JP2000028503A - Spot welding strength testing tool - Google Patents
Spot welding strength testing toolInfo
- Publication number
- JP2000028503A JP2000028503A JP10195204A JP19520498A JP2000028503A JP 2000028503 A JP2000028503 A JP 2000028503A JP 10195204 A JP10195204 A JP 10195204A JP 19520498 A JP19520498 A JP 19520498A JP 2000028503 A JP2000028503 A JP 2000028503A
- Authority
- JP
- Japan
- Prior art keywords
- spot welding
- spot
- jig
- strength
- torque wrench
- 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
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、スポット溶接強度
試験具に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spot welding strength test device.
【０００２】[0002]
【従来の技術】スポット溶接の溶接部の強度評価は、従
来、試験室での引張剪断試験によって行われていた。2. Description of the Related Art Conventionally, the strength of a spot weld has been evaluated by a tensile shear test in a laboratory.
【０００３】[0003]
【発明が解決しようとする課題】試験室での引張剪断試
験には時間が掛かり、溶接現場へのフィードバックが遅
れるという問題があった。本発明は上記問題に鑑みてな
されたものであり、溶接現場で簡便且つ迅速にスポット
溶接の溶接部の強度評価を行えるスポット溶接強度試験
具を提供することを目的とする。The tensile shear test in the test room takes a long time, and there is a problem that the feedback to the welding site is delayed. The present invention has been made in view of the above problems, and an object of the present invention is to provide a spot welding strength test tool that can easily and quickly evaluate the strength of a spot weld spot at a welding site.
【０００４】[0004]
【課題を解決するための手段】上記課題を解決するため
に、本発明においては、スポット溶接される一対の試験
片の一方が挿入され位置決めされる隙間と、位置決めさ
れた前記一方の試験片の所定位置に対峙して配設された
電極挿入穴とを有するスポット溶接治具と、スポット溶
接された前記一対の試験片の前記一方が挿入され位置決
めされる隙間と、位置決めされた前記一方の試験片の前
記所定位置に対峙して配設されたトルクレンチ係合穴と
を有するセット治具とを備えることを特徴とするスポッ
ト溶接強度試験具を提供する。本発明に係るスポット溶
接強度試験具においては、スポット溶接される一対の試
験片の一方をスポット溶接治具の隙間に挿入して位置決
めし、他方の試験片を前記一方の試験片に重畳させ、ス
ポット溶接治具の電極挿入穴ヘ電極を挿入してスポット
溶接を行う。次いで、スポット溶接された前記一対の試
験片の前記一方をセット治具の隙間へ挿入して位置決め
し、トルクレンチの係合突起をセット治具のトルクレン
チ係合穴に係合させ、トルクを印加する。スポット溶接
部とトルクレンチ係合穴とは正対しているので、スポッ
ト溶接の溶接部の捩り剪断強度が正確に判明する。本発
明に係るスポット溶接強度試験具は、試験片の所定位置
をスポット溶接するスポット溶接治具と、スポット溶接
の溶接部に正対してトルクレンチの係合突起を位置決め
するセット治具とを備えているので、本発明に係るスポ
ット溶接強度試験具を用いることにより、溶接現場で簡
便且つ迅速に且つ正確にスポット溶接の溶接部の捩り剪
断強度を検出し、スポット溶接の溶接部の強度評価をす
ることができる。In order to solve the above-mentioned problems, according to the present invention, there is provided a gap in which one of a pair of spot-welded test pieces is inserted and positioned, and a gap between the one positioned test piece. A spot welding jig having an electrode insertion hole disposed opposite to a predetermined position, a gap into which the one of the pair of test pieces spot welded is inserted and positioned, and the one test positioned A set jig having a torque wrench engagement hole disposed opposite to the predetermined position of the piece. In the spot welding strength test tool according to the present invention, one of a pair of test pieces to be spot-welded is inserted and positioned in a gap of the spot welding jig, and the other test piece is superimposed on the one test piece, The electrode is inserted into the electrode insertion hole of the spot welding jig to perform spot welding. Next, the one of the pair of spot-welded test pieces is inserted into the gap of the set jig and positioned, and the engagement protrusion of the torque wrench is engaged with the torque wrench engagement hole of the set jig, and the torque is reduced. Apply. Since the spot welding portion and the torque wrench engagement hole face each other, the torsional shear strength of the welding portion of the spot welding is accurately determined. A spot welding strength test tool according to the present invention includes a spot welding jig for spot welding a predetermined position of a test piece, and a set jig for positioning an engagement protrusion of a torque wrench directly against a weld portion of spot welding. Therefore, by using the spot welding strength test device according to the present invention, the torsional shear strength of the weld portion of the spot welding is easily, quickly and accurately detected at the welding site, and the strength evaluation of the weld portion of the spot welding is performed. can do.
【０００５】[0005]
【発明の実施の形態】本発明の実施例に係るスポット溶
接強度試験具を説明する。図１（ａ）に示すように、本
実施例に係るスポット溶接強度試験具は、スポット溶接
治具１を備えている。スポット溶接治具１は、２枚の矩
形の板部材２、３を有している。板部材２、３は、両側
部に配設された２対のスペーサ４を介して所定厚さの隙
間を隔てて平行に対峙して配設され、一体に固着されて
いる。板部材３の一端部に一対の位置決め用突起５が配
設固定されている。板部材２の一端部は板部材３の一端
部から突出している。板部材２の前記一端部に、電極挿
入穴２ａが形成されている。サイコロ状の電極ガイド６
が板部材２の前記一端部に固定されている。電極ガイド
６に電極挿入穴２ａと同軸に配設された電極挿入穴２ａ
と同径の貫通穴６ａが形成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS A spot welding strength test device according to an embodiment of the present invention will be described. As shown in FIG. 1A, the spot welding strength test device according to the present embodiment includes a spot welding jig 1. The spot welding jig 1 has two rectangular plate members 2 and 3. The plate members 2 and 3 are disposed to face each other in parallel with a gap of a predetermined thickness therebetween via two pairs of spacers 4 disposed on both sides, and are integrally fixed. A pair of positioning projections 5 are disposed and fixed to one end of the plate member 3. One end of the plate member 2 protrudes from one end of the plate member 3. An electrode insertion hole 2 a is formed at the one end of the plate member 2. Dice-shaped electrode guide 6
Is fixed to the one end of the plate member 2. Electrode insertion hole 2a arranged coaxially with electrode insertion hole 2a in electrode guide 6.
A through hole 6a having the same diameter as that of the through hole 6a is formed.
【０００６】図１（ｂ）に示すように、本実施例に係る
スポット溶接強度試験具は、セット治具１１を備えてい
る。セット治具１１は、２枚の矩形の板部材１２、１３
を有している。板部材１２、１３は、両側部に配設され
た２対のスペーサ１４を介して所定厚さの隙間を隔てて
平行に対峙して配設され、一体に固着されている。板部
材１３の一端部に一対の位置決め用突起１５が配設固定
されている。板部材１２の一端部は板部材１３の一端部
から突出している。円柱状のトルクレンチガイド１６が
板部材１２の前記一端部に固定されている。トルクレン
チガイド１６にトルクレンチ係合穴１６ａが形成されて
いる。電極挿入穴２ａ、電極ガイド６、トルクレンチガ
イド１６を除いて、スポット溶接治具１とセット治具１
１とは同一形状寸法に形成されている。スポット溶接治
具１の電極挿入穴２ａとセット治具１１のトルクレンチ
係合穴１６ａとは同一位置に配設されている。As shown in FIG. 1B, the spot welding strength test device according to the present embodiment includes a set jig 11. The set jig 11 includes two rectangular plate members 12 and 13.
have. The plate members 12 and 13 are disposed so as to face each other in parallel via a pair of spacers 14 disposed on both sides with a gap having a predetermined thickness, and are integrally fixed. A pair of positioning projections 15 are disposed and fixed to one end of the plate member 13. One end of the plate member 12 protrudes from one end of the plate member 13. A cylindrical torque wrench guide 16 is fixed to the one end of the plate member 12. A torque wrench guide hole 16a is formed in the torque wrench guide 16. Except for the electrode insertion hole 2a, the electrode guide 6, and the torque wrench guide 16, the spot welding jig 1 and the set jig 1
1 is formed in the same shape and size. The electrode insertion hole 2a of the spot welding jig 1 and the torque wrench engagement hole 16a of the set jig 11 are arranged at the same position.
【０００７】本実施例に係るスポット溶接強度試験具の
作動を説明する。本発明に係るスポット溶接強度試験具
を用いてスポット溶接強度試験を行う場合、図１（ａ）
に示すように、先ず、スポット溶接される一対の試験片
２０、３０の一方である試験片３０を、スポット溶接治
具１の板部材２と板部材３との間の隙間に挿入する。図
１（ａ）、（ｃ）に示すように、板部材３０の３つの端
縁がスペーサ４、位置決め用突起５に当接して、板部材
３０が前記隙間内で位置決めされる。図１（ａ）に示す
ように、他方の試験片２０を前記一方の試験片３０の一
端部に重畳させ、スポット溶接治具１の電極ガイド６の
貫通穴６ａと電極挿入穴２ａとヘ図示しないスポット溶
接機の電極を挿入してスポット溶接を行う。The operation of the spot welding strength test device according to this embodiment will be described. When a spot welding strength test is performed using the spot welding strength test tool according to the present invention, FIG.
As shown in (1), first, a test piece 30 which is one of a pair of test pieces 20 and 30 to be spot-welded is inserted into a gap between the plate member 2 and the plate member 3 of the spot welding jig 1. As shown in FIGS. 1A and 1C, the three edges of the plate member 30 abut on the spacer 4 and the positioning projection 5, and the plate member 30 is positioned in the gap. As shown in FIG. 1A, the other test piece 20 is superimposed on one end of the one test piece 30, and the through hole 6a and the electrode insertion hole 2a of the electrode guide 6 of the spot welding jig 1 are shown in FIG. Do the spot welding by inserting the electrode of the spot welding machine.
【０００８】スポット溶接され一体化された試験片２
０、３０をスポット溶接治具１から抜き出し、試験片３
０をセット治具１１の板部材１２と板部材１３との間の
隙間へ挿入する。図１（ｂ）、（ｃ）に示すように、板
部材３０の３つの端縁がスペーサ１４、位置決め用突起
１５に当接して、板部材３０が前記隙間内で位置決めさ
れる。スポット溶接治具１の電極挿入穴２ａとセット治
具１１のトルクレンチ係合穴１６ａとは同一位置に配設
されているので、スポット溶接部がトルクレンチ係合穴
１６ａと正対する。図１（ｂ）に示すように、板部材２
０の板部材３０から離隔した一端を適当な治具でクラン
プし、或いは手で持ち、トルクレンチ４０の係合突起４
０ａをセット治具１１のトルクレンチ係合穴１６ａに係
合させ、トルクを印加する。スポット溶接部とトルクレ
ンチ係合穴１６ａとは正対しているので、スポット溶接
の溶接部の捩り剪断強度が正確に判明する。Test piece 2 integrated by spot welding
0, 30 were extracted from the spot welding jig 1 and the test piece 3
0 is inserted into the gap between the plate member 12 and the plate member 13 of the set jig 11. As shown in FIGS. 1B and 1C, the three edges of the plate member 30 abut on the spacers 14 and the positioning projections 15, and the plate member 30 is positioned in the gap. Since the electrode insertion hole 2a of the spot welding jig 1 and the torque wrench engagement hole 16a of the set jig 11 are arranged at the same position, the spot welded portion faces the torque wrench engagement hole 16a. As shown in FIG. 1B, the plate member 2
Of the torque wrench 40 is clamped with an appropriate jig or held by hand.
0a is engaged with the torque wrench engagement hole 16a of the set jig 11, and torque is applied. Since the spot welding portion and the torque wrench engagement hole 16a face each other, the torsional shear strength of the welding portion of the spot welding is accurately determined.
【０００９】本実施例に係るスポット溶接強度試験具
は、試験片３０の所定位置をスポット溶接するスポット
溶接治具１と、スポット溶接の溶接部に正対してトルク
レンチ４０の係合突起４０ａを位置決めするセット治具
１１とを備えているので、本実施例に係るスポット溶接
強度試験具を用いることにより、溶接現場で簡便且つ迅
速に且つ正確にスポット溶接の溶接部の捩り剪断強度を
検出し、スポット溶接の溶接部の強度評価をすることが
できる。上記実施例では、捩り剪断強度によりスポット
溶接の溶接部の強度を評価したが、スポット溶接部の引
っ張り剪断強度と捩り剪断強度の相関線を予め試験によ
り求めておき、現場では本実施例に係るスポット溶接強
度試験具を用いて捩り剪断強度を求め、前記相関線から
引っ張り剪断強度を求めて、スポット溶接の溶接部の強
度評価を行うようにしても良い。In the spot welding strength test tool according to the present embodiment, a spot welding jig 1 for spot welding a predetermined position of a test piece 30 and an engaging projection 40a of a torque wrench 40 are directly opposed to a spot welding spot. Since the positioning jig 11 is provided, the torsional shear strength of the weld portion of the spot welding is easily, quickly and accurately detected at the welding site by using the spot welding strength test tool according to the present embodiment. It is possible to evaluate the strength of a spot weld. In the above embodiment, the strength of the welded portion of spot welding was evaluated by the torsional shear strength. The torsional shear strength may be obtained using a spot welding strength tester, and the tensile shear strength may be obtained from the correlation line to evaluate the strength of the welded portion in spot welding.
【００１０】[0010]
【発明の効果】以上説明したごとく、本発明に係るスポ
ット溶接強度試験具は、試験片の所定位置をスポット溶
接するスポット溶接治具と、スポット溶接の溶接部に正
対してトルクレンチの係合突起を位置決めするセット治
具とを備えているので、本発明に係るスポット溶接強度
試験具を用いることにより、溶接現場で簡便且つ迅速に
且つ正確にスポット溶接の溶接部の捩り剪断強度を検出
し、スポット溶接の溶接部の強度評価をすることができ
る。As described above, the spot welding strength test tool according to the present invention is provided with a spot welding jig for spot welding a predetermined position of a test piece, and a torque wrench engaged with a spot welding spot. Since it is provided with a set jig for positioning the projection, by using the spot welding strength test tool according to the present invention, it is possible to easily, quickly and accurately detect the torsional shear strength of the weld portion of spot welding at the welding site. It is possible to evaluate the strength of a spot weld.
【図１】本発明の実施例に係るスポット溶接強度試験具
の構成部品の斜視図である。（ａ）はスポット溶接治具
の斜視図であり、（ｂ）はセット治具の斜視図であり、
（ｃ）は（ａ）、（ｂ）のｃ−ｃ矢視図である。FIG. 1 is a perspective view of components of a spot welding strength test device according to an embodiment of the present invention. (A) is a perspective view of a spot welding jig, (b) is a perspective view of a set jig,
(C) is a view taken along the line cc in (a) and (b).
１ スポット溶接治具 ２、３、１２、１３ 板部材 ２ａ 電極挿入穴 ４、１４ スペーサ ５、１５位置決め用突起 ６ 電極ガイド ６ａ 貫通穴 １１ セット治具 １６ トルクレンチガイド １６ａ トルクレンチ係合穴 ２０、３０ 試験片 DESCRIPTION OF SYMBOLS 1 Spot welding jig 2, 3, 12, 13 Plate member 2a Electrode insertion hole 4, 14 Spacer 5, 15 Positioning projection 6 Electrode guide 6a Through hole 11 Set jig 16 Torque wrench guide 16a Torque wrench engagement hole 20, 30 test pieces
Claims (1)
が挿入され位置決めされる隙間と、位置決めされた前記
一方の試験片の所定位置に対峙して配設された電極挿入
穴とを有するスポット溶接治具と、スポット溶接された
前記一対の試験片の前記一方が挿入され位置決めされる
隙間と、位置決めされた前記一方の試験片の前記所定位
置に対峙して配設されたトルクレンチ係合穴とを有する
セット治具とを備えることを特徴とするスポット溶接強
度試験具。1. A spot having a gap into which one of a pair of test pieces to be spot-welded is inserted and positioned, and an electrode insertion hole disposed to face a predetermined position of the positioned one of the test pieces. A welding jig, a gap in which the one of the pair of spot-welded test pieces is inserted and positioned, and a torque wrench engagement disposed to face the predetermined position of the positioned one test piece. And a set jig having a hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10195204A JP2000028503A (en) | 1998-07-10 | 1998-07-10 | Spot welding strength testing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10195204A JP2000028503A (en) | 1998-07-10 | 1998-07-10 | Spot welding strength testing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000028503A true JP2000028503A (en) | 2000-01-28 |
Family
ID=16337197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10195204A Pending JP2000028503A (en) | 1998-07-10 | 1998-07-10 | Spot welding strength testing tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000028503A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146778A (en) * | 2000-11-09 | 2002-05-22 | Nippon Steel Corp | Full-scale type inspection method for steel-pipe pile welding section |
| DE102009036691A1 (en) * | 2009-08-07 | 2011-02-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for non-destructive testing of e.g. welding screws, has changeable checking nut connected with hand-held wrenching tool by plug-in- or snap-fit connection and sectionally fixing work piece |
| JP2011047738A (en) * | 2009-08-26 | 2011-03-10 | Daihatsu Motor Co Ltd | Chisel for welding inspection |
| CN102323151A (en) * | 2011-08-15 | 2012-01-18 | 力帆实业(集团)股份有限公司 | Tooling for detecting welding strength of stud welding |
| DE102012011637B3 (en) * | 2012-06-12 | 2013-08-22 | INPRO Innovationsgesellschaft für fortgeschrittene Produktionssysteme in der Fahrzeugindustrie mbH | Method for non-destructive testing of weld connection of weld bolts welded on sheet part using drawn arc, involves signalizing weld connection on output side of computer when measured torque and angle lies within and/or outside thresholds |
| CN107664597A (en) * | 2017-09-27 | 2018-02-06 | 中国航空工业标准件制造有限责任公司 | Head is welded with the twisting test fixture of spring leaf bolt |
-
1998
- 1998-07-10 JP JP10195204A patent/JP2000028503A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002146778A (en) * | 2000-11-09 | 2002-05-22 | Nippon Steel Corp | Full-scale type inspection method for steel-pipe pile welding section |
| DE102009036691A1 (en) * | 2009-08-07 | 2011-02-10 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for non-destructive testing of e.g. welding screws, has changeable checking nut connected with hand-held wrenching tool by plug-in- or snap-fit connection and sectionally fixing work piece |
| JP2011047738A (en) * | 2009-08-26 | 2011-03-10 | Daihatsu Motor Co Ltd | Chisel for welding inspection |
| CN102323151A (en) * | 2011-08-15 | 2012-01-18 | 力帆实业(集团)股份有限公司 | Tooling for detecting welding strength of stud welding |
| DE102012011637B3 (en) * | 2012-06-12 | 2013-08-22 | INPRO Innovationsgesellschaft für fortgeschrittene Produktionssysteme in der Fahrzeugindustrie mbH | Method for non-destructive testing of weld connection of weld bolts welded on sheet part using drawn arc, involves signalizing weld connection on output side of computer when measured torque and angle lies within and/or outside thresholds |
| CN107664597A (en) * | 2017-09-27 | 2018-02-06 | 中国航空工业标准件制造有限责任公司 | Head is welded with the twisting test fixture of spring leaf bolt |
| CN107664597B (en) * | 2017-09-27 | 2023-12-01 | 中国航空工业标准件制造有限责任公司 | Spanner-screw test clamp with head welded with spring bolt |
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