JPH11104912A - Guide member for burring machine - Google Patents
Guide member for burring machineInfo
- Publication number
- JPH11104912A JPH11104912A JP9284638A JP28463897A JPH11104912A JP H11104912 A JPH11104912 A JP H11104912A JP 9284638 A JP9284638 A JP 9284638A JP 28463897 A JP28463897 A JP 28463897A JP H11104912 A JPH11104912 A JP H11104912A
- Authority
- JP
- Japan
- Prior art keywords
- bit
- guide member
- guide
- cylinder unit
- cylinder
- 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.)
- Granted
Links
Landscapes
- Milling Processes (AREA)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、バリ取機に取付け
て使用するガイド部材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guide member used by being attached to a deburring machine.
【0002】[0002]
【従来の技術】周知のように、プラスチック板を溶着し
て容器等を製作する場合には、溶着部分の外側出隅部や
内側入隅部にバリが生じるので、このバリを除去する必
要がある。しかし、溶着部分の外側出隅部に生じたバリ
は簡単に除去できるが、内側入隅部に生じたバリは綺麗
に除去することが容易でない。2. Description of the Related Art As is well known, when a container or the like is manufactured by welding a plastic plate, burrs are formed at an outer corner or an inner corner of a welded portion. is there. However, burrs generated at the outer corner of the welded portion can be easily removed, but burrs generated at the inner corner of the weld cannot be easily removed neatly.
【0003】そこで、従来は図6に示すようなモーター
内蔵のバリ取機100を使用し、その先端部に挿着した
角面用のビット101を回転させて、双方のプラスチッ
ク板の溶着部分の内側入隅部に生じたバリを、ビット先
端の刃部101aで綺麗に削り取っていた。Therefore, conventionally, a deburring machine 100 having a built-in motor as shown in FIG. 6 is used, and a bit 101 for a square face inserted into the tip of the deburring machine 100 is rotated to form a welded portion between both plastic plates. The burrs generated at the inner corners were neatly scraped off by the blade portion 101a at the tip of the bit.
【0004】[0004]
【発明が解決しようとする課題】ところが、従来のバリ
取機100は、ビット101先端の刃部101aを双方
のプラスチック板の溶着部分の内側入隅部に位置決めす
る手段がないため、ビットの刃部101aが内側入隅部
から位置ずれしやすく、特に、ビット101が高速回転
している状態では刃部101aの位置がずれやすいの
で、内側入隅部のバリを効率良く綺麗に除去するには相
当の熟練を要するという問題があった。However, in the conventional deburring machine 100, there is no means for positioning the blade 101a at the tip of the bit 101 at the inner corner of the welded portion of both plastic plates. The portion 101a is easily displaced from the inner corner, and especially the position of the blade portion 101a is easily shifted when the bit 101 is rotating at high speed. There was a problem that considerable skill was required.
【0005】本発明は斯かる問題に鑑みてなされたもの
であり、その目的とするところは、ビット先端の刃部を
溶着部分の内側入隅部に位置決めして、素人でもバリを
効率良く且つ綺麗に除去することができるバリ取機のガ
イド部材を提供することにある。The present invention has been made in view of such a problem, and an object of the present invention is to position a blade at the tip of a bit at an inner corner of a welded portion so that even an amateur can efficiently remove burrs. An object of the present invention is to provide a guide member of a deburring machine that can be removed neatly.
【0006】[0006]
【課題を解決するための手段】前記目的を達成するた
め、本発明の請求項1に係るバリ取機のガイド部材は、
ビットを挿着したバリ取機の先端部へ外嵌着される基筒
体に、ビットの刃部を露出させる開口を頂部に形成した
截頭円錐形又は截頭角錐形のガイド用筒体を設けて成る
ことを特徴とするものである。In order to achieve the above object, a guide member of a deburring machine according to claim 1 of the present invention comprises:
A truncated cone-shaped or truncated pyramid-shaped guide cylinder having an opening at the top for exposing the bit blade portion is formed on a base cylinder body externally fitted to the tip of the deburring machine having the bit inserted therein. It is characterized by being provided.
【0007】そして、請求項2に係るガイド部材は 上
記請求項1のガイド部材において、そのガイド用筒体
が、90°の頂角を有する円錐又は角錐の頂部を截断し
た形状の筒体であることを特徴とし、請求項3に係るガ
イド部材は、上記請求項1又は2のガイド部材におい
て、基筒体に切割り部を形成し、この切割り部に螺着し
た締めネジにより基筒体を縮径して締付自在としたこと
を特徴とするものである。The guide member according to a second aspect of the present invention is the guide member according to the first aspect, wherein the guide cylinder has a shape in which the top of a cone or a pyramid having a 90 ° apex angle is cut off. According to a third aspect of the present invention, in the guide member according to the first or second aspect, a slit portion is formed in the base cylinder body, and the base cylinder body is formed by a tightening screw screwed into the slit portion. Is reduced in diameter so that it can be tightened freely.
【0008】請求項1のガイド部材は、その基筒体をバ
リ取機の先端部に外嵌着して取付けられ、この取付状態
では、ビットの刃部がガイド用筒体の頂部の開口から露
出している。そして、双方のプラスチック板の溶着部分
の内側入隅部に生じたバリを除去するときは、ビットを
回転させ、截頭円錐形又は截頭角錐形のガイド用筒体の
テーパー面又は傾斜面を内側入隅部の双方のプラスチッ
ク板面に接触させる。このように接触させると、ガイド
用筒体の頂部の開口より露出したビットの刃部は、溶着
部分の内側入隅部に位置決めされ、ビットの回転によっ
て簡単に位置ずれしなくなるため、素人でも内側入隅部
のバリをビットの刃部で効率良く綺麗に除去することが
可能となる。The guide member according to the first aspect of the present invention is mounted by externally fitting the base cylinder body to the tip of the deburring machine. In this mounted state, the bit of the bit extends from the opening at the top of the guide cylinder body. It is exposed. Then, when removing burrs generated in the inside corners of the welded portions of both plastic plates, rotate the bit and cut the tapered surface or the inclined surface of the truncated cone or truncated pyramid-shaped guide cylinder. Contact both sides of the plastic plate at the inside corner. With this contact, the bit blade exposed from the opening at the top of the guide cylinder is positioned at the inner corner of the welded portion, and the bit is not easily displaced by the rotation of the bit. The burrs at the corners can be efficiently and neatly removed by the bit blades.
【0009】特に、請求項2のガイド部材のように、ガ
イド用筒体が90°の頂角を有する円錐又は角錐の頂部
を截断した形状の筒体であると、直角な内側入隅部に生
じたバリを除去するのに極めて好都合であり、また、請
求項3のガイド部材のように締めネジにより基筒体を締
付自在としたものは、基筒体をバリ取機の先端部に外嵌
着してから締めネジで基筒体を縮径して締付けることに
より、簡単且つ強固にガイド部材の取付固定を行うこと
ができる。[0009] In particular, when the guide cylinder is a cylinder having a 90-degree apex and a truncated cone, the top of the cone is cut off at the right inner corner. It is extremely convenient to remove the generated burrs, and the guide member according to the third aspect, in which the base cylinder body can be freely tightened by the tightening screw, has the base cylinder body attached to the tip of the deburring machine. The guide member can be easily and firmly mounted and fixed by reducing the diameter of the base cylinder body with the tightening screw after the outer fitting and then tightening.
【0010】[0010]
【発明の実施の形態】以下、図面を参照して本発明の具
体的な実施形態を説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.
【0011】図1は本発明の一実施形態に係るガイド部
材の片側断面正面図、図2は同ガイド部材の平面図、図
3及び図4は同ガイド部材のバリ取機への取付状態を示
す正面図及び平面図、図5は同ガイド部材の使用状態の
説明図である。FIG. 1 is a front view of one side section of a guide member according to an embodiment of the present invention, FIG. 2 is a plan view of the guide member, and FIGS. 3 and 4 show how the guide member is attached to a deburring machine. FIG. 5 is a front view and a plan view, and FIG. 5 is an explanatory diagram of a use state of the guide member.
【0012】図1及び図2に示すように、このガイド部
材1は基筒体2とガイド用筒体3とで構成されている。As shown in FIGS. 1 and 2, the guide member 1 includes a base cylinder 2 and a guide cylinder 3.
【0013】この基筒体2は、図3に示すようにバリ取
機100の先端部へ外嵌着されるもので、図2に示すよ
うに縦方向の切割り部2aを形成した円筒形をしてお
り、この切割り部2aの上半部は、略コ字状の横断面を
有する薄肉連結部2bによって連結されている。The base cylinder 2 is externally fitted to the tip of the deburring machine 100 as shown in FIG. 3, and has a cylindrical shape having a longitudinal cut portion 2a as shown in FIG. The upper half portion of the cut portion 2a is connected by a thin connecting portion 2b having a substantially U-shaped cross section.
【0014】上記切割り部2aの両側には突起部2c,
2dが形成され、片側の突起部2cにはネジ挿通孔2e
が、反対側の突起部2dにはネジ孔2fが形成されてい
る。そして、ネジ挿通孔2eから挿入した締めネジ4を
反対側のネジ孔2fにねじ込むことによって、切割り部
2aに締めネジ4が螺着され、この締めネジ4のつまみ
部4aを手でつまんで回すと、薄肉連結部2bが圧縮さ
れ、基筒体2が縮径して締付けられるようになってい
る。On both sides of the slit 2a, a projection 2c,
2d is formed, and a screw insertion hole 2e is formed in one protrusion 2c.
However, a screw hole 2f is formed in the opposite protrusion 2d. Then, the tightening screw 4 inserted from the screw insertion hole 2e is screwed into the screw hole 2f on the opposite side, whereby the tightening screw 4 is screwed to the notch 2a. When turned, the thin connecting portion 2b is compressed, and the base cylinder 2 is reduced in diameter and tightened.
【0015】一方、前記のガイド用筒体3は、図1に示
すように、頂角θが90°である円錐の頂部を截断した
截頭円錐形の筒体に構成され、その頂部には円形の開口
3aが形成されている。この開口3aは、図3及び図4
に示すようにビットの刃部101aを露出させるための
開口である。On the other hand, as shown in FIG. 1, the guide cylinder 3 is formed as a truncated cone-shaped cylinder obtained by cutting off the top of a cone having an apex angle θ of 90 °. A circular opening 3a is formed. This opening 3a is shown in FIGS.
This is an opening for exposing the blade portion 101a of the bit as shown in FIG.
【0016】図1に示すように、このガイド用筒体3の
下端には接合用の短筒部3bが形成されている。そし
て、この短筒部3bが基筒体2の上端に内嵌合され、止
具5で固定されて、基筒体2とガイド用筒体3が接合一
体化されている。As shown in FIG. 1, a short cylindrical portion 3b for joining is formed at the lower end of the guide cylindrical body 3. Then, the short cylindrical portion 3b is internally fitted to the upper end of the base cylindrical body 2 and fixed with the stopper 5, so that the base cylindrical body 2 and the guide cylindrical body 3 are joined and integrated.
【0017】上記の基筒体2やガイド用筒体3は金属で
作製してもよいが、合成樹脂で成形すると軽量化でき、
量産性も良くなるので望ましい。材料の合成樹脂として
はアクリル樹脂、塩化ビニル樹脂、ポリアミド樹脂、ポ
リアセタール、その他のエンジニアリングプラスチック
が好適に使用されるが、特に、ガイド用筒体3はポリア
セタール等の表面滑性に優れた合成樹脂で成形すること
が望ましい。表面滑性に優れた合成樹脂でガイド用筒体
3を成形すると、後述するようにバリ取り作業時にガイ
ド用筒体3がプラスチック板面を滑らかに移動し、作業
性が更に向上する利点がある。The above-mentioned base cylinder 2 and guide cylinder 3 may be made of metal, but can be made lighter by molding with synthetic resin.
It is desirable because mass productivity is improved. As the synthetic resin of the material, acrylic resin, vinyl chloride resin, polyamide resin, polyacetal, and other engineering plastics are preferably used. In particular, the guide cylinder 3 is a synthetic resin having excellent surface lubricity such as polyacetal. It is desirable to mold. When the guide cylinder 3 is formed of a synthetic resin having excellent surface lubricity, the guide cylinder 3 moves smoothly on the plastic plate surface during the deburring operation as described later, and there is an advantage that the workability is further improved. .
【0018】なお、上記の実施形態では基筒体2とガイ
ド用筒体3を個別に作製して接合一体化しているが、場
合によっては基筒体2とガイド用筒体3を同じ合成樹脂
で一体成形してもよい。In the above embodiment, the base cylinder 2 and the guide cylinder 3 are separately manufactured and joined and integrated. However, in some cases, the base cylinder 2 and the guide cylinder 3 are made of the same synthetic resin. May be integrally molded.
【0019】以上のような構成のガイド部材1は、図3
及び図4に示すように、その基筒体2をバリ取機100
の先端部(角面用のビット101が挿着された先端部)
に外嵌着して締めネジ4を回し、基筒体2を縮径させて
締付けることにより、バリ取機100の先端部に取付固
定される。このように取付けた状態では、角面用ビット
の刃部101aがガイド用筒体3の頂部の開口3aから
露出し、刃部101aとガイド用筒体3のテーパー面と
が段差なく滑らかに連続している。The guide member 1 having the above-described structure is similar to that shown in FIG.
As shown in FIG. 4 and FIG.
(The tip where the corner bit 101 is inserted)
, And the base cylinder 2 is reduced in diameter and tightened by turning the tightening screw 4, whereby the base cylinder 2 is attached and fixed to the tip of the deburring machine 100. In this state, the blade 101a of the corner bit is exposed from the opening 3a at the top of the guide cylinder 3, and the blade 101a and the tapered surface of the guide cylinder 3 are smoothly continuous without any step. doing.
【0020】従って、双方のプラスチック板P,Pを直
角に溶着した溶着部分の内側入隅部において、ガイド用
筒体3のテーパー面を双方のプラスチック板P,Pの板
面に接触させると、ガイド用筒体3の頂部の開口3aよ
り露出したビットの刃部101aが溶着部分の内側入隅
部にきっちりと位置決めされ、ビット101を回転させ
ても簡単に左右に位置ずれすることはなくなるので、素
人でもビット101を回転させながら内側入隅部に沿っ
て真直ぐに移動させ、内側入隅部のバリをビットの刃部
101aで効率良く綺麗に除去することができる。Therefore, when the tapered surface of the guide cylinder 3 is brought into contact with the plate surfaces of the two plastic plates P, P at the inner corner of the welded portion where the two plastic plates P, P are welded at right angles, The bit blade portion 101a exposed from the opening 3a at the top of the guide cylinder 3 is positioned exactly at the inner corner of the welded portion, so that even if the bit 101 is rotated, the bit does not easily shift right and left. In addition, even an amateur can move the bit 101 straight along the inner corner while rotating, and the burr at the inner corner can be efficiently and neatly removed by the bit blade portion 101a.
【0021】その場合、ガイド用筒体3が既述したポリ
アセタールなどの表面滑性に優れた合成樹脂で成形され
ていると、ガイド用筒体3をプラスチック板P,Pに接
触させたまま一層スムーズに移動させることができるの
で、バリ取り作業性が更に向上することになる。In this case, if the guide cylinder 3 is formed of a synthetic resin having excellent surface lubricity such as polyacetal as described above, the guide cylinder 3 is further kept in contact with the plastic plates P, P. Since it can be moved smoothly, deburring workability is further improved.
【0022】この実施形態のガイド部材1は、双方のプ
ラスチック板P,Pを直角に溶着した部分の内側入隅部
のバリ取りに適合するように、ガイド用筒体3を、頂角
θが90°である円錐の頂部を截断した截頭円錐形の筒
体に構成しているが、例えば双方のプラスチック板P,
Pの溶着された角度が135°であれば、それに対応し
て頂角θが135°である円錐の頂部を截断した截頭円
錐形の筒体に構成すればよく、このようにガイド用筒体
3は、溶着された双方のプラスチック板P,Pの角度に
応じた頂角θを有する円錐の頂部を截断した截頭円錐形
の筒体に構成すればよいものである。In the guide member 1 of this embodiment, the guide cylinder 3 and the apex angle θ are adjusted so that the guide cylinder 3 is adapted to deburr the inner corner of the portion where the two plastic plates P are welded at right angles. It is formed as a truncated conical cylinder in which the top of a cone that is 90 ° is cut. For example, both plastic plates P,
If the angle at which P is welded is 135 °, it may be configured as a truncated cone-shaped cylinder in which the top of a cone whose apex angle θ is 135 ° is correspondingly cut off. The body 3 may be formed as a truncated cone-shaped cylindrical body obtained by cutting off the top of a cone having an apex angle θ corresponding to the angle of the two welded plastic plates P, P.
【0023】また、本発明においては、ガイド用筒体3
を必ずしも截頭円錐形の筒体とする必要はなく、截頭角
錐形の筒体に構成してもよいものであり、このようにガ
イド用筒体を截頭角錐形の筒体とした場合でも、その傾
斜面を溶着部分の内側入隅部のプラスチック板面に当接
させることにより、上記の截頭円錐形のガイド用筒体3
の場合と同様の作用効果を奏するので、本発明の目的を
達成し得ることは言うまでもない。In the present invention, the guide cylinder 3
Need not necessarily be a truncated cone-shaped cylinder, and may be configured as a truncated pyramid-shaped cylinder. Thus, when the guide cylinder is a truncated pyramid-shaped cylinder, However, by contacting the inclined surface with the plastic plate surface at the inner corner of the welded portion, the frusto-conical guide cylinder 3 is formed.
It is needless to say that the object of the present invention can be achieved because the same operation and effect as in the case of are achieved.
【0024】なお、ビットを挿着したバリ取機の先端部
へ外嵌着される本発明のガイド部材は、プラスチック板
等の溶着部分の内側入隅部以外の溶着部分の外側出隅部
や、プラスチック平板の突き合わせ等の溶着部分のバリ
取りに用いることを除外するものではない。The guide member of the present invention, which is externally fitted to the tip of the deburring machine having the bit inserted therein, is provided with an outer corner of the welded portion other than the inner corner of the welded portion of the plastic plate or the like. However, this does not preclude the use of burrs for welding parts such as butting plastic plates.
【0025】[0025]
【発明の効果】以上の説明から明らかなように、本発明
のバリ取機のガイド部材は、バリ取機の先端部に挿着さ
れたビットの刃部を、プラスチック板等の溶着部分の内
側入隅部に簡単に位置決めでき、ビットが回転しても位
置ずれしにくいため、内側入隅部に発生したバリを素人
でも効率良く綺麗に除去することができるといった顕著
な効果を奏する。As is apparent from the above description, the guide member of the deburring machine according to the present invention is configured such that the bit of the bit inserted at the tip of the deburring machine is attached to the inside of the welded portion such as a plastic plate. Since the positioning can be easily performed at the corner and the bit is hardly displaced even when the bit rotates, there is a remarkable effect that a burr generated at the inside corner can be efficiently and neatly removed even by an amateur.
【図1】本発明の一実施形態に係るガイド部材の片側断
面正面図である。FIG. 1 is a one-side sectional front view of a guide member according to an embodiment of the present invention.
【図2】同ガイド部材の平面図である。FIG. 2 is a plan view of the guide member.
【図3】同ガイド部材のバリ取機への取付状態を示す正
面図である。FIG. 3 is a front view showing a state where the guide member is attached to a deburring machine.
【図4】同ガイド部材のバリ取機への取付状態を示す平
面図である。FIG. 4 is a plan view showing a state where the guide member is attached to a deburring machine.
【図5】同ガイド部材の使用状態の説明図である。FIG. 5 is an explanatory diagram of a use state of the guide member.
【図6】従来のバリ取機の正面図である。FIG. 6 is a front view of a conventional deburring machine.
1 ガイド部材 2 基筒体 2a 切割り部 3 ガイド用筒体 3a 開口 θ 頂角 4 締めネジ 100 バリ取機 101 ビット 101a 刃部 DESCRIPTION OF SYMBOLS 1 Guide member 2 Base cylinder 2a Cut part 3 Guide cylinder 3a Opening θ Vertical angle 4 Tightening screw 100 Deburring machine 101 Bit 101a Blade part
Claims (3)
着される基筒体に、ビットの刃部を露出させる開口を頂
部に形成した截頭円錐形又は截頭角錐形のガイド用筒体
を設けて成るバリ取機のガイド部材。1. A truncated cone or truncated pyramid having an opening for exposing a blade portion of a bit formed in a base cylinder body externally fitted to a tip portion of a deburring machine having a bit inserted therein. A guide member for a deburring machine provided with a guide cylinder.
錐又は角錐の頂部を截断した形状の筒体である請求項1
に記載のガイド部材。2. A guide cylinder having a shape obtained by cutting off the top of a cone or pyramid having an apex angle of 90 °.
2. The guide member according to 1.
に螺着した締めネジにより基筒体を縮径して締付自在と
した請求項1又は請求項2に記載のガイド部材。3. The base cylinder body according to claim 1, wherein a cut portion is formed in the base cylinder body, and the base cylinder body is reduced in diameter by a tightening screw screwed to the cut portion to be freely tightened. Guide member.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28463897A JP3823238B2 (en) | 1997-09-30 | 1997-09-30 | Deburring machine guide member |
Applications Claiming Priority (1)
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JP28463897A JP3823238B2 (en) | 1997-09-30 | 1997-09-30 | Deburring machine guide member |
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JP3823238B2 JP3823238B2 (en) | 2006-09-20 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114247937A (en) * | 2021-12-15 | 2022-03-29 | 黄志福 | High-end plastics mould burring device for manufacturing |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5689452U (en) * | 1979-12-04 | 1981-07-17 | ||
JPS5766806A (en) * | 1980-10-03 | 1982-04-23 | Maruhisa Denki Kk | Equipment for cutting welded bead on bottom plate of petroleum tank |
JPS61270012A (en) * | 1985-05-24 | 1986-11-29 | Yoshida Kogyo Kk <Ykk> | Removal method of weld burr from synthetic resin made shape material |
JPS62198011U (en) * | 1986-06-06 | 1987-12-16 | ||
JPH0711258A (en) * | 1993-06-08 | 1995-01-13 | Dakota Gasification Co | Processing of source of supply of cresylic acid |
JPH08118223A (en) * | 1994-10-26 | 1996-05-14 | Mitsubishi Nagasaki Mach Co Ltd | Chamfering device |
JPH0911019A (en) * | 1995-06-29 | 1997-01-14 | Honda Motor Co Ltd | Deburring jig |
JPH09117845A (en) * | 1995-10-25 | 1997-05-06 | Okuma Mach Works Ltd | Square hole machining method in numerically controlled machine tool |
-
1997
- 1997-09-30 JP JP28463897A patent/JP3823238B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5689452U (en) * | 1979-12-04 | 1981-07-17 | ||
JPS5766806A (en) * | 1980-10-03 | 1982-04-23 | Maruhisa Denki Kk | Equipment for cutting welded bead on bottom plate of petroleum tank |
JPS61270012A (en) * | 1985-05-24 | 1986-11-29 | Yoshida Kogyo Kk <Ykk> | Removal method of weld burr from synthetic resin made shape material |
JPS62198011U (en) * | 1986-06-06 | 1987-12-16 | ||
JPH0711258A (en) * | 1993-06-08 | 1995-01-13 | Dakota Gasification Co | Processing of source of supply of cresylic acid |
JPH08118223A (en) * | 1994-10-26 | 1996-05-14 | Mitsubishi Nagasaki Mach Co Ltd | Chamfering device |
JPH0911019A (en) * | 1995-06-29 | 1997-01-14 | Honda Motor Co Ltd | Deburring jig |
JPH09117845A (en) * | 1995-10-25 | 1997-05-06 | Okuma Mach Works Ltd | Square hole machining method in numerically controlled machine tool |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114247937A (en) * | 2021-12-15 | 2022-03-29 | 黄志福 | High-end plastics mould burring device for manufacturing |
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JP3823238B2 (en) | 2006-09-20 |
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