TW201200276A - Friction welding machine and friction welding method - Google Patents

Friction welding machine and friction welding method Download PDF

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Publication number
TW201200276A
TW201200276A TW99120223A TW99120223A TW201200276A TW 201200276 A TW201200276 A TW 201200276A TW 99120223 A TW99120223 A TW 99120223A TW 99120223 A TW99120223 A TW 99120223A TW 201200276 A TW201200276 A TW 201200276A
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Taiwan
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workpiece
motor
friction
friction welding
tool
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TW99120223A
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Chinese (zh)
Inventor
Seiichi Kamino
Hiromithu Mathuda
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Nakamura Tome Precision Ind
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Priority to TW99120223A priority Critical patent/TW201200276A/en
Publication of TW201200276A publication Critical patent/TW201200276A/en

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Abstract

The object of the present invention is to provide a high productivity friction welding machine for mutually and continuously performing maching and friction welding, and the joint and processing method using the friction welding machine. The present invention includes rotation chucks, feed motor, and at least one tool rests. The present invention is characterized in that the rotation chucks are provided opposite to each other in left and right and are rotationally driven controlled by the main shaft motors, the feed motor is controlled to produce necessary pressure force when upsetting for melting pressure welding by at least one of main shaft motors and necessary pressing force when upsetting by main shaft motors after being stopped, and the at least one tool rests proceed to control the feeding position from the direction orthogonal to the center line between the opposite main shaft motors.

Description

201200276 六、發明說明: 【發明所屬之技術領域】 本發明係關於一種用於將工件彼此間進行摩擦壓接接合 之摩擦壓接機及使用該摩擦壓接機之摩擦壓接方法,尤其適 合外徑不同之工件間或長尺寸工件間之摩擦壓接及機械加 工之連續化。 【先前技術】 習知有一種使工件彼此間之接合面產生旋轉摩擦力,利用 由該旋轉摩擦產生之熱能進行按壓、固相壓接合之摩擦壓接 法(專利文獻1)。 在此種摩擦壓接法中’為了得到較高之接合強度,接合面 之口口貝極為重要,此外’因為係透過端壓(UpSet)推力對因接 合面發熱而處於軟化狀態之工件彼此間進行按壓,因此亦有 必要考慮全長尺寸變化及容易在接合部產生之毛邊(專利文 獻2)。 另一方面,如圖4(a)所示,在加工具有凸緣部W1之長尺 寸產時,在凸緣部之根部分加工中,在心軸14ό安裝外伸 之長刀具147進行加工,但仍存在刀尖易擺動且加工精度降 低之問。 因此,在此種產品之情況下,較有效的方法是分別對凸緣 邛W1及軸部W2進行加工,之後並對W1和W2進行摩揍 '疋,因為以往是在與加工機不同之其他摩擦壓接機 099120223 4 201200276 分別裝夾工件並進行摩擦壓接,因此如圖4(c)所示,在加工 凸緣部wi之端面時,會存在因工件從裝夾夾具被卸下—次 則必須再次進行旋轉方向之相位定位之問題。 專利文獻1 :日本專利特開2008-272834號公報 專利文獻2:曰本專利特開平9_141454號公報 【發明内容】 (發明所欲解決之問題) 本發明之目的在於提供一種可相互連續地進行機械加工 和摩擦壓接之高生產性之摩擦壓接機及使用該摩擦壓接機 之接合及加工方法。 (解決問題之手段) 本發明之摩擦壓接機,其特徵在於,其具有由主軸馬達進 行旋轉驅動控制之左右相對向之旋轉夾頭,並具有經由控制 使可產生至少一者主軸馬達在進行熔融壓接之鍛粗時所需 之壓力、及上述主軸馬達在停止後之端壓時所需之按壓力之 進給馬達’且具有至少一台以上經從與相對向之上述主軸馬 達間之中心線相正交的方向進行進給位置控制之刀具台。 此處,將由主轴馬達進行旋轉驅動控制之旋轉夾頭左右相 對向保持配置,而可而與刀具台組合,可個別地對裝夾固定 在各個彡疋轉夾頭之工件進行車削加工和銳削加工等之機械 加工。 因此,其具有由主軸馬達進行旋轉驅動控制之左右相對向 099120223 201200276 之旋轉夾頭,並具有經由控制使可產生至少一者主軸馬達在 進行熔融壓接之鍛粗時所需之壓力、及上述主軸馬達在停止 後之如3壓時所需之按壓力之進給馬達,且具有至少一台以上 經從與相對向之上述主軸馬達間之中心線相正交的方向進 行進給位置控制之刀具台,將工件W1裝夾固定在一者之旋 轉夾頭,根據需要對該工件w 1進行既定加工,並將工件 W2裝夾固定在另一者之旋轉失頭,根據需要對該工件W2 進行既定加工,之後可對裝夾固定在兩者旋轉夾頭之工件 W1和W2進行摩擦壓接,進而亦可在對工件W1和W2進 行摩擦壓接後,將該工件交接至—者之旋轉夾頭,進行更進 一步之加工。 此處,刀具台只要有至少一台即可,但因為具有左右相對 向之兩個主軸,所以刀具台可設置兩台以上,進而較佳為轉 塔刀具台。 (發明效果) 本發明之摩擦壓接機中,將由主軸馬達進行旋轉驅動控制 之旋轉夾頭保持左右相對向配置,並且具有經由控制使可產 生至少一者主軸馬達在進行熔融壓接之鍛粗時之壓力、及進 行端壓時之按壓力之進給馬達,此外並具有至少一台以上之 刀具台’由此可相互連續地進行機械加工和摩擦壓接,故可 提高加工精度,並具有優異之生產性。 【實施方式】 099120223 6 201200276 以下根據圖3說明本發明摩擦壓接機之構成例。 基座1上之左側係具有L側主軸20和由該主軸馬達進行 旋轉驅動控制之L側夾頭21。 在右側相對向配置R側主軸10,使其軸線和L側主軸相 一致,而R側夾頭11由該主軸馬達進行旋轉驅動控制。 本實施例中,例示R側主軸10由R側進給馬達12和滾 珠螺桿13在Z轴方向進行移動控制。 左右相對向配置之兩根主軸之至少一者具有在Z軸方向 進行位置控制之進給馬達即可。 R側進給馬達12為伺服馬達,在摩擦壓接接合步驟中, 可得到鍛粗壓力和端壓推力(按壓力)。 在L側主軸20和R側主轴10軸線上之圖3紙面上側, 係設置具有第一轉塔31之第一刀具台30。 第一刀具台30係具有透過滾珠螺桿32a在Z軸方向進行 移動控制之進給馬達32、從與主軸線相垂直之方向朝主軸 線在X軸方向進行進給位置控制之進給馬達33、及在Y軸 方向進行位置控制之進給馬達34。 同樣地,在主軸線下側設置具有第二轉塔41之第二刀具 台40。 第二刀具台40亦在Z軸方向、X軸方向、Y軸方向之位 置分別由具有滾珠螺桿42a之進給馬達42、進給馬達43、 44來控制。 099120223 7 201200276 另外本貫施例中所顯示的是由兩組轉塔構成之兩轉塔塑 弋 亦可為—轉塔型式或四轉塔型式。 此外刀具台亦可具備以b軸進行回轉控制之刀具台。 下面,根據圖1以相對外徑較大之工件W1和形成外形比 '、還J之軸部之工件W2丨例,對進行摩擦壓接接合之步驟 為例進行說明。 如圖1⑷所不,將工件W2裝夾固定在L側夾頭21 ’使 件W2進行旋轉,並由安裝在省略圖示之第一轉塔31之 車刀36等工具來實施接合面的加工等。 另方面’將工件W1裝夾固定在R側主軸1〇,由安裝 在第一轉丨合41之工具軸46及旋轉工具47等實施接合面或 其他必要之加 工。 如圖Ub)所示,使工件W2停止旋轉以使其固定,一邊壓 接R側主軸1G上所安裝之工件W1 -邊使其高速旋轉。 此時’锻粗力由省略圖示之R側進給馬達12控制,當接 D面由於摩㈣㈣融軟化後,則停止旋轉,纟R側進給 馬達12進行端壓按壓,以進行壓接。 此夺之舞又粗力、端壓按壓力由伺服來進行控制。 如圖1(c)和(d)所示,接合完成後之工件透過L側主抽2〇 和R側主軸10相互交接工件,可由銳削刀具47和車削刀 具48等連續地進行必要之加工。 圖2顯不較長尺寸材料之摩擦壓接及機械加工之步驟例。 099120223 8 201200276 分別將工件W2、W1裝夾固定在L側主軸2 〇及R側主軸 10,使用工具36、48等實施接合面等之所需加工,並如圖 2(b)所示原樣進行摩擦壓接。 在經由接合工件W1和W2而形成長尺寸材料時,可透過 安裝在轉塔之尾座(tailstock)49之中心銷49a芯壓工件中 心,並由車刀36等實施必要之加工,除去接合部所產生之 毛邊d。 進而,亦可如圖2(d)所示,將工件交接至R侧主軸1〇, 而進一步實施必要之加工。 相對於以往摩擦壓接機中單側為固定夾頭之情況,本發明 中,左右相對向配置經主軸馬達旋轉控制之旋轉夾頭,進 而’透過與刀具台組纟,可連續進行車削或切削等機械加工 與摩擦壓接’提高卫件之定位精度,並提升產品尺寸精度, 亦可連續進行接合部之毛邊去除等,而提高生產性。 【圖式簡單說明】 圖1係表示對外徑不同之w 1和W 2進行加工及接合之例。 圖2係表示較長尺寸材料之接合及加工例。 圖3係示意地表示本發明摩擦壓接機之構成例。 圖4係表示以往加工例。 【主要元件符號說明】 1 基座 10 R軸主軸 099120223 201200276 11 R側夾頭 12 R側進給馬達 13 滾珠螺桿 20 L側主軸 21 L側夾頭 30 第一刀具台 31 第一轉塔 32 進給馬達 32a 滾珠螺桿 33 進給馬達 34 進給馬達 36 車刀(工具) 40 第二刀具台 41 第二轉塔 42 進給馬達 42a 滾珠螺桿 43、44 馬達 46 工具軸 47 銑削刀具(旋轉工具) 48 車削刀具(工具) 49 尾座 49a 中心銷 099120223 10 201200276 146 147 W1 W2 心轴 長刀具 凸緣部(工件) 轴部(工件) 099120223201200276 VI. Description of the Invention: [Technical Field] The present invention relates to a friction crimping machine for frictionally bonding a workpiece to each other and a friction welding method using the same, which is particularly suitable for Friction crimping and machining continuity between workpieces with different diameters or between long workpieces. [Prior Art] A frictional pressure bonding method in which a frictional frictional force is generated between the joining surfaces of the workpieces, and the pressing and solid-pressure bonding are performed by the thermal energy generated by the rotational friction (Patent Document 1). In such a frictional crimping method, in order to obtain a high joint strength, the mouth of the joint surface is extremely important, and in addition, the workpiece is softened due to the heat generated by the joint surface due to the upward pressure (UpSet) thrust. Since the pressing is performed, it is necessary to consider the change in the overall length and the burr which is likely to occur in the joint portion (Patent Document 2). On the other hand, as shown in Fig. 4(a), when the long-length production of the flange portion W1 is processed, in the root portion processing of the flange portion, the overhanging long cutter 147 is attached to the mandrel 14A for processing, but still There is a problem that the tip of the blade is easy to swing and the machining accuracy is lowered. Therefore, in the case of such a product, it is more effective to process the flange 邛W1 and the shaft portion W2 separately, and then perform the 揍 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋 疋Friction Crimping Machine 099120223 4 201200276 Separate the workpiece and perform friction welding, so as shown in Fig. 4(c), when the end face of the flange portion wi is machined, the workpiece is removed from the clamping jig. Then the problem of phase positioning in the direction of rotation must be performed again. [Patent Document 1] Japanese Patent Laid-Open Publication No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. A high-productivity friction crimping machine for processing and friction crimping, and a joining and processing method using the same. (Means for Solving the Problem) The friction crimping machine of the present invention is characterized in that it has a left-right opposite rotating chuck that is rotationally driven and controlled by a spindle motor, and has a spindle motor that can be generated by control to generate at least one The pressure required for the forging of the fusion crimping and the pressing force of the spindle motor required for the end pressure after the stop of the spindle motor and having at least one or more of the relative spindles The tool table in which the feed position is controlled in the direction in which the center line is orthogonal. Here, the rotary chuck controlled by the spindle motor is held in the left-right direction, and can be combined with the cutter table to individually perform turning and sharpening of the workpiece fixed to each of the twist chucks. Machining such as machining. Therefore, it has a rotary chuck that is rotationally driven by the spindle motor and is rotated to the left and right of 099120223 201200276, and has a pressure required to control the forging of at least one of the spindle motors during the melt press bonding, and the above The spindle motor feeds the motor at a pressure required by the three pressures after the stop, and has at least one or more feed position control in a direction orthogonal to a center line between the spindle motors and the spindle motor. The tool table, the workpiece W1 is clamped and fixed to one of the rotary chucks, and the workpiece w 1 is subjected to a predetermined processing as needed, and the workpiece W2 is clamped and fixed to the other one, and the workpiece W2 is required as needed. After the predetermined processing, the workpieces W1 and W2 fixed to the two rotating chucks can be frictionally crimped, and then the workpieces W1 and W2 can be subjected to friction welding after the workpieces W1 and W2 are frictionally crimped. The chuck is used for further processing. Here, the tool table may be at least one, but since there are two main axes facing each other, two or more tool holders can be provided, and thus the turret tool table is preferable. (Effect of the Invention) In the friction crimping machine of the present invention, the rotary chuck that is rotationally driven and controlled by the spindle motor is disposed to be disposed to the left and right, and has a forging that is capable of generating at least one spindle motor for fusion-bonding via control. The pressure of the time, and the feeding force of the pressing force at the time of the end pressure, and the at least one or more tool tables' can thereby be continuously machined and frictionally pressed to each other, thereby improving the machining accuracy and having Excellent productivity. [Embodiment] 099120223 6 201200276 Hereinafter, a configuration example of the friction crimping machine of the present invention will be described with reference to Fig. 3 . The left side of the base 1 has an L-side main shaft 20 and an L-side chuck 21 that is rotationally driven and controlled by the spindle motor. The R-side main shaft 10 is disposed opposite to the right side so that its axis coincides with the L-side main shaft, and the R-side collet 11 is rotationally driven and controlled by the spindle motor. In the present embodiment, the R-side spindle 10 is exemplified by the R-side feed motor 12 and the ball screw 13 in the Z-axis direction. At least one of the two main shafts disposed to face each other may have a feed motor that performs position control in the Z-axis direction. The R side feed motor 12 is a servo motor, and in the friction pressure bonding step, forging pressure and end pressure thrust (pressing force) are obtained. On the upper side of the paper of Fig. 3 on the axes of the L-side main shaft 20 and the R-side main shaft 10, a first cutter table 30 having a first turret 31 is provided. The first tool holder 30 has a feed motor 32 that is moved and controlled in the Z-axis direction by the ball screw 32a, and a feed motor 33 that performs feed position control in the X-axis direction from the main axis in a direction perpendicular to the main axis. And a feed motor 34 that performs position control in the Y-axis direction. Similarly, a second tool table 40 having a second turret 41 is disposed on the lower side of the main axis. The second tool post 40 is also controlled by the feed motor 42 having the ball screw 42a and the feed motors 43, 44 in the Z-axis direction, the X-axis direction, and the Y-axis direction, respectively. 099120223 7 201200276 In addition, the two turrets formed by two sets of turrets can also be turret type or four turret type. In addition, the tool table can also be equipped with a tool table that is controlled by the b-axis. Next, a step of performing friction/pressure bonding will be described by taking an example of a workpiece W1 having a relatively large outer diameter and a workpiece W2 forming an outer shape ratio and a shaft portion according to Fig. 1 as an example. As shown in Fig. 1 (4), the workpiece W2 is clamped and fixed to the L-side chuck 21' to rotate the workpiece W2, and the joint surface is processed by a tool such as a turning tool 36 attached to the first turret 31 (not shown). Wait. On the other hand, the workpiece W1 is clamped and fixed to the R-side main shaft 1〇, and the joint surface or other necessary processing is performed by the tool shaft 46 attached to the first transfer 41 and the rotary tool 47. As shown in Fig. Ub), the workpiece W2 is stopped to be fixed to be fixed, and the workpiece W1 mounted on the R-side main shaft 1G is pressed while being rotated at a high speed. At this time, the forging rough force is controlled by the R-side feed motor 12 (not shown), and when the D-side is softened by the friction (four) (four), the rotation is stopped, and the 纟R-side feed motor 12 is pressed by the end pressure to perform crimping. . This dance is also rough and the pressure is controlled by the servo. As shown in Fig. 1 (c) and (d), the workpiece after joining is transferred to the workpiece through the L side main pumping 2 〇 and the R side spindle 10, and the necessary processing can be continuously performed by the sharpening tool 47 and the turning tool 48. . Figure 2 shows an example of the steps of friction crimping and machining of materials of longer dimensions. 099120223 8 201200276 The workpieces W2 and W1 are respectively clamped and fixed to the L-side spindle 2 〇 and the R-side spindle 10, and the required processing such as the joint surface is performed using tools 36 and 48, and is performed as shown in Fig. 2(b). Friction crimping. When the long-sized material is formed by joining the workpieces W1 and W2, the center of the workpiece can be pressed by the center pin 49a of the tailstock 49 attached to the turret, and the necessary processing can be performed by the turning tool 36 or the like to remove the joint portion. The resulting burr d. Further, as shown in FIG. 2(d), the workpiece may be transferred to the R-side main shaft 1〇, and further necessary processing may be performed. In the present invention, in the case where the one side of the friction crimping machine is a fixed chuck, in the present invention, the rotary chuck that is rotated and controlled by the spindle motor is disposed to the right and left, and the turning and cutting are continuously performed through the group of the cutter table. Such as machining and frictional crimping to improve the positioning accuracy of the guard, and to improve the dimensional accuracy of the product, it is also possible to continuously remove the burr of the joint to improve productivity. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 shows an example in which w 1 and W 2 having different outer diameters are processed and joined. Fig. 2 shows an example of joining and processing of a material of a longer dimension. Fig. 3 is a view schematically showing a configuration example of a friction crimping machine of the present invention. Fig. 4 shows a conventional processing example. [Main component symbol description] 1 Base 10 R-axis spindle 099120223 201200276 11 R-side chuck 12 R-side feed motor 13 Ball screw 20 L-side spindle 21 L-side chuck 30 First tool table 31 First turret 32 Feed motor 32a Ball screw 33 Feed motor 34 Feed motor 36 Turning tool (tool) 40 Second tool table 41 Second turret 42 Feed motor 42a Ball screw 43, 44 Motor 46 Tool axis 47 Milling tool (rotary tool) 48 Turning tools (tools) 49 Tailstock 49a Center pin 099120223 10 201200276 146 147 W1 W2 Mandrel long tool flange (workpiece) Shaft (workpiece) 099120223

Claims (1)

201200276 七、申凊專利範圍: L一種摩擦壓接機,其特徵在於, 八八有由主軸馬達進行旋轉驅動控制之左右相對向 轉夾頭, & β並具有經由控制使可產生至少—者妹馬達在進行炫融 經接之锻料所需之壓力、及±駐軸馬達在停止後 (upset)時所需之按壓力之進給馬達, 且具有至少-台以上經從與相對向之上述主轴馬達間之 中心線相正交的方向進行進給位置控制之刀具台。 2.—種摩擦壓接方法,其特徵在於, 其具有由主軸馬達進行旋轉驅動控制之左右相對向之旋 轉夾頭, 並具有經由控制使可產生至少一者主軸馬達在進行熔融 壓接之鍛粗時所需之壓力、及上述主軸馬達在停止彳^之>端壓 時所需之按壓力之進給馬達, 且具有至少一台以上經從與相對向之上述主輛馬達間之 中心線相正父的方向進行進給位置控制之刀且4 將工件W1襄夾固定在-者之旋轉夾頭,根據需要對該工 件W1進行既定加工,並將工件W2裝夾固定在另者之扩 轉夾頭,根據需要對該工件W2進行既定加工,之後對裝= 099120223 12 201200276 固定在兩者旋轉夾頭之工件W1和W2進行摩擦壓接。 3.如申請專利範圍第2項之摩擦壓接方法,其中,在對工 件W1和W2進行摩擦壓接後,將該工件交接至一者之旋轉 夾頭,以進行更進一步之加工。 s- 099120223 13201200276 VII. Application scope of the patent: L A friction crimping machine, characterized in that: the eight-eighth has a left-right relative rotating chuck controlled by a spindle motor, and the & β has a control to enable at least The motor of the sister motor is required to perform the pressure required for the splicing of the forged material, and the pressing force of the pressing force required for the counter-shaft motor to be upset, and has at least one or more The tool table for feeding position control is performed in a direction in which the center lines of the spindle motors are orthogonal to each other. 2. A friction crimping method, characterized in that it has a left-right opposite rotating chuck that is rotationally driven by a spindle motor, and has a forging that allows at least one of the spindle motors to be melt-bonded via control. The pressure required for the coarse time, and the feed motor required for the above-mentioned spindle motor to stop the pressing force of the end pressure, and having at least one center between the opposite and the main motor The tool for feeding position control is carried out in the direction of the line in the center of the line and the workpiece W1 is clamped to the rotating chuck of the workpiece, and the workpiece W1 is subjected to predetermined processing as needed, and the workpiece W2 is clamped and fixed to the other. The chuck is expanded, and the workpiece W2 is subjected to predetermined processing as needed, and then the workpieces W1 and W2 fixed to the two rotating chucks are friction-bonded to the assembly = 099120223 12 201200276. 3. The friction crimping method of claim 2, wherein after the workpieces W1 and W2 are frictionally crimped, the workpiece is transferred to one of the rotary chucks for further processing. S- 099120223 13
TW99120223A 2010-06-22 2010-06-22 Friction welding machine and friction welding method TW201200276A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI421140B (en) * 2012-01-20 2014-01-01 Nittan Valva Burring apparatus for use with friction pressure welding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI421140B (en) * 2012-01-20 2014-01-01 Nittan Valva Burring apparatus for use with friction pressure welding machine

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