JPH0545385B2 - - Google Patents
Info
- Publication number
- JPH0545385B2 JPH0545385B2 JP60099654A JP9965485A JPH0545385B2 JP H0545385 B2 JPH0545385 B2 JP H0545385B2 JP 60099654 A JP60099654 A JP 60099654A JP 9965485 A JP9965485 A JP 9965485A JP H0545385 B2 JPH0545385 B2 JP H0545385B2
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- housing
- dresser
- grindstone
- oil chamber
- 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
- 238000001514 detection method Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 230000000644 propagated effect Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000006061 abrasive grain Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は砥石の整形、目出しなどのために用い
られる回転型のドレツシング装置の刃物の接触検
出装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a contact detection device for a cutter of a rotary dressing device used for shaping, sharpening, etc. of a grindstone.
［従来の技術］
第３図に示すように、従来のドレツシング装置
の刃物の接触検出装置はハウジング４に１対の球
軸受１０の球軸受８により主軸ないし回転軸５が
回転可能に支持され、回転軸５の端部にダイヤモ
ンドなどからなる切刃１３ａを備えたドレツサ１
３が支持される。回転軸５の左端部には段部５ａ
と段部５ｃで区画される大径部５ｂが備えられて
おり、大径部５ｂがハウジング４の左端部に装着
したシール部材２により密封されている。球軸受
１０の一方は段部５ｃに衝合される一方、球軸受
１０と球軸受８との間にインナスリーブ９とアウ
タスリーブ３とからなるスペーサが介装され、か
つ回転軸５の右端部に締付リング６により球軸受
８のインナレースが締付けられ、球軸受８のアウ
タレースはハウジング４に図示してないボルトに
より結合した端板７により締め付けられる。[Prior Art] As shown in FIG. 3, in a conventional dressing device contact detection device, a main shaft or rotating shaft 5 is rotatably supported by a ball bearing 8 of a pair of ball bearings 10 in a housing 4. Dresser 1 equipped with a cutting blade 13a made of diamond or the like at the end of a rotating shaft 5
3 is supported. A stepped portion 5a is provided at the left end of the rotating shaft 5.
The housing 4 is provided with a large diameter portion 5b partitioned by a stepped portion 5c, and the large diameter portion 5b is sealed by a sealing member 2 attached to the left end of the housing 4. One of the ball bearings 10 is abutted against the stepped portion 5c, while a spacer consisting of an inner sleeve 9 and an outer sleeve 3 is interposed between the ball bearings 10 and 8, and the right end of the rotating shaft 5 is interposed between the ball bearings 10 and 8. The inner race of the ball bearing 8 is tightened by the tightening ring 6, and the outer race of the ball bearing 8 is tightened by the end plate 7 connected to the housing 4 by bolts (not shown).
一般に、高精度の研削面を得るために、砥石の
表面を整形する場合は、上述のような回転型ドレ
ツサを使用するのが有利であるが、回転砥石に対
するドレツサの接触（削り代）を可及的少なくし
て所要の研削面を得ることが、砥石の利用効率を
高めるために要求される。しかしながら、従来か
ら公知の単石または多石の回転型ドレツサでは、
砥石とドレツサの接触がドレツサの接触時の発生
音を人間の耳で検知する官能検知に委ねられてお
り、その検出能力の精度が悪く、人的誤差を伴う
ものであつた。このような誤差は砥石の削り量が
多くなり、研削のための砥石利用効率が低下し、
その結果研削コストの増加をもたらす。 Generally, when shaping the surface of a grinding wheel in order to obtain a highly accurate ground surface, it is advantageous to use a rotary dresser as described above, but it is possible to reduce the contact (cutting allowance) of the dresser with the rotating grindstone. Obtaining the required grinding surface with as little effort as possible is required to increase the efficiency of use of the grinding wheel. However, in conventionally known single-stone or multi-stone rotary dressers,
The contact between the grinding wheel and the dresser is left to sensory detection in which the human ear detects the sound generated when the dresser makes contact, and the detection accuracy is poor and is subject to human error. Such errors increase the amount of grinding by the grinding wheel, reducing the efficiency of using the grinding wheel for grinding.
As a result, grinding costs increase.
［発明が解決しようとする問題点］
本発明の目的は上述の問題に鑑み、ドレツサの
切刃が加工物である砥石に僅かに接触しただけで
も、効率的に切刃の接触を検出できる、ドレツシ
ング装置の刃物の接触検出装置を提供することに
ある。[Problems to be Solved by the Invention] In view of the above-mentioned problems, an object of the present invention is to efficiently detect contact of the cutting blade even if the cutting blade of the dresser slightly contacts the grindstone, which is the workpiece. An object of the present invention is to provide a contact detection device for a cutter of a dressing device.
［問題を解決するための手段］
上記目的を達成するために、本発明の構成はド
レツサを結合する回転軸をハウジングに流体軸受
により回転支持し、ハウジングと回転軸との間に
１対のシール部材により密封された油室を区画
し、外部から油室へ圧油を充填し、油室に隣接し
てハウジングの内部にAEセンサを支持したもの
である。[Means for Solving the Problem] In order to achieve the above object, the present invention has a configuration in which a rotating shaft that connects a dresser is rotatably supported in a housing by a fluid bearing, and a pair of seals is provided between the housing and the rotating shaft. A sealed oil chamber is defined by a member, pressure oil is filled into the oil chamber from the outside, and an AE sensor is supported inside the housing adjacent to the oil chamber.
［作用］
ドレツサが砥石との接触により発生する超音波
振動は、ドレツサを結合する回転軸の周囲に配設
された油室を経て、AEセンサ（アコーステイツ
ク・エミツシヨン・センサ以下これを単にAEセ
ンサと呼ぶこととする）により検出されるので、
ドレツサの砥石に対する接触量すなわち僅かな削
り代で、高精度の研削面を得ることができる。[Operation] The ultrasonic vibrations generated when the dresser contacts the grinding wheel pass through an oil chamber located around the rotating shaft that connects the dresser, and are transmitted to an AE sensor (hereinafter simply referred to as an AE sensor). ), so
A highly accurate ground surface can be obtained by the contact amount of the dresser with the grindstone, that is, by a small amount of cutting allowance.
ドレツサを結合する回転軸をハウジングに、流
体軸受により支持したこと、油室の両端部を１対
のシール部材により密封したことにより、ドレツ
サからAEセンサへの超音波振動の伝達経路に外
乱を及ぼす影響度が非常に少ない。 By supporting the rotating shaft that connects the dresser in the housing with a fluid bearing, and by sealing both ends of the oil chamber with a pair of seal members, no disturbance is caused to the transmission path of ultrasonic vibration from the dresser to the AE sensor. The impact is very low.
［発明の実施例］
第１図に示すように、円筒形のハウジング４の
両端部に端板７が図示していないボルトにより結
合され、端板７とハウジング４とで囲まれる油室
に回転軸５が流体軸受により支持される。回転軸
５のハウジング４の油室に臨む部分には、１対の
大径軸部ないしフランジ５ｄが一体に備えられ
る。回転軸５が各端板７を貫通する部分は、シー
ル部材２により密封される。各端板７の内面にフ
ランジ５ｄに対向する例えば軸受金属などからな
る薄い軸受板２３が結合され、ハウジング４の内
周面にフランジ５ｄの周面に対向する軸受金属な
どからなる１対のスリーブ２１が嵌合される。[Embodiment of the Invention] As shown in FIG. 1, an end plate 7 is connected to both ends of a cylindrical housing 4 by bolts (not shown), and an oil chamber surrounded by the end plate 7 and the housing 4 rotates. A shaft 5 is supported by a hydrodynamic bearing. A pair of large-diameter shaft portions or flanges 5d are integrally provided at a portion of the rotating shaft 5 facing the oil chamber of the housing 4. A portion where the rotating shaft 5 passes through each end plate 7 is sealed by a seal member 2. A thin bearing plate 23 made of, for example, a bearing metal is coupled to the inner surface of each end plate 7, and a pair of sleeves made of a bearing metal or the like is connected to the inner peripheral surface of the housing 4, facing the flange 5d. 21 is fitted.
ハウジング４に圧油導入口１６を備えたニツプ
ル１５が結合され、圧油導入口１６はハウジング
４の壁部に備えた軸方向の通路１７に連通する。
通路１７の中間部分は、１対のスリーブ２１の外
周面に備えた環状溝２２に連通される。通路の加
圧流体は環状溝２２に周方向等間隔に配設した多
数のノズルｂからフランジ５ｄの周面へ噴出され
る。通路１７の両端部はシール部材を介して、各
端板７に設けた径方向の通路２４に連通され、通
路２４の終端部はフランジ５ｄの側面に向つて延
びる多数のノズルａに連通される。ノズルａは軸
受板２３に周方向等間隔に配設される。回転軸５
の右端部は図示してない電動機に回転結合される
一方、回転軸５の左端部は段部５ａと衝合するよ
うに、ドレツサ１３を公知の手段により支持され
る。ドレツサ１３は放熱を図る目的で円筒形とさ
れ、外周コーナ部にダイヤモンドなどの切刃１３
ａを結合される。 A nipple 15 having a pressure oil inlet 16 is connected to the housing 4 , and the pressure oil inlet 16 communicates with an axial passage 17 provided in the wall of the housing 4 .
An intermediate portion of the passage 17 communicates with an annular groove 22 provided on the outer peripheral surface of the pair of sleeves 21 . The pressurized fluid in the passage is ejected from a number of nozzles b disposed in the annular groove 22 at equal intervals in the circumferential direction onto the circumferential surface of the flange 5d. Both ends of the passage 17 communicate with a radial passage 24 provided in each end plate 7 via a seal member, and the terminal end of the passage 24 communicates with a number of nozzles a extending toward the side surface of the flange 5d. . The nozzles a are arranged on the bearing plate 23 at equal intervals in the circumferential direction. Rotating shaft 5
The dresser 13 is supported by known means such that the right end of the rotating shaft 5 is rotatably coupled to an electric motor (not shown), while the left end of the rotating shaft 5 abuts against the stepped portion 5a. The dresser 13 has a cylindrical shape for the purpose of heat dissipation, and a cutting edge 13 made of diamond or the like is provided at the outer peripheral corner.
a is combined.
本発明ではドレツサ１３から流体軸受により支
持された回転軸５へ伝播される超音波振動を検知
するために、ハウジング４の壁部に形成した円筒
部に、AEセンサ３０が嵌合支持され、AEセンサ
３０から導線３１が外部へ引き出され、図示して
ない例えばNC制御装置に接続される。 In the present invention, in order to detect ultrasonic vibrations propagated from the dresser 13 to the rotating shaft 5 supported by a fluid bearing, an AE sensor 30 is fitted and supported in a cylindrical part formed on the wall of the housing 4. A conductive wire 31 is led out from the sensor 30 and connected to, for example, an NC control device (not shown).
次に、本発明によりドレツシング装置の刃物の
接触検出装置の作動について説明する。ハウジン
グ４は一般には基台に固定支持され、回転軸５を
回転駆動し、ドレツサ１３の外周コーナ部の切刃
１３ａにより、砥石３５の表面を整形ないし目出
しする。 Next, the operation of the contact detection device for the cutter of the dressing device according to the present invention will be explained. The housing 4 is generally fixedly supported on a base, rotates a rotating shaft 5, and uses cutting blades 13a at the outer peripheral corners of the dresser 13 to shape or roughen the surface of the grindstone 35.
砥石３５を回転可能に支持するテーブルは次の
ように構成される。すなわち、基台に対し昇降可
能に支持した昇降台に、回転軸５と直角方向に移
動可能な水平なテーブルが支持され、テーブルに
回転軸５の軸方向に移動可能の砥石台支持台が支
持される。このようにして、砥石３５の回転軸３
６は３軸方向に平行移動可能である。 The table that rotatably supports the grindstone 35 is constructed as follows. That is, a horizontal table movable in a direction perpendicular to the rotating shaft 5 is supported on a lifting platform that is supported to be able to rise and fall with respect to the base, and a grindstone table support that is movable in the axial direction of the rotating shaft 5 is supported on the table. be done. In this way, the rotating shaft 3 of the grindstone 35
6 is movable in parallel in three axial directions.
例えば円柱形の砥石の周面を目出しする場合
は、回転軸３６が回転軸５と平行に支持され、次
のような手順で加工される。昇降台と一緒に砥石
支持台が矢印ｙ方向へ移動すると、ドレツサ１３
の切刃１３ａが砥石３５の周面に接触する。そこ
で、砥石支持台を矢印ｘ方向へ移動すると、順次
砥石３５の周面が目出しされる。 For example, when sharpening the circumferential surface of a cylindrical grindstone, the rotating shaft 36 is supported parallel to the rotating shaft 5, and processing is carried out in the following procedure. When the grindstone support base moves in the direction of the arrow y together with the lifting table, the dresser 13
The cutting edge 13a contacts the circumferential surface of the grindstone 35. Therefore, when the grindstone support is moved in the direction of the arrow x, the circumferential surface of the grindstone 35 is sequentially marked out.
また、円板形の砥石３５の端面を目出しする場
合は、砥石３５の回転軸３６は回転軸５と平行に
砥石支持台に支持され、砥石支持台を回転軸５と
直角な方向すなわち矢印ｙ方向へ移動する。さら
に、円錐形の砥石３５の周面を目出しする場合
は、砥石支持台に対して砥石３５が傾けて支持さ
れる。詳しくは、切刃１３ａと接する砥石３５の
周面が、回転軸５と平行となるように支持され、
砥石３５の回転軸３６を矢印ｘ方向へ移動する。
このような砥石３５の支持機構およびNC制御装
置による移動機構については公知であるので、こ
れ以上説明しない。 In addition, when sharpening the end surface of the disc-shaped whetstone 35, the rotating shaft 36 of the whetstone 35 is supported by a whetstone support stand parallel to the rotary shaft 5, and the whetstone support stand is moved in a direction perpendicular to the rotary axis 5, that is, an arrow Move in the y direction. Furthermore, when sharpening the peripheral surface of the conical grindstone 35, the grindstone 35 is supported at an angle with respect to the grindstone support base. Specifically, the peripheral surface of the grindstone 35 in contact with the cutting edge 13a is supported so as to be parallel to the rotating shaft 5,
The rotating shaft 36 of the grindstone 35 is moved in the direction of the arrow x.
Such a support mechanism for the grindstone 35 and a movement mechanism by the NC control device are well known and will not be further described.
ところで、砥石３５の回転軸３６が回転しなが
ら回転軸５の方（矢印ｙ方向）へ接近すると、互
いに平行な回転軸５と回転軸３６との間隔が狭め
られて、切刃１３ａが砥石３５の周面に接触した
時発生する超音波振動は、ドレツサ１３から回転
軸５へ伝播され、さらに回転軸５を支持する液体
軸受の油室へ伝播される。油室へ伝播された超音
波振動は、ハウジング４を経てAEセンサ３０に
より検知される。したがつて、切刃１３ａが僅か
に砥石３５の周面に接するや否や、AEセンサ３
０の検出信号に基づくNC制御装置の出力信号に
より、昇降台による砥石３５の矢印ｙ方向の送り
動作が瞬時に停止され、回転軸５と回転軸３６の
間隔がその状態に維持される。次いで、砥石支持
台により砥石３５が矢印ｘ方向に往復動され、こ
の間に切刃１３ａにより砥石３５の周面が微少な
削り代で目出しされる。 By the way, when the rotating shaft 36 of the grinding wheel 35 approaches the rotating shaft 5 (in the direction of the arrow y) while rotating, the distance between the rotating shaft 5 and the rotating shaft 36, which are parallel to each other, narrows, and the cutting blade 13a moves closer to the grinding wheel 35. The ultrasonic vibrations generated when contacting the peripheral surface of the dresser 13 are propagated from the dresser 13 to the rotating shaft 5, and further to the oil chamber of the liquid bearing that supports the rotating shaft 5. The ultrasonic vibrations propagated to the oil chamber are detected by the AE sensor 30 via the housing 4. Therefore, as soon as the cutting blade 13a slightly touches the circumferential surface of the grindstone 35, the AE sensor 3
An output signal from the NC control device based on the detection signal of 0 immediately stops the movement of the lifting table to feed the grindstone 35 in the direction of the arrow y, and the distance between the rotary shaft 5 and the rotary shaft 36 is maintained in that state. Next, the grindstone 35 is reciprocated in the direction of the arrow x by the grindstone support, and during this time the peripheral surface of the grindstone 35 is sharpened with a minute cutting allowance by the cutting blade 13a.
なお、ドレツサ１３が砥石３５に接触しない場
合にも、AEセンサ３０に低レベルの超音波振動
が伝達されるが、ドレツサ１３の切刃１３ａが砥
石３５に接触した瞬間に、AEセンサ３０に伝達
される超音波振動のレベルが、急激に高くなるか
ら、この時NC制御装置からの信号により砥石３
５を矢印ｙ方向へ移動する移動機構が瞬時に停止
される。 Note that even when the dresser 13 does not contact the grindstone 35, low-level ultrasonic vibrations are transmitted to the AE sensor 30; The level of the ultrasonic vibration generated increases rapidly, and at this time a signal from the NC control device
The moving mechanism that moves 5 in the direction of the arrow y is stopped instantaneously.
第２図に示す実施例では、特に空気軸受により
回転軸５が支持されるドレツシング装置の刃物の
接触検出装置を示す。気体は液体に比べて超音波
振動の減衰能が大きいので、ドレツシング装置に
は何ら改良を施すことなく、回転軸５を支持する
ハウジング４に、AEセンサ３０を支持するハウ
ジング４１を並設し、ハウジング４１と回転軸５
との間に、１対のシール部材４２により密封され
た円筒形の油室４３を備え、油室４３へ導入口４
４から圧油を導入する一方、ハウジング４１に
AEセンサ３０を装着するものである。 The embodiment shown in FIG. 2 particularly shows a contact detection device for a cutter of a dressing device in which the rotary shaft 5 is supported by an air bearing. Since gas has a greater ability to attenuate ultrasonic vibrations than liquid, the housing 41 that supports the AE sensor 30 is installed in parallel with the housing 4 that supports the rotating shaft 5 without making any improvements to the dressing device. Housing 41 and rotating shaft 5
A cylindrical oil chamber 43 sealed by a pair of seal members 42 is provided between the oil chamber 43 and the inlet 4.
4, while introducing pressure oil into the housing 41.
An AE sensor 30 is attached thereto.
この実施例では、切刃１３ａと砥石３５との接
触により生じる超音波振動は、回転軸５から油室
４３へ直接伝達され、さらにハウジング４１の壁
部を経てAEセンサ３０により検知される。油室
４３が切刃１３ａに近いので、超音波振動の減衰
が少なく、超音波振動を効率的に検出できる。 In this embodiment, ultrasonic vibrations generated by the contact between the cutting blade 13a and the grindstone 35 are directly transmitted from the rotary shaft 5 to the oil chamber 43, and are further detected by the AE sensor 30 through the wall of the housing 41. Since the oil chamber 43 is close to the cutting blade 13a, there is little attenuation of ultrasonic vibrations, and ultrasonic vibrations can be detected efficiently.
第３図に示すように、回転軸５が球軸受１０，
８によりハウジング４に支持される場合は、切刃
１３ａと砥石３５との接触により発生する超音波
振動は、回転軸５、球軸受１０，８を経てハウジ
ング４へ伝播するので、球軸受１０，８で発生す
る外乱の影響を受け、切刃１３ａからの超音波振
動をAEセンサ３０により的確に検出するのが難
しい。 As shown in FIG. 3, the rotating shaft 5 has a ball bearing 10,
8, the ultrasonic vibrations generated by the contact between the cutting blade 13a and the grindstone 35 propagate to the housing 4 via the rotating shaft 5 and the ball bearings 10, 8. 8, it is difficult for the AE sensor 30 to accurately detect the ultrasonic vibrations from the cutting blade 13a.
本発明によれば、回転軸５が空気、液体などの
流体軸受により支持され、流体軸受の液体を超音
波振動の伝達媒体として利用できるので伝達効率
が良く、第１図に示す実施例では、単にAEセン
サ３０を流体軸受の液室に隣接して配置するだけ
で良いから構成が非常に簡単である。 According to the present invention, the rotary shaft 5 is supported by a fluid bearing such as air or liquid, and the fluid in the fluid bearing can be used as a transmission medium for ultrasonic vibrations, resulting in good transmission efficiency.In the embodiment shown in FIG. The configuration is very simple because it is sufficient to simply place the AE sensor 30 adjacent to the fluid chamber of the fluid bearing.
第２図のように、空気軸受を備えたドレツシン
グ装置の場合は、油室４３とAEセンサ３０とか
らなるユニツトを取付けるだけでよく、どのよう
な形式のドレツシング装置にも取り付けられ、簡
便である。 As shown in Figure 2, in the case of a dressing device equipped with an air bearing, it is only necessary to install a unit consisting of an oil chamber 43 and an AE sensor 30, and it can be easily installed in any type of dressing device. .
［発明の効果］
本発明は上述のように、ドレツサを結合する回
転軸をハウジングに流体軸受により回転支持し、
ハウジングと回転軸との間に１対のシール部材に
より密封された油室を区画し、外部から油室へ圧
油を充填し、油室に隣接してハウジングの内部に
AEセンサを支持したものであるから、次のよう
な効果が得られる。[Effects of the Invention] As described above, the present invention rotatably supports the rotating shaft that connects the dresser to the housing by a fluid bearing,
An oil chamber sealed by a pair of seal members is defined between the housing and the rotating shaft, and pressure oil is filled into the oil chamber from the outside, and an oil chamber is filled inside the housing adjacent to the oil chamber.
Since it supports the AE sensor, the following effects can be obtained.
(a) ドレツサを結合する回転軸をハウジングに、
空気軸受または液体軸受により支持したから、
回転軸とハウジングに固定摩擦する部分がな
く、したがつて、軸受部からの振動が外乱とし
てハウジングを経てAEセンサへ伝達される恐
れがなく、非常に感度の高い検出が得られる。(a) The rotating shaft that connects the dresser to the housing,
Supported by air bearings or liquid bearings,
There is no fixed friction part between the rotating shaft and the housing, so there is no risk that vibrations from the bearing will be transmitted as disturbances through the housing to the AE sensor, resulting in extremely highly sensitive detection.
(b) ドレツサを結合する回転軸をハウジングに、
空気軸受または液体軸受により支持したから、
回転軸の振動が少なく、高精度の目出し加工が
可能であり、ドレツサの切刃が砥石に接触した
時発生する超音波振動は、回転軸から油室、ハ
ウジングを経てAEセンサへと、伝達能率の高
い固体と液体の経路を経て伝達される。(b) Attach the rotating shaft that connects the dresser to the housing,
Supported by air bearings or liquid bearings,
The vibration of the rotating shaft is low, enabling high-precision machining, and the ultrasonic vibrations generated when the cutting edge of the dresser contacts the grindstone are transmitted from the rotating shaft to the AE sensor via the oil chamber and housing. Transmitted via highly efficient solid-liquid routes.
(c) ドレツサが目出しされる砥石に接触した瞬間
を、加振体である刃物側で検出するものである
から、刃物の振動がAEセンサへ高精度に伝達
される。(c) Since the moment when the dresser makes contact with the sharpening stone is detected by the cutting tool, which is the vibrating body, the vibration of the cutting tool is transmitted to the AE sensor with high precision.
(d) 油室の両端部を密封するシール部材は、減衰
能を有するので、シール部材と回転軸との接触
部が、ドレツサからAEセンサへの超音波振動
の伝達経路に外乱を及ぼす影響が非常に少な
い。(d) The sealing member that seals both ends of the oil chamber has a damping ability, so the contact area between the sealing member and the rotating shaft does not affect the transmission path of ultrasonic vibration from the dresser to the AE sensor. Very few.
(e) 従来のように多くの砥粒を削り取らないで、
微少な削り代で砥石を高精度に整形できるの
で、CBN砥石やダイヤモンド砥石など、高価
な砥石の利用効率を高め、研削コストの節減に
役立つ。(e) Without removing many abrasive grains as in the conventional method,
Since the grindstone can be shaped with high precision with minimal cutting allowance, it increases the efficiency of using expensive grindstones such as CBN grindstones and diamond grindstones, helping to reduce grinding costs.
第１図は本発明の第１実施例に係るドレツシン
グ装置の刃物の接触検出装置の側面断面図、第２
図は本発明の第２実施例に係るドレツシング装置
の刃物の接触検出装置の側面断面図、第３図は従
来のドレツシング装置の側面断面図である。
ａ，ｂ：ノズル、２：シール部材、４：ハウジ
ング、５：回転軸、５ｄ：フランジ、７：端板、
１３：ドレツサ、１６：導入口、１７，２４：通
路、２１：スリーブ、２２：環状溝、２３：軸受
板、３０：AEセンサ、３５：砥石、３６：回転
軸。
1 is a side sectional view of a contact detection device for a cutter of a dressing device according to a first embodiment of the present invention; FIG.
The figure is a side sectional view of a contact detection device for a cutter of a dressing device according to a second embodiment of the present invention, and FIG. 3 is a side sectional view of a conventional dressing device. a, b: nozzle, 2: seal member, 4: housing, 5: rotating shaft, 5d: flange, 7: end plate,
13: Dresser, 16: Inlet, 17, 24: Passage, 21: Sleeve, 22: Annular groove, 23: Bearing plate, 30: AE sensor, 35: Grinding wheel, 36: Rotating shaft.
Claims (1)
体軸受により回転支持し、ハウジングと回転軸と
の間に１対のシール部材により密封された油室を
区画し、外部から油室へ圧油を充填し、油室に隣
接してハウジングの内部にAEセンサを支持した
ことを特徴とする、ドレツシング装置の刃物の接
触検出装置。1 A rotating shaft that connects the dresser is rotatably supported in a housing by a fluid bearing, an oil chamber sealed by a pair of seal members is defined between the housing and the rotating shaft, and pressure oil is filled into the oil chamber from the outside. A contact detection device for a cutting tool of a dressing device, characterized in that an AE sensor is supported inside a housing adjacent to an oil chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9965485A JPS61260976A (en) | 1985-05-13 | 1985-05-13 | Dressing device for grind stone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9965485A JPS61260976A (en) | 1985-05-13 | 1985-05-13 | Dressing device for grind stone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61260976A JPS61260976A (en) | 1986-11-19 |
| JPH0545385B2 true JPH0545385B2 (en) | 1993-07-09 |
Family
ID=14253038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9965485A Granted JPS61260976A (en) | 1985-05-13 | 1985-05-13 | Dressing device for grind stone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61260976A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0621650Y2 (en) * | 1988-03-23 | 1994-06-08 | 株式会社ゼクセル | Grindstone dressing equipment |
| JPH074120Y2 (en) * | 1988-06-27 | 1995-02-01 | 株式会社日平トヤマ | Liquid supply device for ultrasonic sensor |
| US7797074B2 (en) * | 2007-03-01 | 2010-09-14 | Mori Seiki Usa, Inc. | Machine including grinding wheel and wheel dresser |
| JP4981769B2 (en) * | 2008-08-22 | 2012-07-25 | 三菱重工業株式会社 | Thread grinding wheel phasing device |
| JP5297287B2 (en) * | 2009-07-13 | 2013-09-25 | 三菱重工業株式会社 | Gear processing machine |
| WO2011036791A1 (en) * | 2009-09-28 | 2011-03-31 | 三菱重工業株式会社 | Device for phasing threaded grinding stone |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223268A (en) * | 1975-08-15 | 1977-02-22 | Shinkawa Ltd | Method of detecting attaching positions of semiconductor pellets |
-
1985
- 1985-05-13 JP JP9965485A patent/JPS61260976A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5223268A (en) * | 1975-08-15 | 1977-02-22 | Shinkawa Ltd | Method of detecting attaching positions of semiconductor pellets |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61260976A (en) | 1986-11-19 |
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