CN108890118A - A kind of titanium or titanium alloy agitating friction weldering back assisted heating device - Google Patents
A kind of titanium or titanium alloy agitating friction weldering back assisted heating device Download PDFInfo
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- CN108890118A CN108890118A CN201810987336.XA CN201810987336A CN108890118A CN 108890118 A CN108890118 A CN 108890118A CN 201810987336 A CN201810987336 A CN 201810987336A CN 108890118 A CN108890118 A CN 108890118A
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- welding
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- heating
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- 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
-
- 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
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
A kind of titanium or titanium alloy agitating friction weldering back assisted heating device,Including support plate and control system,The support plate is formed by welding with back backing plate and fixed back backing plate splicing,Welding back backing plate is located at immediately below welding region,Fixed back backing plate is located at immediately below non-solder region,Welding is provided with several thermocouples being spaced apart with back pad surfaces along its length,Welding is provided with heating component distributed along its length with back pad intralamellar part,Thermocouple and heating component are connect with control system,It detects welding back pad surfaces temperature by thermocouple and will test data and pass to control system,Control system adjusts heating component according to detection data and maintains set temperature to control welding with back pad surfaces temperature,The present invention utilizes effectively control heating temperature,Eliminate slab titanium alloy welding root defect,Abrasion of the stirring-head in welding is reduced simultaneously,Improve titanium alloy Friction Stir Welding quality and efficiency.
Description
Technical field
The present invention relates to a kind of heating devices, assist adding with back more particularly, to a kind of titanium or titanium alloy agitating friction weldering
Thermal.
Background technique
It is 1991 by welding technique research institute of Britain that agitating friction, which welds (Friction Stir Welding, FSW) technology,
（TWI) the novel solid phase joining technique invented.It is achieved at present in the welding field of the light metal materials such as aluminium, magnesium important
Progress.The various advantages of simple, high-quality, efficient, environmentally friendly and automation based on agitating friction welding technology etc., through passing away
20 years of researches and exploitation within the scope of boundary, agitating friction weld the development attracted attention very much in light metal material field
With many successful industrial applications.The mode of this agitating friction weldering is particularly suitable for aluminium, magnesium, titanium alloy, especially
Thickness is less than the welding between 2mm titanium-alloy thin-plate.But there are biggish difficulty for the titanium alloy for thickness greater than 2mm, it is main
If root defect and stirring-head vertex abrasion, this is mainly due to titanium alloy thermal conductivity is poor, thick plates temperature gradient increases
Greatly, especially in the insertion stage, since heat production is insufficient at the top of stirring-head, shaft shoulder heat production cannot conduct downwards in time, lead to weld seam
Root is easy to produce defect, and certain abrasion is also resulted in stirring-head, influences entire welding quality.
Currently, weld the method improved to agitating friction there is also part in the prior art, such as：Patent
A kind of heating friction stir welding method disclosed in CN201010188310.2 is adopted while agitating friction weldering in the technology
It is heated with resistance furnace, energy charge is larger, while temperature control difficulty is big, still can not be fully solved the above problem.
In addition, in CN200710092974.7, CN200810236447.3, CN200910103686.6 and CN200910103687.0
Etc. in patented technologies, also agitating friction weldering is improved, increases composite heat power supply, but its galvanic circle using galvanic circle
Comprising stirring-head, the stirring-head lost of life will lead to, while conductive region is big, cause to operate dangerous, energy charge is larger etc.
Defect, so that operability reduces.Therefore need to design accurate heating of the protective device realization in back to titanium alloy position to be welded.
Summary of the invention
The purpose of the present invention is lead to root to solve the deficiency of titanium or titanium alloy agitating friction root of weld portion heat production in the prior art
Portion leads to the problem of defect and causes stirring-head vertex abrasion, provides a kind of titanium or titanium alloy agitating friction weldering and is assisted with back
Heating device.
The deficiency of the present invention to solve above-mentioned technical problem, used technical solution are：
A kind of titanium or titanium alloy agitating friction weldering back assisted heating device, including be used to support weldment and be mounted on work
Support plate on platform and the control system for controlling entire heating device, the support plate is by welding back backing plate and admittedly
Surely with back backing plate splicing composition, welding back backing plate is located at immediately below welding region, fixed to be located at non-weldering with back backing plate
It connects immediately below region, welding is provided with several temperature measuring units being spaced apart with back pad surfaces along its length, welds
Back pad intralamellar part is provided with heating component distributed along its length, by heating component to welding with back backing plate into
Row heating changes the temperature of weldment bottom in welding region, and temperature measuring unit and heating component are connect with control system, passes through thermometric
Unit, which detects welding back pad surfaces temperature and will test data, passes to control system, and control system is according to detection data
It adjusts heating component and maintains set temperature to control welding with back pad surfaces temperature, which constitutes the heating of device
Main body, it is determined that the range of heating, welding back backing plate and fixation primarily serve the support for treating welding plate material with back backing plate,
Guarantee the fixed flatness of plate to be welded, heating component guarantees plus thermogenetic heat can effectively be conducted to test plate (panel) to be welded.
Heating component mainly plays the role of precisely heating to back backing plate, and heating component itself does insulation processing.
Welding back backing plate and fixation are made with back backing plate of heat-conducting.
Welding back backing plate and fixation prevent welding from using with side wall heat insulation layer is provided between the backing plate of back
The heat transfer of back backing plate uses back backing plate to fixed.
The welding is with back backing plate far from being covered with bottom thermal insulation layer in the one side of weldment to prevent welding back
The heat transfer of backing plate is all made of layered laminate heat insulating construction or honeycomb to workbench, the side wall heat insulation layer and bottom thermal insulation layer
Any one in shape heat insulating construction.Side wall heat insulation layer and bottom thermal insulation layer are mainly to guarantee that the heat of heating is accurately applied
To test plate (panel) to be heated, effectively avoid heating in vain and the waste of energy consumption caused by heat loss.Wherein side wall insulation passes through design level
Stacked configuration or honeycomb heat insulating construction effectively completely cut off the conduction of heat, heating rod heat are avoided to conduct to non-plate to be welded
Position, which causes energy consumption waste and non-area to be welded temperature to increase, influences plate structure property.Bottom insulation passes through design layered laminate knot
Structure or honeycomb heat insulating construction effectively completely cut off conduction of the heat to welding operating platform, heat loss are avoided to cause heat dissipation
Cause energy charge huge so that heating temperature and rate are greatly reduced.
Cooling component distributed along its length is provided in fixation back backing plate in order to which cooling is located at
Weldment in non-solder region.
The cooling component is to be provided with the fixed cooling duct in the backing plate of back along its length, in cooling duct
It is passed through the coolant liquid of flowing, the part is mainly by carrying out water cooling with back backing plate to fixed, to guarantee that top test plate (panel) is cold
But cool down, avoid heating location plate temperature conduction, the regional temperature is caused to increase the performance for influencing connector.Wherein fixed back
Portion's backing plate has primarily served the padded fixation for treating test piece for welding, and the fixation that guarantee test plate (panel) is consolidated on the table, simultaneously will
The heat of the outer test plate (panel) of test plate (panel) welding region to be welded is effectively conducted, and has this partial heat by the cooling system inside backing plate
Effect is taken away, to guarantee that the temperature of non-solder position test plate (panel) is controlled in reasonable temperature range, avoids material and air reaction,
The stability of material property is effectively ensured.Cooling component is mainly to pass through the runner that fixed backing plate back is arranged to pass fixed backing plate
The heat for the non-solder position test plate (panel) led is taken away, to guarantee that the part test plate (panel) temperature in lower temperature range, will not generate
The variation of structure property.
The coolant liquid is water.
The heating component uses any one in the heating wire of single layer heating wire or multiple-layer stacked, heating wire
One layer of insulating sleeve is wrapped up in outside, is machined with through-hole distributed along its length in welding back backing plate, heating component is worn
It is located in through-hole.
The control system includes heating system, temp measuring system and control cabinet, and the heating system includes heater wire
Road and short circuit protect system, and heating line and short circuit protection system are connect with heating component, and temp measuring system includes
Thermometric route and temperature feedback system, temperature measuring unit connect the temperature information that will test with temperature feedback system by thermometric route
Temperature feedback system is passed to, temperature feedback system connect the temperature detected according to temperature measuring unit with heating component by heating line
It spends information and adjusts heating component, temperature feedback system setting is additionally provided with control whole system inside control cabinet, on control cabinet
The switch of power on/off is provided with temperature indicator and temperature regulator, temperature indicator and temperature regulator on control cabinet side wall
It is connect with temperature feedback system, temperature regulator can set welding back pad surfaces temperature.
Heating line carries out power transmission according to the rate of heat addition of setting, and short circuit protection system is heated back by detection
Road current signal, it is breaking in time when occurring abnormal, to guarantee the safety of equipment and personnel.Temperature measuring unit mainly uses welding
Back pad plate temperature is detected, and the temperature that will test returns to temperature feedback system, temperature feedback system by thermometric route
The temperature data that system is returned according to the heating temperature, the rate of heat addition and temperature measuring unit of setting, is adjusted heating power, thus
Realization is precisely controlled heating temperature.Temperature indicator and temperature regulator mainly to the display of heating temperature relevant parameter and
Setting.
The temperature measuring unit is using any one in thermocouple or infrared radiation thermometer
The beneficial effects of the invention are as follows：The present invention accurately heats composition backing using resistance heating device, effectively controls
Heating temperature promotes plate plasticity in position to be welded, eliminates slab titanium alloy welding root defect, while reducing stirring-head and welding
Abrasion when connecing improves titanium alloy Friction Stir Welding quality and efficiency.
Precisely heating is realized by the heating of temperature measuring unit thermometric and resistance heating device, avoids prior art heating temperature
Unevenly, and that there are conductive regions is big, leads to problems such as to operate dangerous, is further ensured by short-circuit protection
The safety operated in heating and welding process.
It avoids heating non-solder region by side wall insulation, the performance of non-solder region plate is effectively guaranteed, together
When realize accurate heating to to-be-welded region.In addition, fixation is carried out the heat in non-solder region effectively with back backing plate
Conduction, further controls the temperature in non-solder region.
Bottom insulation effectively avoids heat and conducts downwards, to realize high-efficiency heating, reduces heating energy consumption, mentions
High capacity usage ratio.The plasticity of material, reduces material to be welded when the present invention can greatly improve agitating friction weldering welding
Intensity improves the service life of stirring head material, extends the process window of material to be welded, the big temperature gradient of slab is avoided to cause
Root weld defect, to obtain the welding point of zero defect high quality.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Diagram label：1, welding back backing plate；2, temperature measuring unit；3, fixed to use back backing plate；4, cooling component；5, side
Wall heat insulation layer；6, heating component；7, bottom thermal insulation layer；8, temperature control circuits；9, heating line；10, control cabinet；11, temperature display
Device；12, it switchs.
Specific embodiment
Specific embodiment is as follows：
Embodiment 1：
Embodiment is described with reference to Fig. 1, the titanium alloy primarily directed to thickness greater than 2mm, to process 4mm thickness in the application
For titanium alloy, a kind of titanium or titanium alloy agitating friction weldering the back assisted heating device, including heating group of present embodiment
Part, four part of cooling component, heat insulation layer and control system.
A kind of titanium or titanium alloy agitating friction weldering back assisted heating device, including be used to support weldment and be mounted on
Support plate on workbench and the control system for controlling entire heating device, the support plate is by a welding back
Backing plate 1 and two fixations back backing plate 3 splice composition, welding back backing plate 1 be folded in two pieces of fixation use back backing plate 3 it
Between, welding back backing plate 1 is located at immediately below welding region, and fixed back backing plate 3 is located at immediately below non-solder region, welding
It is provided with several temperature measuring units 2 being spaced apart along its length with 1 surface of back backing plate, temperature measuring unit uses thermocouple,
Welding is provided with heating component 6 distributed along its length with back pad intralamellar part, and the heating component 6 is using single layer electricity
One layer of insulating sleeve is wrapped up in heated filament, the outside of heating wire, is machined in welding back backing plate distributed along its length logical
Hole, heating component are threaded through in through-hole.Weld in heating change welding region with back backing plate by 6 pairs of welding of heating component
The temperature of part bottom, temperature measuring unit 2 and heating component 6 are connect with control system, detect welding back pad by temperature measuring unit 2
1 surface temperature of plate simultaneously will test data and pass to control system, and control system adjusts heating component 6 according to detection data to control
Welding maintains set temperature with back pad surfaces temperature, which constitutes the Heating body of device, it is determined that heating
Range, welding back backing plate and fixation primarily serve the support for treating welding plate material with back backing plate, guarantee that plate to be welded is fixed
Flatness, heating component guarantee plus thermogenetic heat can effectively conduct to test plate (panel) to be welded.Heating component is mainly pair
Back backing plate plays the role of precisely heating, and heating component itself does insulation processing.
Welding back backing plate 1 and fixation are made with back backing plate 3 of heat-conducting.
Welding back backing plate 1 and fixed with being provided with side wall heat insulation layer 5 between back backing plate 3 to prevent from welding
Back backing plate 3 is used to fixed with the heat transfer of back backing plate, and the welding is with back backing plate 1 far from covering in the one side of weldment
Bottom thermal insulation layer 7 is stamped to prevent the heat transfer of welding back backing plate to workbench, the side wall heat insulation layer 5 uses layer
Stacked heat insulating construction, bottom thermal insulation layer 7 use honeycomb heat insulating construction.Side wall heat insulation layer and bottom thermal insulation layer mainly guarantee to add
The heat of heat is accurately applied to test plate (panel) to be heated, effectively avoids heating in vain and the waste of energy consumption caused by heat loss.Its
Middle side wall insulation effectively completely cuts off the conduction of heat by design level stacked configuration or honeycomb heat insulating construction, avoids heating rod hot
Amount conduction to the position of non-plate to be welded, which causes energy consumption waste and non-area to be welded temperature to increase, influences plate structure property.Bottom
Insulation is effectively completely cut off conduction of the heat to welding operating platform, is avoided by design level stacked configuration or honeycomb heat insulating construction
Heat loss, which causes heat dissipation that heating temperature and rate are greatly reduced, causes energy charge huge.
Cooling component 4 distributed along its length is provided in fixation back backing plate 3 in order to cooling position
Weldment in non-solder region.The cooling component is to be provided with the fixed cooling in the backing plate of back along its length to lead to
Road, cooling duct are provided with two side by side, and the coolant liquid of flowing is passed through in cooling duct, and the coolant liquid is water.The portion
Divide mainly by carrying out water cooling with back backing plate to fixed, to guarantee that top test plate (panel) cools, avoids heating location plate
Material temperature conduction causes the regional temperature to increase the performance for influencing connector.Wherein fixed primarily served with back backing plate is treated
The padded fixation of test piece for welding, the fixation that guarantee test plate (panel) is consolidated on the table, while will try outside test plate (panel) welding region to be welded
The heat of plate is effectively conducted, and is effectively taken away this partial heat by the cooling system inside backing plate, to guarantee non-
The temperature of welding position test plate (panel) is controlled in reasonable temperature range, avoids material and air reaction, material property is effectively ensured
Stability.Cooling component is mainly the non-solder position test plate (panel) that the runner arranged by fixed backing plate back conducts fixed backing plate
Heat take away, to guarantee that the part test plate (panel) temperature in lower temperature range, will not generate the variation of structure property.
The control system includes heating system, temp measuring system and control cabinet 10, and the heating system includes heating
Route 9 and short circuit protect system, and heating line 9 and short circuit protection system are connect with heating component 6, temp measuring system
Including thermometric route 8 and temperature feedback system, temperature measuring unit 2 is connect with temperature feedback system by thermometric route 8 and be will test
Temperature information passes to temperature feedback system, and temperature feedback system is connect with heating component according to temperature measuring unit by heating line
The temperature information of detection adjusts heating component, and temperature feedback system is arranged inside control cabinet 10, is additionally provided on control cabinet 10
The switch 12 of whole system power on/off is controlled, is provided with temperature indicator 11 and temperature regulator, temperature on 10 side wall of control cabinet
Display and temperature regulator are connect with temperature feedback system, and temperature regulator can set welding back pad surfaces temperature
Degree.Heating line carries out power transmission according to the rate of heat addition of setting, and short circuit protects system to pass through detection heating circuit electricity
Signal is flowed, it is breaking in time when occurring abnormal, to guarantee the safety of equipment and personnel.Temperature measuring unit is mainly to welding back
Backing plate temperature is detected, and the temperature that will test returns to temperature feedback system, temperature feedback system root by thermometric route
According to the temperature data that the heating temperature, the rate of heat addition and temperature measuring unit of setting return, heating power is adjusted, to realize
Heating temperature is precisely controlled.Temperature indicator and temperature regulator mainly the display to heating temperature relevant parameter and are set
It sets.
Embodiment 2：
Embodiment is described with reference to Fig. 1, and a kind of titanium or titanium alloy agitating friction weldering of present embodiment assists heating with back
Device includes heating component, four part of cooling component, heat insulation layer and control system, and cooling component only uses fixed back pad
Plate, no longer addition cooling duct, are no longer passed through coolant liquid, smaller primarily directed to titanium alloy plate thickness, heating temperature is opposite
It is lower, it can not consider that plate is reacted with ingredient in air, therefore cooling segment can not had to and cooled down.So set, can
To save the energy, use cost is reduced.Other compositions and connection relationship are same as Example 1.
Embodiment 3：
Embodiment is described with reference to Fig. 1, and a kind of titanium or titanium alloy agitating friction weldering of present embodiment assists heating with back
Device includes heating component, four part of cooling component, heat insulation layer and control system, and heating system is added using the superposition of multilayer heating wire
Heat is wrapped up with insulating sleeve outside heating wire.So set, heating efficiency can be improved, guarantee heating effect.It is other composition and
Connection relationship is identical as embodiment 1 or 2.
Embodiment 4：
Embodiment is described with reference to Fig. 1, and a kind of titanium or titanium alloy agitating friction weldering of present embodiment assists heating with back
Device includes heating component, four part of cooling component, heat insulation layer and control system, and heat insulating part only uses back insulation.So
Setting, it is ensured that high-power heating efficiency guarantees heating effect.Other compositions and connection relationship and embodiment 1,2 or 3 phases
Together.
Embodiment 5：
Embodiment is described with reference to Fig. 1, and a kind of titanium or titanium alloy agitating friction weldering of present embodiment assists heating with back
Device includes heating component, four part of cooling component, heat insulation layer and control system, and control section only uses temperature measuring unit, thermometric
Unit uses thermocouple.So set, specific temperature heating can be carried out to the material of the specific trade mark, guarantee heating effect.Its
It forms identical with connection relationship and embodiment 1,2,3 or 4.
Embodiment 6：
Embodiment is described with reference to Fig. 1, and a kind of titanium or titanium alloy agitating friction weldering of present embodiment assists heating with back
Device includes heating component, cooling component and control system three parts, is primarily adapted for use in the case where workbench itself is insulated.So
Setting guarantees platform planarization, heat is avoided to dissipate, and guarantees heating effect.Other compositions and connection relationship and embodiment 1,2,
3,4,5 or 6 are identical.
Embodiment 7：
Embodiment is described with reference to Fig. 1, and a kind of titanium or titanium alloy agitating friction weldering of present embodiment assists heating with back
Device includes heating component, four part of cooling component, heat insulation layer and control system, and wherein temperature measuring unit is replaced using infrared radiation thermometer
Generation.It is arranged such, it is ensured that real time temperature monitoring is carried out to any heating location, it is ensured that the uniformity of heating temperature.It is other
Composition and connection relationship and specific embodiment 1,2,3,4,5 or 6 are identical.
Technical solution cited by the present invention and embodiment and non-limiting, with technical solution cited by the present invention and
Embodiment is equivalent or effect same approach is all in the range of the present invention is protected.
Claims (10)
1. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device, including be used to support weldment and be mounted on work
Make the support plate on platform and the control system for controlling entire heating device, it is characterised in that：The support plate is by welding
With back backing plate and fixed back backing plate splicing composition, welding back backing plate is located at immediately below welding region, fixed back
Portion's backing plate is located at immediately below non-solder region, and welding is provided with several be spaced apart with back pad surfaces along its length
Temperature measuring unit, welding are provided with heating component distributed along its length with back pad intralamellar part, pass through heating component butt welding
It connects and carries out the temperature that heating changes weldment bottom in welding region, temperature measuring unit and heating component and control system with back backing plate
Connection, passes through temperature measuring unit and detects welding back pad surfaces temperature and will test data and pass to control system, control system
System adjusts heating component according to detection data and maintains set temperature to control welding with back pad surfaces temperature.
2. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 1, feature exist
In：Welding back backing plate and fixation are made with back backing plate of heat-conducting.
3. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 1, feature exist
In：Welding back backing plate and fixed with being provided with side wall heat insulation layer between the backing plate of back to prevent welding back pad
The heat transfer of plate uses back backing plate to fixed.
4. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 3, feature exist
In：The welding prevents welding back backing plate far from bottom thermal insulation layer is covered in the one side of weldment with back backing plate
Heat transfer is all made of layered laminate heat insulating construction or honeycomb insulation to workbench, the side wall heat insulation layer and bottom thermal insulation layer
Any one in structure.
5. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 1,2,3 or 4,
It is characterized in that：Cooling component distributed along its length is provided in fixation back backing plate in order to which cooling is located at
Weldment in non-solder region.
6. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 5, feature exist
In：The cooling component is to be provided with the fixed cooling duct in the backing plate of back along its length, is passed through in cooling duct
The coolant liquid of flowing.
7. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 5, feature exist
In：The coolant liquid is water.
8. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 1, feature exist
In：The heating component is using any one in the heating wire of single layer heating wire or multiple-layer stacked, the outside of heating wire
One layer of insulating sleeve is wrapped up, is machined with through-hole distributed along its length in welding back backing plate, heating component is threaded through
In through-hole.
9. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 1, feature exist
In：The control system includes heating system, temp measuring system and control cabinet, and the heating system includes heating line and electricity
Road short circuit protection system, heating line and short circuit protection system are connect with heating component, and temp measuring system includes thermometric line
Road and temperature feedback system, temperature measuring unit connect the temperature information that will test with temperature feedback system by thermometric route and pass to
Temperature feedback system, temperature feedback system connect the temperature information detected according to temperature measuring unit with heating component by heating line
Heating component is adjusted, temperature feedback system setting is additionally provided with control whole system power on/off inside control cabinet, on control cabinet
Switch, be provided with temperature indicator and temperature regulator on control cabinet side wall, temperature indicator and temperature regulator with temperature
Feedback system connection is spent, temperature regulator can set welding back pad surfaces temperature.
10. a kind of titanium or titanium alloy agitating friction weldering back assisted heating device according to claim 1, feature exist
In：The temperature measuring unit is using any one in thermocouple or infrared radiation thermometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810987336.XA CN108890118B (en) | 2018-08-28 | 2018-08-28 | Back auxiliary heating device for titanium and titanium alloy friction stir welding |
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| CN201810987336.XA CN108890118B (en) | 2018-08-28 | 2018-08-28 | Back auxiliary heating device for titanium and titanium alloy friction stir welding |
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| CN108890118B CN108890118B (en) | 2020-08-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109834383A (en) * | 2019-03-22 | 2019-06-04 | 上海交通大学 | For titanium alloy/ultra-high molecular weight polyethylene overlap joint friction spot welding method and apparatus |
| CN111015110A (en) * | 2019-12-23 | 2020-04-17 | 西部金属材料股份有限公司 | Preparation method of metal pipe fitting difficult to deform |
| CN111390373A (en) * | 2020-04-15 | 2020-07-10 | 哈尔滨工业大学 | Current-assisted thermal field friction stir welding method for butt joint of titanium alloy materials |
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