JPS62198021U - - Google Patents
Info
- Publication number
- JPS62198021U JPS62198021U JP8817986U JP8817986U JPS62198021U JP S62198021 U JPS62198021 U JP S62198021U JP 8817986 U JP8817986 U JP 8817986U JP 8817986 U JP8817986 U JP 8817986U JP S62198021 U JPS62198021 U JP S62198021U
- Authority
- JP
- Japan
- Prior art keywords
- wire
- wire electrode
- rotation
- detection device
- discharge machine
- 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
- 238000001514 detection method Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
Description
第１図はこの考案を具体化したワイヤ電極断線
検出装置を備えたワイヤカツト放電加工機の正面
図、第２図は同じく第１の案内プーリの支持部及
びワイヤ電極断線検出装置の円盤とホトセンサを
示す断面図、第３図は円盤とホトセンサを示す側
面図、第４図はワイヤ電極断線検出装置の電気的
構成を示す電気回路図、第５図ａ〜ｄはワイヤ電
極断線検出装置により処理される信号を示すタイ
ムチヤート図、第６図は別例を示すテンシヨンプ
ーリの支持部及びワイヤ電極断線検出装置の円盤
とホトセンサを示す断面図である。
図中、８は金属ワイヤ、１０はテンシヨンプー
リ、１１は第１の案内プーリ、１８は第１の案内
プーリの回転軸、２０は円盤、２１は孔、２２は
ホトセンサ、２５は周期判別回路、３０はテンシ
ヨンプーリの回転軸、Ｗは被加工物である。
Fig. 1 is a front view of a wire cut electric discharge machine equipped with a wire electrode breakage detection device that embodies this idea, and Fig. 2 also shows the supporting part of the first guide pulley, the disk and photo sensor of the wire electrode breakage detection device. 3 is a side view showing the disc and the photo sensor, FIG. 4 is an electric circuit diagram showing the electrical configuration of the wire electrode disconnection detection device, and FIGS. FIG. 6 is a cross-sectional view showing another example of a tension pulley support, a disk of a wire electrode breakage detection device, and a photo sensor. In the figure, 8 is a metal wire, 10 is a tension pulley, 11 is a first guide pulley, 18 is a rotating shaft of the first guide pulley, 20 is a disk, 21 is a hole, 22 is a photo sensor, and 25 is a period determination circuit. , 30 is the rotation axis of the tension pulley, and W is the workpiece.
Claims (1)
Ｗとの間でパルス放電を行ない同被加工物Ｗを切
断加工するワイヤカツト放電加工機において、 前記ワイヤ電極８の供給側に設けられ、同ワイ
ヤ電極８の連続的供給に伴つて回転する回転軸１
８，３０と、 前記回転軸１８，３０の回転を検知する回転検
知手段２０，２２と、 前記回転検知手段２０，２２の検知信号に基づ
いて回転数若しくは回転の有無を検出して前記ワ
イヤ電極８の断線の有無を判別する判別手段２５
と を設けたことを特徴とするワイヤカツト放電加工
機のワイヤ電極断線検出装置。 ２ 前記回転軸は連続的に供給されるワイヤ電極
８に張力を付与するテンシヨンプーリ１０の軸３
０である実用新案登録請求の範囲第１項記載のワ
イヤカツト放電加工機のワイヤ電極断線検出装置
。 ３ 前記回転検知手段は回転軸１８，３０に固着
した円盤２０と同円盤２０に同一円周面上に等角
度間隔に透設した孔２１の通過を検出するホトセ
ンサ２２とからなり、前記判別手段は前記ホトセ
ンサ２２からの前記円盤２０の回転速度に相対し
た周期で出力される検出信号のその周期が予め定
めた周期以上になつた時ワイヤ電極８の断線と判
断する周期判別回路２５である実用新案登録請求
の範囲第１項記載のワイヤカツト放電加工機のワ
イヤ電極断線検出装置。[Claims for Utility Model Registration] 1. In a wire-cut electric discharge machine that performs pulse discharge between a wire electrode 8 and a workpiece W that are continuously supplied to cut the workpiece W, the wire electrode 8 A rotating shaft 1 is provided on the supply side of the wire electrode 8 and rotates as the wire electrode 8 is continuously supplied.
8, 30, rotation detecting means 20, 22 for detecting the rotation of the rotating shafts 18, 30, and detecting the number of rotations or the presence or absence of rotation based on the detection signals of the rotation detecting means 20, 22, and detecting the rotation speed of the wire electrodes. Discrimination means 25 for determining the presence or absence of wire breakage in 8.
A wire electrode disconnection detection device for a wire cut electric discharge machine, characterized in that the wire electrode disconnection detection device is provided with the following. 2 The rotation axis is the axis 3 of a tension pulley 10 that applies tension to the wire electrode 8 that is continuously supplied.
0. A wire electrode disconnection detection device for a wire cut electrical discharge machine according to claim 1. 3. The rotation detection means includes a disk 20 fixed to the rotating shafts 18, 30, and a photo sensor 22 that detects passage through holes 21 formed through the disk 20 at equal angular intervals on the same circumferential surface. is a period determination circuit 25 that determines that the wire electrode 8 is disconnected when the period of the detection signal outputted from the photo sensor 22 at a period relative to the rotational speed of the disk 20 exceeds a predetermined period. A wire electrode breakage detection device for a wire cut electrical discharge machine as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986088179U JPH0518014Y2 (en) | 1986-06-10 | 1986-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986088179U JPH0518014Y2 (en) | 1986-06-10 | 1986-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62198021U true JPS62198021U (en) | 1987-12-16 |
| JPH0518014Y2 JPH0518014Y2 (en) | 1993-05-13 |
Family
ID=30946058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986088179U Expired - Lifetime JPH0518014Y2 (en) | 1986-06-10 | 1986-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0518014Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02106226A (en) * | 1988-10-17 | 1990-04-18 | Seibu Electric & Mach Co Ltd | Method for confirming wire electrode feed |
| JPH02116421A (en) * | 1988-10-27 | 1990-05-01 | Mitsubishi Electric Corp | Wire electric discharge machine |
| JP5005116B1 (en) * | 2011-05-16 | 2012-08-22 | 三菱電機株式会社 | Wire electrical discharge machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53154213U (en) * | 1977-05-04 | 1978-12-04 | ||
| JPS57149124A (en) * | 1981-03-11 | 1982-09-14 | Mitsubishi Electric Corp | Wire electrode feeder of wire cut electric discharge machining device |
-
1986
- 1986-06-10 JP JP1986088179U patent/JPH0518014Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53154213U (en) * | 1977-05-04 | 1978-12-04 | ||
| JPS57149124A (en) * | 1981-03-11 | 1982-09-14 | Mitsubishi Electric Corp | Wire electrode feeder of wire cut electric discharge machining device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02106226A (en) * | 1988-10-17 | 1990-04-18 | Seibu Electric & Mach Co Ltd | Method for confirming wire electrode feed |
| JPH02116421A (en) * | 1988-10-27 | 1990-05-01 | Mitsubishi Electric Corp | Wire electric discharge machine |
| JP5005116B1 (en) * | 2011-05-16 | 2012-08-22 | 三菱電機株式会社 | Wire electrical discharge machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0518014Y2 (en) | 1993-05-13 |
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