JP2782267B2 - Angle measurement method for oblique hole drilling equipment - Google Patents
Angle measurement method for oblique hole drilling equipmentInfo
- Publication number
- JP2782267B2 JP2782267B2 JP17412190A JP17412190A JP2782267B2 JP 2782267 B2 JP2782267 B2 JP 2782267B2 JP 17412190 A JP17412190 A JP 17412190A JP 17412190 A JP17412190 A JP 17412190A JP 2782267 B2 JP2782267 B2 JP 2782267B2
- Authority
- JP
- Japan
- Prior art keywords
- oblique hole
- hole drilling
- test bar
- ball
- touch sensor
- 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 - Fee Related
Links
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
- Machine Tool Sensing Apparatuses (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、例えば複合NC旋盤の刃物台に取り付けられ
た斜め穴加工装置の、傾斜角度の測定方法に関する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for measuring an inclination angle of an oblique hole machining apparatus attached to a tool rest of a compound NC lathe, for example.
従来の技術 従来、例えば第３図に示すように回転工具が取付可能
な複合NC旋盤の刃物台101に、所定の範囲内で任意に角
度設定可能な斜め穴加工装置102を装着して、予め旋回
目盛等により角度設定したのち、角度測定を行って確認
する場合、主軸チャック103にテストバーの後端を把持
し、先端を心押センサ104で支持し、分度器105又はケー
ジをテストバーに当てて目測により測定していた。2. Description of the Related Art Conventionally, as shown in FIG. 3, for example, a tool post 101 of a compound NC lathe to which a rotary tool can be attached is mounted with an oblique hole machining device 102 capable of setting an angle within a predetermined range. After setting the angle by turning scale etc., when confirming by performing angle measurement, hold the rear end of the test bar on the spindle chuck 103, support the front end with the tailstock sensor 104, and apply the protractor 105 or cage to the test bar. Was measured by eye measurement.
発明が解決しようとする課題 従来の技術で述べた目測で行う測定方法は、計り方や
作業者の熟練度によって誤差が出やすく正確さに欠ける
という問題点を有していた。Problems to be Solved by the Invention The measurement method performed by visual measurement described in the related art has a problem that an error is likely to occur depending on the measuring method and the skill of an operator, and the accuracy is lacking.
本発明は、従来の技術の有するこのような問題点に鑑
みなされたものであり、その目的とするところは、周知
の刃先位置計測装置のタッチセンサを利用して簡単に計
測できる傾斜角度測定方法を提供しようとするものであ
る。The present invention has been made in view of the above-mentioned problems of the related art, and an object of the present invention is to provide a tilt angle measuring method that can easily measure using a touch sensor of a well-known blade position measuring device. It is intended to provide.
課題を解決するための手段 上記目的を達成するために、本発明における斜め穴加
工装置の傾斜角度測定方法は、先端に球を有するテスト
バーを前記斜め穴加工装置の回転工具軸に取付け、前記
斜め穴加工装置又はタッチセンサを移動して前記球が前
記タッチセンサに当接したときの移動軸上の直交する二
方向の第１座標値をそれぞれ読み取り、前記テストバー
の突出量を変えて再度球の二方向の第２座標値をそれぞ
れ読み取って、前記第１座標値及び第２座標値から傾斜
角度を算出するものである。Means for Solving the Problems In order to achieve the above object, a method for measuring an inclination angle of an oblique hole drilling device according to the present invention includes attaching a test bar having a ball at a tip to a rotary tool shaft of the oblique hole drilling device, The oblique hole processing device or the touch sensor is moved to read the first coordinate values in two orthogonal directions on the movement axis when the sphere comes into contact with the touch sensor, and the projection amount of the test bar is changed again to read the first coordinate value. The second coordinate values in two directions of the sphere are read, and the inclination angle is calculated from the first coordinate values and the second coordinate values.
作用 工作機械に斜め穴加工装置を装着して、回転工具軸を
直交する二方向の移動軸に対して斜めに所定量旋回し
て、先端に球を有するテストバーを取付け、例えば斜め
穴加工装置をNC制御で移動して、タッチセンサに球が当
接したときの移動軸上の二方向の第１座標値をそれぞれ
読み取る。次いでテストバーの突出量を変えて再び斜め
穴加工装置のNC制御移動で、球がタッチセンサに当接し
たときの二方向の第２座標値をそれぞれ読み取り、第１
座標値及び第２座標値より演算により回転工具軸の旋回
角度を求める。A diagonal hole drilling device is mounted on a machine tool, a rotary tool axis is turned obliquely by a predetermined amount with respect to a moving axis in two directions orthogonal to each other, and a test bar having a ball at a tip is attached. Is moved under NC control, and the first coordinate values in two directions on the movement axis when the ball comes into contact with the touch sensor are read. Then, by changing the amount of protrusion of the test bar and reading the second coordinate values in two directions when the ball comes into contact with the touch sensor by NC control movement of the oblique hole processing device again,
The turning angle of the rotary tool axis is obtained from the coordinate value and the second coordinate value by calculation.
実施例 実施例について第１図，第２図を参照して説明する。Embodiment An embodiment will be described with reference to FIG. 1 and FIG.
周知の複合NC旋盤の刃物台１の回転工具取付ステーシ
ョンの一つに、斜め穴加工装置２が着脱可能に取付けら
れている。斜め穴加工装置２は、第１図に示すように大
きく分けて刃物台１に取付けられる側の固定体３と、X,
Z平面上において手動旋回可能な旋回頭４により構成さ
れ、旋回頭４はボルト5,6によりクランプ，アンクラン
プされるようになっている。固定体３には刃物台内の図
示しない駆動機構と係合するクラッチ７を有する駆動軸
８が回転可能に軸承され、駆動軸８と平行に軸付傘歯車
９が回転可能に軸承されており，駆動軸８の左側に固着
の歯車11が、軸付傘歯車９の右端に固着の歯車12と噛合
されている。更に固定体３には軸付傘歯車９に対して直
角に中間軸13が回転可能に支持されており、中間軸13に
固着の中間傘歯車14が軸付傘歯車９に噛合されている。An oblique hole drilling device 2 is detachably mounted on one of the rotary tool mounting stations of a tool post 1 of a known composite NC lathe. As shown in FIG. 1, the oblique hole drilling device 2 includes a stationary body 3 on a side which is roughly divided and attached to the tool rest 1, and X,
The swivel head 4 is configured to be manually swivelable on the Z plane, and the swivel head 4 is clamped and unclamped by bolts 5 and 6. A drive shaft 8 having a clutch 7 that engages with a drive mechanism (not shown) in the tool rest is rotatably mounted on the fixed body 3, and a bevel gear 9 with a shaft is rotatably mounted in parallel with the drive shaft 8. A gear 11 fixed to the left side of the drive shaft 8 is meshed with a gear 12 fixed to the right end of the bevel gear 9 with a shaft. Further, an intermediate shaft 13 is rotatably supported on the fixed body 3 at right angles to the shafted bevel gear 9, and an intermediate bevel gear 14 fixed to the intermediate shaft 13 is meshed with the shafted bevel gear 9.
一方旋回頭には回転工具軸15が放射状に複数の軸受16
により回転可能に軸承されており、回転工具軸15の後端
に固着の傘歯車17が前記中間傘歯車14に噛合されてい
る。そして傘歯車14,17は旋回頭の任意の角度設定に関
係なく噛合が保たれて、駆動軸８の回転が回転工具軸15
に伝達されるようになっている。回転工具軸15の先端に
穿設されているテーパ穴15aに、コレットブシュ18が嵌
挿されており、コレットブシュ18の工具取付穴18aは、
ナット19により開閉される。工具取付穴18aには正確な
球面に仕上げられた球21aを先端に有するテストバー21
が着脱可能に取付けられている。On the other hand, a rotating tool shaft 15 is radially
, And a fixed bevel gear 17 is meshed with the intermediate bevel gear 14 at the rear end of the rotary tool shaft 15. The meshing of the bevel gears 14 and 17 is maintained irrespective of an arbitrary angle setting of the turning head, and the rotation of the drive shaft 8 is
It is transmitted to. A collet bush 18 is fitted into a tapered hole 15a drilled at the tip of the rotary tool shaft 15, and a tool mounting hole 18a of the collet bush 18 is
It is opened and closed by a nut 19. A test bar 21 with a sphere 21a with a precise spherical surface at the tip in the tool mounting hole 18a
Are detachably attached.
更にベッド等固定部に周知の刃先位置検出装置のタッ
チセンサ22が、主軸の芯高と同一高さにブラケット23を
介して取付けられている。このタッチセンサ22は±X,±
Ｚの四方向の測定可能なものが使用されており、刃物台
の移動で工具刃先がタッチセンサ22に当接したとき信号
を出力して、このときの移動軸方向の座標値を読み取る
ようになっており、本発明の傾斜角度測定方法は、この
機能をそのまま利用する。Further, a touch sensor 22 of a well-known blade edge position detecting device is attached to a fixed portion such as a bed via a bracket 23 at the same height as the center height of the main shaft. This touch sensor 22 has ± X, ±
What can be measured in four directions of Z is used. When the tool rest moves the tool tip comes into contact with the touch sensor 22, a signal is output, and the coordinate value in the moving axis direction at this time is read. Thus, the tilt angle measuring method of the present invention utilizes this function as it is.
続いて本実施例の作用について説明する。 Next, the operation of the present embodiment will be described.
旋回頭を旋回目盛等により所望の傾斜角度に旋回し
て、テストバー21をコレットブッシュ18にいっぱい押込
んだ状態にして取付け、Ｘ軸方向主軸中心側への刃物台
１の移動で、タッチセンサ22に球21aが当接して、セン
サから信号が出力されたときのＸ軸座標値X1と、Ｚ軸方
向主軸側への刃物台１の移動で球21aがタッチセンサ22
に当接したときの座標値Z1を読み取る。次いでテストバ
ー21を任意量引出した状態に取付け替えを行い、再びＸ
軸座標値X2とＺ軸座標値Z2を読み取る。そして 演算θ＝tan-1（X2−X1/Z2−Z1）により角度θを算出
し、傾斜角度θが所望の角度になっているかを確認す
る。The swivel head is swiveled to a desired inclination angle by a swivel scale or the like, and the test bar 21 is fully pushed into the collet bush 18 so as to be mounted. The tool rest 1 is moved toward the center of the spindle in the X-axis direction. 22 the ball 21a is in contact, X-axis coordinate values X 1, Z-axis spindle sphere 21a by moving the tool rest 1 to the side the touch sensor 22 when the signal is outputted from the sensor
Reading the coordinate value Z 1 when the contact with. Next, the test bar 21 is replaced with an arbitrary amount pulled out, and X
Reading the axial coordinate values X 2 and Z-axis coordinate value Z 2. Then, the angle θ is calculated by the calculation θ = tan −1 (X 2 −X 1 / Z 2 −Z 1 ), and it is confirmed whether the inclination angle θ is a desired angle.
尚球21aはテストバー21に対して同心かつ正確な球面
に仕上げられたものがベターであるが、タッチセンサ22
への当接位置が一定になるように取付替えを行うことに
より、テストバー21の球21aの同心度又は球面の誤差が
測定精度に与える悪影響はなくなる。It should be noted that the ball 21a is preferably a concentric and accurate spherical surface finished with respect to the test bar 21, but the touch sensor 22
By changing the attachment so that the contact position with the test bar 21 is constant, the concentricity of the ball 21a of the test bar 21 or the error of the spherical surface does not adversely affect the measurement accuracy.
発明の効果 本発明は、上述のとおり構成されているので、次に記
載する効果を奏する。Effects of the Invention The present invention is configured as described above, and thus has the following effects.
工作機械に装着された斜め穴加工装置の回転工具軸
を、直交する二方向の移動軸に対して斜めに旋回して、
先端に球を有するテストバーを取付けて、タッチセンサ
により球の移動軸上の二方向の第１座標値をそれぞれ読
取り、次にテストバーの突出量を変えて再度球の二方向
の第２座標値を読み取って、演算により傾斜角度を求め
るようにしたので、刃先位置検出装置等のタッチセンサ
を利用して簡単な球付テストバーだけで任意の傾斜角度
を正確に測定することができる。Turning the rotating tool axis of the oblique hole drilling device mounted on the machine tool obliquely with respect to the two orthogonal movement axes,
A test bar having a sphere at the tip is attached, and first coordinate values in two directions on the movement axis of the sphere are read by the touch sensor, and then the second coordinate in the two directions of the sphere is changed again by changing the amount of protrusion of the test bar. Since the value is read and the inclination angle is obtained by calculation, an arbitrary inclination angle can be accurately measured with a simple test bar with a sphere using a touch sensor such as a blade position detecting device.
第１図は本実施例の複合旋盤の刃物台に装着した斜め穴
加工装置と固定部に設けられた刃先位置検出装置のタッ
チセンサの上視断面図、第２図は演算説明用で突出位置
を変えたテストバー先端の球の位置及び座標値を表す
図、第３図は従来の目測による測定方法を表す図であ
る。 １……刃物台、２……斜め穴加工装置 15……回転工具軸、21……テストバー 21a……球、22……タッチセンサFIG. 1 is a cross-sectional top view of an oblique hole drilling device mounted on a tool rest of a combined lathe of this embodiment and a touch sensor of a blade position detecting device provided on a fixed portion, and FIG. FIG. 3 is a diagram showing a position and a coordinate value of a sphere at the tip of a test bar in which is changed, and FIG. 1 ... tool post, 2 ... oblique hole processing device 15 ... rotary tool axis, 21 ... test bar 21a ... ball, 22 ... touch sensor
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) B23Q 17/22 G01B 5/24──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 6 , DB name) B23Q 17/22 G01B 5/24
Claims (1)
傾斜角度測定方法において、先端に球を有するテストバ
ーを前記斜め穴加工装置の回転工具軸に取付け、前記斜
め穴加工装置又はタッチセンサを移動して前記球が前記
タッチセンサに当接したときの移動軸上の直交する二方
向の第１座標値をそれぞれ読み取り、前記テストバーの
突出量を変えて再度球の二方向の第２座標値をそれぞれ
読み取って、前記第１座標値及び第２座標値から傾斜角
度を算出することを特徴とする斜め穴加工装置の傾斜角
度測定方法。1. A method for measuring an angle of inclination of an oblique hole drilling machine mounted on an NC machine tool, comprising: attaching a test bar having a ball at a tip to a rotating tool shaft of the oblique hole drilling device; The sensor is moved to read the first coordinate values in two orthogonal directions on the movement axis when the ball comes into contact with the touch sensor, and the protrusion amount of the test bar is changed, and the first coordinate value in the two directions of the ball is changed again. A method for measuring an inclination angle of an oblique hole processing apparatus, comprising reading two coordinate values and calculating an inclination angle from the first coordinate value and the second coordinate value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17412190A JP2782267B2 (en) | 1990-06-30 | 1990-06-30 | Angle measurement method for oblique hole drilling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17412190A JP2782267B2 (en) | 1990-06-30 | 1990-06-30 | Angle measurement method for oblique hole drilling equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0463665A JPH0463665A (en) | 1992-02-28 |
| JP2782267B2 true JP2782267B2 (en) | 1998-07-30 |
Family
ID=15973015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17412190A Expired - Fee Related JP2782267B2 (en) | 1990-06-30 | 1990-06-30 | Angle measurement method for oblique hole drilling equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2782267B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015527A (en) * | 2016-01-28 | 2017-08-04 | 和硕联合科技股份有限公司 | Monitoring system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0525306D0 (en) | 2005-12-13 | 2006-01-18 | Renishaw Plc | Method of machine tool calibration |
| JP4510755B2 (en) * | 2005-12-21 | 2010-07-28 | 株式会社牧野フライス製作所 | Tool edge position calculation method and machine tool |
| JP2007256117A (en) * | 2006-03-23 | 2007-10-04 | Fujitsu Ltd | Printed circuit board testing device, printed circuit board testing method, printed circuit board testing program, and printed circuit board manufacturing method |
| JP2008023692A (en) * | 2006-07-25 | 2008-02-07 | Mitsubishi Electric Corp | Numerical value control device |
-
1990
- 1990-06-30 JP JP17412190A patent/JP2782267B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107015527A (en) * | 2016-01-28 | 2017-08-04 | 和硕联合科技股份有限公司 | Monitoring system |
| CN107015527B (en) * | 2016-01-28 | 2020-06-05 | 和硕联合科技股份有限公司 | Monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0463665A (en) | 1992-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |