JPH0263163B2 - - Google Patents
Info
- Publication number
- JPH0263163B2 JPH0263163B2 JP59106266A JP10626684A JPH0263163B2 JP H0263163 B2 JPH0263163 B2 JP H0263163B2 JP 59106266 A JP59106266 A JP 59106266A JP 10626684 A JP10626684 A JP 10626684A JP H0263163 B2 JPH0263163 B2 JP H0263163B2
- Authority
- JP
- Japan
- Prior art keywords
- gear
- machined part
- light
- sharply
- wear
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/2416—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures of gears
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、自動車のミツシヨン等に使用される
歯車における尖鋭状に加工された加工部の先端の
中心摩れを計測する方法およびその装置に関す
る。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method and an apparatus for measuring the center wear of the tip of a sharply machined part of a gear used in an automobile transmission or the like. .
［従来の技術］
自動車のミツシヨンを構成する歯車において
は、歯車端部に周方向に沿つて尖鋭状に加工さ
れ、歯車同士のかみ合い接触部をなす複数の尖鋭
加工部の先端が尖鋭部の中心から外れ、左右に摩
れて加工されていると歯車同士のかみ合いが円滑
に行われない。[Prior Art] In the gears that constitute the transmission of an automobile, the ends of the gears are machined into a sharp shape along the circumferential direction, and the tips of the plurality of sharp machined parts that form the meshing contact area between the gears are at the center of the sharp part. If the gears come off and are worn from side to side, the gears will not mesh smoothly.
そこで、従来から歯車の尖鋭加工部の先端の中
心摩れを計測するための装置として、三次元測定
器のようなものがあつた。しかし、これは判定速
度が遅いためにライン上での全検査は不可能であ
り、また接触型であるために誤差の大きいもので
あつた。 Therefore, there has been a device such as a three-dimensional measuring device for measuring the center wear of the tip of a sharply machined part of a gear. However, since the determination speed is slow, it is impossible to perform all inspections on the line, and since it is a contact type, there are large errors.
［発明が解決しようとする課題］
本発明は以上の実状に鑑みなされたもので、半
導体レーザを使用することによつて、コンパクト
なセンサとし、又変調をかけやすくし、変調光に
よつて外乱光と信号光の分離を容易にした歯車の
尖鋭加工部の先端中心摩れ計測方法およびその装
置を提供することを目的とする。[Problems to be Solved by the Invention] The present invention has been made in view of the above-mentioned circumstances. By using a semiconductor laser, it is possible to make a compact sensor, make it easy to apply modulation, and reduce disturbance by using modulated light. The object of the present invention is to provide a method and apparatus for measuring wear at the center of the tip of a sharply machined part of a gear, which facilitates separation of light and signal light.
［課題を解決するための手段］
本発明は以下の特徴を有する歯車の尖鋭加工部
の先端中心摩れ計測方法を提供することにより上
記課題を解決する。[Means for Solving the Problems] The present invention solves the above problems by providing a method for measuring wear at the center of a tip of a sharply machined portion of a gear having the following features.
本発明の歯車の尖鋭加工部の先端中心摩れ計測
方法は半導体レーザによるレーザ光をマイクロレ
ンズを通して自動車のミツシヨン等に使用される
歯車の尖鋭加工部に出射させる手段と、この歯車
の尖鋭加工部の左および右傾斜面に当てた反射・
散乱光をそれぞれ左および右ホトダイオードにレ
ンズで集光させる手段と、この集光を電圧に変換
する手段と、この変換信号光をコンパレータを通
してデジタル出力としてセンサ部より出力する手
段と、このセンサ出力を処理部に入力して左右の
時間差を計測する手段とにより歯車の尖鋭加工部
の先端中心摩れの値を測定する。 The method of measuring the wear on the center of the tip of a sharply machined part of a gear according to the present invention includes means for emitting laser light from a semiconductor laser through a microlens to a sharply machined part of a gear used in automobile transmissions, etc.; Reflection on the left and right inclined surfaces of
means for condensing the scattered light onto the left and right photodiodes using lenses, means for converting the condensed light into voltage, means for outputting the converted signal light from the sensor section as a digital output through a comparator, and the sensor output The value of the wear at the center of the tip of the sharpened part of the gear is measured by means of inputting it into the processing section and measuring the time difference between the left and right sides.
又、本発明は以下の特徴を有する歯車の尖鋭加
工部の先端中心摩れ計測装置を提供することによ
り上記課題を解決する。 Further, the present invention solves the above problems by providing an apparatus for measuring wear at the center of the tip of a sharply machined part of a gear, which has the following features.
歯車の尖鋭加工部にあてるレーザ光線を出射さ
せるための光源部と、この出射光を歯車の尖鋭加
工部にあてるためのマイクロレンズと、この歯車
の尖鋭加工部からの反射・散乱光を左・右のホー
トダイオードに集光させるための左・右のレンズ
と、この集光より信号のみを分離するためのハイ
バスフイルターと、この信号光をデジタル出力と
して出力するためのコンパレータ付きセンサ部
と、このセンサ出力を入力するためのカウンタ
と、このカウンタ値を演算するためのコンピユー
タを設けたもの。 A light source section for emitting a laser beam to hit the sharply machined part of the gear, a microlens for directing this emitted light to the sharply machined part of the gear, and a reflected and scattered light from the sharply machined part of the gear. Left and right lenses for condensing light onto the right photo diode, a high-pass filter for separating only the signal from this condensed light, and a sensor section with a comparator for outputting this signal light as a digital output. It is equipped with a counter for inputting this sensor output and a computer for calculating this counter value.
〔作用〕
本発明は、歯車ワークの左右傾斜面に光をあ
て、反射・散乱光を集光させてデジタル出力に変
換し、この信号の左右レベルの時間差を計算して
中心摩れの値を測定するものである。[Operation] The present invention shines light on the left and right inclined surfaces of a gear workpiece, collects reflected and scattered light, converts it into a digital output, calculates the time difference between the left and right levels of this signal, and calculates the center wear value. It is something to be measured.
以下、添付の図面に就いて、本発明の一実施例
を説明する。半導体レーザにより変調を加えられ
たレーザ光は、シングルモードフアイバー１か
ら、マイクロレンズ２を通り、歯車のワーク３に
出射される。４は、Ｌ−Ｄドライバ回路からなる
光源部である。もし、光がワークの左傾斜面３ａ
に当たれば、反射・散乱光の左のホトダイオード
５にレンズ６で集光される。又、光がワークの右
傾斜面３ｂに当たれば、反射・散乱光は右のホト
ダイオード７にレンズ８で集光される。なお、９
はアンプで、１０がセンサヘツドである。
Hereinafter, one embodiment of the present invention will be described with reference to the accompanying drawings. A laser beam modulated by a semiconductor laser is emitted from a single mode fiber 1, passes through a microlens 2, and is emitted to a gear work 3. 4 is a light source section consisting of an LD driver circuit. If the light is on the left inclined surface 3a of the workpiece
When the reflected/scattered light hits the left photodiode 5, it is focused by the lens 6. Further, when the light hits the right inclined surface 3b of the workpiece, the reflected and scattered light is focused on the right photodiode 7 by the lens 8. In addition, 9
is an amplifier, and 10 is a sensor head.
ホトダイオード５，７に集光された光は、ハイ
パスフイルタで外乱光と信号光を分離し、信号光
のみが取り出される。この信号は、コンパレータ
を通し、デジタル出力としてセンサ部より出力さ
れる。なお第２図の場合、Ｇは歯車であり、１６
は左傾斜面の信号、１７は右傾斜面の信号であつ
て、C1が信号１６のパルスであり、C2が信号１
７のパルスを示している。また、第３図の１１は
シールド線、１２はRMS検出回路、１３は表示
回路で、１４がセンサ信号処理部である。 The light focused on the photodiodes 5 and 7 is separated into disturbance light and signal light by a high-pass filter, and only the signal light is extracted. This signal passes through a comparator and is output from the sensor section as a digital output. In the case of Fig. 2, G is a gear and 16
is the signal of the left inclined plane, 17 is the signal of the right inclined plane, C 1 is the pulse of signal 16, and C 2 is the signal of signal 1.
7 pulses are shown. Further, in FIG. 3, 11 is a shield wire, 12 is an RMS detection circuit, 13 is a display circuit, and 14 is a sensor signal processing section.
処理部１５は、センサ出力の信号を入力し、入
力した信号、即ち左傾斜信号１６及び右傾斜信号
１７と、基準クロツク１８との論理積回路
（AND）を取る。ANDの出力をカウンタ１９，
２０に入力し、センサ部デジタル出力の立ち上が
り２１，２２でカウンタをリセツトし、センサ部
デジタル出力の立ち下がり２３，２４でカウンタ
をセツトすると共に、処理部１５のコンピユータ
側から割り込みで、カウンタ値をデータとして入
力する。 The processing unit 15 inputs the sensor output signal and performs an AND circuit (AND) between the input signals, that is, the left tilt signal 16 and the right tilt signal 17, and the reference clock 18. The output of AND is sent to counter 19,
20, the counter is reset at the rising edge 21, 22 of the sensor digital output, and the counter is set at the falling edge 23, 24 of the sensor digital output. Enter as data.
処理部内では、入力されたデータから、左のホ
トダイオードのレベルの時間と、右のホトダイオ
ードのレベルの時間との差を計算し、中心摩れの
値を測定し、その値をCRT２５に出す。中心摩
れの測定は、カウント数と速度常数の積が距離で
あることにより計算し、歯車を回転機構に一定速
度Ｖで回転させることにより、歯車端部に周方向
に沿つて加工された複数の尖鋭加工部の先端中心
摩れを計測する。 In the processing section, the difference between the level time of the left photodiode and the level time of the right photodiode is calculated from the input data, the center wear value is measured, and the value is output to the CRT 25. The measurement of center wear is calculated by calculating the product of the count number and the speed constant as the distance, and by rotating the gear in a rotating mechanism at a constant speed V, there are multiple Measure the center wear of the tip of the sharply machined part.
第３図の処理部１５は、２６が前処理ボード、
２７がCPUボード、２８がROMボード、２９が
RAMボード、３０がCRTコントローラーボード
であり、３１は入出力ボードで、３２が外部機器
である。なお３３はデーターバスを、３４はアド
レスバスを示している。 In the processing unit 15 in FIG. 3, 26 is a preprocessing board;
27 is CPU board, 28 is ROM board, 29 is
A RAM board, 30 is a CRT controller board, 31 is an input/output board, and 32 is an external device. Note that 33 indicates a data bus, and 34 indicates an address bus.
本発明は、半導体レーザを使用している。その
ため非常にコンパクトなセンサが作れると共に、
変調をかけるのも非常に簡単である。
The present invention uses a semiconductor laser. This makes it possible to create very compact sensors, and
Applying modulation is also very easy.
また、変調光であるため、デイテクタでフイル
ターを構成し、外乱光（自然光）と信号光の分離
が非常に容易である。 Furthermore, since the light is modulated, it is very easy to configure a filter with a detector and separate the disturbance light (natural light) and the signal light.
さらに、シングルモードフアイバーを使用して
いるため、レーザ光のビーム径を小さく絞ること
ができ、精度のよい測定系を容易に作ることので
き、しかも非接触のため短時間で高精度の測定が
可能である。 Furthermore, since a single mode fiber is used, the beam diameter of the laser beam can be narrowed down to a small size, making it easy to create a highly accurate measurement system.Furthermore, since it is non-contact, highly accurate measurements can be made in a short time. It is possible.
第１図は本発明の方法の原理図、第２図は本発
明の方法のセンサ出力信号の原理図、第３図は本
発明の方法の構成を示すブロツク図、第４図は本
発明の方法の回路図、第５図は本発明の装置の斜
視図である。
図中：１……シングルモードフアイバー、２…
…マイクロレンズ、３……歯車のワーク、４……
光源部、３ａ……左傾斜面、３ｂ……右傾斜面、
５……左のホトダイオード、６……左のレンズ、
７……右のホトダイオード、８……右のレンズ、
１５……処理部、１６……左傾斜信号、１７……
右傾斜信号、１８……基準クロツク、１９，２０
……カウンタ、２１，２２……センサ部デジタル
出力の立ち上がり、２３，２４……センサ部デジ
タル出力の立ち下がり、C1……左傾斜面の信号
のパルス、C2……右傾斜面の信号のパルス、Ｇ
……歯車。
Fig. 1 is a principle diagram of the method of the present invention, Fig. 2 is a principle diagram of a sensor output signal of the method of the present invention, Fig. 3 is a block diagram showing the configuration of the method of the present invention, and Fig. 4 is a diagram of the principle of the sensor output signal of the method of the present invention. A circuit diagram of the method, FIG. 5 is a perspective view of the apparatus of the invention. In the figure: 1...single mode fiber, 2...
...Micro lens, 3...Gear work, 4...
Light source section, 3a... left inclined surface, 3b... right inclined surface,
5...Left photodiode, 6...Left lens,
7...Right photodiode, 8...Right lens,
15...Processing unit, 16...Left tilt signal, 17...
Right slope signal, 18...Reference clock, 19, 20
... Counter, 21, 22 ... Rising of the sensor digital output, 23, 24 ... Falling of the sensor digital output, C 1 ... Pulse of the signal on the left inclined surface, C 2 ... Pulse of the signal on the right inclined surface ,G
……gear.
Claims (1)
ズを通して自動車のミツシヨン等に使用される歯
車の尖鋭加工部に出射させる手段と、この歯車の
尖鋭加工部の左および右傾斜面に当てた反射・散
乱光をそれぞれ左および右ホトダイオードにレン
ズで集光させる手段と、この集光を電圧に変換す
る手段と、この変換信号光をコンパレータを通し
てデジタル出力としてセンサ部より出力する手段
と、このセンサ出力を処理部に入力して左右の時
間差を計測する手段とにより歯車の尖鋭加工部の
先端中心摩れの値を測定するようにしたことを特
徴とする歯車の尖鋭加工部の先端中心摩れ計測方
法。 ２ レーザ光を、変調光にしたことを特徴とする
特許請求の範囲第１項記載の歯車の尖鋭加工部の
先端中心摩れ計測方法。 ３ 処理部に入力したセンサ出力を、基準クロツ
クと入力信号の論理積回路をとつてカウンタに入
力し、センサ部デジタル出力の立ち上がりでカウ
ンタをリセツトし、一方、センサ部デジタル出力
の立ち下がりでカウンタをセツトすると共に、コ
ンピユータ側から割り込みでカウンタ値をデータ
として入力する手段とによつて歯車の尖鋭加工部
の中心摩れの値を測定するようにしたことを特徴
とする特許請求の範囲第１項記載の歯車の尖鋭加
工部の中心摩れ計測方法。 ４ 歯車の尖鋭加工部にあてるレーザ光線を出射
させるための光源部と、この出射光を歯車の尖鋭
加工部にあてるためのマイクロレンズと、この歯
車の尖鋭加工部からの反射・散乱光を左・右のホ
ートダイオードに集光させるための左・右レンズ
と、この集光より信号光のみを分離するためのハ
イバスフイルターと、この信号光をデジタル出力
として出力するためのコンパレータ付きセンサ部
と、このセンサ出力を入力するためのカウンタ
と、このカウンタ値を演算するためのコンピユー
タを設けたことを特徴とする歯車の尖鋭加工部の
中心摩れ測定装置。 ５ レーザ光線を歯車の尖鋭加工部にあてる際、
シングルモードフアイバーを使用したことを特徴
とする特許請求の範囲第４項記載の歯車の尖鋭加
工部の中心摩れ測定装置。[Scope of Claims] 1. Means for emitting laser light from a semiconductor laser through a microlens to a sharply machined part of a gear used in automobile transmissions, etc., and reflection applied to the left and right inclined surfaces of the sharply machined part of this gear.・Means for focusing the scattered light on the left and right photodiodes with lenses, means for converting this focused light into voltage, means for outputting this converted signal light from the sensor section as a digital output through a comparator, and this sensor output. Measurement of wear at the center of the tip of a sharply machined part of a gear, characterized in that the value of the wear at the center of the tip of the sharply machined part of the gear is measured by means of inputting into a processing section and measuring the time difference between the left and right sides. Method. 2. A method for measuring wear at the center of a tip of a sharply machined portion of a gear according to claim 1, characterized in that the laser beam is modulated light. 3 The sensor output input to the processing section is input to the counter through an AND circuit of the reference clock and the input signal, and the counter is reset at the rising edge of the sensor section digital output, while the counter is reset at the falling edge of the sensor section digital output. The first aspect of the present invention is characterized in that the center wear value of the sharply machined part of the gear is measured by means of setting the counter value and inputting the counter value as data by interruption from the computer side. Method for measuring center wear of a sharply machined part of a gear as described in Section 2. 4 A light source unit for emitting a laser beam to be applied to the sharply machined part of the gear, a microlens for directing this emitted light to the sharply machined part of the gear, and a light source that emits the reflected and scattered light from the sharply machined part of the gear.・Left and right lenses to focus the light onto the right photo diode, a high-pass filter to separate only the signal light from this focused light, and a sensor unit with a comparator to output this signal light as a digital output. A center wear measuring device for a sharply machined part of a gear, characterized in that it is provided with a counter for inputting the sensor output and a computer for calculating the counter value. 5 When applying the laser beam to the sharply machined part of the gear,
5. The apparatus for measuring center wear of a sharply machined part of a gear according to claim 4, characterized in that a single mode fiber is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59106266A JPS60249005A (en) | 1984-05-24 | 1984-05-24 | Method and device for measuring central wear of gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59106266A JPS60249005A (en) | 1984-05-24 | 1984-05-24 | Method and device for measuring central wear of gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60249005A JPS60249005A (en) | 1985-12-09 |
| JPH0263163B2 true JPH0263163B2 (en) | 1990-12-27 |
Family
ID=14429281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59106266A Granted JPS60249005A (en) | 1984-05-24 | 1984-05-24 | Method and device for measuring central wear of gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60249005A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009010465B3 (en) * | 2009-02-13 | 2010-05-27 | Faro Technologies, Inc., Lake Mary | laser scanner |
| CN109059756B (en) * | 2018-06-14 | 2019-12-20 | 太原理工大学 | Scraper conveyor chain wheel abrasion measuring device and method based on focusing morphology recovery |
-
1984
- 1984-05-24 JP JP59106266A patent/JPS60249005A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60249005A (en) | 1985-12-09 |
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