JPS6363957A - Apparatus for measuring strength of spot welding - Google Patents
Apparatus for measuring strength of spot weldingInfo
- Publication number
- JPS6363957A JPS6363957A JP61208376A JP20837686A JPS6363957A JP S6363957 A JPS6363957 A JP S6363957A JP 61208376 A JP61208376 A JP 61208376A JP 20837686 A JP20837686 A JP 20837686A JP S6363957 A JPS6363957 A JP S6363957A
- Authority
- JP
- Japan
- Prior art keywords
- spot welding
- temp
- welding
- base plate
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011120 plywood Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はスポット溶接、特に合板に対して電子部品の固
着それも主として磁気ヘッドを取付板やテープガイド等
に固着する際の手段として用いられるスポット溶接の強
度（剥離性）を、そのスポット溶接中に測定する装置に
関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is used for spot welding, particularly for fixing electronic components to plywood, and mainly as a means for fixing magnetic heads to mounting plates, tape guides, etc. The present invention relates to a device for measuring the strength (peelability) of spot welding during spot welding.
従来より、磁気ヘッドに取付板やテープガイド等を取り
付は固着するにはスポット溶接が行なわれているところ
であるが、従来はそのスポット溶接の作業中にスポット
溶接の強度を測定し、良品と不良品とを分別する方法は
存在せず、一般的にはスポット溶接後に抜き取って引っ
張り試験機あるいは人手によってスポット溶接の強度（
特に剥離性）のチェックを行なっていた。Conventionally, spot welding has been used to attach and secure mounting plates, tape guides, etc. to magnetic heads, but conventionally the strength of the spot welds was measured during the spot welding process to determine if the product was good. There is no method to separate defective products, and generally, after spot welding, they are extracted and tested using a tensile tester or manually.
In particular, the removability was checked.
しかしながら、この従来におけるスポット溶接の強度の
チェック方法では、生産工程が多くなり、又、非常に煩
わしいばかりかその精度も正確なものではなかった。However, this conventional method for checking the strength of spot welding requires a large number of production steps, is extremely troublesome, and is not accurate.
そこで、本発明は係る従来の問題点に着目してなされた
もので、かかる問題点を解消して、スポット溶接中に、
そのスポー、ト溶接の接着の強度をその発熱睦によって
測定することを可能とし、早期における不良品の判別を
行ない、製品の生産時間を短縮するとともに煩わしいチ
ェック作業を排除し、又、そのスポット溶接強度の測定
精度を向］−させることができるようにしたスポット溶
接の強度測定装置を提供することを目的としている。Therefore, the present invention has been made by focusing on the conventional problems, and solves the problems by solving the problems.
It is possible to measure the adhesion strength of the spot welding by the heat-generating joint, and to identify defective products at an early stage, shorten product production time and eliminate troublesome checking work. It is an object of the present invention to provide a spot welding strength measuring device that can improve strength measurement accuracy.
〔問題点を解決しようとするための手段〕この［１的を
達成するために、本発明に係るスポー、ト溶接の強度測
定装置は、台板に対する電子部品のスポット溶接中に、
温度センサーによってスポット溶接温度を検出し、その
温度の範囲によってスポット溶接強度の判定を行ない、
良否の判別をすることを特徴としている。[Means for Solving the Problems] In order to achieve the first objective, the spot welding strength measuring device according to the present invention measures
The spot welding temperature is detected by a temperature sensor, and the spot welding strength is determined based on the temperature range.
It is characterized by the ability to judge whether it is good or bad.
上記したような測定装置を用いることによって、スポッ
ト溶接の作業中にそのスポット溶接の接着の強度を知る
ことができ、煩わしいチェック作業を排除して生産時間
の短縮を図り、又、そのＡ測定精度の向１：も図ること
ができるのである。By using the above-mentioned measuring device, it is possible to know the adhesive strength of spot welding during spot welding work, eliminate troublesome checking work, shorten production time, and improve the A measurement accuracy. Direction 1: can also be achieved.
次に未発明の実施の−・例を第１図乃至第５図を参照し
て詳細に説明する。Next, an example of an uninvented implementation will be described in detail with reference to FIGS. 1 to 5.
第１図は本発明に係るスポット溶接の強度測定装置を示
す概略のブロック図であり、図中１は磁気ヘッドを示し
ている。この磁気ヘッドｌには取付板あるいはテープガ
イド等の台板２がスポット溶接によって固着されること
となる。又、前記した台板２には磁気へラド１との間に
隙間を形成し溶着部とするためプロジェクション２ａ・
２ａが設けられており、台板２に電極３の先端が当接さ
れてスポット溶接作業がなされるものとなっている。こ
の電極３は先端が細径とされ、前記プロジェクション２
ａｅ２ａ部分を覆うことなく、その間に収まるように図
られている。FIG. 1 is a schematic block diagram showing a spot welding strength measuring device according to the present invention, and numeral 1 in the figure indicates a magnetic head. A base plate 2 such as a mounting plate or a tape guide is fixed to this magnetic head l by spot welding. In addition, projections 2a and 2a are formed on the base plate 2 described above to form a gap with the magnetic helad 1 and serve as a welding part.
2a is provided, and the tip of the electrode 3 is brought into contact with the base plate 2 to perform spot welding work. The tip of this electrode 3 has a small diameter, and the projection 2
It is designed to fit between the ae2a part without covering it.
−・方、図中４ａ・４ｂは赤外線温度センサーであり、
５ａｅ５ｂはその赤外線温度センサー４ａ・４ｂのへ一
２ドを示している。このセンサーヘッド５ａ・５ｂによ
って前記台板２の溶着部となるプロジェクション２ａ・
２ａの真上から台板２の表面温度を検出してレコーダ６
によってその波形を処理するものとなっている。-・In the figure, 4a and 4b are infrared temperature sensors,
5ae5b indicates the leads of the infrared temperature sensors 4a and 4b. The sensor heads 5a and 5b form projections 2a and 2a, which are the welded parts of the base plate 2.
The recorder 6 detects the surface temperature of the base plate 2 from directly above the base plate 2a.
The waveform is processed by
又、本発明における赤外線温度センサー４ａ・４ｂはス
ポット溶接のピーク温度及び温度幅（時間）を検出し、
その両者が一定の温度基準をクリアーするか否かを判別
してスイット溶接の接着強度を判定するものとし、ピー
ク温度もしくは温度幅のいずれか一方でも基準に達しな
い場合はランプ７を点灯して不良品であることを知らし
めるものとなっている。又、ピーク温度の検出は良品と
なる一定の温度を予め設定しておき、その設定温度以上
になるか沓かを、又、温度幅は赤外線温度センサー４ａ
・４ｂがスポット溶接の温度上昇に追従できるように設
定された応答速度４０ｍ５に対し、それ以−１−か否か
を検出するものとなっている。尚、本発明の実施におけ
る赤外線温度センサー４ａ−４ｂ（７）温度Ｌ／７ジは
４００〜９００＠Ｃとしてあり、第３図にあって破線Ａ
で示すものはピーク温度はクリアーしているが温度幅が
足らず、又、破線Ｂで示すものは温度幅はクリアーして
いるがピーク温度が足らない、共に不良品の例である。Further, the infrared temperature sensors 4a and 4b in the present invention detect the peak temperature and temperature width (time) of spot welding,
The adhesive strength of switch welding is judged by determining whether or not both of them clear a certain temperature standard.If either the peak temperature or the temperature range does not reach the standard, the lamp 7 is turned on. This indicates that the product is defective. In addition, to detect the peak temperature, set a certain temperature in advance that will result in a good product, and check whether it exceeds the set temperature or not.The temperature range can also be determined by using the infrared temperature sensor
- 4b is designed to detect whether the response speed is -1- or not with respect to the response speed of 40m5, which is set so that it can follow the temperature rise of spot welding. In addition, the temperature L/7 of the infrared temperature sensor 4a-4b (7) in the implementation of the present invention is 400 to 900@C, and the broken line A in FIG.
The one shown by is a clear peak temperature but the temperature range is insufficient, and the one shown by broken line B is a clear temperature range but the peak temperature is insufficient, both of which are examples of defective products.
更に、第４図に示すのは台板２の表面温度とスポット溶
接の強度（剥離強度）の関係を示すグラフであり、この
第４図から解るようにスポット溶接温度がｓｏｏ＠ｃ以
下であると、０゜７ｋＡ以下のもの、又、１．ｌｋＡで
も片浮きの場合には不良品として判別されることとなる
。Furthermore, Fig. 4 is a graph showing the relationship between the surface temperature of the base plate 2 and the strength of spot welding (peel strength), and as can be seen from Fig. 4, the spot welding temperature is below soo@c. and 0°7 kA or less, and 1. Even with lkA, if it is floating on one side, it will be determined as a defective product.
又、第５図に示すのは、本発明の実施に使用される応答
速度を４０ｍ５に設定した赤外線温度センサー４ａ・４
ｂの性渣を表わすグラフであり、スポット溶接の温度上
昇に対応し、設定時間に対し、立ち上がりと立ち下がり
が相対的なカーブを描くものとなっている。即ち、設定
されたピーク温度を頂点として対称的なカーブが設定さ
れたものとされている。Moreover, what is shown in FIG. 5 is an infrared temperature sensor 4a, 4 whose response speed is set to 40 m5, which is used in the implementation of the present invention.
It is a graph showing the residual properties of b, and corresponds to the temperature rise of spot welding, and the rising and falling curves are relative to the set time. That is, a symmetrical curve is set with the set peak temperature as the apex.
上述したように本発明に係る装置によれば、スポット溶
接の作業中にスポット溶接温度を検出することによって
そのスポット溶接の強度を知ることができ、Ｖ期に不良
品を分別し、煩わしいチェー２り作業を排除することが
できる。又、そのために生産時間が短縮されるとともに
、測定の精度も向上することとなり、更には得られた製
品の剥離強度を予め推定することも可モなものとなって
いる。As described above, according to the apparatus according to the present invention, the strength of spot welding can be known by detecting the spot welding temperature during spot welding work, and defective products can be separated in the V period, and the troublesome chain 2 This eliminates additional work. Moreover, as a result, production time is shortened and measurement accuracy is improved, and furthermore, it has become possible to estimate the peel strength of the obtained product in advance.
第１図は本発明に係るスポット溶接の強度測定装置の概
略を示すブロック図、第２図は同使用される赤外線温度
センサーのブロック図、第３図は回ｍ遊内容を示すグラ
フ、第４図は同台板の表面温度とスポット溶接の強度の
関係を示すグラフ、第５図は同赤外線温度センサーの性
能を示すグラフである。
１・・・磁気へ一７ド ２・・・台板
２ａ・・・プロジェクション ３・・・電極４ａ番４ｂ
・・・赤外線温度センサー
６・・・レコーダー
第１図
第２図
セｖｌｌ壜ゼｒFig. 1 is a block diagram showing an outline of the spot welding strength measuring device according to the present invention, Fig. 2 is a block diagram of an infrared temperature sensor used in the same, Fig. 3 is a graph showing the contents of circulation, Fig. 4 The figure is a graph showing the relationship between the surface temperature of the base plate and the strength of spot welding, and FIG. 5 is a graph showing the performance of the infrared temperature sensor. 1... To the magnetic field 2... Base plate 2a... Projection 3... Electrode 4a No. 4b
...Infrared temperature sensor 6...Recorder Figure 1 Figure 2
Claims (4)
センサーによってそのスポット溶接温度を検出し、その
温度範囲によってスポット溶接強度の判定を行ない、良
否の判別をすることを特徴とするスポット溶接の強度測
定装置。(1) Spot welding is characterized in that during spot welding of electronic components to the base plate, the spot welding temperature is detected by a temperature sensor, and the spot welding strength is determined based on the temperature range to determine pass/fail. Strength measuring device.
のスポット溶接温度の測定は、プロジェクションの真上
から行ない、レコーダーによってその波形を処理するこ
とを特徴とする特許請求の範囲第１項に記載のスポット
溶接の強度測定装置。(2) The spot according to claim 1, wherein the temperature sensor is an infrared temperature sensor, and the spot welding temperature is measured from directly above the projection, and the waveform thereof is processed by a recorder. Welding strength measuring device.
（時間）を検出するものであることを特徴とする特許請
求の範囲第１項、又は第２項に記載のスポット溶接の強
度測定装置。(3) The spot welding strength measuring device according to claim 1 or 2, wherein the infrared temperature sensor detects a peak temperature and a temperature width (time).
上昇に追従できる応答速度を有するものとしたことを特
徴とする特許請求の範囲第１項、第２項、又は第３項に
記載のスポット溶接の強度測定装置。(4) The spot welding according to claim 1, 2, or 3, wherein the infrared temperature sensor has a response speed that can follow a temperature rise during spot welding. strength measuring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61208376A JPS6363957A (en) | 1986-09-04 | 1986-09-04 | Apparatus for measuring strength of spot welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61208376A JPS6363957A (en) | 1986-09-04 | 1986-09-04 | Apparatus for measuring strength of spot welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6363957A true JPS6363957A (en) | 1988-03-22 |
Family
ID=16555257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61208376A Pending JPS6363957A (en) | 1986-09-04 | 1986-09-04 | Apparatus for measuring strength of spot welding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6363957A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010145364A (en) * | 2008-12-22 | 2010-07-01 | Kirin Brewery Co Ltd | Apparatus for inspection of hot-melt coated state |
-
1986
- 1986-09-04 JP JP61208376A patent/JPS6363957A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010145364A (en) * | 2008-12-22 | 2010-07-01 | Kirin Brewery Co Ltd | Apparatus for inspection of hot-melt coated state |
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