CN101931159A - Fusion welding method and device - Google Patents
Fusion welding method and device Download PDFInfo
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- CN101931159A CN101931159A CN2010102084319A CN201010208431A CN101931159A CN 101931159 A CN101931159 A CN 101931159A CN 2010102084319 A CN2010102084319 A CN 2010102084319A CN 201010208431 A CN201010208431 A CN 201010208431A CN 101931159 A CN101931159 A CN 101931159A
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Abstract
The invention provides a kind of higher fusion welding method and device of adaptability of change of the caloric value at the junction surface.Comprise in fusion welding method of the present invention: configuration is fused material (W with first between first electrode (1) and second electrode (2)
1) and second be fused material (W
2) stage of workpiece (W) after the combination; Second electrode (2) is moved, thus, begin stage workpiece (W) pressurization; With the first current value (I
1) stage of energising between beginning first electrode (1) and second electrode (2); Displacement at second electrode (2) reaches the predefined first displacement datum value (R
1) time, make the first current value (I
1) be changed to the second current value (I
2) stage; And reach the predefined second displacement datum value (R at the displacement of second electrode (2)
2) time stage of stopping to switch on, wherein, the first displacement datum value (R
1) to set according to the mode that changes from the elapsed time that energising begins.
Description
Technical field
Thereby the present invention relates on one side electric wire and metal terminal pressurization fusion welding method and the device that heating engages each other of switching on one side.
Background technology
For covered electric cable mechanically and electrically is connected on the terminal of small-sized motor device or electronic unit, fusion welding is widely used.In the operation of fusion welding, covered electric cable that should engage and terminal only mechanically block, then switch on to the junction surface while utilizing electrode to exert pressure, thus, after utilizing Joule heat that the insulation coverlay of covered electric cable is melted and peeling off, electric wire mechanically and electrically is connected with terminal.
As the control method of fusion welding, generally use following displacement control method: the starting point of will switching on stops energising as datum mark when the displacement of electrode reaches predetermined value.But,,, because inertia, move and also can not stop at once even stop to after its energising for electrode.In addition, be subjected to the influence of the febrile state of electrode and workpiece (work) by such displacement that inertia caused, high temperature displacement is long more.So, even utilize displacement control, stopped energising at predetermined identical electrode displacement amount place, under the very few situation of caloric value, by the displacement that inertia caused and the deflection deficiency of workpiece, in addition, under the excessive situation of caloric value, the deflection of described displacement and workpiece is excessive.Therefore, in order further to improve adaptability at the change of caloric value, in displacement control, the two stages energising that in the way of the displacement of electrode, current value is changed.The device of putting down in writing in TOHKEMY 2002-164142 communique is the device that carries out the energising of two stages, measures the displacement of upper electrode, based on the variable quantity of displacement and this displacement, electric current is switched to second current value from first current value.Thus, the influence of the deviation of the electric wire of the preceding operation that is not melted and the riveting status of terminal prevents that the coating film of covered electric cable from peeling off not enough and heat seal strength deficiency.
But, in fusion welding employed electrode along with engaging number of times deterioration gradually, so, manage as follows: with predetermined joint number of times for example 300～400 times be to exchange in the life-span.Usually, in the life-span of the electrode that sets, utilize displacement control as described above, can stably implement fusion welding.
But, exist in the situation that the batch mixed flowing water of the workpiece that carries out a plurality of kinds on the production line of melting process is produced, in this case, the order of each kind that circulates or the batch sizes of each kind are fixing.In addition, current condition is distinguished difference because of kind, and therefore, the degradation of electrode is also different respectively.Therefore, owing to the kind and the batch sizes thereof of circulation before are different respectively, so the degree of the deterioration of the electrode when equally predicting the switching kind is difficult, and, compare the amplitude of fluctuation expansion of caloric value with the situation of only producing single variety.Consequently, even carry out displacement control, the change of corresponding caloric value fully, the situation that exists defect rate to rise with aforesaid two stages energising.
Summary of the invention
The present invention proposes in view of the problem of above-mentioned prior art, and its purpose is to provide higher fusion welding method and the device of adaptability at the change of the caloric value at place, junction surface.
The invention provides a kind of method of carrying out fusion welding, second electrode (2) that uses first electrode (1) and carry out displacement measurement and can move is to being fused material (W by first
1) and second be fused material (W
2) workpiece (W) that constitutes carries out fusion welding; It is characterized in that, comprising: configuration is fused material (W with first between first electrode (1) and second electrode (2)
1) and second be fused material (W
2) stage of workpiece (W) after the combination; Second electrode (2) is moved, thus, begin stage workpiece (W) pressurization; With the first current value (I
1) stage of energising between beginning first electrode (1) and second electrode (2); Displacement at second electrode (2) reaches the predefined first displacement datum value (R
1) time, from the first current value (I
1) be changed to the second current value (I
2) stage; And reach the predefined second displacement datum value (R at the displacement of second electrode (2)
2) time stage of stopping to switch on, wherein, the first displacement datum value (R
1) to set according to the mode that changes from the elapsed time that energising begins.
Thus, because the first displacement datum value is to set according to the mode that changes from the elapsed time that energising begins, so, can be according to the change of electrode displacement speed, be the change of the caloric value of workpiece and electrode, carry out the switching of current value in more suitable timing.
In addition, in method of carrying out fusion welding of the present invention, with according to the increase in elapsed time and the dull mode that increases or set the first displacement datum value (R in the mode that increases according to the increase in elapsed time interimly
1).
In addition, in method of carrying out fusion welding of the present invention, the first current value (I
1) can be than the second current value (I
2) big, the first current value (I
1) also can be than the second current value (I
2) little.
And, in the method for carrying out fusion welding of the present invention, for the maintenance of not carrying out first electrode (1) and second electrode (2) or exchange ground are unit with batch the workpiece (W) of a plurality of kinds is carried out fusion welding, can implement repeatedly above-mentioned each stage each batch of the workpiece (W) of a plurality of kinds.In this case, corresponding to the workpiece (W) of a plurality of kinds, set the first and second displacement datum value (R of many groups
1, R
2).Thus, for method of the present invention, effective especially under the situation that the unfixed batch mixed flowing water of the degree of the deterioration of carrying out electrode is produced.
The invention provides a kind of fusion welding device, be used for being fused material (W by first
1) and second be fused material (W
2) workpiece (W) that constitutes carries out fusion welding, it is characterized in that having: welding source (3); First electrode (1) is connected with a utmost point of welding source (3); Second electrode (2) is connected with another utmost point of welding source (3), constitute in the mode that can move up and down, and, can and first electrode (1) between holding workpiece (W) and pressurizeing; Electrode displacement detecting unit (4) detects the displacement of second electrode (2); And control device (6), based on the displacement by detected second electrode of electrode displacement detecting unit (4) (2), the first displacement datum value (R is set and stored to the output current of control welding source (3)
1) and the second displacement datum value (R
2), wherein, control device (6) is controlled output current as follows: after second electrode (2) pressurizes to workpiece (W), with the first current value (I
1) energising between beginning first and described second electrode (1,2), reach the first displacement datum value (R at the displacement of second electrode (2)
1) time, make the first current value (I
1) be changed to the second current value (I
2), reach the second displacement datum value (R at the displacement of second electrode (2)
2) time stop energising, to set the first displacement datum value (R according to the mode that changes from the elapsed time that energising begins
1).
Thus, to set the first displacement datum value according to the mode that changes from the elapsed time that energising begins, so, can be according to the change of electrode displacement speed, be the change of the caloric value of workpiece and electrode, carry out the switching of current value in more suitable timing.
In fusion welding device of the present invention, can in control device (6), set and store many group first and second displacement datum value (R
1, R
2).
In addition, the Reference numeral in the bracket of above-mentioned each unit be expression with embodiment described later in the example of corresponding relation of the concrete unit put down in writing.
Below, with the record of preferred implementation of the present invention, can understand the present invention more fully with reference to the accompanying drawings.
Description of drawings
Fig. 1 is the figure of structure of the fusion welding device of expression embodiments of the invention.
Fig. 2 is the block diagram of the control device of described fusion welding device.
Fig. 3 is the figure that is illustrated in an example of the displacement datum value of setting in the described control device.
Fig. 4 is the figure that is illustrated in other examples of the displacement datum value of setting in the described control device.
Fig. 5 is the figure with the displacement curve of the schematically illustrated standard of displacement datum value.
Fig. 6 has further appended the displacement curve of the less situation of initial heating and the figure of current waveform in Fig. 5.
Fig. 7 has further appended the displacement curve of the bigger situation of initial heating and the figure of current waveform in Fig. 5.
Fig. 8 is the figure of change of the weld time of two kinds of workpiece kinds of expression.
Fig. 9 is the figure of change of the displacement of two kinds of workpiece kinds of expression.
Figure 10 is the figure of structure of the fusion welding device of expression correlation technique.
Figure 11 is the figure that is shown schematically in the displacement datum value of setting in the fusion welding device of correlation technique with the displacement curve of standard.
Figure 12 is the figure that expression has utilized the displacement curve under the situation of fusion welding device of correlation technique.
Embodiment
Before fusion welding device of the present invention and welding process are described, at first,, the fusion welding device 100 of correlation technique is described with reference to Figure 10～12.As shown in figure 10, the fusion welding device 100 of correlation technique has: lower electrode 1; Upper electrode 2 with lower electrode 1 arranged opposite; Welding source 3; The electrode displacement sensor 4 that the displacement of upper electrode 2 is detected; Current sensor 5; Control device 106.In addition, clamping has workpiece W between upper electrode 2 and lower electrode 1, for this workpiece W, in this embodiment, by the metallic terminal W of U font
1Be clamped in above-mentioned terminal W
1The covered electric cable W of inboard
2Constitute.Terminal W
1With covered electric cable W
2In the staking process of the preceding operation of melting process, made up like this and each other card end.
Upper electrode 2 constitutes as follows: can be up or down kept frame supported by not shown electrode, and, also never illustratedly add that air cylinder is stressed to be moved.The above-mentioned air cylinder that adds can be with fixing power to upper electrode 2 and workpiece W pressurization when driving.In addition, upper electrode 2 utilizes secondary conductor 7 to be electrically connected with a utmost point of welding source 3.On the other hand, lower electrode 1 fixedly is fixed on the not shown electrode maintenance framework, utilizes secondary conductor 8 to be electrically connected with another utmost point of welding source 3.
The control device 106 of Figure 10 carries out the displacement control of two stages energisings, and in more detail, based on the displacement of fixing power to the upper electrode 2 of workpiece W pressurization, switching and the energising of carrying out current value stop.Therefore, preestablish and store the first displacement datum value R
1And the second displacement datum value R
2106 pairs of welding sources 3 of control device are controlled, and make that the displacement at upper electrode 2 reaches the first displacement datum value R
1The time, make electric current from first current value I
1Drop to second current value I
2, reach the second displacement datum value R at the displacement of upper electrode 2
2In time, stop to switch on.
The schematically illustrated expression of Figure 11 uses the fusion welding device 100 of such correlation technique to carry out the displacement curve D of the displacement of the upper electrode 2 under the situation of fusion welding with respect to the variation of time, the first displacement datum value R
1And the second displacement datum value R
2Also illustrate as fixing value.The energising that the zero point of time among Figure 11 and upper electrode 2 have touched after the workpiece W is consistent the zero hour, in addition, and the position consistency of the zero point of displacement and the upper electrode 2 of energising zero hour.Therefore, the upper electrode displacement of Figure 11 is in fact consistent with the deflection of workpiece W.In addition, the displacement curve D of this figure and the expression first displacement datum value R
1The intersection point of straight line be current switching point C1, displacement curve D and the expression second displacement datum value R
2The intersection point of straight line be energising halt C2.In addition, after stopping to switch on, electrode is because inertia is also mobile slightly.
The fusion welding device 100 that Figure 12 illustrates the correlation technique of using Figure 10 carries out the displacement curve of the upper electrode 2 under the situation of fusion welding, still, and 3 displacement curves shown in this figure.Displacement curve D
1The situation of the qualified product of expression standard, displacement curve D
2Expression is because the excessive situation that makes the defective item of the upper limit permissible value that displacement surpassed 2090 μ m of generating heat, displacement curve D
3Expression is because the very few situation that makes the defective item of the upper limit permissible value that the time surpassed 90cyc of generating heat.In addition, in this manual, the 1cyc of the unit of time is made as 16.7ms.
But, if use the melting appartus of this correlation technique to carry out the production of batch mixed flowing water, then have following situation: as described above for the degree of the deterioration of unfixed electrode or the size of initial caloric value, current switching can not be suitably corresponding, causes this result of rising of defect rate.Under the excessive situation of caloric value, be in superheat state, so, as the displacement curve D of Figure 12
2Shown in like that, velocity of displacement is fast, the displacement by inertia caused of the electrode after energising stops to become big, displacement is that the deflection of workpiece has surpassed its upper limit specification.On the other hand, under the very few situation of caloric value, as displacement curve D
3Shown in like that, velocity of displacement is slow, even if in the moment as the 90cyc of the upper limit specification of time, displacement does not reach the second displacement datum value R yet
2
Secondly, with reference to Fig. 1～Fig. 9 the fusion welding device and the method for embodiments of the invention are described.
As shown in Figure 1,, compare with the fusion welding device 100 of above-mentioned correlation technique for the fusion welding device 10 of embodiments of the invention, control device 6 differences only, other inscape is identical.Therefore, the identical Reference numeral of inscape mark to identical omits its explanation in addition.
Fig. 2 is the block diagram of structure of control device 6 of the fusion welding device 10 of presentation graphs 1.This control device 6 has: current sensor input part 61, will amplify from the analog signal of current sensor 5, and implement noise filtering and handle; A/D converter section 62 will carry out the A/D conversion from the analog signal that current sensor input part 61 receives, and give microprocessor described later portion 67 with data; Displacement transducer input part 63 is handled implementing noise filtering from the digital signal of displacement transducer 4; Counter circuit portion 64 receives the signal from displacement transducer input part 63, the reversible counting (up down count) that carries out pulse; Measure regularly generating unit 65, generation obtains the timing signal of the data of current sensor 5 and counter; The displacement datum value is set table 66, measures the first displacement datum value R regularly to having set each respectively
1And the second displacement datum value R
2Data store; Microprocessor portion 67 obtains the data of current sensor 5 and counter, respectively the data of counter and the data of displacement datum value setting table 66 is compared, and judges whether the control output signal is connected (ON); Control signal efferent 68, the signal that 3 output energisings stop to welding source.
Set in the table 66 in the displacement datum value of control device 6,, set the first and second displacement datum value R with the corresponding many groups of a plurality of workpiece kinds for can be corresponding with hybrid flow production
1, R
2In addition, the displacement datum value that sets is not limited to fixed value.Fig. 3 is illustrated in the first displacement datum value R that the workpiece kind A that sets in the displacement datum value setting table 66 of present embodiment uses
1And the second displacement datum value R
2Figure.The second displacement datum value R that the kind A of Fig. 3 uses
2With the time through irrespectively being fixed as about 1550 μ m, still, the first displacement datum value R
1Change as follows: with increasing through carry out linearity at first since 1000 μ m of time, carrying out stage halfway increases, until about 1300 μ m.Fig. 4 is the first displacement datum value R that expression kind B uses
1And the second displacement datum value R
2The figure identical with Fig. 3.The second displacement datum value R that the kind B of Fig. 4 uses
2Also with the time through irrespectively being fixed as 2000 μ m, still, the first displacement datum value R
1Change as follows: with the time through, beginning to carry out at first linearity from about 1000 μ m increases, and carries out the stage increase halfway, until about 1600 μ m.
Secondly, the fusion welding method of embodiments of the invention describes the example of the batch mixed flowing water production of two kinds of workpiece being applied to kind A and B.In addition, do not implement the maintenance of top and lower electrode or the operation that exchange ground carries out the method for this embodiment.
At first, as the preparatory stage, two groups the first and second displacement datum value that two kinds of workpiece W are used is input in the displacement datum value setting table 66 of control device 6 in advance, and stores.These displacement datum values such as Fig. 3 and shown in Figure 4, the second displacement datum value R
2Fixing, still, the first displacement datum value R
1To follow from the process of the time that energising begins and the mode that increases set.In addition, also preestablish two groups first current value I that two kinds of workpiece W use
1And second current value I
2First and second current value I
1, I
2Be respectively fixed value, in addition, in the present embodiment, with second current value I
2Set than first current value I
1Little.
At first, will block the terminal W that ends each other by combination in advance
1With covered electric cable W
2The workpiece W of the kind A that constitutes is configured between upper electrode 2 and the lower electrode 1.At this moment, upper electrode 2 is positioned at the original position that does not contact with workpiece W.
Then, the not shown air cylinder that adds is moved, thus, upper electrode 2 is moved downwards.In addition, when upper electrode 2 moves, also begin to measure its displacement.
Then, upper electrode 2 and terminal W
1Contact, if with fixing power to terminal W
1And covered electric cable W
2Pressurize, then with first current value I
1Energising between beginning upper electrode 2 and the lower electrode 1, and the position of the upper electrode 2 during with this energising beginning is made as the zero point of displacement.
Displacement at upper electrode 2 reaches the first displacement datum value R
1The time, make electric current from first current value I
1Be changed to second current value I
2
Then, the displacement of upper electrode 2 reaches the second displacement datum value R
2The time, stop energising.
Then, upper electrode 2 is risen, after turning back to original position, take out the workpiece W of kind A, the operation of one-period finishes.Repeat above-mentioned operation, the batch machining of the workpiece W of kind A is finished.
Then, switch to the workpiece W of kind B, repeat to implement identical operation, the batch machining of the workpiece W of kind B is finished.In addition, under the situation of kind B, the first and second displacement datum value R
1, R
2Use value shown in Figure 4, in addition, first and second current value I
1, I
2Also use the current value of the value different with the situation of kind A.
Then, effect and the effect to the fusion welding method of embodiments of the invention describes.
The first displacement curve D of the variation of the electrode displacement amount of the schematically illustrated expression standard of Fig. 5
1In Fig. 5, the first displacement datum value R
1As illustrating with the time through the function that roughly increases point-blank.In the figure, not shown current waveform, still, at current switching point C1, electric current is from first current value I
1To second current value I
2Switch,, stop energising at energising halt C2.
Fig. 6 is used for figure that the control under the less situation of initial heating is described, is the first displacement curve D except standard
1Outside show the second displacement curve D under the less situation of heating
2And the figure of current waveform is shown further.As shown in Figure 6, under the less situation of heating, as the second displacement curve D
2Shown in, velocity of displacement descends, and represents the first displacement datum value R
1Straight line change in the mode that on the upper right corner, rises, thus, compare current switching point C1 Δ time of delay t with the situation of the heating of standard
a
On the other hand, Fig. 7 is used for figure that the control under the bigger situation of initial heating is described, replaces the second displacement curve D
2And triple motion curve D under the more situation of heating is shown
3As shown in Figure 7, under the more situation of heating, as the triple motion curve D
3Shown in like that velocity of displacement increase, and represent the first displacement datum value R
1Straight line change in the mode that on the upper right corner, rises, thus, compare current switching point C1 is fast time Δ t with the situation of the heating of standard
b
Certainly, even at the first displacement datum value R
1Under the situation for the fixed value represented with the straight line of level, very few corresponding with heating, current switching point C1 moves forward and backward, still, and according to the abovementioned embodiments of the present invention, with the first displacement datum value R
1For the situation of fixed value is compared, above-mentioned time of delay Δ t
aAnd initialized time Δ t
bIncrease, can access suitable current switching point C1 according to its result.This feature especially plays a role under the situation of the unfixed batch mixed flowing water of the degradation that carries out electrode production.
Fig. 8 and Fig. 9 are the actual measurement data of carrying out change kind A that batch mixed flowing water produces and B, weld time and displacement.In addition, the batch quantity of kind A is 170, and the batch quantity of kind B is 130.
About Fig. 8, kind A has different benchmark weld times respectively with B, and in addition, even for which kind, the change of weld time is all in allowed band.
About Fig. 9, the allowed band of the displacement of kind A is 1200～1800 μ m, and kind B is 1870～2400 μ m, still, confirms that kind A and B fully enter into above-mentioned allowed band.
In the above-described embodiments, it is the batch mixed flowing water production of object that method of the present invention is applied to two kinds of workpiece kind A and B, and still, the workpiece W that this method can certainly be applied to single variety is the production of object.Under the situation of single variety, and make the first displacement datum value R
1Fixing situation is compared, and also can carry out the higher control of adaptability at the change of caloric value.
In the above-described embodiments, second current value I
2Than first current value I
1Little, still, in contrast, second current value I
2Than first current value I
1Greatly also can.
In the above-described embodiments, workpiece W is by the metallic terminal W of U font
1With covered electric cable W
2Constitute, still, the present invention can be applied to various workpiece, for example, also can be applied to by metallic terminal and the workpiece that not have electric wire of coating to constitute.
Claims (8)
1. method of carrying out fusion welding, second electrode (2) that uses first electrode (1) and carry out displacement measurement and can move is to being fused material (W by first
1) and second be fused material (W
2) workpiece (W) that constitutes carries out fusion welding, it is characterized in that, comprising:
Configuration is fused material (W with described first between described first electrode (1) and described second electrode (2)
1) and described second be fused material (W
2) stage of described workpiece (W) after the combination;
Described second electrode (2) is moved, thus, begin stage described workpiece (W) pressurization;
With the first current value (I
1) stage of energising between beginning described first electrode (1) and described second electrode (2);
Displacement at described second electrode (2) reaches the predefined first displacement datum value (R
1) time, from the described first current value (I
1) be changed to the second current value (I
2) stage; And
Displacement at described second electrode (2) reaches the predefined second displacement datum value (R
2) time stage of stopping to switch on,
The described first displacement datum value (R
1) to set according to the mode that changes from the elapsed time that energising begins.
2. the fusion welding method that carries out as claimed in claim 1 is characterized in that,
With according to the increase in described elapsed time and the dull mode that increases is set the described first displacement datum value (R
1).
3. the fusion welding method that carries out as claimed in claim 1 is characterized in that,
With according to the increase in described elapsed time and the mode that increases is set the described first displacement datum value (R interimly
1).
4. the fusion welding method that carries out as claimed in claim 1 is characterized in that,
The described first current value (I
1) than the described second current value (I
2) big.
5. the fusion welding method that carries out as claimed in claim 1 is characterized in that,
The described first current value (I
1) than the described second current value (I
2) little.
6. method of carrying out fusion welding, be that to be used for not carrying out the maintenance of described first electrode (1) and described second electrode (2) or exchange ground be unit with batch the workpiece (W) of a plurality of kinds is carried out fusion welding and each batch of the workpiece (W) of described a plurality of kinds is implemented method described each stage, that carry out the described fusion welding of claim 1 repeatedly, it is characterized in that
Corresponding with the workpiece (W) of described a plurality of kinds, set the described first and second displacement datum value (R that organize more
1, R
2).
7. fusion welding device is to being fused material (W by first
1) and second be fused material (W
2) workpiece (W) that constitutes carries out fusion welding, it is characterized in that,
Have:
Welding source (3);
First electrode (1) is connected with a utmost point of described welding source (3);
Second electrode (2) is connected with another utmost point of described welding source (3), constitute in the mode that can move up and down, and, can and described first electrode (1) between the described workpiece of clamping (W) and pressurizeing;
Electrode displacement detecting unit (4) detects the displacement of described second electrode (2); And
Control device (6) based on the displacement by detected described second electrode of described electrode displacement detecting unit (4) (2), is controlled the output current of described welding source (3), sets and store the first displacement datum value (R
1) and the second displacement datum value (R
2),
Described control device (6) is controlled output current as follows: after described second electrode (2) pressurizes to workpiece (W), with the first current value (I
1) energising of beginning between described first and second electrode (1,2), reach the described first displacement datum value (R at the displacement of described second electrode (2)
1) time, make the described first current value (I
1) be changed to the second current value (I
2), reach the described second displacement datum value (R at the displacement of described second electrode (2)
2) time, stop energising,
To set the described first displacement datum value (R according to the mode that changes from the elapsed time that energising begins
1).
8. fusion welding device as claimed in claim 7 is characterized in that,
In described control device (6), set and the storage described first and second displacement datum value (R that organize more
1, R
2).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009146632A JP5233860B2 (en) | 2009-06-19 | 2009-06-19 | Fusing welding method and apparatus |
| JP2009-146632 | 2009-06-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101931159A true CN101931159A (en) | 2010-12-29 |
| CN101931159B CN101931159B (en) | 2013-06-19 |
Family
ID=43370180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010208431 Active CN101931159B (en) | 2009-06-19 | 2010-06-18 | Fusion welding method and device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5233860B2 (en) |
| CN (1) | CN101931159B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5587091A (en) * | 1994-04-20 | 1996-12-24 | Nippondenso Co., Ltd. | Method and apparatus for controlling resistance welding |
| JP2002164142A (en) * | 2000-11-24 | 2002-06-07 | Denso Corp | Resistance welding device and method for the same |
| CN1383954A (en) * | 2001-04-27 | 2002-12-11 | 宫地技术株式会社 | Resistive welder for coated wire |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0677846B2 (en) * | 1986-09-27 | 1994-10-05 | アイシン精機株式会社 | Resistance welder |
| JP2001275224A (en) * | 1999-08-23 | 2001-10-05 | Miyachi Technos Corp | Jointing apparatus |
| JP2006050861A (en) * | 2004-08-06 | 2006-02-16 | Asmo Co Ltd | Welding method and apparatus of motor wire connection portion |
-
2009
- 2009-06-19 JP JP2009146632A patent/JP5233860B2/en active Active
-
2010
- 2010-06-18 CN CN 201010208431 patent/CN101931159B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5587091A (en) * | 1994-04-20 | 1996-12-24 | Nippondenso Co., Ltd. | Method and apparatus for controlling resistance welding |
| JP2002164142A (en) * | 2000-11-24 | 2002-06-07 | Denso Corp | Resistance welding device and method for the same |
| CN1383954A (en) * | 2001-04-27 | 2002-12-11 | 宫地技术株式会社 | Resistive welder for coated wire |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5233860B2 (en) | 2013-07-10 |
| CN101931159B (en) | 2013-06-19 |
| JP2011000623A (en) | 2011-01-06 |
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