for friction stir welding force and torque on-line measurement |
| CN106735848A (en) * | 2016-12-22 | 2017-05-31 | 中车唐山机车车辆有限公司 | The control method and equipment of agitating friction weldering |
| CN106914696A (en) * | 2017-03-15 | 2017-07-04 | 兰州理工大学 | A kind of agitating friction welds volume under pressure Automatic adjustment method |
| CN107813045A (en) * | 2017-10-19 | 2018-03-20 | 上海拓璞数控科技股份有限公司 | Large-scale curved five axles agitating friction welding device for pressure measurement and scaling method |
| CN107894791A (en) * | 2017-11-24 | 2018-04-10 | 吉林大学 | A kind of agitating friction weldering head torque control device become based on electric current and control method |
| CN108436246A (en) * | 2018-03-27 | 2018-08-24 | 上海航天设备制造总厂有限公司 | Handle of a knife, agitating friction weldering welder and welding method |
| CN109323724A (en) * | 2018-11-02 | 2019-02-12 | 东华大学 | A kind of power heat integration test sensor with thermal protection function |
| CN109551098A (en) * | 2018-12-11 | 2019-04-02 | 上海航天设备制造总厂有限公司 | A kind of floating type constant pressure control Friction Stir Welding device and method |
| CN109570733A (en) * | 2019-01-07 | 2019-04-05 | 湖南坤鼎数控科技有限公司 | A kind of agitating friction weldering spindle inclination angle adjusting structure |
| CN110039171A (en) * | 2019-05-29 | 2019-07-23 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of friction stir welding method and stirring friction welding system |
| CN110548987A (en) * | 2019-09-23 | 2019-12-10 | 航天工程装备（苏州）有限公司 | friction stir welding process test platform system and tool |
| CN113231730A (en) * | 2021-04-15 | 2021-08-10 | 上海发那科机器人有限公司 | Hydraulic drive control robot friction stir welding electric spindle |
-
2015
- 2015-10-09 CN CN201520777554.2U patent/CN205043337U/en active Active
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105855691A (en) * | 2016-06-20 | 2016-08-17 | 江苏科技大学 | Multifunctional friction stir welding tool |
| CN105855692A (en) * | 2016-06-20 | 2016-08-17 | 江苏通宇钢管集团有限公司 | Steel tube friction stirring welding tool based on torque and vibration feedback and welding method |
| CN105834577A (en) * | 2016-06-20 | 2016-08-10 | 江苏通宇钢管集团有限公司 | Steel pipe friction stir welding device based on pressure feedback and resistive auxiliary heating as well as welding method |
| CN106141420A (en) * | 2016-08-06 | 2016-11-23 | 姜海 | Agitating friction soldering set based on pressure feedback and welding method |
| CN106141419A (en) * | 2016-08-06 | 2016-11-23 | 姜海 | Agitating friction soldering set and welding method |
| CN106141418A (en) * | 2016-08-06 | 2016-11-23 | 姜海 | The flexible steel pipe agitating friction soldering set started and welding method |
| CN106141417A (en) * | 2016-08-06 | 2016-11-23 | 姜海 | Steel pipe agitating friction soldering set and welding method |
| CN106513980A (en) * | 2016-11-02 | 2017-03-22 | 上海航天设备制造总厂 | Intelligent shank system for friction stir welding force and torque on-line measurement |
| CN106735848B (en) * | 2016-12-22 | 2019-10-11 | 中车唐山机车车辆有限公司 | The control method and equipment of agitating friction weldering |
| CN106735848A (en) * | 2016-12-22 | 2017-05-31 | 中车唐山机车车辆有限公司 | The control method and equipment of agitating friction weldering |
| CN106914696A (en) * | 2017-03-15 | 2017-07-04 | 兰州理工大学 | A kind of agitating friction welds volume under pressure Automatic adjustment method |
| CN107813045A (en) * | 2017-10-19 | 2018-03-20 | 上海拓璞数控科技股份有限公司 | Large-scale curved five axles agitating friction welding device for pressure measurement and scaling method |
| CN107813045B (en) * | 2017-10-19 | 2020-10-09 | 上海拓璞数控科技股份有限公司 | Calibration method of large-scale curved surface five-axis friction stir welding pressure measurement device |
| CN107894791A (en) * | 2017-11-24 | 2018-04-10 | 吉林大学 | A kind of agitating friction weldering head torque control device become based on electric current and control method |
| CN108436246A (en) * | 2018-03-27 | 2018-08-24 | 上海航天设备制造总厂有限公司 | Handle of a knife, agitating friction weldering welder and welding method |
| CN109323724A (en) * | 2018-11-02 | 2019-02-12 | 东华大学 | A kind of power heat integration test sensor with thermal protection function |
| CN109551098A (en) * | 2018-12-11 | 2019-04-02 | 上海航天设备制造总厂有限公司 | A kind of floating type constant pressure control Friction Stir Welding device and method |
| CN109570733A (en) * | 2019-01-07 | 2019-04-05 | 湖南坤鼎数控科技有限公司 | A kind of agitating friction weldering spindle inclination angle adjusting structure |
| CN110039171A (en) * | 2019-05-29 | 2019-07-23 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of friction stir welding method and stirring friction welding system |
| CN110039171B (en) * | 2019-05-29 | 2023-11-21 | 广东省科学院中乌焊接研究所 | Friction stir welding method and friction stir welding system |
| CN110548987A (en) * | 2019-09-23 | 2019-12-10 | 航天工程装备（苏州）有限公司 | friction stir welding process test platform system and tool |
| CN113231730A (en) * | 2021-04-15 | 2021-08-10 | 上海发那科机器人有限公司 | Hydraulic drive control robot friction stir welding electric spindle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205043337U (en) | Welding machine with permanent pressure control friction stir welding aircraft nose | |
| CN107803583B (en) | Drawing type inertia friction welding method and device | |
| CN102621931B (en) | On-line monitoring system for friction stir welding and on-line monitoring method thereof | |
| CN101972892A (en) | Multifunctional friction welding table | |
| CN103506761B (en) | Gear by Laser weld jig | |
| CN103084730B (en) | Friction welding electro spindle | |
| WO2011050750A1 (en) | Vertical turning-milling complex machining center | |
| CN202667942U (en) | Laser welding fixture for gear | |
| CN101699021A (en) | Friction welding type kelly bar | |
| CN103350278A (en) | Pressure-controlled friction stir welding main shaft head device | |
| CN201841358U (en) | Multifunctional friction welding table | |
| CN105215537A (en) | A kind of agitating friction that is used for welds AC Double swing head head | |
| CN203062084U (en) | Friction welding electric spindle | |
| CN105241682B (en) | Reliability testing stand of tailstock of heavy type machine tool | |
| CN202684239U (en) | Portable machining device for internal threads | |
| CN202240014U (en) | Operating platform for inductive welding devices | |
| CN105921878B (en) | A kind of agitating friction soldering set of compound heat production | |
| CN111575701B (en) | Production line for laser cladding of drill bit | |
| CN110548987A (en) | friction stir welding process test platform system and tool | |
| US20170197255A1 (en) | Cartesian Pipe Facer | |
| CN205043341U (en) | Be used for friction stir welding to connect AC double pendulum head aircraft nose | |
| CN204413239U (en) | A kind of portable universal milling machine | |
| CN215545764U (en) | Friction stir welding system | |
| CN103464961A (en) | Round ring seam welding clamp as well as bent head and straight pipe welding method | |
| CN205660394U (en) | Carousel formula automatic weld attacks tooth machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |