TWI702102B - Friction stir welding device and method thereof - Google Patents
Friction stir welding device and method thereof Download PDFInfo
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- TWI702102B TWI702102B TW108102889A TW108102889A TWI702102B TW I702102 B TWI702102 B TW I702102B TW 108102889 A TW108102889 A TW 108102889A TW 108102889 A TW108102889 A TW 108102889A TW I702102 B TWI702102 B TW I702102B
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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
- 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
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Abstract
Description
本發明是有關於一種攪拌摩擦銲接裝置及其方法。 The invention relates to a friction stir welding device and method.
銲接(Welding),或稱熔接、鎔接,是一種以加熱或加壓方式接合金屬或其他熱塑性塑料的工藝及技術。銲接可透過下列三種途徑達成接合的目的:加熱欲接合之工件使之局部熔化形成熔池,熔池冷卻凝固後便接合,必要時可加入熔填物輔助;單獨加熱熔點較低的焊料,無需熔化工件本身,借焊料的毛細作用連接工件(如軟焊、硬焊);在相當於或低於工件熔點的溫度下輔以高壓、疊合擠塑或振動等使兩工件間相互滲透接合(如鍛焊、固態焊接)。 Welding, or welding or welding, is a process and technology for joining metals or other thermoplastics by heating or pressing. Welding can achieve the purpose of joining through the following three ways: heating the workpiece to be joined to partially melt it to form a molten pool, and the molten pool will be joined after cooling and solidification. If necessary, a filler can be added to assist; heating the solder with a lower melting point separately, no need Melt the workpiece itself, and connect the workpiece by the capillary action of the solder (such as soldering, brazing); at a temperature equal to or lower than the melting point of the workpiece, supplemented by high pressure, superimposed extrusion or vibration, etc., the two workpieces are mutually infiltrated and joined ( Such as forge welding, solid state welding).
現有技術中,有開發出攪拌摩擦銲接,其以機械轉動摩擦產生熱能,其在兩工件結合面以機械轉動摩擦產生的熱量為熱源,攪拌摩擦銲接裝置緩步移行並持續轉動摩擦攪拌,使兩工件在壓力作用下產生塑性變形而進行焊接的方法。 In the prior art, friction stir welding has been developed. It uses mechanical rotational friction to generate heat. The heat generated by mechanical rotational friction is used as the heat source at the joint surface of two workpieces. The friction stir welding device moves slowly and continuously rotates the friction stir to make the two The method in which the workpiece undergoes plastic deformation under pressure and is welded.
然而,在上述攪拌摩擦銲接之做法上,故會將攪拌摩擦銲接裝置以斜向的方式移動,即攪拌摩擦銲接裝置並非與兩工件結合面呈現垂直,避免攪拌摩擦銲接裝置移行過程中料件的浪費。但此舉卻造成攪拌摩擦銲接裝置移行過程的困難度,且也無法完全避免料件耗損,造成攪拌摩擦銲接裝置需於焊接缺陷區域往復移動多次才能將其攪拌均勻,工序較多,耗時較長。 However, in the above-mentioned friction stir welding method, the friction stir welding device will be moved obliquely, that is, the friction stir welding device is not perpendicular to the joint surface of the two workpieces, so as to avoid the friction stir welding device during the moving process of the material. waste. However, this has caused difficulty in the migration process of the friction stir welding device, and it is impossible to completely avoid the loss of materials. As a result, the friction stir welding device needs to move back and forth in the welding defect area many times to stir it evenly. There are many processes and time-consuming. Longer.
因此,如何改良並能提供一種『攪拌摩擦銲接裝置及其方法』來避免上述所遭遇到的問題,係業界所待解決之課題。 Therefore, how to improve and provide a "friction stir welding device and method" to avoid the above-mentioned problems is a problem to be solved in the industry.
本發明提供一種攪拌摩擦銲接裝置及其方法,能有效降低因轉動摩擦產生之接合料之浪費,使得焊接面積平整並提升焊接接合效率。 The invention provides a friction stir welding device and a method thereof, which can effectively reduce the waste of joining material caused by rotational friction, make the welding area flat and improve the welding efficiency.
本發明之一實施例提出一種攪拌摩擦銲接裝置,用以對兩加工件進行接合,攪拌摩擦銲接裝置包括一本體以及一攪拌頭,本體之頂面具有一第一螺牙結構。攪拌頭連接於本體之頂面,攪拌頭之表面具有一第二螺牙結構,其中第一螺牙結構為右旋螺牙,且第二螺牙結構為右旋螺牙。 An embodiment of the present invention provides a friction stir welding device for joining two processed parts. The friction stir welding device includes a body and a stirring head. The top surface of the body has a first thread structure. The stirring head is connected to the top surface of the body, and the surface of the stirring head has a second thread structure, wherein the first thread structure is a right-hand thread and the second thread structure is a right-hand thread.
本發明之另一實施例提出一種攪拌摩擦銲接裝置,用以對兩加工件進行接合,攪拌摩擦銲接裝置包括一本體以及一攪拌頭,本體之頂面之周緣具有一凸緣結構與一缺口。攪拌頭連接於本體之頂面,攪拌頭之表面具有一螺牙結構,其中螺牙結構為右旋螺牙。 Another embodiment of the present invention provides a friction stir welding device for joining two processed parts. The friction stir welding device includes a body and a stirring head. The periphery of the top surface of the body has a flange structure and a notch. The stirring head is connected to the top surface of the main body. The surface of the stirring head has a thread structure, and the thread structure is a right-hand thread.
本發明之一實施例提出一種攪拌摩擦銲接方法,包括以下步驟:提供兩加工件,將兩加工件對接形成一結合面;提供一攪拌摩擦銲接裝置,其中攪拌摩擦銲接裝置包括一本體以及一攪拌頭,本體之頂面具有一第一螺牙結構,攪拌頭之表面具有一第二螺牙結構,第一螺牙結構的螺旋方向與本體之轉動方向相反,第二螺牙結構的螺旋方向與本體之轉動方向相反;轉動攪拌摩擦銲接裝置,並沿著兩加工件之結合面間移動,攪拌頭在兩加工件之結合面間轉動摩擦,並使兩加工件之兩端因摩擦熱量以產生一接合料,透過接合料以接合兩加工件;以及透過第一螺牙結構與第二螺牙結構以收集接合料。 An embodiment of the present invention provides a friction stir welding method, including the following steps: providing two processed parts, butting the two processed parts to form a joint surface; providing a friction stir welding device, wherein the friction stir welding device includes a body and a stirrer The top surface of the body has a first thread structure, the surface of the stirring head has a second thread structure, the spiral direction of the first thread structure is opposite to the rotation direction of the body, and the spiral direction of the second thread structure is The rotation direction of the main body is opposite; the friction stir welding device is rotated and moved along the joint surface of the two processing parts. The stirring head rotates and rubs between the joint surfaces of the two processing parts, and the two ends of the processing parts are generated by frictional heat A bonding material is used to connect the two processed parts through the bonding material; and the bonding material is collected through the first thread structure and the second thread structure.
本發明之另一實施例提出一種攪拌摩擦銲接方法,包括以下步驟:提供兩加工件,將兩加工件對接形成一結合面;提供一攪拌摩擦銲 接裝置,其中攪拌摩擦銲接裝置包括一本體以及一攪拌頭,本體之頂面之周緣具有一凸緣結構與一缺口,攪拌頭之表面具有一螺牙結構,螺牙結構的螺旋方向與本體之轉動方向相反;轉動攪拌摩擦銲接裝置,並沿著兩加工件之結合面間移動,攪拌頭在兩加工件之結合面間轉動摩擦,並使兩加工件之兩端因摩擦熱量以產生一接合料,透過接合料以接合兩加工件;以及透過螺牙結構與凸緣結構以收集接合料。 Another embodiment of the present invention provides a friction stir welding method, including the following steps: providing two processed parts, butting the two processed parts to form a joint surface; providing a friction stir welding The friction stir welding device includes a main body and a stirring head. The periphery of the top surface of the main body has a flange structure and a notch. The surface of the stirring head has a thread structure. The spiral direction of the thread structure and the main body The direction of rotation is opposite; the friction stir welding device is rotated and moved along the joint surface of the two processing parts. The stirring head rotates and rubs between the joint surfaces of the two processing parts, and causes the two ends of the two processing parts to produce a joint due to frictional heat The two processed parts are joined through the joining material; and the joining material is collected through the thread structure and the flange structure.
基於上述,在本發明之攪拌摩擦銲接裝置及其方法中,攪拌頭在兩加工件之結合面轉動摩擦,並使兩加工件之該結合面因摩擦熱量以產生一接合料,透過接合料以接合兩加工件,更可透過螺牙結構(如第一螺牙結構與第二螺牙結構)及/或凸緣結構以收集接合料,降低因轉動摩擦產生之接合料之浪費,使得焊接面積平整並提升焊接接合效率,降低接合時間。 Based on the above, in the friction stir welding device and method of the present invention, the stirring head rotates and rubs on the joint surface of the two processing parts, and the joint surface of the two processing parts generates a bonding material due to frictional heat. To join two processed parts, the joint material can be collected through the thread structure (such as the first thread structure and the second thread structure) and/or the flange structure, which reduces the waste of the joint material caused by rotational friction and makes the welding area Flatten and improve welding efficiency and reduce joining time.
為讓本發明能更明顯易懂,下文特舉實施例,並配合所附圖式作詳細說明如下。 In order to make the present invention more obvious and understandable, the following specific examples are given in conjunction with the accompanying drawings to describe in detail as follows.
10、20:攪拌摩擦銲接裝置 10.20: Friction stir welding device
11、21:本體 11, 21: body
112、212:頂面 112, 212: top surface
113:連接部 113: Connection
114:第一螺牙結構 114: The first thread structure
12、22:攪拌頭 12, 22: mixing head
122:第二螺牙結構 122: The second thread structure
124、224:頂部 124, 224: top
222:螺牙結構 222: Thread structure
23:凸緣結構 23: Flange structure
24:缺口 24: gap
32、34:加工件 32, 34: Machining parts
36:結合面 36: Joint surface
A:角度 A: Angle
B:螺旋角度 B: Helix angle
C:圓弧長度 C: arc length
D:直徑 D: diameter
L:軸向長度 L: axial length
R:轉動方向 R: rotation direction
S10、S20:攪拌摩擦銲接方法 S10, S20: Friction stir welding method
S11~S14:步驟 S11~S14: steps
S21~S24:步驟 S21~S24: steps
圖1為本發明之攪拌摩擦銲接裝置一實施例的示意圖。 Fig. 1 is a schematic diagram of an embodiment of the friction stir welding device of the present invention.
圖2為圖1之攪拌摩擦銲接裝置的平面示意圖。 Fig. 2 is a schematic plan view of the friction stir welding device of Fig. 1.
圖3為本發明之攪拌摩擦銲接方法一實施例的流程圖。 Fig. 3 is a flowchart of an embodiment of the friction stir welding method of the present invention.
圖4為本發明之攪拌摩擦銲接方法一應用例的示意圖。 4 is a schematic diagram of an application example of the friction stir welding method of the present invention.
圖5為本發明之攪拌摩擦銲接裝置另一實施例的示意圖。 Fig. 5 is a schematic diagram of another embodiment of the friction stir welding device of the present invention.
圖6為本發明之攪拌摩擦銲接方法另一實施例的流程圖。 Fig. 6 is a flowchart of another embodiment of the friction stir welding method of the present invention.
圖7為本發明之攪拌摩擦銲接方法另一應用例的示意圖。 Fig. 7 is a schematic diagram of another application example of the friction stir welding method of the present invention.
以下結合附圖和實施例,對本發明的具體實施方式作進一步描述。以下實施例僅用於更加清楚地說明本發明的技術方案,而不能以此限制本發明的保護範圍。 The specific implementation of the present invention will be further described below with reference to the drawings and embodiments. The following embodiments are only used to explain the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.
圖1為本發明之攪拌摩擦銲接裝置一實施例的示意圖。圖2為圖1之攪拌摩擦銲接裝置的平面示意圖。請參閱圖1及圖2。在本實施例中,攪拌摩擦銲接裝置10包括一本體11以及一攪拌頭12。本體11之頂面112具有一第一螺牙結構114,且第一螺牙結構114係為一螺牙結構,第一螺牙結構114為右旋螺牙,第一螺牙結構114的螺旋方向與本體11之轉動方向相反。此外,本體11可包括一連接部113,連接部113用以被一驅動裝置夾持連接,驅動裝置可用以驅使本體11轉動。
Fig. 1 is a schematic diagram of an embodiment of the friction stir welding device of the present invention. Fig. 2 is a schematic plan view of the friction stir welding device of Fig. 1. Please refer to Figure 1 and Figure 2. In this embodiment, the friction
在本實施例中,攪拌頭12連接於本體11之頂面112。攪拌頭12係由鋼料製成,其例如為鎢鋼、SKD61型號之工具鋼、H13型號之模具鋼。攪拌頭12之頂部124係呈一圓角,亦可為一平面,凹面或凹角,甚或是凸面或凸角,且攪拌頭12具有一軸向長度L,軸向長度L的範圍係為加工件的厚度的1倍至1.5倍之間。攪拌頭12之表面具有一第二螺牙結構122,且第二螺牙結構122係為一螺牙結構,第二螺牙結構122為右旋螺牙,第二螺牙結構122的螺旋方向與本體11之轉動方向相反。以圖1為例,攪拌頭12之第二螺牙結構122具有一螺旋角度B,螺旋角度B的範圍介於10度至30度之間。另一方面,攪拌頭12之表面係為一錐面,以圖1為例,錐面之夾角的角度A的範圍介於20度至40度之間。
In this embodiment, the stirring
圖3為本發明之攪拌摩擦銲接方法一實施例的流程圖。圖4為本發明之攪拌摩擦銲接方法一應用例的示意圖。請參閱圖3與圖4。本實施例之攪拌摩擦銲接方法S10可用於如圖1所示之攪拌摩擦銲接裝置10,攪拌摩擦銲接方法S10包括以下步驟S11至步驟S14。首先,進行步驟S11,提
供兩加工件32、34,將兩加工件32、34夾緊對接形成一結合面36。加工件32、34之材質在此可為鋁、銅。
Fig. 3 is a flowchart of an embodiment of the friction stir welding method of the present invention. 4 is a schematic diagram of an application example of the friction stir welding method of the present invention. Please refer to Figure 3 and Figure 4. The friction stir welding method S10 of this embodiment can be used in the friction
接著,進行步驟S12,提供一攪拌摩擦銲接裝置10,其中攪拌摩擦銲接裝置10包括一本體11以及一攪拌頭12。本體11之頂面112具有一第一螺牙結構114,第一螺牙結構114的螺旋方向與本體11之轉動方向R相反。攪拌頭12之表面具有一第二螺牙結構122,第二螺牙結構122的螺旋方向與本體11之轉動方向R相反。
Next, proceed to step S12 to provide a friction
進行步驟S13,轉動攪拌摩擦銲接裝置10,並沿著兩加工件32、34之結合面36間移動,攪拌頭12在兩加工件32、34之結合面36間轉動摩擦,並使加工件32、34之兩端因摩擦熱量以產生接合料,攪拌摩擦銲接裝置10較佳為一圓柱體,以利均勻摩擦攪拌,攪拌摩擦銲接裝置10係可以旋轉的方式作用於兩加工件32、34之結合面36上,使兩加工件32、34於結合面36內產生摩擦熱,透過摩擦熱以使兩加工件32、34之材質軟化(塑性變形),形成具半固態的塑性流動層之接合料。透過接合料以接合兩加工件32、34。特別的是,以圖4為例,使攪拌摩擦銲接裝置10之攪拌頭12與兩加工件32、34之結合面36呈垂直,攪拌頭12具有一軸向長度L,軸向長度L的範圍係為兩加工件32、34的厚度的1倍至1.5倍之間。此外,在一實施例中,攪拌摩擦銲接裝置之轉速為800至1500轉/分鐘,且攪拌摩擦銲接裝置10沿著兩加工件32、34之結合面36之切線方向進給移動以形成焊接區域,且移動之進給移動之速度為100至175毫米/分鐘。
Proceed to step S13, the friction
進行步驟S14,透過第一螺牙結構114與第二螺牙結構122以收集接合料。在此步驟S14中,由於第一螺牙結構114為右旋螺牙且第二螺牙結構122為右旋螺牙,第一螺牙結構114的螺旋方向與本體11之轉動方向R相反,第二螺牙結構122的螺旋方向與本體11之轉動方向R相反,故可將
前述接合料聚集於第一螺牙結構114之螺牙結構(凹槽)內,降低因轉動摩擦產生之接合料之浪費,使得焊接面積平整並提升焊接接合效率,降低接合時間。最後,將攪拌頭12取出,使結合面36內之焊接區域冷卻。於本實施例中,採用自然冷卻方式對結合面36內之焊接區域進行冷卻以使兩加工件32、34相互接合。然,本發明不對此加以限制,在其他實施例中,可採用水冷、風冷等方法使結合面36內之焊接區域冷卻。
Step S14 is performed to collect the bonding material through the
圖5為本發明之攪拌摩擦銲接裝置另一實施例的示意圖。請參閱圖5。圖5的攪拌摩擦銲接裝置20包括本體21與攪拌頭22。本體21之頂面212之周緣具有一凸緣結構23與一缺口24,其中凸緣結構23係突出於頂面212,且凸緣結構23的高度不高於攪拌頭22的高度。此外,缺口24係在凸緣結構23開槽而形成,缺口24之圓弧長度C係為本體21之頂面212之直徑D的1/3至2/3倍之間。由此可知,圖5的攪拌摩擦銲接裝置20之本體21之頂面212並不具有如圖1之第一螺牙結構。
Fig. 5 is a schematic diagram of another embodiment of the friction stir welding device of the present invention. Please refer to Figure 5. The friction
在本實施例中,攪拌頭22連接於本體21之頂面212,攪拌頭22與圖1之攪拌頭12相似,其可參照前述圖1之攪拌頭12而不再重複說明。攪拌頭22之頂部224具有一圓角,亦可為一平面,凹面或凹角,甚或是凸面或凸角,且攪拌頭22之表面具有一螺牙結構222,且螺牙結構222係為一螺牙結構,螺牙結構222為右旋螺牙,且螺牙結構222的螺旋方向與本體21之轉動方向R相反。攪拌頭12之螺牙結構222具有一螺旋角度,螺旋角度的範圍介於10度至30度之間。
In this embodiment, the stirring
圖6為本發明之攪拌摩擦銲接方法另一實施例的流程圖。圖7為本發明之攪拌摩擦銲接方法另一應用例的示意圖。請參閱圖6與圖7。本實施例之攪拌摩擦銲接方法S20可用於如圖5所示之攪拌摩擦銲接裝置20,攪拌摩擦銲接方法S20包括以下步驟S21至步驟S24。首先,進行步驟
S21,提供兩加工件32、34,將兩加工件32、34夾緊對接形成一結合面36。加工件32、34之材質在此可為鋁、銅。
Fig. 6 is a flowchart of another embodiment of the friction stir welding method of the present invention. Fig. 7 is a schematic diagram of another application example of the friction stir welding method of the present invention. Please refer to Figure 6 and Figure 7. The friction stir welding method S20 of this embodiment can be used in the friction
接著,進行步驟S22,提供一攪拌摩擦銲接裝置20(如圖5所示),其中攪拌摩擦銲接裝置20包括一本體21以及一攪拌頭22。本體21之頂面212之周緣具有一凸緣結構23與一缺口24。攪拌頭22之表面具有一螺牙結構222,螺牙結構222為右旋螺牙,螺牙結構222的螺旋方向與本體21之轉動方向R相反。
Next, proceed to step S22 to provide a friction stir welding device 20 (as shown in FIG. 5 ), wherein the friction
進行步驟S23,轉動攪拌摩擦銲接裝置20,並沿著兩加工件32、34之結合面36間移動,攪拌頭22在兩加工件32、34之結合面36間轉動摩擦,並使加工件32、34之兩端因摩擦熱量以產生接合料,攪拌摩擦銲接裝置20較佳為一圓柱體,以利均勻摩擦攪拌,攪拌摩擦銲接裝置20係可以旋轉的方式作用於兩加工件32、34之結合面36上,使兩加工件32、34於結合面36內產生摩擦熱,透過摩擦熱以使兩加工件32、34之材質軟化(塑性變形),形成具半固態的塑性流動層之接合料。透過接合料以接合兩加工件32、34。特別的是,以圖7為例,使攪拌摩擦銲接裝置20之攪拌頭22與兩加工件32、34之結合面36呈垂直。此外,在一實施例中,攪拌摩擦銲接裝置20之轉速為800至1500轉/分鐘,且攪拌摩擦銲接裝置20沿著兩加工件32、34之結合面36之切線方向進給移動以形成焊接區域,且移動之進給移動之速度為100至175毫米/分鐘。
In step S23, the friction
進行步驟S24,透過螺牙結構222與凸緣結構23以收集接合料。在此步驟S24中,由於螺牙結構222為右旋螺牙,且螺牙結構222的螺旋方向與本體21之轉動方向R相反,故可將前述接合料聚集於凸緣結構23之內,降低因轉動摩擦產生之接合料之浪費,使得焊接面積平整並提升焊接接合效率,降低接合時間。最後,將攪拌頭22取出,使結合面36內之焊
接區域冷卻。於本實施例中,採用自然冷卻方式對結合面36內之焊接區域進行冷卻以使兩加工件32、34相互接合。然,本發明不對此加以限制,在其他實施例中,可採用水冷、風冷等方法使結合面36內之焊接區域冷卻。
Step S24 is performed to collect the bonding material through the
綜上所述,在本發明之攪拌摩擦銲接裝置及其方法中,攪拌頭在兩加工件之結合面轉動摩擦,並使兩加工件之該結合面因摩擦熱量以產生一接合料,透過接合料以接合兩加工件,更可透過螺牙結構(如第一螺牙結構與第二螺牙結構)及/或凸緣結構以收集接合料,降低因轉動摩擦產生之接合料之浪費,使得焊接面積平整並提升焊接接合效率,降低接合時間。此外,對鋁、銅之加工件而言,利用本發明之攪拌摩擦銲接裝置及其方法可達到高接合強度的性能要求。 In summary, in the friction stir welding device and method of the present invention, the stirring head rotates and rubs on the joint surface of the two processed parts, and the joint surface of the two processed parts generates a bonding material due to frictional heat. The material is used to join the two processed parts, and the joint material can be collected through the thread structure (such as the first thread structure and the second thread structure) and/or the flange structure, so as to reduce the waste of the joint material caused by rotational friction. The welding area is flat and the welding efficiency is improved, and the joining time is reduced. In addition, for aluminum and copper processed parts, the friction stir welding device and method of the present invention can meet the performance requirements of high joint strength.
雖然本發明已以實施例揭露如上,然其並非用以限定本發明,任何所屬技術領域中具有通常知識者,在不脫離本發明之精神和範圍內,當可作些許之更動與潤飾,故本發明之保護範圍當視後附之申請專利範圍所界定者為準。 Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Anyone with ordinary knowledge in the relevant technical field can make slight changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to those defined by the attached patent scope.
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JP2004141897A (en) * | 2002-10-22 | 2004-05-20 | Showa Denko Kk | Friction stir welding tool and method for manufacturing welded joint |
JP2016137523A (en) * | 2016-05-13 | 2016-08-04 | 日本軽金属株式会社 | Cavity forming rotary tool |
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CN103658964A (en) * | 2012-09-21 | 2014-03-26 | 湖北三江航天红阳机电有限公司 | Eccentric combined type stirring head |
CN203018905U (en) * | 2012-12-20 | 2013-06-26 | 联合汽车电子有限公司 | Assembled welding head structure of friction stir welding tool |
CN105772935A (en) * | 2016-04-01 | 2016-07-20 | 中国电子科技集团公司第三十八研究所 | Stirring head used for welding narrow-step water channel cover plate and welding technology for narrow-step water channel cover plate |
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CN108031967B (en) * | 2017-11-28 | 2020-10-16 | 上海航天设备制造总厂 | Upsetting force self-compensation stirring tool for dip-free friction stir welding and welding method |
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JP2004141897A (en) * | 2002-10-22 | 2004-05-20 | Showa Denko Kk | Friction stir welding tool and method for manufacturing welded joint |
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