JP2539802B2 - Method and apparatus for grinding wheel surface correction - Google Patents

Method and apparatus for grinding wheel surface correction

Info

Publication number
JP2539802B2
JP2539802B2 JP61296622A JP29662286A JP2539802B2 JP 2539802 B2 JP2539802 B2 JP 2539802B2 JP 61296622 A JP61296622 A JP 61296622A JP 29662286 A JP29662286 A JP 29662286A JP 2539802 B2 JP2539802 B2 JP 2539802B2
Authority
JP
Japan
Prior art keywords
peripheral surface
grinding wheel
dresser
grinding
contact
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
Application number
JP61296622A
Other languages
Japanese (ja)
Other versions
JPS63150160A (en
Inventor
智康 今井
良二 山田
守 勝田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyoda Koki KK
Original Assignee
Toyoda Koki KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toyoda Koki KK filed Critical Toyoda Koki KK
Priority to JP61296622A priority Critical patent/JP2539802B2/en
Publication of JPS63150160A publication Critical patent/JPS63150160A/en
Application granted granted Critical
Publication of JP2539802B2 publication Critical patent/JP2539802B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】 [産業上の利用分野] この発明は、砥石車周面の修正方法及びそれを実施す
る装置に関する。
Description: TECHNICAL FIELD The present invention relates to a grinding wheel peripheral surface correcting method and an apparatus for carrying out the method.

[従来の技術] 研削作業で砥石車の幅より狭い幅の工作物を研削する
場合がある。この場合、砥石車の周面は研削部と非研削
部とに分れる。
[Prior Art] In some cases, a grinding operation grinds a workpiece having a width narrower than that of a grinding wheel. In this case, the peripheral surface of the grinding wheel is divided into a ground portion and a non-ground portion.

砥石車の周面をドレッサで修正する場合、従来は、ド
レッサを砥石車の研削部周面に向ってプランジ送りを
し、ドレッサが研削部周面に接触してからトラバース送
りと切込みとによる修正作業を開始しているが、砥石車
の研削部周面に対するドレッサの接触を検出するのに、
検出ピンの接触による間接検出によるか、ドレッサ自体
の接触による直接検出によるかしている。そうして、直
接検出の場合、ドレッサを研削部周面に近付けるのに、
プランジ送りによる場合と、初めからトラバース送りし
ながらの切込みによる場合とがある。
When correcting the peripheral surface of a grinding wheel with a dresser, conventionally, plunge feed is applied to the dresser toward the grinding surface of the grinding wheel, and the traverse feed and cutting are performed after the dresser comes into contact with the grinding surface. Although the work has started, in order to detect the contact of the dresser on the grinding surface of the grinding wheel,
It is based on indirect detection by contact of the detection pin or direct detection by contact of the dresser itself. Then, in the case of direct detection, to bring the dresser close to the peripheral surface of the grinding part,
There are cases of plunge feeding and cases of cutting while traverse feeding from the beginning.

[発明が解決しようとする問題点] 砥石車の周面に対するドレッサによる修正において、
修正開始をするためにドレッサを砥石車研削部周面との
接触位置にまでもたらし、その接触を検知する場合、前
述の従来の技術の検出ピンによる間接検出では、ドレッ
サに対する検出ピンの位置を調整する必要があるため作
業効率が悪く、又、同じくドレッサによる直接検出で
も、プランジ送りでは研削部周面にドレッサにより痕線
がつけられ、その後の研削作業において工作物の被研削
面の品質に影響を与えるし、初めからトラバース送りと
切込みとの繰返しによると接触検出時間が長く効率が悪
い。
[Problems to be Solved by the Invention] In the correction by the dresser on the peripheral surface of the grinding wheel,
In order to start correction, the dresser is brought to the contact position with the grinding wheel grinding surface, and when detecting the contact, the position of the detection pin with respect to the dresser is adjusted by indirect detection by the detection pin of the conventional technology described above. Work efficiency is poor because it has to be done, and even with direct detection by a dresser, the plunge feed marks lines on the peripheral surface of the grinding part due to the dresser, which affects the quality of the ground surface of the workpiece in the subsequent grinding work. If the traverse feed and the cutting are repeated from the beginning, the contact detection time is long and the efficiency is low.

この発明は、そのような従来の技術の欠点を排除し、
砥石車の研削部周面を損わずに、効率よく、ドレッサに
よる砥石車周面に対する修正を行なうようにしたもので
ある。
The present invention eliminates the drawbacks of such prior art,
The grinding wheel peripheral surface is efficiently corrected by a dresser without damaging the grinding surface of the grinding wheel.

[問題点を解決するための手段] この発明の砥石車周面修正方法は、砥石車の幅より狭
い幅の工作物を研削する砥石車の周面を修正するに際
し、先ずドレッサを砥石車の非研削部周面に対向させ、
それに向ってプランジ送りをし、ドレッサが非研削部周
面に接触した後、ドレッサのトラバース送りを開始し、
ドレッサを段階的に切込んで、ドレッサが砥石車の研削
部周面に接触したことが検出されるまで切込みとトラバ
ース送りとを繰返して砥石車周面を修正するのである。
[Means for Solving Problems] In the grinding wheel peripheral surface correcting method of the present invention, when correcting the peripheral surface of a grinding wheel that grinds a workpiece having a width smaller than the width of the grinding wheel, first, the dresser is attached to the grinding wheel. Face the peripheral surface of the non-ground part,
Plunge feed toward it, and after the dresser comes into contact with the peripheral surface of the non-ground portion, the traverse feed of the dresser is started,
The dresser is cut in stages and the cutting wheel and the traverse feed are repeated until the contact of the dresser with the grinding surface of the grinding wheel is detected, and the grinding wheel circumferential surface is corrected.

そして、その砥石車周面修正方法を行う砥石車周面修
正装置は、砥石車周面を修正するドレッサと、ドレッサ
を砥石車周面に対し平行方向に送る縦送り装置と、ドレ
ッサを砥石車周面に対し垂直方向に送る横送り装置と、
前記縦送り装置及び横送り装置を駆動する各駆動回路に
指令信号を入力する数値制御装置と、ドレッサと砥石車
の非研削部周面及び研削部周面との接触を検出する接触
検出センサと、この接触検出センサからの検出信号を受
け砥石車の非研削部周面及び研削部周面とドレッサの接
触を識別して前記数値制御装置に非研削部周面接触信号
及び研削部各周面接触信号を入力する比較器とから構成
され、前記数値制御装置は、砥石修正の始動において先
ずドレッサを砥石車の非研削部周面に接触させるべく原
位置からのプランジ送り指令信号を、前記非研削部周面
接触信号を受けたとき繰返しのトラバース送り指令信号
及び切込み指令信号を前記各駆動回路に入力すると共
に、前記研削部周面接触信号を受けたとき所定量の切込
み指令信号及びトラバース送り指令信号を、この所定量
の切込みとトラバース送り完了後、原位置への戻り指令
信号を前記各駆動回路に入力するようになっている。
Then, a grinding wheel peripheral surface correcting device for performing the grinding wheel peripheral surface correcting method includes a dresser for correcting the grinding wheel peripheral surface, a vertical feeding device for feeding the dresser in a direction parallel to the grinding wheel peripheral surface, and a dresser for the grinding wheel. A transverse feed device that feeds in a direction perpendicular to the peripheral surface,
A numerical control device for inputting a command signal to each drive circuit for driving the vertical feed device and the horizontal feed device, and a contact detection sensor for detecting contact between a dresser and a non-ground portion of a grinding wheel and a peripheral portion of a grinding portion. Receiving a detection signal from this contact detection sensor, the non-grinding part peripheral surface of the grinding wheel and the contact between the grinding part peripheral surface and the dresser are identified and the numerical control device is made to contact the non-grinding part peripheral surface contact signal and each grinding surface Comprising a comparator for inputting a contact signal, the numerical control device, at the start of grinding wheel correction, first the plunge feed command signal from the original position to bring the dresser into contact with the peripheral surface of the non-ground portion of the grinding wheel, When a grinding section peripheral surface contact signal is received, a repetitive traverse feed command signal and a cutting command signal are input to each of the drive circuits, and when a grinding section peripheral surface contact signal is received, a predetermined amount of cutting command signal and traverse command signal are input. The over scan feed command signal, after the predetermined amount of cut and the traverse feed completed, and inputs the return command signals to the original position to the respective drive circuits.

[作用] 先ずドレッサを砥石車周面の非研削部周面に対向さ
せ、それに向ってプランジ送りをし、ドレッサを非研削
部周面に接触させた後、ドレッサをトラバース送りを
し、段階的に切込んで、ドレッサが砥石周面の研削部周
面に接触するに至ってから更に所定量の切込みとトラバ
ース送りとをして砥石車周面の修正をするのである。
[Operation] First, the dresser is opposed to the peripheral surface of the non-ground portion of the grinding wheel, plunge feed is performed toward it, and the dresser is brought into contact with the peripheral surface of the non-grind portion. Then, after the dresser comes into contact with the peripheral surface of the grinding portion of the grinding wheel, a predetermined amount of cutting and traverse feed are performed to correct the grinding wheel peripheral surface.

[実施例] この発明の実施例を図面に従って説明する。[Embodiment] An embodiment of the present invention will be described with reference to the drawings.

第1図は、この発明による砥石車周面修正方法を実施
する装置を示す。
FIG. 1 shows an apparatus for carrying out the grinding wheel peripheral surface correcting method according to the present invention.

研削盤の砥石台1において、回転駆動されるように装
着された砥石車2の後方にドレッサ3が装着され、砥石
車2の周面4に相対している。砥石台1の前面のテーブ
ル5には、砥石車2の幅より狭い加工面を持つ工作物6
が装着されている。従って、砥石車2の周面4は研削部
周面7と非研削部周面8とに分れる。
In a grinding wheel head 1 of a grinding machine, a dresser 3 is mounted behind a grinding wheel 2 mounted so as to be rotationally driven, and faces a peripheral surface 4 of the grinding wheel 2. On the table 5 in front of the grindstone 1, a workpiece 6 having a processing surface narrower than the width of the grinding wheel 2 is provided.
Is installed. Therefore, the peripheral surface 4 of the grinding wheel 2 is divided into the peripheral surface 7 of the grinding portion and the peripheral surface 8 of the non-grinding portion.

ドレッサ3には振動検出センサ9が装着され、且つ縦
・横各送り装置10,11が装備されている。そうして、振
動検出センサ9からの検出信号が入力され、縦・横各送
り装置10,11へ出力する第1図ブロック図部分で示され
ているような構成のドレッサ制御装置12が装備されてい
る。
A vibration detection sensor 9 is attached to the dresser 3, and vertical and horizontal feeding devices 10 and 11 are also provided. Then, the detection signal from the vibration detection sensor 9 is input and is output to each of the vertical and horizontal feeding devices 10 and 11, and the dresser control device 12 having the configuration as shown in the block diagram of FIG. 1 is provided. ing.

ドレッサ制御装置12において、フィルタは、ノイズを
除去し増幅器に検出信号を送り、増幅器は、検出信号を
増幅して非研削部比較器とゲート回路とに送る。非研削
部比較器は、振動信号を接触検知レベルと比較して非研
削部周面接触信号を数値制御装置に送る。
In the dresser control device 12, the filter removes noise and sends a detection signal to the amplifier, which amplifies the detection signal and sends it to the non-grinding part comparator and the gate circuit. The non-grinding part comparator compares the vibration signal with the contact detection level and sends the non-grinding part peripheral surface contact signal to the numerical controller.

研削部周面域検出器は、数値制御装置からの縦送り指
令信号からドレッサ3の研削部周面域存在を検出し、研
削部周面域検出信号をゲート回路に送り、ゲート回路
は、研削部周面域検出信号が入力されたときのみ開いて
増幅器からの検出信号を研削部比較器に送る。研削部比
較器は、検出信号を接触検知レベルと比較して研削部周
面接触信号を数値制御装置に送る。
The grinding portion peripheral surface area detector detects the presence of the grinding portion peripheral surface area of the dresser 3 from the vertical feed command signal from the numerical control device, and sends the grinding portion peripheral surface area detection signal to the gate circuit. It is opened only when the peripheral surface area detection signal is input, and the detection signal from the amplifier is sent to the grinding section comparator. The grinding section comparator compares the detection signal with the contact detection level and sends the grinding section peripheral surface contact signal to the numerical controller.

数値制御装置は、ドレツサが縦送り位置で砥石車の非
研削部周面に対向し、横送り位置で離れた原位置信号が
プログラムされており、且つ縦・横各送り装置10,11を
駆動する各駆動回路に各指令信号を送るのであるが、そ
れらの指令信号は、先ず始動における原位置からのプラ
ンジ送り指令信号、非研削部周面接触信号を受けたとき
の繰返しのトラバース送り指令信号及び切込み指令信
号、研削部周面接触信号を受けたときの所定回数のトラ
バース送り指令信号及び切込み指令信号並びに所定回数
のトラバース送りと切込みとの完了後の原位置への戻り
指令信号である。
In the numerical control device, the dresser faces the peripheral surface of the non-grinding part of the grinding wheel at the vertical feed position, and the original position signals which are separated at the horizontal feed position are programmed, and the vertical and horizontal feed devices 10 and 11 are driven. Each command signal is sent to each drive circuit to be operated.These command signals are the plunge feed command signal from the original position at the start, and the repetitive traverse feed command signal when the non-grinding part peripheral surface contact signal is received. And a cutting command signal, a traverse feed command signal and a cutting command signal a predetermined number of times when the grinding surface contact signal is received, and a return command signal to the original position after completion of the traverse feeding and cutting a predetermined number of times.

この発明による砥石車周面の修正方法を上記の装置の
作用によって述べる。
The method for correcting the peripheral surface of the grinding wheel according to the present invention will be described by the operation of the above apparatus.

先ず、始動時おいては、ドレッサ制御装置12の数値制
御装置にプログラムされたドレッサ3が縦送り位置で砥
石車の非研削部周面に対向し、横送り位置で離れた原位
置にドレッサ3は位置している。そうして、同じく数値
制御装置からのプランジ送り指令信号が入力される駆動
回路からの出力に基づき横送り装置11によりドレッサ3
はプランジ送りをされる。
First, at the time of starting, the dresser 3 programmed in the numerical control device of the dresser control device 12 faces the peripheral surface of the non-grinding portion of the grinding wheel at the vertical feed position, and the dresser 3 is placed at the distant original position at the horizontal feed position. Is located. Then, based on the output from the drive circuit to which the plunge feed command signal from the numerical controller is also inputted, the transverse feed device 11 causes the dresser 3 to operate.
Is plunged.

その結果、ドレッサ3の先端が回転している砥石車2
の非研削部周面8に接触すると、その接触が振動として
振動検出センサ9により検出される。その検出信号はフ
ィルタを介して他の振動成分が除去された上、増幅器に
より増幅されて非研削部比較器に入力され、砥石車周面
接触検知レベルと比較され、ドレッサ3の先端と非研削
部周面8との接触が確認されると、その比較器から接触
信号が数値制御装置及びゲート回路の夫々に送られる
(第2図A状態参照)。
As a result, the grinding wheel 2 in which the tip of the dresser 3 is rotating
When the peripheral surface 8 of the non-ground portion is contacted, the contact is detected as vibration by the vibration detection sensor 9. The detected signal has other vibration components removed through a filter, is amplified by an amplifier and is input to a non-grinding part comparator, is compared with a grinding wheel peripheral surface contact detection level, and is not ground with the tip of the dresser 3. When the contact with the peripheral surface 8 is confirmed, a contact signal is sent from the comparator to each of the numerical control device and the gate circuit (see state A in FIG. 2).

次いで、接触信号が入力されると、数値制御装置から
はドレッサ3の縦送り装置10へトラバース送り指令信号
が、横送り装置11へ切込み指令信号が夫々送られ、ドレ
ッサ3のトラバース送りとトラバース送りの両端での切
込みとが繰返される。
Next, when a contact signal is input, a traverse feed command signal is sent from the numerical control device to the vertical feed device 10 of the dresser 3 and a cut command signal is sent to the lateral feed device 11, respectively, and the traverse feed and traverse feed of the dresser 3 are sent. The cuts at both ends of are repeated.

それと同時に、数値制御装置からの縦送り指令信号か
ら研削部周面域検出器によってトラバース送り中のドレ
ッサ3の先端が砥石車2の研削部周面域にあるか否かが
検出され、ドレッサ3の先端が研削部周面域に入ると研
削部周面域検出信号がゲート回路に送られる。そうし
て、研削部周面域検出信号が入力されるときのみゲート
回路は開かれる。
At the same time, whether or not the tip of the dresser 3 during traverse feeding is in the grinding surface peripheral area of the grinding wheel 2 is detected by the grinding area peripheral surface area detector from the longitudinal feed command signal from the numerical control device. When the tip of the grinding surface enters the grinding surface area, a grinding area detection signal is sent to the gate circuit. Then, the gate circuit is opened only when the grinding portion peripheral surface detection signal is input.

非研削部周面は、研削部周面より突出しているので、
ドレッサ3の先端が非研削部周面に接触して接触信号が
出されていても、研削部周面には接触せず、ドレッサ3
が研削部周面域にあるときは、接触信号は出ない(第2
図B状態参照)。
Since the peripheral surface of the non-ground portion is projected from the peripheral surface of the ground portion,
Even if the tip of the dresser 3 comes into contact with the peripheral surface of the non-ground portion and a contact signal is output, it does not contact the peripheral surface of the ground portion, and the dresser 3
Contact signal is not output when the tool is in the peripheral surface area of the grinding part (second
(See state B in Fig. B).

ドレッサ3のトラバース送りとその両端での切込みと
が繰返されると、やがてドレッサ3は研削部周面7に接
触する。すると、その接触が振動として振動検出センサ
9により検出される。その検出信号はフィルタを介して
他の振動成分が除去された上、増幅器により増幅されて
ゲート回路に入力される。ゲート回路は、前述のように
ドレッサ3がトラバース送り中に研削部周面域にあると
きのみ開き、振動検出センサ9からの検出信号を研削部
比較器に入力するので、その検出信号は、その比較器で
研削周面接触検知レベルと比較されて、ドレッサ3の先
端と研削部周面との接触が確認される(第2図C状態参
照)。
When the traverse feeding of the dresser 3 and the cutting at both ends thereof are repeated, the dresser 3 eventually contacts the peripheral surface 7 of the grinding portion. Then, the contact is detected as vibration by the vibration detection sensor 9. Other detected vibration components are removed from the detected signal through a filter, and then amplified by an amplifier and input to a gate circuit. As described above, the gate circuit opens only when the dresser 3 is in the peripheral surface area of the grinding portion during traverse feeding, and the detection signal from the vibration detection sensor 9 is input to the grinding portion comparator. The comparator compares the ground peripheral surface contact detection level to confirm contact between the tip of the dresser 3 and the peripheral surface of the ground portion (see state C in FIG. 2).

すると、その比較器から研削部周面接触信号が数値制
御装置に送られ、その時点において、数値制御装置から
所定回数繰返しのトラバース送りと切込みと指令信号が
出力され、ドレッサ3は、所定回数繰返しのトラバース
送りとその両端での切込みとを行なう。そうして、それ
が完了すると、ドレッサ3は、数値制御装置からの原位
置戻り指令信号により原位置に復帰する。かくして、所
望の砥石車周面の修正作業は完了する。
Then, the grinding part peripheral surface contact signal is sent from the comparator to the numerical control device, and at that time, the numerical control device outputs the traverse feed, the cut and the command signal which are repeated a predetermined number of times, and the dresser 3 repeats the predetermined number of times. Traverse feeding and cutting at both ends. Then, when that is completed, the dresser 3 returns to the original position by the original position return command signal from the numerical controller. Thus, the work for correcting the desired grinding wheel peripheral surface is completed.

[発明の効果] この発明によれば、研削部周面にドレッサが接触した
後に更にドレッサを所定量切込んで研削部周面を削除す
るようにしたので、必要最少限の切込みで、研削によっ
てダメージを受けた研削部周面の切刃を確実に生成でき
るようになる。
[Effect of the Invention] According to the present invention, after the dresser comes into contact with the peripheral surface of the grinding portion, the dresser is further cut by a predetermined amount to delete the peripheral surface of the grinding portion. It becomes possible to reliably generate a cutting edge on the peripheral surface of the ground portion that has been damaged.

またドレッサを非研削部周面に接触させ、接触検出し
た位置を基準にしてドレッサのトラバース送りと切込み
を開始するようにしたので、ドレッサによる修正開始位
置を迅速にかつ的確に検出できるようになる。
Further, the dresser is brought into contact with the peripheral surface of the non-ground portion, and the traverse feed and cutting of the dresser are started based on the contact detected position, so that the correction start position by the dresser can be quickly and accurately detected. .

しかも、ドレッサ先端と砥石車との接触を検出するに
当って、検出ピンによる間接検出のような作業効率の悪
さを避けるべく、ドレッサによる直接検出を用いても、
初めからのトラバース送りを伴なわずプランジで行なう
ので、接触検出時間が短くて効率がよい。しかもプラン
ジ送りによる場合の砥石車の研削部周面に対するドレッ
サによる痕線が避けられ、修正後の研削作業における工
作物の非研削面の品質の劣化を防止し得る。
Moreover, in detecting the contact between the tip of the dresser and the grinding wheel, even if the direct detection by the dresser is used in order to avoid the poor work efficiency such as the indirect detection by the detection pin,
Since the plunge is performed without the traverse feed from the beginning, the contact detection time is short and the efficiency is high. In addition, when the plunge feed is used, it is possible to avoid a scratch line due to the dresser on the peripheral surface of the grinding portion of the grinding wheel, and it is possible to prevent deterioration of the quality of the non-ground surface of the workpiece in the corrected grinding work.

【図面の簡単な説明】[Brief description of drawings]

第1図は、この発明による砥石車周面修正方法を実施す
るドレッサ制御装置を装備した研削盤を示すブロック図
付平面図、 第2図は、この発明による砥石車周面修正方法の作用を
示す説明図である。 1:砥石台、2:砥石車 3:ドレッサ、4:砥石車周面 5:テーブル、6:工作物 7;研削部周面、8:非研削部周面 9:振動検出センサ、10:縦送り装置 11:横送り装置、12:ドレッサ制御装置
FIG. 1 is a plan view with a block diagram showing a grinder equipped with a dresser control device for carrying out the grinding wheel peripheral surface correcting method according to the present invention, and FIG. 2 shows the operation of the grinding wheel peripheral surface correcting method according to the present invention. It is an explanatory view shown. 1: Grindstone base, 2: Grinding wheel 3: Dresser, 4: Grinding wheel peripheral surface 5: Table, 6: Work piece 7; Grinding surface, 8: Non-grinding surface 9: Vibration detection sensor, 10: Vertical Feeding device 11: Lateral feeding device, 12: Dresser control device

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】砥石車の幅より狭い幅の工作物を研削する
砥石車の周面を修正する方法にして、先ずドレッサを段
階的に切込みながらトラバース送りをして非研削部周面
を修正し、ドレッサが砥石車の研削部周面に接触したこ
とが検出されてから更に所定量の切込みとトラバース送
りとをして砥石車周面修正することを特徴とする砥石車
周面修正方法。
1. A method for correcting a peripheral surface of a grinding wheel for grinding a workpiece having a width narrower than that of a grinding wheel. First, a dresser is gradually cut to perform a traverse feed to correct a peripheral surface of a non-ground portion. Then, after detecting that the dresser has come into contact with the peripheral surface of the grinding portion of the grinding wheel, further performing a predetermined amount of cutting and traverse feed to correct the peripheral surface of the grinding wheel.
【請求項2】砥石車の幅より狭い幅の工作物を研削する
砥石車の周面を修正する方法にして、先ずドレッサを砥
石車の非研削部周面に対向させ、それに向ってプランジ
送りをし、ドレッサが非研削部周面に接触した後、ドレ
ッサのトラバース送りを開始し、ドレッサを段階的に切
込んで、ドレッサが砥石車の研削部周面に接触したこと
が検出されるまで切込みとトラバース送りとを繰返して
砥石車周面を修正することを特徴とする砥石車周面修正
方法。
2. A method for correcting a peripheral surface of a grinding wheel for grinding a workpiece having a width smaller than that of the grinding wheel, wherein a dresser is first opposed to a peripheral surface of a non-ground portion of the grinding wheel, and a plunge feed is directed toward the dresser. After the dresser comes into contact with the peripheral surface of the non-grinding part, the traverse feed of the dresser is started, the dresser is gradually cut, and it is detected that the dresser comes into contact with the peripheral surface of the grinding wheel. A grinding wheel peripheral surface correction method characterized in that a grinding wheel peripheral surface is corrected by repeating cutting and traverse feed.
【請求項3】砥石車の幅より狭い幅の工作物を研削する
砥石車の周面を修正する装置にして、砥石車周面を修正
するドレッサと、ドレッサを砥石車周面に対し平行方向
に送る縦送り装置と、ドレッサを砥石車周面に対し垂直
方向に送る横送り装置と、前記縦送り装置及び横送り装
置を駆動する各駆動回路に指令信号を入力する数値制御
装置と、ドレッサと砥石車の非研削部周面及び研削部周
面との接触を検出する接触検出センサと、この接触検出
センサからの検出信号を受け砥石車の非研削部周面及び
研削部周面とドレッサとの接触を識別して前記数値制御
装置に非研削部周面接触信号及び研削部各周面接触信号
を入力する比較器とから構成され、前記数値制御装置
は、砥石修正の始動において先ずドレッサを砥石車の非
研削部周面に接触させるべく原位置からのプランジ送り
指令信号を、前記非研削部周面接触信号を受けたとき繰
返しのトラバース送り指令信号及び切込み指令信号を前
記各駆動回路に入力すると共に、前記研削部周面接触信
号を受けたとき所定量の切込み指令信号及びトラバース
送り指令信号を、この所定量の切込みとトラバース送り
完了後、原位置への戻り指令信号を前記各駆動回路に入
力するようになっている砥石車周面修正装置。
3. A dresser for correcting a peripheral surface of a grinding wheel for grinding a workpiece having a width smaller than that of the grinding wheel, and a dresser for correcting the peripheral surface of the grinding wheel, and the dresser in a direction parallel to the peripheral surface of the grinding wheel. And a vertical feed device for feeding the dresser in a direction perpendicular to the grinding wheel peripheral surface, a numerical control device for inputting a command signal to each drive circuit for driving the vertical feed device and the horizontal feed device, and a dresser And a non-ground portion of the grinding wheel, and a contact detection sensor for detecting contact with the grinding surface, and a non-ground portion of the grinding wheel and a grinding portion peripheral surface of the grinding wheel and a dresser. And a comparator for inputting a non-grinding part peripheral surface contact signal and a grinding part peripheral surface contact signal to the numerical control device to identify the contact with the numerical control device. Contact the non-ground portion of the grinding wheel. Therefore, when the plunge feed command signal from the original position is received, the traverse feed command signal and the cut command signal which are repeated when the non-grinding part peripheral surface contact signal is received are input to the respective drive circuits, and the grinding part peripheral surface contact is made. When a signal is received, a predetermined amount of cut command signal and traverse feed command signal are input, and after the predetermined amount of cut and traverse feed is completed, a grindstone for inputting a return command signal to the original position to each of the drive circuits Vehicle surface correction device.
JP61296622A 1986-12-15 1986-12-15 Method and apparatus for grinding wheel surface correction Expired - Lifetime JP2539802B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61296622A JP2539802B2 (en) 1986-12-15 1986-12-15 Method and apparatus for grinding wheel surface correction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61296622A JP2539802B2 (en) 1986-12-15 1986-12-15 Method and apparatus for grinding wheel surface correction

Publications (2)

Publication Number Publication Date
JPS63150160A JPS63150160A (en) 1988-06-22
JP2539802B2 true JP2539802B2 (en) 1996-10-02

Family

ID=17835928

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61296622A Expired - Lifetime JP2539802B2 (en) 1986-12-15 1986-12-15 Method and apparatus for grinding wheel surface correction

Country Status (1)

Country Link
JP (1) JP2539802B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2772812B2 (en) * 1989-03-01 1998-07-09 株式会社日平トヤマ Grinding wheel repair device for cylindrical whetstone
JP2703507B2 (en) * 1994-10-28 1998-01-26 ロデール・ニッタ株式会社 Polishing equipment

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5210990A (en) * 1975-07-16 1977-01-27 Toyoda Mach Works Ltd Device for detecting shaping completion of grindstone
JPS6190873A (en) * 1984-10-09 1986-05-09 Mitsubishi Heavy Ind Ltd Grinding wheel dressing unit

Also Published As

Publication number Publication date
JPS63150160A (en) 1988-06-22

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