CN111570996A - Backfill formula friction stir spot welding temperature field measuring device and system - Google Patents
Backfill formula friction stir spot welding temperature field measuring device and system Download PDFInfo
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- CN111570996A CN111570996A CN202010595214.3A CN202010595214A CN111570996A CN 111570996 A CN111570996 A CN 111570996A CN 202010595214 A CN202010595214 A CN 202010595214A CN 111570996 A CN111570996 A CN 111570996A
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- temperature measuring
- temperature
- friction stir
- spot welding
- stir spot
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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
- 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
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
- B23K31/125—Weld quality monitoring
Abstract
The invention discloses a backfill type friction stir spot welding temperature field measuring device and system, and relates to the technical field of welding. The backfill type friction stir spot welding temperature field measuring device comprises a temperature measuring plate and a plurality of temperature measuring elements, wherein an object carrying surface and a supporting surface are oppositely arranged on the temperature measuring plate, the object carrying surface is used for carrying weldments, a temperature measuring center corresponding to a stirring pin is arranged on the object carrying surface, a plurality of temperature measuring holes penetrating through the object carrying surface to the supporting surface are further arranged on the temperature measuring plate, one ends of the plurality of temperature measuring holes, which are respectively positioned on the object carrying surface, are distributed on a plurality of concentric tracks taking the temperature measuring center as the circle center, and the plurality of temperature measuring elements are respectively arranged in the plurality of temperature measuring holes. The backfill type friction stir spot welding temperature field measuring device provided by the invention can measure the temperature field of a weldment in the backfill type friction stir spot welding process, so that the backfill type friction stir spot welding process is ensured to be smoothly carried out, and the quality of a welding spot is improved.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a backfill type friction stir spot welding temperature field measuring device and system.
Background
Because the temperature of the weldment has important influence on the quality of the welding point in the welding process of the backfill type friction stir spot welding, the measurement of the temperature field in the welding process of the backfill type friction stir spot welding becomes a key factor for monitoring the welding process and ensuring the quality of the welding point.
At present, the temperature field measurement mode of friction stir welding is mainly to install thermocouples at the end part of a stirring head and the end part of a shaft shoulder for measuring temperature. However, the stirring pin of the backfill type friction stir spot welding is small, and the stirring pin and the stirring sleeve still move mutually along the axial direction in the backfill process, so that the mode of installing the thermocouple at the end part of the stirring head cannot be implemented. Therefore, a special temperature field measuring device is needed to measure the temperature field of the weldment in the backfill type friction stir spot welding process.
Disclosure of Invention
The invention aims to provide a backfill type friction stir spot welding temperature field measuring device which can measure a temperature field of a weldment in a backfill type friction stir spot welding process.
Another object of the present invention is to provide a backfill type friction stir spot welding temperature field measuring device, which can measure the temperature field of the weldment in the backfill type friction stir spot welding process.
The invention provides a technical scheme that:
a backfill type friction stir spot welding temperature field measuring device comprises a temperature measuring plate and a plurality of temperature measuring elements;
the temperature measuring plate is relatively provided with an object carrying surface and a supporting surface, the object carrying surface is used for carrying welding pieces, the object carrying surface is provided with a temperature measuring center corresponding to the stirring needle, the temperature measuring plate is also provided with a plurality of temperature measuring holes penetrating from the object carrying surface to the supporting surface, and one end of each of the plurality of temperature measuring holes, which is positioned on the object carrying surface, is distributed on a plurality of concentric circular tracks taking the temperature measuring center as the center of a circle;
the temperature measuring elements are respectively arranged in the temperature measuring holes.
Furthermore, a plurality of temperature measuring holes are distributed on each concentric circle track.
Further, the number of the temperature measuring holes distributed on each concentric circle track is equal.
Furthermore, the temperature measuring holes on the concentric tracks are uniformly distributed.
Furthermore, a first accommodating groove is concavely arranged on the supporting surface corresponding to the respective hole opening positions of the plurality of temperature measuring holes, and one end of the first accommodating groove, which is far away from the temperature measuring holes, extends to the edge of the supporting surface.
Furthermore, one end of each of the temperature measuring elements extends to one end of the temperature measuring hole close to the object carrying surface along the first accommodating groove.
Furthermore, the backfill type friction stir spot welding temperature field measuring device further comprises a supporting plate, the supporting surface is connected with the supporting plate, a plurality of auxiliary holes are arranged in the supporting plate in a penetrating mode, the plurality of auxiliary holes correspond to the plurality of temperature measuring holes respectively, and one end of each of the plurality of temperature measuring elements correspondingly penetrates through the plurality of auxiliary holes and extends into the temperature measuring holes.
Furthermore, a second accommodating groove is concavely formed in one side of the supporting plate, which is away from the supporting surface, corresponding to the respective hole opening positions of the plurality of auxiliary holes, one end of the second accommodating groove, which is away from the auxiliary holes, extends to the edge of the supporting plate, and one end of each of the plurality of temperature measuring elements penetrates through the auxiliary holes along the second accommodating groove and extends to one end of the temperature measuring hole, which is close to the object carrying surface.
Further, the distance difference between the temperature measuring holes on any two adjacent concentric circular tracks and the temperature measuring center is equal.
The invention also provides a backfill type friction stir spot welding temperature field measuring system which comprises a controller and a backfill type friction stir spot welding temperature field measuring device, wherein the backfill type friction stir spot welding temperature field measuring device comprises a temperature measuring plate and a plurality of temperature measuring elements, an object carrying surface and a supporting surface are oppositely arranged on the temperature measuring plate, the object carrying surface is used for carrying welding parts, a temperature measuring center corresponding to a stirring needle is arranged on the object carrying surface, a plurality of temperature measuring holes penetrating from the object carrying surface to the supporting surface are also arranged on the temperature measuring plate, and one ends of the plurality of temperature measuring holes, which are respectively positioned on the object carrying surface, are distributed on a plurality of concentric circular tracks taking the temperature measuring center as the center of a circle; the temperature measuring elements are respectively arranged in the temperature measuring holes; the controller is electrically connected with the temperature measuring elements respectively.
Compared with the prior art, in practical application, the backfill type friction stir spot welding temperature field measuring device provided by the invention has the advantages that a weldment is arranged on the object carrying surface of the temperature measuring plate, a welding pin of the backfill type friction stir spot welding corresponds to a temperature measuring center on the object carrying surface, and a stirring area, a thermal influence area, a heat influence area and the like in the temperature field on the weldment are respectively distributed in concentric annular areas by taking the stirring pin as a circle center. One ends, located on the object carrying surface, of the temperature measuring holes arranged on the temperature measuring plate are distributed on a plurality of concentric circular tracks with the temperature measuring center as the circle center, and a plurality of temperature measuring elements are arranged in the temperature measuring holes respectively corresponding to a plurality of areas in a temperature field on the weldment, so that the plurality of areas in the temperature field can be measured respectively. Therefore, the backfill type friction stir spot welding temperature field measuring device provided by the invention has the beneficial effects that: the temperature field of weldment in the backfill type friction stir spot welding process can be measured, so that smooth proceeding of the backfill type friction stir spot welding process is guaranteed, and the quality of welding spots is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.
FIG. 1 is a schematic structural diagram of a backfill type friction stir spot welding temperature field measuring device according to an embodiment of the invention;
FIG. 2 is a schematic view of the thermal plate of FIG. 1 viewed from a first perspective;
FIG. 3 is a schematic view of the temperature measurement plate of FIG. 1 at a second viewing angle;
FIG. 4 is a schematic view of the support plate of FIG. 1 from a first perspective;
FIG. 5 is a schematic view of the support plate of FIG. 1 at an intermediate level, from a second perspective;
fig. 6 is a structural diagram of the supporting plate at the bottom layer in fig. 1 under a second view angle.
Icon: 100-backfill type friction stir spot welding temperature field measuring device; 110-temperature measuring plate; 111-a carrying surface; 112-temperature measuring hole; 113-a support surface; 1131 — a first receiving groove; 130-a support plate; 131-auxiliary holes; 133-second receiving groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the invention refers to the accompanying drawings.
Examples
The embodiment provides a backfill type friction stir spot welding temperature field measuring system, which comprises a controller and a backfill type friction stir spot welding temperature field measuring device 100 shown in fig. 1, wherein the backfill type friction stir spot welding temperature field measuring device 100 can measure the temperature field of a weldment in the backfill type friction stir spot welding process, and the controller is used for obtaining a temperature distribution cloud chart of the whole spot welding joint at each time stage according to the measuring result of the backfill type friction stir spot welding temperature field measuring device 100.
Referring to fig. 1, in the present embodiment, the backfill type friction stir spot welding temperature field measurement apparatus 100 includes a temperature measurement element (not shown), a temperature measurement plate 110 and two support plates 130, wherein the temperature measurement plate 110 and the two support plates 130 are stacked in sequence, and the temperature measurement plate 110 is disposed on the topmost layer. The plurality of temperature measuring elements are respectively arranged on the temperature measuring plate 110 and used for measuring the temperature field of the welding piece, and lead arrangement is respectively carried out on the temperature measuring plate 110 or one of the two supporting plates 130, so that connection with the controller is realized, and mutual interference is prevented. In other embodiments, the number of the supporting plates 130 can be adjusted according to the requirements of the actual application.
Referring to fig. 1 and 2, the temperature measuring plate 110 is provided with an object carrying surface 111 and a supporting surface 113, the object carrying surface 111 is used for carrying a welding part, the object carrying surface 111 is provided with a temperature measuring center corresponding to the probe, and the supporting surface 113 is connected to the supporting plate 130. In practical application, the supporting plate 130 at the lowest layer is placed on a supporting table of the backfilling type friction stir spot welding device, the position is adjusted so that the temperature measuring center on the object carrying surface 111 is aligned with the stirring pin of the backfilling type friction stir spot welding device, and then the weldment is placed on the object carrying surface 111, so that the spot welding operation can be performed.
In the welding process of the backfill type friction stir spot welding, the stirring needle does not move horizontally, and only moves mutually in the vertical direction and rotates, so that the temperature distribution of a backfill type friction stir spot welding joint on a weldment is centrosymmetric about a corresponding position of the stirring needle as the center of a circle, namely, in the friction stir spot welding process, the temperature difference of each position on any concentric circle taking the corresponding position of the stirring needle as the center of a circle is extremely small, and the temperature of any point of the workpiece on the corresponding concentric circle can be approximately obtained by measuring the temperature at any point on any concentric circle taking the temperature measuring center as the center of a circle. When the backfill type friction stir spot welding equipment is used for carrying out spot welding on a welded part, a temperature field is formed on the welded part, and the temperature field comprises a stirring area, a thermal influence area, a heat influence area and other areas which are concentrically and annularly distributed by taking the position corresponding to the stirring pin as the center of a circle.
The temperature measuring plate 110 is provided with a plurality of temperature measuring holes 112 penetrating from the object carrying surface 111 to the supporting surface 113, the plurality of temperature measuring holes 112 are respectively located at one end of the object carrying surface 111 and distributed on a plurality of concentric tracks with the temperature measuring center as the center of a circle, that is, each area in the temperature field on the weldment respectively corresponds to the plurality of concentric tracks on the object carrying surface 111, that is, each area respectively corresponds to the plurality of temperature measuring holes 112. The plurality of temperature measuring elements are respectively and correspondingly arranged in the plurality of temperature measuring holes 112, so that a plurality of areas in the temperature field of the welding part are respectively measured.
The distance difference between the temperature measuring holes 112 on any two adjacent concentric circular tracks and the temperature measuring center is equal, that is, the distance difference between the temperature measuring holes 112 on each concentric circular track and the temperature measuring center increases equivalently from the temperature measuring center. Moreover, a plurality of temperature measuring holes 112 with the same number are uniformly distributed on each concentric circle track, so that accidental errors existing in the measuring results are further reduced.
In this embodiment, the radius of the first concentric circular track is 6mm from the temperature measurement center, and the radius of each concentric circular track is sequentially increased by 3mm from the second to the thirteenth concentric circular track, and the radius of each concentric circular track is 42 mm. In the embodiment, the number of the temperature measuring holes 112 uniformly distributed on each concentric circle is three, namely, the total number of the temperature measuring holes 112 is thirty-nine, the included angles between the connecting lines of the three temperature measuring holes 112 on each concentric circle and the temperature measuring center are 120 degrees, and any one of the three temperature measuring holes 112 on the second concentric circular track is equal to the nearest two of the three temperature measuring holes 112 on the first concentric circular track, and starting from the Nth concentric circle (N is more than or equal to 3), the temperature measuring holes 112 distributed on the concentric circle are equidistant from the temperature measuring holes 112 on the two concentric circles of the Nth-1 and the Nth-2, namely, the plurality of temperature measuring holes 112 are distributed in nine approximately radial straight line directions taking the temperature measuring center as the center of a circle, and a plurality of temperature measuring holes 112 in any two adjacent approximately radial straight line directions are respectively on different concentric circular tracks.
As shown in fig. 2 and fig. 3, the supporting surface 113 is provided with a first receiving groove 1131 at a position corresponding to an opening of each of the temperature measuring holes 112 distributed in the three spaced approximately radial straight lines, where the temperature measuring holes 112 in the three spaced approximately radial straight lines are located on different concentric tracks, and one end of the first receiving groove 1131 away from the temperature measuring holes 112 extends to an edge of the supporting surface 113.
As shown in fig. 4 and 5, a plurality of auxiliary holes 131 are formed through the support plate 130 at the intermediate layer, and the plurality of auxiliary holes 131 correspond to the plurality of temperature measuring holes 112 of the temperature measuring plate 110, respectively. Moreover, the second receiving groove 133 is recessed at the opening position of each of the auxiliary holes 131, which are distributed on the side of the supporting plate 130 away from the temperature measuring plate 110 and correspond to the three spaced approximately radial straight lines, the three spaced approximately radial straight lines are offset from the three spaced approximately radial straight lines corresponding to the plurality of first receiving grooves 1131 on the temperature measuring plate 110, and one end of the second receiving groove 133 away from the auxiliary hole 131 extends to the edge of the supporting plate 130.
As shown in fig. 4 and fig. 6, a plurality of auxiliary holes 131 are also formed through the bottom supporting plate 130, and the plurality of auxiliary holes 131 correspond to the plurality of temperature measuring holes 112 on the temperature measuring plate 110. Moreover, the support plate 130 is provided with a second receiving groove 133 at a side away from the thermal measurement plate 110 corresponding to the respective opening positions of the auxiliary holes 131 distributed in the three spaced approximately radial straight line directions, and the three spaced approximately radial straight line directions are offset from the three spaced approximately radial straight line directions corresponding to the plurality of first receiving grooves 1131 on the thermal measurement plate 110 and are offset from the three spaced approximately radial straight line directions corresponding to the second receiving grooves 133 on the support plate 130 located in the middle layer.
The first receiving groove 1131 and the second receiving groove 133 are used for leading out a temperature measuring element, so that the temperature measuring element is connected with the controller to output a detection result. In this embodiment, the temperature measuring elements are thermocouples, temperature measuring ends of the thirteen thermocouples extend into the thirteen first receiving grooves 1131 from the edge of the temperature measuring plate 110, extend into the temperature measuring hole 112 along the first receiving grooves 1131, and are fixed at one end of the temperature measuring hole 112 close to the object carrying surface 111, and the temperature transmitting ends of the thirteen thermocouples are connected to the controller. The temperature measuring ends of the thirteen thermocouples respectively extend into the thirteen second receiving grooves 133 of the supporting plate 130 from the edge of the supporting plate 130 of the middle layer and extend along the second receiving grooves 133 so as to penetrate through the auxiliary holes 131 of the supporting plate 130 of the middle layer and extend into the corresponding temperature measuring holes 112 of the temperature measuring plate 110 to be fixed at one end close to the object carrying surface 111, and the temperature transmitting ends of the thirteen thermocouples are connected with the controller. The temperature measuring ends of the thirteen thermocouples respectively extend into the thirteen second receiving grooves 133 of the supporting plate 130 from the edge of the supporting plate 130 at the bottom layer, extend along the second receiving grooves 133, sequentially penetrate through the auxiliary holes 131 of the supporting plate 130 at the bottom layer and the auxiliary holes 131 of the supporting plate 130 at the middle layer, and extend into the corresponding temperature measuring holes 112 on the temperature measuring plate 110 to be fixed at one end close to the object carrying surface 111, and the temperature transmitting ends of the thirteen thermocouples are connected with the controller. The temperature measuring plate 110 and the two support plates 130 are used for respectively arranging the thermocouples, so that mutual interference among the thermocouples is avoided, and the accuracy of a measuring result is ensured.
Thirteen thermocouples led out from the temperature measuring plate 110 and the two supporting plates 130 respectively correspond to the temperature field positions on the weldment corresponding to the thirteen concentric circular tracks. At any time during the welding process, the temperature values measured by the thermocouples respectively led out from the temperature measuring plate 110 and the two support plates 130 are approximate to the average temperature corresponding to thirteen concentric tracks. The temperature measuring plate 110 and the two supporting plates 130 can measure the temperature distribution of three backfill type friction stir spot welding joints, and finally the controller comprehensively averages the results of the three parts, so that the distribution of the joint temperature field at any moment in the welding process of backfill type friction stir spot welding can be drawn, and the measurement of the temperature field of a welding piece is realized.
To sum up, the backfill type friction stir spot welding temperature field measuring device 100 provided by the embodiment can measure the temperature field of the weldment in the backfill type friction stir spot welding process, thereby ensuring the smooth proceeding of the backfill type friction stir spot welding process and improving the quality of the welding spot.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A backfill type friction stir spot welding temperature field measuring device is characterized by comprising a temperature measuring plate and a plurality of temperature measuring elements;
the temperature measuring plate is relatively provided with an object carrying surface and a supporting surface, the object carrying surface is used for carrying welding pieces, the object carrying surface is provided with a temperature measuring center corresponding to the stirring needle, the temperature measuring plate is also provided with a plurality of temperature measuring holes penetrating from the object carrying surface to the supporting surface, and one end of each of the plurality of temperature measuring holes, which is positioned on the object carrying surface, is distributed on a plurality of concentric circular tracks taking the temperature measuring center as the center of a circle;
the temperature measuring elements are respectively arranged in the temperature measuring holes.
2. The backfill type friction stir spot welding temperature field measuring device according to claim 1, characterized in that a plurality of temperature measuring holes are distributed on each concentric track.
3. The backfill type friction stir spot welding temperature field measuring device according to claim 2, characterized in that the number of temperature measuring holes distributed on each concentric track is equal.
4. The backfill type friction stir spot welding temperature field measuring device according to claim 2, characterized in that the temperature measuring holes on each concentric track are evenly distributed.
5. The backfill type friction stir spot welding temperature field measuring device according to any one of claims 1-4, characterized in that a first receiving groove is concavely arranged on the supporting surface corresponding to the position of each hole opening of the plurality of temperature measuring holes, and one end of the first receiving groove far away from the temperature measuring holes extends to the edge of the supporting surface.
6. The backfill type friction stir spot welding temperature field measuring device according to claim 5, wherein one end of each of the plurality of temperature measuring elements extends along the first accommodating groove to one end of the temperature measuring hole close to the object carrying surface.
7. The backfill type friction stir spot welding temperature field measuring device according to any one of claims 1-4, characterized in that the backfill type friction stir spot welding temperature field measuring device further comprises a support plate, the support surface is connected with the support plate, a plurality of auxiliary holes are arranged on the support plate in a penetrating manner, the plurality of auxiliary holes correspond to the plurality of temperature measuring holes respectively, and the plurality of auxiliary holes are used for enabling one end of each of the plurality of temperature measuring elements to correspondingly penetrate through and extend into the temperature measuring holes.
8. The backfill type friction stir spot welding temperature field measuring device according to claim 7, wherein a second receiving groove is concavely formed on a side of the support plate away from the support surface corresponding to the position of the orifice of each of the plurality of auxiliary holes, one end of the second receiving groove away from the auxiliary hole extends to the edge of the support plate, and one end of each of the plurality of temperature measuring elements passes through the auxiliary hole along the second receiving groove and extends to one end of the temperature measuring hole close to the object carrying surface.
9. The backfill type friction stir spot welding temperature field measuring device according to any one of claims 1-4, characterized in that the difference between the distances from the temperature measuring hole to the temperature measuring center on any two adjacent concentric circular tracks is equal.
10. A backfill type friction stir spot welding temperature field measurement system, characterized by comprising a controller and a backfill type friction stir spot welding temperature field measurement device according to any one of claims 1-9, wherein the controller is electrically connected with a plurality of temperature measurement elements respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595214.3A CN111570996A (en) | 2020-06-24 | 2020-06-24 | Backfill formula friction stir spot welding temperature field measuring device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010595214.3A CN111570996A (en) | 2020-06-24 | 2020-06-24 | Backfill formula friction stir spot welding temperature field measuring device and system |
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| CN111570996A true CN111570996A (en) | 2020-08-25 |
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| CN103212783A (en) * | 2013-04-28 | 2013-07-24 | 江苏科技大学 | Dedicated cushion plate for measuring friction stir welding temperature field |
| CN103624399A (en) * | 2012-08-21 | 2014-03-12 | 湖北三江航天红阳机电有限公司 | Water cooling device for arc skin longitudinal joint friction stir welding |
| CN103644977A (en) * | 2013-11-11 | 2014-03-19 | 江苏科技大学 | Friction-stir-welding temperature field measurement special-purpose backing plate with grooves at bottom and method thereof |
| CN110640298A (en) * | 2019-09-26 | 2020-01-03 | 沈阳航空航天大学 | Friction stir welding real-time temperature field monitoring system and control method |
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2020
- 2020-06-24 CN CN202010595214.3A patent/CN111570996A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624399A (en) * | 2012-08-21 | 2014-03-12 | 湖北三江航天红阳机电有限公司 | Water cooling device for arc skin longitudinal joint friction stir welding |
| CN103212783A (en) * | 2013-04-28 | 2013-07-24 | 江苏科技大学 | Dedicated cushion plate for measuring friction stir welding temperature field |
| CN103644977A (en) * | 2013-11-11 | 2014-03-19 | 江苏科技大学 | Friction-stir-welding temperature field measurement special-purpose backing plate with grooves at bottom and method thereof |
| CN110640298A (en) * | 2019-09-26 | 2020-01-03 | 沈阳航空航天大学 | Friction stir welding real-time temperature field monitoring system and control method |
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