JPS63306898A - Manufacture of trimming jig - Google Patents
Manufacture of trimming jigInfo
- Publication number
- JPS63306898A JPS63306898A JP13791687A JP13791687A JPS63306898A JP S63306898 A JPS63306898 A JP S63306898A JP 13791687 A JP13791687 A JP 13791687A JP 13791687 A JP13791687 A JP 13791687A JP S63306898 A JPS63306898 A JP S63306898A
- Authority
- JP
- Japan
- Prior art keywords
- blade
- cutter
- fixing material
- trimming jig
- trimming
- 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
- 238000009966 trimming Methods 0.000 title claims description 20
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000000463 material Substances 0.000 claims description 33
- 238000000034 method Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 239000007769 metal material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000011505 plaster Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 229920001059 synthetic polymer Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005058 metal casting Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 （産業上の利用分野） 。[Detailed description of the invention] (Industrial application field).
本発明は、布、合成高分子、ゴムまたは皮革等軟質材料
からなる被加工物を断裁して、所定の形状に仕上げ加工
するいわゆるトリミング治具の製造方法に係り、特に、
その形状精度の向上対策に関する。The present invention relates to a method for manufacturing a so-called trimming jig for cutting and finishing a workpiece made of a soft material such as cloth, synthetic polymer, rubber, or leather into a predetermined shape.
Regarding measures to improve the shape accuracy.
（従来の技術）
従来より、この種トリミング治具の製造方法として、例
えば特開昭５５−１１７０２号公報に開示される如きも
のが知られている。これは、第９図に示すように、予め
硬化され研磨された帯鋼からなる刃物ａの取付部すを補
強部材Ｃに当てがって、その状態で該刃物ａの取付部す
を補強部材Ｃに溶接ｄにより接合固定したものである。(Prior Art) Conventionally, as a method for manufacturing this type of trimming jig, a method as disclosed in, for example, Japanese Unexamined Patent Application Publication No. 11702/1982 has been known. As shown in Fig. 9, the attachment part of the cutter a made of pre-hardened and polished band steel is applied to the reinforcing member C, and in that state the attachment part of the cutler a is attached to the reinforcing member C. It is joined and fixed to C by welding d.
（発明が解決しようとする問題点）
ところで、被加工物が軟質材料でも嵌合部を有するもの
では、特に相手部品に嵌合するための形状精度が要求さ
れる。しかしながら、上記従来のものでは、補強部材Ｃ
と刃物ａの取付部すとを溶接により固定しているために
、刃物の取付部すや補強部材Ｃに溶接の熱による熱歪み
が生じて、刃先の形状精度を損ねるという欠点がある。(Problems to be Solved by the Invention) By the way, even if the workpiece is made of a soft material and has a fitting portion, shape accuracy is particularly required for fitting into a mating part. However, in the above conventional one, the reinforcing member C
Since the mounting portion of the cutter a and the mounting portion of the cutter a are fixed by welding, thermal distortion occurs in the reinforcing member C of the mounting portion of the cutter due to the heat of welding, which impairs the shape accuracy of the cutting edge.
本発明は斯かる点に鑑みてなされたものであり、その目
的は、刃物を断裁機に取付けるための治具を製造する時
に、熱歪みによる刃物の変形を抑制する手段を講じるこ
とにより、その刃先の形状精度の向上を図ることにある
。The present invention has been made in view of the above, and its purpose is to provide a means for suppressing the deformation of the blade due to thermal distortion when manufacturing a jig for attaching the blade to a cutting machine. The purpose is to improve the shape accuracy of the cutting edge.
（問題点を解決するための手段）
上記目的を達成するため本発明の解決手段は、トリミン
グ治具の製造方法として、取付部およびその先端に刃部
を有する帯鋼からなる刃物を所定の形状に折曲げ成形し
た状態で、該刃物の刃部からその所定高さまでを耐熱性
を有しかつ除去可能な石膏や樹脂等からなる固定材に埋
め込んで固定し、その固定材から突出した刃物の取付部
をアルミニウム系等の金属材料の鋳物中に鋳込んで、刃
物の受け台を形成した後、上記刃物の刃部に固定されて
いる固定材を除去してトリミング治具を得ることを特徴
とするものである。(Means for solving the problem) In order to achieve the above object, the solution of the present invention is a method for manufacturing a trimming jig, in which a cutting tool made of a steel band having a mounting part and a cutting part at its tip is shaped into a predetermined shape. The cutlery is bent and formed, and the part from the blade part to a predetermined height is embedded and fixed in a heat-resistant and removable fixing material such as plaster or resin, and the cutter protrudes from the fixing material. A trimming jig is obtained by casting the attachment part into a casting of a metal material such as aluminum to form a holder for the cutter, and then removing the fixing material fixed to the blade part of the cutter. That is.
（作用）
以上の製造方法により、本発明では、刃物の刃部および
それに連続する取付部の一部が固定材により所定の形状
を保持するように固定され、次に、その固定材から突出
した刃物の取付部が金属材料の鋳物中に鋳込まれて、該
金属材料の鋳物からなる受け台に対し刃物がその取付部
にて一体に取付けられる。そのとき、上記刃物の刃部が
固定材により所定の形状に保持されているので、受け台
鋳造時の熱歪みによる刃部の変形が抑制され、受け台に
よる刃物保持強度の増大と相俟って、刃部の形状精度の
向上を図ることができる。(Function) According to the above manufacturing method, in the present invention, the blade part of the cutter and a part of the attachment part continuous thereto are fixed by the fixing material so as to maintain a predetermined shape, and then the parts protruding from the fixing material are fixed. A mounting portion of the cutter is cast into a casting of a metal material, and the cutter is integrally mounted at the mounting portion to a holder made of the casting of the metal material. At this time, since the blade part of the cutlery is held in a predetermined shape by the fixing material, deformation of the blade part due to thermal distortion during casting of the cradle is suppressed, and this increases the strength of the cradle to hold the knife. Therefore, it is possible to improve the shape accuracy of the blade portion.
（実施例）
以下、本発明の実施例について、第１図ないし第６図に
基づき説明する。(Example) Examples of the present invention will be described below with reference to FIGS. 1 to 6.
第２図ないし第５図は本発明の実施例に係るトリミング
治具の製造方法を示し、まず、第２図に示すように、予
め硬化され研磨された帯鋼からなる刃物１を用意する。2 to 5 show a method for manufacturing a trimming jig according to an embodiment of the present invention. First, as shown in FIG. 2, a cutter 1 made of pre-hardened and polished steel strip is prepared.
この刃物１は取付部１ｂとその先端の刃部１ａとからな
り、上記取付部１ｂの端部（刃部１ａとは反対側の端部
）付近には数個の固定孔ＩＣ・・・が形成されているも
のである。This knife 1 consists of a mounting part 1b and a blade part 1a at the tip thereof, and several fixing holes IC... are provided near the end of the mounting part 1b (the end opposite to the blade part 1a). It is being formed.
そして、この刃物１全体をその先端刃部１ａが図面２上
の刃先ライン２ａで定められる所定の形状に一致するよ
うに折曲げ成形する。Then, the entire blade 1 is bent and formed so that its leading edge portion 1a conforms to a predetermined shape defined by the cutting edge line 2a in FIG. 2.
次に、上記折曲げ状態で、第３図に示すように、刃物１
の刃部１ａ側を下向きにして刃物１全体の高さ寸法より
も深い深さを有する枠（図示せず）内の数個の刃物支持
台３・・・上に載置した後、上記枠内にエポキシ樹脂、
石膏等の非金属系固定材を注入して固定させ、この固化
により固定材４内に刃部１ａを埋め込んで固定する。Next, in the above-mentioned bent state, as shown in FIG.
After placing the blade part 1a side downward on several blade support stands 3 in a frame (not shown) having a depth deeper than the overall height of the blade 1, Epoxy resin inside
A non-metallic fixing material such as gypsum is injected and fixed, and by solidification, the blade portion 1a is embedded in the fixing material 4 and fixed.
そのとき、上記枠内にその途中まで固定材４を注入する
ことにより、刃物１の固定孔ＩＣ・・・を含む取付部１
ｂの一部を残して、途中までを固定材４で固めるように
する。At that time, by injecting the fixing material 4 halfway into the frame, the mounting part 1 including the fixing hole IC of the cutter 1
Leave a part of b and solidify it halfway with the fixing material 4.
そして、第４図に示すように、同じ枠内の残り部分に上
記固定材４の上からアルミニウム系金属の溶融物を流し
込んで冷却固化することにより、固定材４から上方の突
出した刃物１の取付部１ｂを金属材料の鋳物中に鋳込ん
で刃物１の受け台５を形成する。Then, as shown in FIG. 4, by pouring the molten aluminum metal from above the fixing material 4 into the remaining part of the same frame and cooling and solidifying it, the cutter 1 protruding upward from the fixing material 4 is formed. The mounting portion 1b is cast into a metal casting to form a holder 5 for the cutter 1.
その際、刃物１の刃部１ａが固定材４により強固に固定
されているために、アルミニウム系金属の溶融物の熱が
刃物１全体に伝わっても、刃部１ａの熱歪みによる変形
が抑制される。At this time, since the blade part 1a of the knife 1 is firmly fixed by the fixing material 4, even if the heat of the molten aluminum metal is transmitted to the entire knife 1, the deformation of the blade part 1a due to thermal distortion is suppressed. be done.
以上のようにして形成された鋳造体Ａは、第１図に示す
ように、刃物１の刃部１ａおよび取付部１ｂの刃部側の
一部が固定材４で固定されているとともに、上記固定孔
ＩＣ・・・を含む取付部１ｂの残部が上記アルミニウム
系金属で構成された受け台５と一体に形成された構造と
なっている。As shown in FIG. 1, the cast body A formed as described above has the blade part 1a of the cutter 1 and a part of the blade part side of the attachment part 1b fixed with the fixing material 4, and The remainder of the mounting portion 1b including the fixing holes IC... has a structure in which it is integrally formed with the pedestal 5 made of the aluminum metal.
そして、上記受け台５が常温付近まで冷却されたのち、
第５図に示すように、鋳造体Ａを枠から取り出すととも
に、刃物１の刃先部分に固定されている刃物支持台３お
よび固定材４を取外し除去して、第６図に示すように、
刃物１がその刃部１ａを所定の形状に保持しながら、受
け台５に一体に形成されたトリミング治具６を得る。After the pedestal 5 has been cooled to around room temperature,
As shown in FIG. 5, the cast body A is taken out from the frame, and the knife support stand 3 and fixing material 4 fixed to the cutting edge of the knife 1 are removed and removed, as shown in FIG. 6.
A trimming jig 6 is obtained which is integrally formed with a pedestal 5 while the blade 1 holds the blade part 1a in a predetermined shape.
したがって、上記実施例で得られたトリミング治具６は
、受け台５の形成時に刃物１の刃部１ａの熱歪みによる
変形が抑制されるので、その形状精度が有効に維持され
、しかも、刃物ｌと受け台５とが一体に形成されている
ので、刃物１の保持強度も十分高く確保され、よって、
刃物１の刃部１ａの形状精度の向上したものとなる。Therefore, in the trimming jig 6 obtained in the above example, deformation due to thermal distortion of the blade portion 1a of the cutter 1 is suppressed during formation of the pedestal 5, so the shape accuracy is effectively maintained, and the cutter Since the cradle 1 and the pedestal 5 are integrally formed, the holding strength of the cutlery 1 is also ensured to be sufficiently high.
The shape accuracy of the blade portion 1a of the cutter 1 is improved.
特に、上記実施例では、刃物１の固定孔１ｃ・・・の間
がアルミニウム系金属で埋められるので、受け台５の刃
物１保持強度が極めて強くなるという著効を有する。In particular, in the embodiment described above, since the spaces between the fixing holes 1c of the cutter 1 are filled with aluminum-based metal, this has the remarkable effect that the holding strength of the cutter 1 by the pedestal 5 becomes extremely strong.
また、アルミニウム系合金の鋳造により、受け台４を刃
物１と一体に形成できるので、従来の方法のように、刃
物の形状に沿った補強部材を準備する必要がなく、複雑
な形状を有する刃物にも容易に適用することができる。In addition, since the pedestal 4 can be formed integrally with the cutter 1 by casting aluminum alloy, there is no need to prepare a reinforcing member that follows the shape of the cutter as in the conventional method. It can also be easily applied.
そして、以上のようにして形成されたトリミング治具６
の受け台５を断裁機の刃物取付部に取付けて、例えば受
け台５に伝熱器を組付は一定の電流を通じて刃物１を加
熱しながら、布、合成高分子、ゴム等の材料からなる被
加工物を所定の形状にトリミング加工することができる
。そのとき、刃物１の刃部１ａの形状精度が上記のよう
に高精度に保持されているので、被加工物の加工精度が
向上し、嵌合部を加工するような場合にも、所要の嵌合
性を持たせることができるのである。Then, the trimming jig 6 formed as described above
Attach the holder 5 to the blade mounting part of the cutting machine, and assemble a heat transfer device to the holder 5. While heating the blade 1 through a constant electric current, the blade 1 is heated, and the cutter 1 is heated. A workpiece can be trimmed into a predetermined shape. At this time, since the shape accuracy of the blade portion 1a of the cutter 1 is maintained at a high level of precision as described above, the processing accuracy of the workpiece is improved, and even when processing a fitting part, the required accuracy is improved. This makes it possible to provide fitting properties.
なお、本発明に使用される非金属系固定材として、上記
エポキシ樹脂、石膏のほか、各種接着剤、プラスター等
の各種無機系固定材を使用することができる。In addition to the above-mentioned epoxy resin and plaster, various inorganic fixing materials such as various adhesives and plasters can be used as the non-metallic fixing material used in the present invention.
また、本発明に使用される金属材料としては、金属材料
による鋳込を行うときに固定材による固定を軟弱にしな
い程度の低融点のものが望ましく、例えば各種のアルミ
ニウム系金属を固定材の種類との兼合いで選択して用い
ることができる。In addition, the metal material used in the present invention is preferably one with a low melting point that does not weaken the fixing material when casting with the metal material. For example, various aluminum-based metals are used as the fixing material. It can be selected and used in conjunction with
（具体例）
次に、具体例について第７図および第８図に基づき説明
する。(Specific Example) Next, a specific example will be described based on FIGS. 7 and 8.
第７図は自動車のクラッシュパッド７の断面の一部を示
し、８は鉄板で構成されたクラッシュパッド７の基材、
９は合成高分子製の表皮、１０は該表皮９と基材８との
間に封着されたウレタンフオーム製の緩衝材である。そ
して、上記基材８の開口部８ａからはみでた表皮９およ
び緩衝材１０をトリミングするトリミング治具６を上記
実施例の方法によって製作し、その治具６によりトリミ
ング加工を行ったところ、上記刃物１の刃部１ａは高い
形状精度を有しているので、クラッシュパッド７の表皮
９および緩衝材１０をトリミングして、基材８の開口部
８ａの形状に精度よく一致した高精度の開口部１１を形
成することができ、該開口部１１に嵌合するホールカバ
ー、ベゼル等の嵌合物１２の先端爪部１２ａを基材８の
開口部８ａに係合させて、その脱落の防止を図ることが
できた。FIG. 7 shows a part of the cross section of the crash pad 7 of the automobile, and 8 is the base material of the crash pad 7 composed of an iron plate;
Reference numeral 9 denotes a synthetic polymer skin, and 10 a urethane foam cushioning material sealed between the skin 9 and the base material 8. Then, a trimming jig 6 for trimming the outer skin 9 and the cushioning material 10 protruding from the opening 8a of the base material 8 was manufactured by the method of the above embodiment, and when the trimming process was performed using the jig 6, the cutter Since the blade portion 1a of No. 1 has high shape accuracy, the skin 9 and cushioning material 10 of the crash pad 7 are trimmed to form a highly accurate opening that precisely matches the shape of the opening 8a of the base material 8. 11, and the distal end claw part 12a of the fitting object 12, such as a hole cover or bezel, which fits into the opening 11, is engaged with the opening 8a of the base material 8 to prevent it from falling off. I was able to figure it out.
（発明の効果）
以上説明したように、本発明のトリミング治具の製造方
法によれば、刃物の刃部側を非金属系固定材で固定した
状態で、該刃物の取付部を鋳込んで、刃物の受け台を形
成するので、受け台形成時の熱歪みによる刃部の変形を
抑制して刃部の形状精度を向上することができる。(Effects of the Invention) As explained above, according to the method for manufacturing a trimming jig of the present invention, the mounting portion of the cutter is cast while the blade side of the cutter is fixed with a non-metallic fixing material. Since a pedestal for the blade is formed, deformation of the blade portion due to thermal distortion during formation of the pedestal can be suppressed, and shape accuracy of the blade portion can be improved.
第１図ないし第６図は本発明の実施例を示し、第１図は
第４図の１−１線断面図、第２図は刃物の折曲げ工程を
示す斜視図、第３図は刃物の固定材による固定工程を示
す斜視図、第４図は刃物のアルミニウム系合金による鋳
込工程を示す斜視図、第５図は固定材の取外し工程を示
す斜視図、第６図はトリミング治具の完成図である。第
７図はクラッシュパッドのトリミング加工状態を示す説
明図、第８図はトリミング加工による開口部へのホール
カバー取付は状態の説明図である。第９図は従来の方法
によるトリミング治具の構造を示す断面図である。
１・・・刃物、１ａ・・・刃部、１ｂ・・・取付部、４
・・・固定材、５・・・受け台、６・・・トリミング治
具。
特 許 出 願 人 西川化成株式会社 、−代
理 人 弁理士 前 １） 弘第８図
第９図
第６図
第７図1 to 6 show embodiments of the present invention, FIG. 1 is a cross-sectional view taken along the line 1-1 in FIG. 4, FIG. 2 is a perspective view showing the process of bending the blade, and FIG. Fig. 4 is a perspective view showing the process of casting the cutter with an aluminum alloy, Fig. 5 is a perspective view showing the process of removing the fixing material, and Fig. 6 is a trimming jig. This is a completed diagram. FIG. 7 is an explanatory diagram showing a state in which the crash pad is trimmed, and FIG. 8 is an explanatory diagram showing the state in which a hole cover is attached to an opening by trimming. FIG. 9 is a sectional view showing the structure of a trimming jig according to a conventional method. 1...Knife, 1a...Blade part, 1b...Mounting part, 4
...fixing material, 5...cradle, 6...trimming jig. Patent applicant: Nishikawa Kasei Co., Ltd.
Patent Attorney Front 1) HiroFigure 8Figure 9Figure 6Figure 7
Claims (1)
る刃物を所定の形状に折曲げ成形した状態で、該刃物の
刃部からその所定高さまでを耐熱性を有しかつ除去可能
な石膏や樹脂等からなる固定材に埋め込んで固定し、そ
の固定材から突出した刃物の取付部をアルミニウム系等
の金属材料の鋳物中に鋳込んで、刃物の受け台を形成し
た後、上記刃物の刃部に固定されている固定材を除去し
てトリミング治具を得ることを特徴とするトリミング治
具の製造方法。(1) A cutter made of steel band having a mounting part and a blade at its tip is bent into a predetermined shape, and the part from the blade to a predetermined height is heat resistant and removable. The blade is embedded and fixed in a fixing material made of plaster, resin, etc., and the mounting part of the blade that protrudes from the fixing material is cast into a casting of a metal material such as aluminum to form a holder for the blade. A method for producing a trimming jig, the method comprising: obtaining a trimming jig by removing a fixing material fixed to a blade portion of the trimming jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13791687A JPS63306898A (en) | 1987-06-01 | 1987-06-01 | Manufacture of trimming jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13791687A JPS63306898A (en) | 1987-06-01 | 1987-06-01 | Manufacture of trimming jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63306898A true JPS63306898A (en) | 1988-12-14 |
Family
ID=15209681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13791687A Pending JPS63306898A (en) | 1987-06-01 | 1987-06-01 | Manufacture of trimming jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63306898A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4995292A (en) * | 1973-01-17 | 1974-09-10 | ||
| JPS5828500A (en) * | 1981-08-06 | 1983-02-19 | 岡村金物株式会社 | Device for fixing cut-out edge for trimming die |
-
1987
- 1987-06-01 JP JP13791687A patent/JPS63306898A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4995292A (en) * | 1973-01-17 | 1974-09-10 | ||
| JPS5828500A (en) * | 1981-08-06 | 1983-02-19 | 岡村金物株式会社 | Device for fixing cut-out edge for trimming die |
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