JPS63283861A - On-machine electric discharge truing/dressing for metal bond grindstone - Google Patents
On-machine electric discharge truing/dressing for metal bond grindstoneInfo
- Publication number
- JPS63283861A JPS63283861A JP11697287A JP11697287A JPS63283861A JP S63283861 A JPS63283861 A JP S63283861A JP 11697287 A JP11697287 A JP 11697287A JP 11697287 A JP11697287 A JP 11697287A JP S63283861 A JPS63283861 A JP S63283861A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- dressing
- grindstone
- truing
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 31
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 claims description 22
- 238000003754 machining Methods 0.000 claims description 9
- 238000009499 grossing Methods 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000010949 copper Substances 0.000 abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 abstract description 2
- 229910002804 graphite Inorganic materials 0.000 abstract description 2
- 239000010439 graphite Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 238000006467 substitution reaction Methods 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 description 6
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241000102542 Kara Species 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/001—Devices or means for dressing or conditioning abrasive surfaces involving the use of electric current
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は砥石のツルーイング／ドレッシング方法とりわ
けメタルボンド砥石の機上放電ツルーイング／ドレッシ
ング方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for truing/dressing a grinding wheel, and particularly to an on-machine discharge truing/dressing method for a metal bonded grinding wheel.
硬脆材料に対する研削加工を高精度に、かつ効率的に行
うには、研削盤、ジググラインダ、グラインダセンタな
どの機上でのツルーイング／ドレッシングが不可欠であ
る。しかし砥石の中でもメタルボンド砥石に対しては有
効な方法が存在しなかった。In order to grind hard and brittle materials with high precision and efficiency, truing/dressing on a machine such as a grinder, jig grinder, or grinder center is essential. However, there was no effective method for metal bonded whetstones.
この対策として本発明者等は、第１０図と第１１図で示
すように、ワイヤ電極１００を利用してメタルボンド砥
石９を機上放電ツルーイング／ドレッシングする方法を
開発した。この方法によれば。As a countermeasure to this problem, the present inventors have developed a method of performing on-machine discharge truing/dressing of the metal bond grindstone 9 using a wire electrode 100, as shown in FIGS. 10 and 11. According to this method.
機上でのツルーイング／ドレッシングのため高精度化を
図ることができる利点がある。しかし、ワイヤ電極のた
め放電個所が局所的で、また平均電流値の制約のあるこ
とから、除去効率が不十分となり、ツルーイング／ドレ
ッシング効率が低くなる点、さらにワイヤ太さに制限が
あるため、砥石の成形ツルーイング形状に制約を受け、
たとえばシャープな凹凸や複雑な形状を創成できない点
に問題があった。It has the advantage of being able to achieve high precision because truing/dressing is performed on the machine. However, because of the wire electrode, the discharge location is local and the average current value is limited, resulting in insufficient removal efficiency and low truing/dressing efficiency.Furthermore, there is a limit to the wire thickness. Restricted by the truing shape of the whetstone,
For example, there was a problem in that it was not possible to create sharp irregularities or complex shapes.
この打開策としては、ブロック状電極の使用が考えられ
るが、電極の装着誤差および電極消耗が不可避的である
ため、ツルーイング／ドレッシング精度が低下するとい
う問題があった。As a solution to this problem, the use of block-shaped electrodes may be considered, but there is a problem in that truing/dressing accuracy is reduced because electrode mounting errors and electrode wear are unavoidable.
本発明は前記のような問題点を解消するために研究して
創案されたもので、その目的とするところは、複雑、あ
るいはシャープな形状のメタルボンド砥石の機上ツルー
イング／ドレッシングを、高精度に、しかも効率よく、
かつ簡単に実現できる方法を提供することにある。The present invention was developed through research to solve the above-mentioned problems, and its purpose is to perform high-precision on-machine truing/dressing of metal bonded grinding wheels with complex or sharp shapes. and efficiently,
The purpose is to provide a method that can be easily realized.
この目的を達成するため本発明は、各種研削機械や研削
に対応可能なマシニングセンタなど多様な加工を行うこ
とのできる装置の駆動系を利用して、放電ツルーイング
／ドレッシング用電極を機上で切削創成し、そのまま創
成電極を用いて機上放電ツルーイング／ドレッシングを
行うようにしたものである。To achieve this objective, the present invention utilizes the drive system of equipment capable of performing a variety of processing, such as various grinding machines and machining centers capable of grinding, to generate electrodes for electric discharge truing/dressing on-machine. However, on-machine discharge truing/dressing is performed using the generation electrode as is.
すなわち、メタルボンド砥石を機上で放電ツルーイング
／ドレッシングする方法において、装置の主軸に取付け
た切削工具により電極素材から所望形状の電極を創成し
、そのまま前記創成電極を用いて主軸に付け換えた対象
砥石の放電ツルーイング／ドレッシングを行うことを基
本的特徴とするものである。In other words, in the method of electric discharge truing/dressing of a metal bond grinding wheel on a machine, an electrode of a desired shape is created from an electrode material using a cutting tool attached to the main shaft of the device, and then the created electrode is used to directly attach it to the main shaft. The basic feature is to perform electric discharge truing/dressing of the grindstone.
そして、好ましくは、創成電極により荒・中加工の放電
ツルーイング／ドレッシングを行った後、主軸に装着し
たメタルボンド砥石を再び切削工具と付け換えて創成電
極を機上修正し、再度メタルボンド砥石に付け換え、放
電条件を微弱化して仕上げ放電ツルーイング／ドレッシ
ングを行うものである。Then, preferably, after performing electrical discharge truing/dressing for rough/medium machining using the generating electrode, the metal bond grinding wheel attached to the spindle is replaced with a cutting tool, the generating electrode is corrected on the machine, and the metal bond grinding wheel is reattached to the metal bond grinding wheel. This involves replacing the battery, weakening the discharge conditions, and performing final discharge truing/dressing.
また、本発明は予め形状付与されたメタルボンド砥石を
用いて、砥石の振れを除去したり、加工条件を落して放
電ドレッシングを行うことも可能である。Further, according to the present invention, it is also possible to use a pre-shaped metal bonded grindstone to remove run-out of the grindstone or perform electric discharge dressing by lowering the machining conditions.
本発明は総形電極による機上放電ツルーイング／ドレッ
シングに効果的であるが、ストレート電極による平面研
削用の機上放電ツルーイング／ドレッシングにも適用で
きる。Although the present invention is effective for on-machine discharge truing/dressing using a full-shaped electrode, it can also be applied to on-machine discharge truing/dressing for surface grinding using a straight electrode.
以下本発明の実施例を添付図面に基いて説明する。 Embodiments of the present invention will be described below with reference to the accompanying drawings.
第１図ないし第５図は縦型マシニングセンタ（この場合
はＮＣ研削盤として利用）機上での総形電極によるメタ
ルボンド砥石の機上放電ツルーイング方法を示している
。1 to 5 show an on-machine discharge truing method for a metal bond grindstone using a full-form electrode on a vertical machining center (in this case used as an NC grinder).
第１図ないし第３図は第１段階すなわち機上での電極成
形工程を示すもので、１は数値制御部と工具自動交換装
置（ＡＴＣ）を備えたマシニングセンタのＮＣテーブル
であり、図示しない駆動機構により水平移動自在となっ
ている。２はＮＧ子テーブル上に着脱可能に搭載された
回転軸（ツルア−軸）であり、モータ３により回転自在
となっている。Figures 1 to 3 show the first stage, that is, the on-machine electrode forming process, where 1 is an NC table of a machining center equipped with a numerical control unit and an automatic tool changer (ATC), and a drive unit (not shown) is shown. The mechanism allows for horizontal movement. Reference numeral 2 denotes a rotating shaft (truer shaft) that is removably mounted on the NG child table, and is rotatable by a motor 3.
４はマシニングセンタの主軸であり、主軸頭４ａに軸受
を介して設けられ、回転自在かつ昇降自在となっている
。Reference numeral 4 denotes a main shaft of the machining center, which is provided on the main spindle head 4a via a bearing, and is rotatable and movable up and down.
この第１段階においては、まず、前記回転軸２に黒鉛、
銅などの導電材料からなる円筒状の電極素材６を嵌合し
、ナツト等の部材２０により固定する。このとき電極素
材６にはブラシ８を取り付けておく、一方、前記主軸４
に直接かまたは主軸４から延びる軸（以下主軸と称す）
のテーパ部に切削工具たとえばバイト７をホルダ５（テ
ーパシャンク部）をもって装着する。この工具はＡＴＣ
により選択して自動的に装着される。そして、この状態
でモータ３により回転軸２を回転すると共に、ＮＣテー
ブル１および主軸４を機能に従って作動させるものであ
り、マシニングセンタ機上で切削工具７と電極素材６よ
り所望形状の総形電極６ａが創成される。In this first step, first, graphite is attached to the rotating shaft 2.
A cylindrical electrode material 6 made of a conductive material such as copper is fitted and fixed with a member 20 such as a nut. At this time, a brush 8 is attached to the electrode material 6, while the main shaft 4
or a shaft extending directly from the main shaft 4 (hereinafter referred to as the main shaft)
A cutting tool such as a cutting tool 7 is attached to the tapered portion of the holder 5 (tapered shank portion). This tool is ATC
is selected and installed automatically. In this state, the rotary shaft 2 is rotated by the motor 3, and the NC table 1 and the main shaft 4 are operated according to their functions, and on the machining center machine, the cutting tool 7 and the electrode material 6 are used to cut the overall electrode 6a into a desired shape. is created.
第４図と第５図は第２段階すなわち創成電極による放電
ツルーイング工程を示している。この第２段階において
は、まず、総形電極６ａをそのまま回転軸２に取付けた
状態で、ＡＴＣによりメタルボンド砥石９を選択し、前
部主軸４から切削工具７を取外し、メタルボンド砥石９
と交換する。FIGS. 4 and 5 show the second stage, that is, the discharge truing process using the generating electrode. In this second stage, first, the metal bond grinding wheel 9 is selected by ATC with the general electrode 6a attached to the rotating shaft 2 as it is, the cutting tool 7 is removed from the front main spindle 4, and the metal bond grinding wheel 9 is removed from the front main spindle 4.
exchange with.
すなわち第５図のようにホルダ５のシャンク部５０を主
軸４のテーパ部４０に嵌着する。そして次に、メタルボ
ンド砥石９と総形電極６ａとをＮＣテーブル１により所
定の間隙を持たせつつ、主軸４と回転軸２を回転させ、
同時に電源１０からブラシ８と軸５０に放電用電流を供
給する。また。That is, as shown in FIG. 5, the shank portion 50 of the holder 5 is fitted onto the tapered portion 40 of the main shaft 4. Next, while keeping a predetermined gap between the metal bond grindstone 9 and the general electrode 6a using the NC table 1, the main shaft 4 and the rotating shaft 2 are rotated,
At the same time, a discharge current is supplied from the power source 10 to the brush 8 and the shaft 50. Also.
加工液ノズル１１から放電間隙に加工液を供給する。こ
れにより回転する総形電極６ａによりメタルボンド砥石
９が放電ツルーイングされる。Machining fluid is supplied from the machining fluid nozzle 11 to the discharge gap. As a result, the metal bond grindstone 9 is subjected to discharge truing by the rotating general electrode 6a.
このブロック状電極による放電ツルーイング工程におい
て、除去速度は電流値の影響を最も強く受ける。第６図
は銅製の３８φｍｍのブロック状電極を用いて鋳鉄ボン
ドダイヤモンド砥石（直径３０＋ａｍ、砥粒粒度＃６０
０、集中度１００）を機上ツルーイングした場合の、砥
石除去量Ｔｄと砥石単位幅あたりの除去時間ｔとの関係
を、セットバック量一定（２０μｍ、追い込み深さＯｍ
ｍ）で調べた結果である。In the discharge truing process using this block-shaped electrode, the removal rate is most strongly influenced by the current value. Figure 6 shows a cast iron bonded diamond grinding wheel (diameter 30+am, abrasive grain size #60) using a block-shaped electrode of 38φmm made of copper.
The relationship between the grinding wheel removal amount Td and the removal time t per grinding wheel unit width when performing on-machine truing with a setback amount constant (20 μm, driving depth Om
This is the result of the investigation in m).
なお、砥石周速は２５／ｍｉｎ、無負荷電圧ｔｏｏｖ、
放電時間、休止時間とも１μｓとした。In addition, the grinding wheel circumferential speed is 25/min, the no-load voltage toov,
Both the discharge time and rest time were 1 μs.
この第７図から明らかなように、除去率をη＝Ｔｄ／ｌ
（時間／幅）とすれば、除去効率は設定電流４０Ａで６
μｓ−ａｍ／ｗｉｎ、設定電流８０Ａ（最大放電間隙１
３０ ｐ ｍ）で５５μｌ−１ｌＩｌ／ｌ１ｉｎとなり
、電流値の高いほど除去効率も高くなる。As is clear from FIG. 7, the removal rate is η=Td/l
(time/width), the removal efficiency is 6 at a set current of 40A.
μs-am/win, setting current 80A (maximum discharge gap 1
30 pm), it becomes 55 μl-1lIl/l1in, and the higher the current value, the higher the removal efficiency.
゛・そこで実際の機上放電ツルーイングに際しては、ま
ず、電流値を高くして創成電極６ａにより荒・中加工を
行う、この加工により創成電極６ａが消耗したならば、
ホルダ５を介して主軸４からメタルボンド砥石９を取外
し、ＡＴＣにより修正用の切削工具と交換し、再び前記
第１図ないし第３図の手法で切削して創成電極６ａを機
上修正する。゛・Therefore, in actual on-machine discharge truing, first, the current value is increased and rough/medium machining is performed using the generating electrode 6a.If the generating electrode 6a is consumed by this machining,
The metal bond grindstone 9 is removed from the main shaft 4 via the holder 5, replaced with a cutting tool for correction by ATC, and cut again using the method shown in FIGS. 1 to 3 to correct the generating electrode 6a on the machine.
そして、再度切削工具をメタルボンド砥石９と交換し、
電流値を微弱にして仕上げ放電ツルーイングを行う。Then, replace the cutting tool with the metal bond grindstone 9 again,
Perform final discharge truing with a weak current value.
第７図（ａ） （ｂ）は本発明により成形ツルーイング
を行って得られた砥石と成形ツルーイングに用いた創成
電極を示しており、ワイヤ電極では対応できないシャー
プな凹部を持つ砥石形状を創成できることがわかる。Figures 7(a) and 7(b) show a grindstone obtained by forming truing according to the present invention and a generating electrode used for forming truing, and it is possible to create a grindstone shape with sharp recesses that cannot be achieved with wire electrodes. I understand.
第８図と第９図は本発明を非総形砥石のための機上電極
創成と創成電極による放電ツルーイング状況を示してい
る。この場合には第１段階として。FIG. 8 and FIG. 9 show the on-machine electrode creation for a non-formed grindstone according to the present invention and the discharge truing situation using the creation electrode. In this case, as a first step.
ＮＣテーブル（図示せず）に固定用部材１２を取り付け
、これに電極材料６″を固定する。一方主軸または軸に
はホルダ５によりエンドミルのような回転型の工具７″
を取り付け、これで電極材料６″を機上切削してツルー
イング／ドレッシング用の電極６ａ’ を得る。ついで
、主軸または軸に対し工具７′の代わりにメタルボンド
砥石９′を装着し、電源１０からメタルボンド砥石９′
の取り付け軸と前記創成電極６ａ″に放電用電流を供給
し、主軸によりメタルボンド砥石９′を回転しつつＮＣ
テーブルにより創成電極６ａ’ を接近させ放電ツルー
イングを行うものであり、この場合も段階的に放電用電
流値を微弱化し、かつ、前記手法と同様に工具交換によ
り電極修正を行う。A fixing member 12 is attached to an NC table (not shown), and an electrode material 6'' is fixed thereto.On the other hand, a rotary tool 7'' such as an end mill is attached to the main shaft or shaft by a holder 5.
and then cut the electrode material 6'' on-machine to obtain the electrode 6a' for truing/dressing. Next, attach a metal bond grindstone 9' instead of the tool 7' to the main spindle or shaft, and turn the power source 10. Kara Metal Bond Grindstone 9'
A discharge current is supplied to the mounting shaft and the generating electrode 6a'', and while the metal bond grindstone 9' is rotated by the main shaft, the NC
Discharge truing is performed by bringing the generating electrode 6a' close to each other using a table, and in this case as well, the discharge current value is weakened step by step, and the electrode is corrected by exchanging tools as in the previous method.
なお、この非総形砥石のツルーイング／ドレッシングに
関し、工具は必ずしもストレートである必要はない。す
なわち、第８ａ図のように外形が異型な総形の切削工具
や砥石を用いてもよい。また、放電ツルーイングに際し
、創成電極を創成面に対し平行に往復動させる方法をと
ってもよい。In addition, regarding this truing/dressing of a non-formed grindstone, the tool does not necessarily have to be straight. That is, a cutting tool or grindstone having an irregular outer shape as shown in FIG. 8a may be used. Furthermore, during discharge truing, a method may be used in which the generating electrode is reciprocated in parallel to the generating surface.
本発明は、マシニングセンタだけでなく、ＮＣ研削盤、
ジググラインダ、グラインディングセンタ、ＮＧ円筒研
削盤、工具交換可能な旋盤などの機上ツルーイング／ド
レッシングに適用されるものである。The present invention is applicable not only to machining centers but also to NC grinding machines,
It is applied to on-machine truing/dressing of jig grinders, grinding centers, NG cylindrical grinders, tool-changeable lathes, etc.
以上説明した本発明によるときには、研削加工機の機能
を活用して機上でブロック状電極を創成することから、
成形電極を予め準備しておく必要がなく、また、そのま
ま創成電極により機上ツルーイング／ドレッシングを行
うため電極装着誤差が介入せず、主軸に対する砥石と工
具の付け換えで自在に修正を行えるため電極消耗による
精度低下も回避され、これにより、メタルボンド砥石に
対し、ブロック電極の利点を生かして効率のよいかつ精
度のよい機上放電ツルーイング／ドレッシングを実現す
ることができるというすぐれた効果が得られる。According to the present invention described above, since a block-shaped electrode is created on the machine by utilizing the functions of the grinding machine,
There is no need to prepare a shaped electrode in advance, and since on-machine truing/dressing is performed directly using the generated electrode, electrode installation errors do not intervene, and corrections can be made freely by replacing the grindstone and tool with respect to the spindle. Decrease in accuracy due to wear is also avoided, and this has the excellent effect of making it possible to realize efficient and accurate on-machine discharge truing/dressing by taking advantage of the block electrodes compared to metal bonded grinding wheels. .
第１図は本発明によるメタルボンド砥石の機上放電ツル
ーイング／ドレッシング方法の第１段階を原理的に示す
側面図、第２図は同じくその詳細図、第３図は第２図の
部分的拡大図、第４図は本発明の第２段階を原理的に示
す半部側面図、第５図はその詳細図、第６図はブロック
状電極による砥石単位幅当たりの放電時間と砥石除去量
と電流値の関係を示すグラフ、第７図（ａ）（ｂ）は本
発明により成形されたメタルボンド砥石と成形に使用し
た創成電極を例示する斜視図、第８図は非総形砥石を対
象とした場合の機上電極創成状況を示す斜視図、第８ａ
図は同じくその別例を示す斜視図。
第９図は同じく機上創成電極による放電ツルーイング状
況を示す斜視図、第１０図は従来の機上ツルーイング方
法を示す側面図、第１１図は同じくその要部斜視図であ
る。Fig. 1 is a side view showing the principle of the first step of the on-machine discharge truing/dressing method for metal bonded grinding wheels according to the present invention, Fig. 2 is a detailed view thereof, and Fig. 3 is a partial enlargement of Fig. 2. 4 is a half-part side view showing the principle of the second stage of the present invention, FIG. 5 is a detailed view thereof, and FIG. 6 is a diagram showing the discharge time per unit width of the grinding wheel by the block-shaped electrode and the amount of removal by the grinding wheel. Graphs showing the relationship between current values, Figures 7(a) and 7(b) are perspective views illustrating the metal bonded grindstone formed according to the present invention and the generating electrode used for forming, and Figure 8 is for a non-formed grindstone. A perspective view showing the on-machine electrode creation situation in the case of
The figure is a perspective view showing another example. FIG. 9 is a perspective view showing a discharge truing situation using an on-machine generating electrode, FIG. 10 is a side view showing a conventional on-machine truing method, and FIG. 11 is a perspective view of a main part thereof.
Claims (5)
レッシングする方法において、主軸に取付けた工具によ
り所望形状の電極を創成し、そのまま前記創成電極を用
いて主軸に付け換えた対象砥石の放電ツルーイング／ド
レッシングを行うことを特徴とするメタルボンド砥石の
機上放電ツルーイング／ドレッシング方法。(1) In a method of on-machine electrical discharge truing/dressing of a metal bonded grindstone, an electrode of a desired shape is created using a tool attached to the spindle, and the created electrode is used to replace the target grindstone with the electrical discharge truing/dressing on the spindle. An on-machine discharge truing/dressing method for metal bonded grinding wheels characterized by dressing.
創成する特許請求の範囲第１項記載のメタルボンド砥石
の機上放電ツルーイング／ドレッシング方法。(2) The on-machine discharge truing/dressing method for a metal bond grindstone according to claim 1, which uses a cutting tool as a tool to create a block-shaped general electrode.
または自由曲面を電極表面に創成する特許請求の範囲第
１項記載のメタルボンド砥石の機上放電ツルーイング／
ドレッシング方法。(3) On-machine discharge truing of a metal bond grindstone according to claim 1, in which a rotary tool such as an end mill is used as a tool to create a straight line or a free-form surface on the electrode surface.
Dressing method.
で荒・中加工を行った後、再び切削工具により電極を機
上修正し、仕上げ放電ツルーイング／ドレッシングを行
うことを含む特許請求の範囲第１項記載のメタルボンド
砥石の機上放電ツルーイング／ドレッシング方法。(4) After rough/medium machining is performed by electric discharge truing/dressing using a generating electrode, the electrode is corrected on-machine again using a cutting tool, and finishing electric discharge truing/dressing is performed. On-machine discharge truing/dressing method for metal bond grinding wheels.
付け、これを回転させることで電極を創成し、この電極
により前記砥石の振れ取りを含むツルーイング／ドレッ
シングを行うことを含む特許請求の範囲第１項記載のメ
タルボンド砥石の機上放電ツルーイング／ドレッシング
方法。(5) A claim that includes attaching a metal bonded grindstone formed outside the machine to the main shaft, creating an electrode by rotating the grindstone, and performing truing/dressing including smoothing of the grindstone using this electrode. 2. The on-machine discharge truing/dressing method for a metal bonded grindstone according to item 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11697287A JP2660512B2 (en) | 1987-05-15 | 1987-05-15 | On-machine discharge truing method of metal bond whetstone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11697287A JP2660512B2 (en) | 1987-05-15 | 1987-05-15 | On-machine discharge truing method of metal bond whetstone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63283861A true JPS63283861A (en) | 1988-11-21 |
| JP2660512B2 JP2660512B2 (en) | 1997-10-08 |
Family
ID=14700313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11697287A Expired - Lifetime JP2660512B2 (en) | 1987-05-15 | 1987-05-15 | On-machine discharge truing method of metal bond whetstone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2660512B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02232162A (en) * | 1989-03-03 | 1990-09-14 | Rikagaku Kenkyusho | Truing and dressing method and device thereof for conductive grinding wheel by electrolytic dressing grinding |
| EP1200228A1 (en) * | 1999-07-03 | 2002-05-02 | Unova U.K. Limited | Improvement in and relating to edge grinding |
| US6447376B1 (en) * | 1999-03-03 | 2002-09-10 | Riken | Plasma discharge truing apparatus and fine-machining methods using the apparatus |
| JP2004114172A (en) * | 2002-09-24 | 2004-04-15 | Matsushita Electric Ind Co Ltd | Method and apparatus of electric discharge truing |
| CN107263323A (en) * | 2017-08-16 | 2017-10-20 | 哈尔滨工业大学 | Ball-end grinding wheel dressing method in place during superfine grinding special-shaped thin wall structural member |
| WO2017209747A1 (en) | 2016-05-31 | 2017-12-07 | Inland Diamond Products Company | Retruing of a grinding wheel using edm machine |
| WO2021003898A1 (en) * | 2019-07-05 | 2021-01-14 | 华南理工大学 | Pulsed discharge edge trimming apparatus and method for edge grinding grains of micro-grinding head |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000061839A (en) * | 1998-08-19 | 2000-02-29 | Rikagaku Kenkyusho | Microdischarge truing device and finely machining method using it |
-
1987
- 1987-05-15 JP JP11697287A patent/JP2660512B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02232162A (en) * | 1989-03-03 | 1990-09-14 | Rikagaku Kenkyusho | Truing and dressing method and device thereof for conductive grinding wheel by electrolytic dressing grinding |
| US6447376B1 (en) * | 1999-03-03 | 2002-09-10 | Riken | Plasma discharge truing apparatus and fine-machining methods using the apparatus |
| EP1200228A1 (en) * | 1999-07-03 | 2002-05-02 | Unova U.K. Limited | Improvement in and relating to edge grinding |
| JP2004114172A (en) * | 2002-09-24 | 2004-04-15 | Matsushita Electric Ind Co Ltd | Method and apparatus of electric discharge truing |
| JP4613471B2 (en) * | 2002-09-24 | 2011-01-19 | パナソニック株式会社 | Discharge truing method |
| WO2017209747A1 (en) | 2016-05-31 | 2017-12-07 | Inland Diamond Products Company | Retruing of a grinding wheel using edm machine |
| EP3463732A4 (en) * | 2016-05-31 | 2020-04-01 | Inland Diamond Products Company | Retruing of a grinding wheel using edm machine |
| CN107263323A (en) * | 2017-08-16 | 2017-10-20 | 哈尔滨工业大学 | Ball-end grinding wheel dressing method in place during superfine grinding special-shaped thin wall structural member |
| CN107263323B (en) * | 2017-08-16 | 2019-01-08 | 哈尔滨工业大学 | Ball-end grinding wheel dressing method in place when superfine grinding special-shaped thin wall structural member |
| WO2021003898A1 (en) * | 2019-07-05 | 2021-01-14 | 华南理工大学 | Pulsed discharge edge trimming apparatus and method for edge grinding grains of micro-grinding head |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2660512B2 (en) | 1997-10-08 |
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