JPS62159245U - - Google Patents
Info
- Publication number
- JPS62159245U JPS62159245U JP4667486U JP4667486U JPS62159245U JP S62159245 U JPS62159245 U JP S62159245U JP 4667486 U JP4667486 U JP 4667486U JP 4667486 U JP4667486 U JP 4667486U JP S62159245 U JPS62159245 U JP S62159245U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- waveform
- signal
- control device
- 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
- 238000003745 diagnosis Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims 5
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Automatic Control Of Machine Tools (AREA)
Description
第１図は本考案第１実施例の概略構成を示すブ
ロツク図、第２図は第１実施例に使用されている
ＡＣ／ＤＣコンバータ内の回路構成図、第３図は
本考案第２実施例の概略構成を示すブロツク図、
第４図は本考案第３実施例の概略構成を示すブロ
ツク図、第５図は本考案第１実施例における各信
号処理回路の出力を示す信号処理波形図、第６図
は本考案第１実施例におけるコンパレータの作動
を示す作動図、第７図は本考案第２実施例におけ
る各信号回路の出力波形を示す信号処理波形図、
第８図は本考案第２実施例におけるコンパレータ
での作動を示す作動図、第９図は本考案第２実施
例におけるカウンター回路での作動を示す作動図
、第１０図は本考案第３実施例における各信号処
理回路の出力波形を示す信号処理波形図、第１１
図は本考案第３実施例において使用されているコ
ンパレータでの作動を示す作動図である。
１……被加工物、２……工作加工機、３，３ａ
……アコーステイツク・エミツシヨンセンサ、４
，４ａ……帯域可変バンドパスフイルタ、５，５
ａ，５６，５６ａ……ＡＣ／ＤＣコンバータ、５
１，５１ａ，５６１，５６１ａ……加算時間設定
回路、５２……整流回路、５３……しきい値設定
回路、５４……差分回路、５５……加算回路、６
，６ａ……コンパレータ、６１，６１ａ……識別
値設定回路、７……ＯＲ回路、８……工具送り速
度切換回路、９……工作加工機制御盤、１０，１
０ａ……故障の診断回路、１１，１１ａ……警報
発信回路、１２，１２ａ……カウンター回路、１
２１，１２１ａ……時間設定回路。
Figure 1 is a block diagram showing the schematic configuration of the first embodiment of the present invention, Figure 2 is a circuit diagram of the AC/DC converter used in the first embodiment, and Figure 3 is the second embodiment of the present invention. A block diagram showing the schematic configuration of an example,
FIG. 4 is a block diagram showing the schematic configuration of the third embodiment of the present invention, FIG. 5 is a signal processing waveform diagram showing the output of each signal processing circuit in the first embodiment of the present invention, and FIG. An operation diagram showing the operation of the comparator in the embodiment, FIG. 7 is a signal processing waveform diagram showing the output waveform of each signal circuit in the second embodiment of the present invention,
Figure 8 is an operation diagram showing the operation of the comparator in the second embodiment of the present invention, Figure 9 is an operation diagram showing the operation of the counter circuit in the second embodiment of the invention, and Figure 10 is the third embodiment of the invention. Signal processing waveform diagram showing the output waveform of each signal processing circuit in the example, No. 11
The figure is an operation diagram showing the operation of the comparator used in the third embodiment of the present invention. 1...Workpiece, 2...Machine processing tool, 3, 3a
...Acoustic emission sensor, 4
, 4a... Bandwidth variable band pass filter, 5, 5
a, 56, 56a...AC/DC converter, 5
1, 51a, 561, 561a... Addition time setting circuit, 52... Rectifier circuit, 53... Threshold setting circuit, 54... Difference circuit, 55... Addition circuit, 6
, 6a... Comparator, 61, 61a... Discrimination value setting circuit, 7... OR circuit, 8... Tool feed speed switching circuit, 9... Machine processing tool control panel, 10, 1
0a...Fault diagnosis circuit, 11, 11a...Alarm transmission circuit, 12, 12a...Counter circuit, 1
21, 121a...Time setting circuit.
Claims (1)
テイツク・エミツシヨンセンサと、 その複数個のアコーステイツク・エミツシヨン
センサの出力信号を入力され、アコーステイツク
・エミツシヨンセンサに対応した周波数帯域の成
分を通過させる帯域可変形バンドパスフイルタと
、そのバンドパスフイルタからの交流波形を直流
波形に変換するＡＣ／ＤＣコンバータと、そのＡ
Ｃ／ＤＣコンバータからの直流波形を基準信号と
比較するコンパレータとを備え、空切削を識別す
る複数系統の制御信号を出力する検出信号識別手
段と、 その複数系統の制御信号を入力され、いずれか
の系統の制御信号が入力されたとき出力信号を生
ずるオア回路と、 そのオア回路の出力信号により作動する工具送
り速度切換手段と を備えることを特徴とする機械加工制御装置。 (2) 前記基準信号は、信号出力レベルの違いか
ら空切削、実切削の両者を識別するために識別値
設定回路により任意に設定された直流電圧である
ことを特徴とする実用新案登録請求の範囲第(1)
項記載の機械加工制御装置。 (3) 前記基準信号は、帯域可変形バンドパスフ
イルタより導入されるもう１つの交流波形であり
、前記コンパレータの出力が更にカウンター回路
を通して前記オア回路に導入させることを特徴と
する実用新案登録請求の範囲第(1)項記載の機械
加工制御装置。 (4) 前記基準信号は、帯域可変形バンドパスフ
イルタより導入させるもう１つの交流波形をもう
１つのＡＣ／ＤＣコンバータに通して出力された
直流波形であることを特徴とする実用新案登録請
求の範囲第(1)項記載の機械加工制御装置。 (5) 前記ＡＣ／ＤＣコンバータは、整流回路し
きい値を設定可能な差分回路と、加算時間設定可
能な加算回路とを備えることを特徴とする実用新
案登録請求の範囲第(1)項又は第(4)項記載の機械
加工制御装置。 (6) アコーステイツク・エミツシヨンセンサか
らの出力信号が設定時間内に入力されない場合に
前記コンパレータの出力が故障の診断回路に出力
されることを特徴とする実用新案登録請求の範囲
第(1)から第(5)項いずれかに記載の機械加工制御
装置。[Scope of Claim for Utility Model Registration] (1) A plurality of acoustic emission sensors installed on a machine processing tool, and an acoustic emission sensor that receives the output signals of the plurality of acoustic emission sensors. A band-variable bandpass filter that passes components in a frequency band corresponding to the emission sensor, an AC/DC converter that converts an AC waveform from the bandpass filter into a DC waveform, and a
a detection signal identification means that includes a comparator that compares a DC waveform from the C/DC converter with a reference signal and outputs a plurality of control signals for identifying idle cutting; A machining control device comprising: an OR circuit that generates an output signal when a control signal of the system is input; and tool feed speed switching means operated by the output signal of the OR circuit. (2) A utility model registration request characterized in that the reference signal is a DC voltage arbitrarily set by a discrimination value setting circuit in order to distinguish between idle cutting and actual cutting based on the difference in signal output level. Range number (1)
The machining control device described in Section 1. (3) A utility model registration claim characterized in that the reference signal is another AC waveform introduced from a band-variable bandpass filter, and the output of the comparator is further introduced into the OR circuit through a counter circuit. A machining control device according to scope (1). (4) The reference signal is a DC waveform that is output by passing another AC waveform introduced from a band-variable bandpass filter through another AC/DC converter. The machining control device described in scope item (1). (5) The AC/DC converter includes a differential circuit in which a rectifier circuit threshold value can be set and an addition circuit in which an addition time can be set. The machining control device described in paragraph (4). (6) Utility model registration claim No. 1, characterized in that when an output signal from an acoustic emission sensor is not input within a set time, the output of the comparator is output to a fault diagnosis circuit. ) to (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4667486U JPS62159245U (en) | 1986-03-29 | 1986-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4667486U JPS62159245U (en) | 1986-03-29 | 1986-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62159245U true JPS62159245U (en) | 1987-10-09 |
Family
ID=30866554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4667486U Pending JPS62159245U (en) | 1986-03-29 | 1986-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62159245U (en) |
-
1986
- 1986-03-29 JP JP4667486U patent/JPS62159245U/ja active Pending
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