JPH04250915A - Cutting method for flat porous aluminum tube - Google Patents
Cutting method for flat porous aluminum tubeInfo
- Publication number
- JPH04250915A JPH04250915A JP41599590A JP41599590A JPH04250915A JP H04250915 A JPH04250915 A JP H04250915A JP 41599590 A JP41599590 A JP 41599590A JP 41599590 A JP41599590 A JP 41599590A JP H04250915 A JPH04250915 A JP H04250915A
- Authority
- JP
- Japan
- Prior art keywords
- cutting
- porous aluminum
- flat porous
- aluminum tube
- cutting line
- 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
- 238000005520 cutting process Methods 0.000 title claims abstract description 63
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 11
- 238000005192 partition Methods 0.000 claims description 11
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 239000010730 cutting oil Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910001234 light alloy Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】この発明は、偏平多孔アルミ管の
切断方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a method for cutting flat porous aluminum tubes.
【０００２】0002
【従来の技術】従来、この種のアルミニウム軽合金材を
切断する場合、一般的には丸型鋸歯状刃物を高速に回転
し切断がなされていた。BACKGROUND OF THE INVENTION Conventionally, when cutting this type of aluminum light alloy material, the cutting was generally done by rotating a circular serrated blade at high speed.
【０００３】0003
【解決しようとする課題】しかしながら、このアルミニ
ウム軽合金材の切断においては、当然切断時に切粉の発
生があり、また、切断時に切断歯に増殖する構成刃先を
防止するために加工油を刃物又は切断物に塗布する必要
が有る。これらの付着した切粉、油の除去は空圧により
吹き飛ばすか又は洗浄により除去しなくてはならない。
また、刃物で切断するため切断代が必要となり材料の無
駄が生じる等の不具合があり、とくに、本発明の切断対
象とする偏平多孔アルミ管１は例えば車両等の圧縮式熱
交換機の放熱部として狭いスペースに配管されるもので
、その断面形状は図１に示すように所定の肉厚（０．５
ｍｍ）を有する上下片２，３とこの上下片２，３の両
端に円弧片４が形成されて偏平管状に形成されるととも
に、この上下片２，３間には所定の間隔で複数本の区画
片５が縦設されて複数個の孔６が長手方向に沿って形成
され、この偏平管の幅Ｈはほぼ１８ｍｍに、厚さＴはほ
ぼ２ｍｍに形成され、孔６の内径部の汚れ、切粉等の付
着は皆無であることが必要条件であることから、上記従
来の切断方法では到底切断し得ないものであった。[Problem to be solved] However, when cutting this aluminum light alloy material, chips are naturally generated during cutting, and in order to prevent built-up edges from multiplying on the cutting teeth during cutting, it is necessary to apply processing oil to the cutter or It is necessary to apply it to the cut object. These adhering chips and oil must be removed by blowing them away using air pressure or by cleaning. In addition, since the cutting is done with a knife, there are problems such as the need for a cutting allowance and the waste of material.In particular, the flat porous aluminum tube 1 to be cut in the present invention is used as a heat dissipation part of a compression heat exchanger in a vehicle, etc. The pipe is installed in a narrow space, and its cross-sectional shape has a predetermined wall thickness (0.5
mm), and arcuate pieces 4 are formed at both ends of the upper and lower pieces 2, 3 to form a flat tube shape, and between the upper and lower pieces 2, 3, a plurality of arcuate pieces are formed at a predetermined interval. The partition pieces 5 are arranged vertically and a plurality of holes 6 are formed along the longitudinal direction, and the width H of this flat tube is approximately 18 mm, and the thickness T is approximately 2 mm. Since it is a necessary condition that there be no adhesion of chips or the like, it has been impossible to cut the material using the conventional cutting method described above.
【０００４】本発明は、上記従来の問題点を解決すべく
なされたもので、切断時に切り粉の発生が無く、かつ切
断油を必要としない偏平多孔アルミ管の切断方法を提供
することを目的とするものである。The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a method for cutting flat porous aluminum pipes that does not generate chips during cutting and does not require cutting oil. That is.
【０００５】[0005]
【課題を解決するための手段】本発明は、上記技術課題
を解決するため、上下片間に多数の区画片により区画し
て孔を形成した偏平多孔アルミ管の切断において、前記
偏平多孔アルミ管をその切断線を中心として左右をクラ
ンプし、前記切断線に沿ってカッターにより前記上下片
を若干の薄肉をのこして略Ｖ字形状の溝部を対向状に押
圧形成するとともに、前記左右のクランプの少なくとも
一方を所定の角度回動することで前記略Ｖ字形状の溝部
の対向位置で前記区画片をほぼ垂直状の破断面に切断す
る構成とした偏平多孔アルミ管の切断方法に存する。[Means for Solving the Problems] In order to solve the above-mentioned technical problems, the present invention provides a method for cutting a flat porous aluminum tube in which holes are formed between upper and lower pieces by a plurality of partition pieces. The left and right sides are clamped around the cutting line, and along the cutting line, a cutter is used to press the upper and lower pieces to form approximately V-shaped grooves in opposing shapes, leaving some thin walls, and the left and right clamps are pressed together. The present invention provides a method for cutting a flat porous aluminum tube, in which at least one of the partition pieces is rotated by a predetermined angle to cut the dividing piece into a substantially vertical fracture surface at a position facing the substantially V-shaped groove.
【０００６】[0006]
【実施例】以下、この発明の一実施例を図面にしたがっ
て説明すると、この偏平多孔アルミ管（以下、偏平管と
いう）１は上述したように、その断面形状は図１に示す
ように所定の肉厚（０．５ ｍｍ）ｔを有する上下片２
，３とこの上下片２，３の両端に円弧片４が形成されて
偏平管状に形成されるとともに、この上下片２，３間に
は所定の間隔で複数本の区画片５が縦設されて複数個の
孔６が長手方向に沿って形成され、この偏平管の幅Ｈは
ほぼ１８ｍｍに、厚さＴはほぼ２ｍｍに形成されている
。[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.As mentioned above, this flat porous aluminum tube (hereinafter referred to as flat tube) 1 has a predetermined cross-sectional shape as shown in FIG. Upper and lower pieces 2 with wall thickness (0.5 mm) t
, 3 and the upper and lower pieces 2 and 3 have arcuate pieces 4 formed at both ends thereof to form a flat tube shape, and a plurality of partition pieces 5 are vertically arranged at predetermined intervals between the upper and lower pieces 2 and 3. A plurality of holes 6 are formed along the longitudinal direction, and the width H of this flat tube is approximately 18 mm, and the thickness T is approximately 2 mm.
【０００７】次に、上記のように形成された偏平管１を
切断する切断装置７について説明すると、この切断装置
７はクランプ機構８と切断機構１９とより構成されてい
る。Next, the cutting device 7 for cutting the flat tube 1 formed as described above will be explained. This cutting device 7 is composed of a clamp mechanism 8 and a cutting mechanism 19.
【０００８】このクランプ機構８は偏平管１を切断する
切断線Ｃを中心とする左右に固定クランプ９と可動クラ
ンプ１０とが配設され、両クランプ９，１０はほぼ同一
に形成されるもので、上下のクランプ部材１１，１２と
からなり、両クランブ部材１１，１２の対向面には偏平
管１を把持可能に把持凹部１３が対象に凹設され、上ク
ランブ部材１１はそれぞれ空圧シリンダ１４に取付けら
れて上下動可能に設けられているとともに、この両クラ
ンプ９，１０はヒンジ機構１５により連結されている。This clamp mechanism 8 has a fixed clamp 9 and a movable clamp 10 arranged on the left and right sides of the cutting line C that cuts the flat tube 1, and both clamps 9 and 10 are formed almost identically. , upper and lower clamp members 11 and 12, and gripping recesses 13 are symmetrically provided on the opposing surfaces of both clamp members 11 and 12 so as to be able to grip the flat tube 1, and the upper clamp member 11 has a pneumatic cylinder 14, respectively. Both clamps 9 and 10 are connected by a hinge mechanism 15.
【０００９】このヒンジ機構１５は下クランプ部材１１
にそれぞれ設けられるもので、図示のように略コ字形状
のリンク部材１６，１７とがその両端部が軸１８を介し
て枢着されてリンク部材１７側は適宜手段により、例え
ば下方（矢印ａ方向）へほぼ４５度角度範囲に回動可能
に設けられるとともに、この軸１８の軸心は偏平管１の
切断線Ｃと整合して設けられている。このように設けら
れたクランプ機構８の切断線Ｃ上には切断機構１９が配
設されている。This hinge mechanism 15 is connected to the lower clamp member 11.
As shown in the figure, substantially U-shaped link members 16 and 17 are pivoted at both ends via a shaft 18, and the link member 17 side is rotated downward (arrow a) by appropriate means. The shaft 18 is provided so as to be rotatable within an angular range of approximately 45 degrees in the direction (direction), and the axial center of the shaft 18 is aligned with the cutting line C of the flat tube 1. A cutting mechanism 19 is disposed on the cutting line C of the clamp mechanism 8 thus provided.
【００１０】この切断機構１９は上下に水平状に所定の
間隔で設けられた支持アーム２１，２２を有する略コ字
形状の可動枠２０をこの両支持アーム２１，２２の先端
側には整合して図示縦割り状に溝部２３がそれぞれ形成
され、同溝部２３には対応して回転軸２４を介して所定
の径を有する円板状のカッター２５が回転可能に設けら
れ、この上下の軸２４間の距離は図示はしないが適宜手
段により調整可能に設けられ、この円板状のカッター２
５の円周は尖鋭な略Ｖ形状の刃が形成されている。また
、軸２４はそれぞれ可変モータ２６に連結されてカッタ
ー２５を所定の回転数で回転するように設けられている
。また、可動枠２０の基部側は空圧シリンダ２７に連結
されて、同シリンダ２７の作動により図示しないガイド
部材に案内されて上下のカッター２５の刃先が切断線Ｃ
に沿って移動するように設けられているとともに、両カ
ッター２５の刃先間の寸法Ｌの中心はクランプ機構８に
は持された偏平管１の断面の中心線Ｐと整合して移動す
るように設けられている。This cutting mechanism 19 has a substantially U-shaped movable frame 20 having support arms 21 and 22 provided vertically and horizontally at a predetermined interval, and is aligned with the distal ends of both support arms 21 and 22. Grooves 23 are formed in a vertically divided shape as shown in the figure, and a disc-shaped cutter 25 having a predetermined diameter is rotatably provided in each groove 23 via a rotating shaft 24, and the upper and lower shafts 24 Although the distance between the disc-shaped cutter 2 is not shown, it is provided so that it can be adjusted by appropriate means.
A sharp approximately V-shaped blade is formed on the circumference of No. 5. Further, each of the shafts 24 is connected to a variable motor 26 to rotate the cutter 25 at a predetermined number of rotations. The base side of the movable frame 20 is connected to a pneumatic cylinder 27, and the operation of the cylinder 27 guides the blade edges of the upper and lower cutters 25 to the cutting line C.
The clamp mechanism 8 is provided so that the center of the dimension L between the cutting edges of both cutters 25 moves along the center line P of the cross section of the flat tube 1 held by the clamp mechanism 8. It is provided.
【００１１】なお、カッター２５の刃先間の寸法Ｌは図
６および図７に示すように切断線Ｃに沿って切断した際
に、上下片２，３の肉厚ｔに対してそれぞれ薄肉δｔだ
け残して略Ｖ字形状の溝部２８を押圧成形する寸法Ｌに
調整される。It should be noted that the dimension L between the cutting edges of the cutter 25 is such that when cutting along the cutting line C as shown in FIGS. It is adjusted to a dimension L that press-forms a substantially V-shaped groove portion 28 by leaving the groove portion 28 intact.
【００１２】次に、上記のように構成された切断装置に
より偏平管１を切断する場合について説明する。Next, the case where the flat tube 1 is cut by the cutting device constructed as described above will be explained.
【００１３】先ず、クランプ機構８の固定クランプ９お
よび可動クランプ１０に偏平管１の切断位置を適宜位置
決め手段により装置７における切断線Ｃに整合してクラ
ンプする。しかる後、切断機構１９の可変モータ２６を
起動してカッター２５，２５を回転するとともに、空圧
シリンダ２７を作動すると、可動枠２０はガイド部材に
案内されて直線的に前進移動され、この前進により上下
のカッター２５，２５の刃先は切断線Ｃに沿って移動し
、同カッター２５，２５が偏平管１に至ると同偏平管１
はカッター２５，２５の回転と上下の支持アーム２１，
２２の押圧力によりその上下片２，３の肉厚ｔに対して
それぞれ薄肉δｔだけ残して略Ｖ字形状の溝部２８を押
圧成形しながら移動する。そしてカッター２５，２５が
通過すると、ヒンジ機構１５の可動クランプ１０側のリ
ンク部材１７が軸１８を中心として図示矢印ａ方向へ所
定の角度回動される。First, the flat tube 1 is clamped by the fixed clamp 9 and the movable clamp 10 of the clamp mechanism 8 so that the cutting position of the flat tube 1 is aligned with the cutting line C in the device 7 by appropriate positioning means. Thereafter, the variable motor 26 of the cutting mechanism 19 is started to rotate the cutters 25, 25, and the pneumatic cylinder 27 is actuated, so that the movable frame 20 is guided by the guide member and moved linearly forward, and this forward movement As a result, the cutting edges of the upper and lower cutters 25, 25 move along the cutting line C, and when the cutters 25, 25 reach the flat tube 1, the flat tube 1
The rotation of the cutters 25, 25 and the upper and lower support arms 21,
With the pressing force of 22, the upper and lower pieces 2 and 3 are moved while being pressed to form a substantially V-shaped groove 28, leaving only a thinner wall δt relative to the wall thickness t. When the cutters 25, 25 pass, the link member 17 of the hinge mechanism 15 on the movable clamp 10 side is rotated by a predetermined angle about the shaft 18 in the direction of arrow a in the figure.
【００１４】このリンク部材１７の回動によりクランプ
９，１０にクランプされた偏平管１は切断線Ｃに沿って
上下に対向状に凹設された略Ｖ字形状の溝部２８の部分
より薄肉δｔと縦方向に設けられた複数の区画片５およ
び左右の円弧片４がほぼ垂直面状に破壊切断される。そ
して、リンク部材１７は再び元の位置に復帰され、空圧
シリンダ１４を短縮作動することで偏平管１を取外すこ
とができ、以下上記操作により順次切断する。The flat tube 1 clamped by the clamps 9 and 10 by the rotation of the link member 17 has a thinner wall δt than the substantially V-shaped groove 28 which is vertically opposed and recessed along the cutting line C. The plurality of partition pieces 5 provided in the vertical direction and the left and right circular arc pieces 4 are broken and cut in a substantially vertical plane. Then, the link member 17 is returned to its original position, and the flat tube 1 can be removed by shortening the pneumatic cylinder 14, and then the flat tube 1 can be sequentially cut by the above operations.
【００１５】上述したように、偏平管１は切断線Ｃに沿
ってその上下片２，３に上下に対向状に略Ｖ字形状の溝
部２８を凹設し、クランプ９，１０した状態で可動クラ
ンプ１０側をヒンジ機構１５により回動することで、こ
の略Ｖ字形状の溝部２８の部分より薄肉δｔと縦方向に
設けられた複数の区画片５および左右の円弧片４がほぼ
垂直面状に破壊切断するものであるから、従来の切断方
法に見られる不具合、即ち切断時の切り粉の発生、切断
時の切削油の使用、切断代の必要性解消され、効率的か
つ経済的に偏平管１を切断することができる。As mentioned above, the flat tube 1 has approximately V-shaped grooves 28 formed in the upper and lower pieces 2 and 3 of the flat tube 1 in a vertically opposed manner along the cutting line C, and is movable with the clamps 9 and 10 in place. By rotating the clamp 10 side by the hinge mechanism 15, the wall δt is thinner than the approximately V-shaped groove portion 28, and the plurality of partition pieces 5 provided in the vertical direction and the left and right circular arc pieces 4 form a substantially vertical plane. Since it is a destructive cutting method, the disadvantages of conventional cutting methods, such as the generation of chips during cutting, the use of cutting oil during cutting, and the need for cutting allowances, are eliminated, and it is possible to efficiently and economically cut flat surfaces. The tube 1 can be cut.
【００１６】[0016]
【発明の効果】以上説明したように、本発明は上下片間
に多数の区画片により区画して孔を形成した偏平多孔ア
ルミ管の切断において、前記偏平多孔アルミ管をその切
断線を中心として左右をクランプし、前記切断線に沿っ
てカッターにより前記上下片を若干の薄肉をのこして略
Ｖ字形状の溝部を対向状に押圧形成するとともに、前記
左右のクランプの少なくとも一方を所定の角度回動する
ことで前記略Ｖ字形状の溝部の対向位置で前記区画片を
ほぼ垂直状に破断面に切断する構成としたことにより、
従来の切断方法に見られる不具合、即ち切断時の切り粉
の発生、切断時の切削油の使用、切断代の必要性を解消
し、効率的かつ経済的に偏平多孔アルミ管を切断するこ
とができる。Effects of the Invention As explained above, the present invention provides a method for cutting a flat porous aluminum tube in which holes are formed by partitioning the upper and lower pieces with a large number of partition pieces. The left and right sides are clamped, and a cutter is used to press the upper and lower pieces along the cutting line to form approximately V-shaped grooves in opposing shapes, leaving some thin walls, and at least one of the left and right clamps is rotated at a predetermined angle. By moving the partition piece, the dividing piece is cut into a nearly vertical fracture surface at a position opposite to the substantially V-shaped groove,
It eliminates the problems seen in conventional cutting methods, such as the generation of chips during cutting, the use of cutting oil during cutting, and the need for a cutting allowance, and makes it possible to cut flat porous aluminum pipes efficiently and economically. can.
【図１】偏平多孔アルミ管の断面図である。FIG. 1 is a cross-sectional view of a flat porous aluminum tube.
【図２】切断装置の側面図である。FIG. 2 is a side view of the cutting device.
【図３】切断装置の正面図である。FIG. 3 is a front view of the cutting device.
【図４】切断装置の平面図である。FIG. 4 is a plan view of the cutting device.
【図５】切断装置の作用を説明する側面図である。FIG. 5 is a side view illustrating the operation of the cutting device.
【図６】切断装置の作用を説明する正面図である。FIG. 6 is a front view illustrating the operation of the cutting device.
【図７】略Ｖ字形状を形成した一部破断面図である。FIG. 7 is a partially cutaway cross-sectional view showing a substantially V-shape.
１ 偏平多孔アルミ管 ２ 上片 ３ 下片 ５ 区画片 ６ 孔 ７ 切断装置 ８ 固定クランプ ９ 可動クランプ １５ ヒンジ機構 １６ リンク部材 １７ リンク部材 ２５ カッター ２８ 略Ｖ字形状の溝部 δｔ 薄肉 1 Flat perforated aluminum tube 2 Top piece 3 Lower piece 5. Partition piece 6 holes 7 Cutting device 8 Fixed clamp 9 Movable clamp 15 Hinge mechanism 16 Link member 17 Link member 25 Cutter 28 Roughly V-shaped groove δt Thin wall
Claims (1)
を形成した偏平多孔アルミ管の切断において、前記偏平
多孔アルミ管をその切断線を中心として左右をクランプ
し、前記切断線に沿ってカッターにより前記上下片を若
干の薄肉をのこして略Ｖ字形状の溝部を対向状に押圧形
成するとともに、前記左右のクランプの少なくとも一方
を所定の角度回動することで前記略Ｖ字形状の溝部の対
向位置で前記区画片をほぼ垂直状の破断面に切断する構
成とした偏平多孔アルミ管の切断方法。1. In cutting a flat porous aluminum tube in which a hole is formed by partitioning the upper and lower pieces with a plurality of partition pieces, the flat porous aluminum tube is clamped on the left and right sides with the cutting line as the center; A cutter is used to press and form approximately V-shaped grooves in opposing shapes by leaving a slight thin wall on the upper and lower pieces, and at least one of the left and right clamps is rotated by a predetermined angle to form approximately V-shaped grooves. A method for cutting a flat porous aluminum pipe, the partition piece being cut into a substantially vertical fracture surface at a position opposite to the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP41599590A JP3219780B2 (en) | 1990-12-27 | 1990-12-27 | Method for cutting object to be cut, and cutting device used for the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP41599590A JP3219780B2 (en) | 1990-12-27 | 1990-12-27 | Method for cutting object to be cut, and cutting device used for the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04250915A true JPH04250915A (en) | 1992-09-07 |
| JP3219780B2 JP3219780B2 (en) | 2001-10-15 |
Family
ID=18524252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP41599590A Expired - Fee Related JP3219780B2 (en) | 1990-12-27 | 1990-12-27 | Method for cutting object to be cut, and cutting device used for the method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3219780B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004001205A (en) * | 2002-03-20 | 2004-01-08 | Erbsloeh Aluminium Gmbh | Method for separating flat irregularly-shaped cross section pipe made of aluminum or aluminum alloy from wax-coated thin wall flat irregular-shaped cross section tube |
| WO2010064591A1 (en) * | 2008-12-01 | 2010-06-10 | 昭和電工株式会社 | Pipe cutting machine and pipe cutting method |
-
1990
- 1990-12-27 JP JP41599590A patent/JP3219780B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004001205A (en) * | 2002-03-20 | 2004-01-08 | Erbsloeh Aluminium Gmbh | Method for separating flat irregularly-shaped cross section pipe made of aluminum or aluminum alloy from wax-coated thin wall flat irregular-shaped cross section tube |
| WO2010064591A1 (en) * | 2008-12-01 | 2010-06-10 | 昭和電工株式会社 | Pipe cutting machine and pipe cutting method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3219780B2 (en) | 2001-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5226343A (en) | Ultrasonic cutting apparatus | |
| US5012579A (en) | Cutting machine for synthetic resin pipes | |
| CA2247215A1 (en) | Process and device for removing oxide skin from metal strips | |
| JP3600645B2 (en) | Separation apparatus and method for separating hollow, thin, flat metal tube | |
| JPH04250915A (en) | Cutting method for flat porous aluminum tube | |
| US3913374A (en) | Apparatus for bevelling wire blanks | |
| US4487350A (en) | Method and apparatus for cutting pattern shaped holes in glass sheets | |
| US4960269A (en) | Multi-jaw vise | |
| US4324515A (en) | Die shear apparatus for trimming wire weld bulges | |
| JPH02198798A (en) | Cutting method for flat pipe | |
| ATE333349T1 (en) | DEVICE ON AN EDGE BANDING MACHINE FOR CUTTING THE EDGE MATERIAL ON CONTINUOUS WORKPIECES | |
| JPS6096119A (en) | Method of removing outside insulating coating of single core or multcofe cable by removing tool and insulating coating removing tool for executing same method | |
| JP3083792B2 (en) | Coating tube stripping device | |
| JPH0356808B2 (en) | ||
| JP3456757B2 (en) | Cut forming tool for coating adhesion test | |
| JP6760145B2 (en) | Wire rod processing equipment | |
| JPH07503671A (en) | Method and device for separating pipes | |
| JP2606017Y2 (en) | Pipe cutting equipment | |
| JPH0618649Y2 (en) | Bending machine | |
| US6904635B2 (en) | Saw-mounted deburring product | |
| JPH03245910A (en) | Cutting device | |
| EP0220138A1 (en) | Pipe cutting machine with two blades on the same plane and perpendicular to one another | |
| JPH04240017A (en) | Cutting tool for flat tube | |
| JPS62193720A (en) | Curved clamping cutter for metallic thin different-shaped material | |
| JP2007015059A (en) | Adapter for connecting fin cutter of tube material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |