JPS6242755B2 - - Google Patents
Info
- Publication number
- JPS6242755B2 JPS6242755B2 JP57143151A JP14315182A JPS6242755B2 JP S6242755 B2 JPS6242755 B2 JP S6242755B2 JP 57143151 A JP57143151 A JP 57143151A JP 14315182 A JP14315182 A JP 14315182A JP S6242755 B2 JPS6242755 B2 JP S6242755B2
- Authority
- JP
- Japan
- Prior art keywords
- machining
- casting
- width
- cast
- grinder
- 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
Links
- 238000005266 casting Methods 0.000 claims description 48
- 238000003754 machining Methods 0.000 claims description 43
- 238000001514 detection method Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001105 regulatory 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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
【発明の詳細な説明】
本発明は鋳バリ取り作業に於るグラインダの加
工状態を検出する為の装置に係り、特に未加工の
鋳肌面と加工済表面との光沢の差異を検出するこ
とにより加工状態の検出を行う装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for detecting the machining state of a grinder during casting deburring work, and particularly to detecting the difference in gloss between an unprocessed cast surface and a processed surface. The present invention relates to a device for detecting processing conditions.
従来のグラインダ工具による鋳バリ取り加工
は、ほとんどの場合手作業によつて行われてお
り、鋳バリの加工状態の観察は、作業者が目視に
よつて行つていた。しかし鋳仕上げ作業は、一般
に粉塵、騒音等の悪環境下で行われるものであ
り、作業者に対する健康上等の見地からその自動
化が求められている。 In most cases, cast burr removal processing using a conventional grinder tool is carried out manually, and the processing state of cast burrs is visually observed by an operator. However, casting finishing work is generally carried out under adverse environments such as dust and noise, and there is a demand for automation of the work from the health standpoint of the workers.
鋳仕上げ作業の自動化を図る場合には、鋳仕上
げ作業の加工状態を検出する必要があるが、従来
よりたとえばグラインダ駆動モータの負荷を検出
して負荷の変動によつてグラインダの喰込量を推
測する装置や鋳物からの反射光により研削ビビリ
を検出する装置（特公昭52−1307号公報）が知ら
れている。 When attempting to automate casting finishing work, it is necessary to detect the machining status of the casting finishing work, but conventionally, for example, the load on the grinder drive motor is detected and the amount of penetration of the grinder is estimated based on changes in the load. A device for detecting grinding chatter using reflected light from a casting (Japanese Patent Publication No. 1307/1983) is known.
しかし、鋳バリ取り作業において加工状態がど
のような段階に至つているかを検出する装置は従
来知られていない。 However, there has been no known device for detecting what stage the machining state has reached in a casting deburring operation.
従つて本発明の目的は、鋳バリ取り作業におけ
るグラインダによる加工状態がどのような段階に
至つているのかを簡単且つ確実に検出し得るよう
な装置を提供することにあり、その要旨とする拠
が、鋳物表面からの反射光を受光する光検出手段
と、反射光の光量によつて加工痕の幅を検出する
幅検出手段と、検出した幅と所定の基準値とを比
較して鋳バリのみの加工状態か、鋳バリ根元部の
加工状態か、又は鋳肌表面をも加工している状態
かの判断を行う加工状態判定手段とを具備してな
ることを特徴とする鋳バリ取り作業の加工状態検
出装置を提供するものである。 Therefore, an object of the present invention is to provide a device that can easily and reliably detect the stage of machining by a grinder in cast deburring work, and the main purpose thereof is as follows. A light detection means receives the reflected light from the surface of the casting, a width detection means detects the width of the machining mark based on the amount of reflected light, and the detected width is compared with a predetermined reference value to detect the cast burr. Cast burr removal work characterized by comprising a processing state determination means for determining whether the processing state is a chisel processing state, a processing state of the cast burr root part, or a processing state of the casting surface. The present invention provides a machining state detection device.
即ち、鋳物の鋳放し表面（鋳肌）は、微少な凹
凸を有していることから、光が乱反射し光沢のな
い黒褐色の表面を構成している。この鋳肌をグラ
インダ工具によつて研削、研摩すると、その加工
面は平坦な面となり光沢を発し反射率の良い金属
面となる。本発明はこのような研削前後の鋳物表
面の光沢の違い、即ち光の反射率の違いを利用し
て鋳バリの加工状態の検出を行うものである。 That is, since the as-cast surface (casting surface) of the casting has minute irregularities, light is diffusely reflected, forming a dark brown surface with no gloss. When this cast surface is ground and polished using a grinder tool, the processed surface becomes a flat surface, a shiny metal surface with good reflectivity. The present invention detects the machining state of cast burrs by utilizing the difference in gloss of the casting surface before and after grinding, that is, the difference in light reflectance.
検出すべき鋳バリの加工状態としては次の３態
様がある。 There are the following three aspects of the machining state of cast burrs to be detected.
鋳バリのみを加工している状態
鋳バリ根元部を加工している状態
鋳物表面（鋳肌）をも加工している状態
一般に鋳バリの幅は上端部ほど狭く根元部に行
くに従つて広くなる、所謂峰状を形成しており、
加工面即ち加工後の幅を検出することによつて上
記〜のどの状態の加工を行つているかを判断
することができる。又鋳肌面に食い込んで加工し
ている場合には、その加工痕の幅を検出すること
によつてグラインダの喰込量をも検出することが
可能である。 A state in which only the cast burr is being machined A state in which the base of the cast burr is being machined A state in which the casting surface (cast surface) is also being machined Generally, the width of a cast burr is narrower towards the top and wider towards the base. It forms a so-called peak shape,
By detecting the processed surface, that is, the width after processing, it is possible to determine which of the above-mentioned conditions is being processed. In addition, when machining is performed by cutting into the casting surface, it is also possible to detect the amount of bite of the grinder by detecting the width of the machining marks.
第１図は上記のような３つの加工状態を説明す
る為のもので、同図ａは加工表面を平面的に見た
状態に示し、同図ｂは加工表面を断面で見たもの
であり、又同図ｃは加工時の鋳バリと砥石との関
係を側面から見たものである。そして何れの図に
於ても上段が前記の鋳バリのみを加工している
状態を表わし、中段はの鋳バリの根元部を加工
している状態で、下段にはの鋳肌そのものを削
り込んでいる状態を示すものである。上記の３つ
の状態に於る加工痕A1，A2，A3の幅l1，l2，l3
は、図に示すように砥石Ｂが鋳バリＣのみを削つ
ている上段の状態に於ては、鋳バリＣ自体の幅に
一致し、その値は鋳バリの大きさにもよるが例え
ば約３〜５mm程度で、加工痕A1は鋳肌Ｄと比べ
て光沢のある金属面を呈する。砥石Ｂが中段の様
に鋳バリＣの根元部を加工している状態では、加
工痕A2の幅l2は例えば10〜15mm程度である。ま
た、下段の様にグラインダＢが鋳バリＣの根元を
通り越して鋳肌面Ｄに喰い込んで鋳肌自体を加工
している状態に於ては、加工痕A3の幅l3は、グラ
インダの直径、喰込量ｄ、及びグラインダの傾斜
角度αによつて変化し、たとえばグラインダの傾
斜角度αが15゜で180φｍ／ｍのグラインダを使
用した場合、喰込量が0.2〜１mmの範囲で加工痕
の幅l3は30〜50mm程度となる。但しグラインダ工
具としてデイスク型グラインダを使用した場合の
例である。 Figure 1 is for explaining the three machining states mentioned above. Figure a shows the machined surface viewed in plan, and Figure b shows the machined surface in cross section. , and Figure c is a side view of the relationship between the cast burr and the grindstone during machining. In each figure, the upper row shows the state in which only the aforementioned cast burr is being machined, the middle row shows the state in which the root of the cast burr is being worked, and the lower row shows the state in which the casting surface itself is being machined. This indicates the state of being. Widths of machining marks A 1 , A 2 , A 3 in the above three states l 1 , l 2 , l 3
As shown in the figure, in the upper stage where the grinding wheel B is cutting only the cast burr C, it corresponds to the width of the cast burr C itself, and its value depends on the size of the cast burr, but for example, approximately With a thickness of about 3 to 5 mm, the machining mark A1 exhibits a shiny metal surface compared to the casting surface D. When the grindstone B is processing the root portion of the cast burr C as in the middle stage, the width l 2 of the processing mark A 2 is, for example, about 10 to 15 mm. In addition, when the grinder B passes the root of the casting burr C and bites into the casting surface D to process the casting surface itself as shown in the lower row, the width l 3 of the machining mark A 3 is For example, when the inclination angle α of the grinder is 15 degrees and a grinder of 180φm/m is used, the depth of cut is in the range of 0.2 to 1 mm. The width l3 of the machining mark is approximately 30 to 50 mm. However, this is an example in which a disc type grinder is used as the grinder tool.
このようにグラインダによつて削られた加工痕
の幅を検出することによつてグラインダが現在
〜のどの状態で加工作業を行つているかが一目
瞭然に判別でき、又特に加工痕の幅が広い場合に
は、この幅の値からグラインダ工具の鋳肌面への
喰込量が計算できるのである。 By detecting the width of the machining marks made by the grinder in this way, it is possible to clearly determine in what state the grinder is currently performing machining work, and especially when the width of the machining marks is wide. The amount of penetration of the grinder tool into the casting surface can be calculated from this width value.
従つて本発明は上記したグラインダによる加工
痕の幅を光学的に検出し、グラインダが現在上記
の〜のどの状態で鋳仕上げ作業を行つている
か、又グラインダがどの程度鋳肌面に喰い込んで
いるか等の加工状態を明確に検出するものであ
る。 Therefore, the present invention optically detects the width of the machining marks made by the grinder, and determines in which of the above conditions the grinder is currently performing casting finishing work, and to what extent the grinder has bitten into the casting surface. This is to clearly detect processing conditions such as whether or not the material is present.
続いて第２図以下の添付図面を参照して本発明
を具体化した実施例につき詳しく説明する。ここ
に第２図は本発明の一実施例である鋳バリ取り作
業の加工状態検出装置の原理を説明するもので、
同図ａは鋳物とイメージセンサとの配置関係を示
す側面図、ｂは同正面図、ｃは同イメージセンサ
と鋳物加工面に対応したイメージセンサの各画素
に於る出力関係を示すグラフ、第３図は同検出装
置のブロツク図、第４図は鋳肌面に喰い込んで加
工中の砥石と鋳物との関係を示すもので、同図ａ
はその正面図、ｂは側面図、ｃは加工表面の平面
図である。 Next, embodiments embodying the present invention will be described in detail with reference to the accompanying drawings starting from FIG. Here, FIG. 2 explains the principle of a machining state detection device for casting deburring work, which is an embodiment of the present invention.
Figure a is a side view showing the arrangement relationship between the casting and the image sensor, b is a front view of the same, and c is a graph showing the output relationship between the image sensor and each pixel of the image sensor corresponding to the machined surface of the casting. Figure 3 is a block diagram of the same detection device, and Figure 4 shows the relationship between the casting and the grinding wheel that bites into the casting surface and is being processed.
is a front view thereof, b is a side view, and c is a plan view of the processed surface.
第２図に於て、１は光検出素子で投光器２から
鋳物表面３に向けて照射された光４の鋳物表面か
らの反射光５を受光するもので、たとえば64〜
2048個の画素を有する一次元配列のイメージセン
サ等によつて構成されている。このようなイメー
ジセンサの構造はCCD（charge coupled
device）やMOS、フオトダイオードアレー、フ
オトトランジスターアレー、IVT等がある。各画
素６，６………は、受光する光量に応じて出力値
が変化し、鋳物面からの反射光量が多い程出力が
高くなる。鋳物の表面のうちグライダで研削され
ていない部分は、細い凹凸を有する鋳肌面Ｄであ
るから反射光は四方に散乱し、鋳肌面Ｄからの反
射光量が少ない為、鋳肌面の上部に配設した画素
からの出力は小さく、又グラインダ研削による加
工痕Ａは平坦な金属面を呈し、係る金属面からの
反射光量は大きいので加工痕Ａの上部に位置する
画素６からの出力は大きくなり、このような各画
素からの出力値の大小を検出することにより加工
痕の幅を検出し得るものである。 In FIG. 2, reference numeral 1 denotes a photodetection element that receives reflected light 5 from the casting surface of the light 4 irradiated from the projector 2 toward the casting surface 3. For example, 64 to
It is composed of a one-dimensional array of image sensors having 2048 pixels. The structure of such an image sensor is a CCD (charge coupled
device), MOS, photodiode array, phototransistor array, IVT, etc. The output value of each pixel 6, 6, . . . changes depending on the amount of light it receives, and the output increases as the amount of light reflected from the casting surface increases. The part of the surface of the casting that is not ground by the glider is the casting surface D, which has thin irregularities, so the reflected light is scattered in all directions. The output from the pixel 6 located above the processing mark A is small, and the processing mark A due to grinding with a grinder presents a flat metal surface, and the amount of reflected light from the metal surface is large, so the output from the pixel 6 located above the processing mark A is By detecting the magnitude of the output value from each pixel, the width of the machining mark can be detected.
このような加工痕の幅を検出する回路は第３図
に示される。この場合、鋳物表面３からの反射光
を受けた光検出用画素を含む光検出回路７は反射
光量に応じた出力を増幅回路８に送り、増幅され
た出力値と基準値設定回路９からの設定出力とを
比較回路１０に於て比較し、その差の分の出力を
判断回路１１に送出する。判断回路１１に於て
は、増幅回路８からの出力値W1が基準値設定回
路９からの出力値W2よりも大きい場合に、反射
光を受けた部分の鋳物表面が加工痕Ａの部分であ
ると判断して、ハイレベルの出力を演算回路１２
に送出する。又逆に基準値W2よりも検出値W1の
方が小さいと判断した場合には演算回路１２への
出力をローレベルにする。第３図に示した機器構
成に於ては増幅回路８、比較回路１０、判断回路
１１が画素の数だけ設けられているが、これらの
回路を共通にして各画素からこれらの共通回路に
時分割でそれぞれの画素の出力を取り込むように
なしても良い。演算回路１２に於ては、出力がハ
イレベルである判断回路の数を算出しその数値に
応じた出力をモニターや他の制御系よりなる外部
回路１３に送出する。従つてこの演算回路からの
出力値が加工痕の幅に対応する。外部回路１３は
演算回路１２からの出力値を加工痕の幅に対応す
る数値に変換してデイスプレー装置等によつて表
示したり、演算回路１２からの出力によつて鋳バ
リのみの加工状態か、鋳バリ根元部の加工状態
か、又は鋳肌表面をも加工している状態であるか
のいずれかの状態であることを表示する。このよ
うな判断は演算回路１２からの出力値を上記３つ
の状態に対応した基準値と比較して判断する。又
外部回路１３がマニプレータやロボツトの腕部に
対するグラインダの取り付け角度を可変とするサ
ーボモータ等の制御系と連結されている場合に
は、上記演算回路１２からの出力がある設定され
た上限値と下限値の間にあるようにサーボモータ
を自動制御し、加工状態を一定に保つように制御
しても良い。 A circuit for detecting the width of such machining marks is shown in FIG. In this case, the photodetection circuit 7 including the photodetection pixel that receives the reflected light from the casting surface 3 sends an output corresponding to the amount of reflected light to the amplifier circuit 8, and the amplified output value and the reference value setting circuit 9 output the amplified output value. The comparison circuit 10 compares the set output with the set output, and sends an output corresponding to the difference to the determination circuit 11. In the judgment circuit 11, if the output value W1 from the amplifier circuit 8 is larger than the output value W2 from the reference value setting circuit 9, the part of the casting surface that received the reflected light has the machining mark A. , and outputs a high level output to the arithmetic circuit 12.
Send to. Conversely, when it is determined that the detected value W 1 is smaller than the reference value W 2 , the output to the arithmetic circuit 12 is set to low level. In the equipment configuration shown in Fig. 3, there are as many amplifier circuits 8, comparison circuits 10, and judgment circuits 11 as there are pixels. The output of each pixel may be taken in by division. The arithmetic circuit 12 calculates the number of judgment circuits whose output is at a high level, and sends an output corresponding to the calculated value to an external circuit 13 consisting of a monitor or other control system. Therefore, the output value from this arithmetic circuit corresponds to the width of the machining mark. The external circuit 13 converts the output value from the arithmetic circuit 12 into a numerical value corresponding to the width of the machining mark and displays it on a display device, etc., or displays the machining status of only cast burr based on the output from the arithmetic circuit 12. This indicates that the machine is processing the base of the cast burr, or that the surface of the casting surface is also being machined. Such a determination is made by comparing the output value from the arithmetic circuit 12 with reference values corresponding to the above three states. Furthermore, if the external circuit 13 is connected to a control system such as a manipulator or a servo motor that changes the attachment angle of the grinder to the arm of the robot, the output from the arithmetic circuit 12 may be set to a certain upper limit value. The servo motor may be automatically controlled to keep the machining state constant between the lower limit values.
更に又、上記外部回路に於ては鋳肌面へのグラ
インダの喰込深さを一定に保つような制御をなす
こともできる。これは第４図に示すように、砥石
２の鋳肌面Ｄへの喰込深さｄは、前記したように
砥石の外径と砥石の鋳肌面に対する角度αが決ま
り、喰込深さｄが決定されると、加工痕の幅ｌが
一義的に決まることによる。即ち、上記したよう
なイメージセンサ等の光検出素子からの信号によ
つて、加工痕の幅を検出すると、砥石の外径と角
度αより砥石の喰込深さ即ち研削深さｄが自動的
に検出される。従つて、上記演算回路１２からの
出力値が予め設定された上限値と下限値の間に入
るように砥石Ｂの鋳肌面に対する角度αをサーボ
モータ等によつて制御すれば、研削深さｄをある
一定の幅に自動的に規制できるものである。上記
したようなイメージセンサ等は一次元配例のもの
を使用でき、加工痕を検出する為に砥石の後部を
覆う砥石カバー等に取り付けることが可能であ
り、イメージセンサの大きさと加工痕の大きさを
整合させる為に、イメージセンサの前部にレンズ
等の集光装置を設ける如くなしても良い。 Furthermore, the external circuit can perform control to maintain a constant depth of penetration of the grinder into the casting surface. As shown in Fig. 4, the depth d of the grinding wheel 2 into the casting surface D is determined by the outer diameter of the grinding wheel and the angle α between the grinding wheel and the casting surface D, as described above. This is because when d is determined, the width l of the machining mark is uniquely determined. That is, when the width of the machining mark is detected by a signal from a photodetection element such as an image sensor as described above, the depth of the grinding wheel, that is, the grinding depth d, is automatically determined based on the outer diameter of the grinding wheel and the angle α. detected. Therefore, if the angle α of the grinding wheel B with respect to the cast surface is controlled by a servo motor or the like so that the output value from the arithmetic circuit 12 falls between the preset upper and lower limits, the grinding depth can be adjusted. d can be automatically regulated to a certain width. The image sensor etc. mentioned above can be used in a one-dimensional arrangement, and can be attached to a grinding wheel cover that covers the rear of the grinding wheel in order to detect machining marks, and the size of the image sensor and the size of the machining marks In order to match the brightness, a light condensing device such as a lens may be provided in front of the image sensor.
本発明は以上述べた如く鋳物表面からの反射光
を受光する光検出手段と、反射の光量によつて加
工痕の幅を検出する幅検出手段と、検出した幅と
基準値とを比較して鋳バリのみの加工状態が、鋳
バリ根元部の加工状態か、又は鋳肌表面をも加工
している状態かの判断を行う加工状態判定手段と
を具備してなることを特徴とする鋳バリ取り作業
の加工状態検出装置であるから、加工痕の幅を検
出できるのみならず、鋳バリ取り作業の加工状態
がどの段階に至つているのかを直接検出すること
ができるので、作業者の目視による作業と同様の
臨機応変の制御が可能となり、しかも作業者はマ
ニプレータ等による遠隔操縦をする場合に於ても
目視による作業と同様の高度の追従性を得ること
ができ、遠隔操縦に特有の疲労を感じることな
く、しかも美しい加工面を得ることができるもの
である。 As described above, the present invention includes a light detection means that receives reflected light from the surface of a casting, a width detection means that detects the width of a machining mark based on the amount of reflected light, and a comparison between the detected width and a reference value. A cast burr characterized by comprising a machining state determination means for determining whether the machining state of only the cast burr is a machining state of the root part of the cast burr, or a state in which the cast surface surface is also machined. Since it is a machining state detection device for deburring work, it can not only detect the width of machining marks, but also directly detect the stage at which the deburring work has reached. It is possible to perform flexible control similar to when working with a manipulator, and when using a manipulator or the like to perform remote control, the worker can obtain the same level of followability as when working visually, which is unique to remote control. It is possible to obtain a beautiful machined surface without feeling fatigued.
第１図は鋳バリ取り作業におけるグラインダに
よる加工状態を説明する為のもので、同図ａは加
工表面の平面図、同図ｂは加工表面の断面図、又
同図ｃは加工時の鋳バリと砥石との関係を示す側
面図、第２図は本発明の一実施例である鋳バリ取
り作業の加工状態検出装置の原理を説明するもの
で、同図ａは鋳物とイメージセンサとの配置関係
を示す側面図、ｂは同正面図、ｃは同イメージセ
ンサと鋳物加工面に対したイメージセンサの各画
素に於る出力関係を示すグラフ、第３図は同検出
装置のブロツク図、第４図は鋳肌面に喰い込んで
加工中の砥石と鋳物との関係を示すもので、同図
ａはその正面図、ｂは側面図、ｃは加工面の平面
図である。
（符号の説明）、１……光検出素子、２……投
光器、３……鋳物表面、６……画素、７……光検
出回路、１２……演算回路、１３……外部回路、
Ａ……加工痕、Ｂ……砥石（グラインダ）、Ｃ…
…鋳バリ、Ｄ……鋳肌面。
Figure 1 is for explaining the machining state using a grinder during casting deburring work. Figure a is a plan view of the machined surface, figure b is a sectional view of the machined surface, and figure c is a Fig. 2 is a side view showing the relationship between the burr and the grindstone, and is used to explain the principle of a machining state detection device for casting burr removal work, which is an embodiment of the present invention. Fig. 3 is a side view showing the arrangement relationship, b is a front view of the same, c is a graph showing the output relationship of each pixel of the image sensor with respect to the processed surface of the casting, and Fig. 3 is a block diagram of the detection device. FIG. 4 shows the relationship between the casting and the grindstone that is being worked by biting into the casting surface; FIG. (Explanation of symbols), 1...Photodetection element, 2...Light emitter, 3...Casting surface, 6...Pixel, 7...Photodetection circuit, 12...Arithmetic circuit, 13...External circuit,
A...Machining marks, B...Whetstone (grinder), C...
...casting burr, D...casting surface.
Claims (1)
と、反射光の光量によつて加工痕の幅を検出する
幅検出手段と、検出した幅と所定の基準値とを比
較して鋳バリのみの加工状態か、鋳バリ根元部の
加工状態か、又は鋳肌表面をも加工している状態
かの判断を行う加工状態判定手段とを具備してな
ることを特徴とする鋳バリ取り作業の加工状態検
出装置。1. A light detection means that receives reflected light from the casting surface, a width detection means that detects the width of machining marks based on the amount of reflected light, and compares the detected width with a predetermined reference value to detect only cast burrs. A method for removing cast burrs, comprising a processing state determining means for determining whether the processing state is the processing state of the cast burr root, the processing state of the cast burr root, or the processing state of the casting surface. Machining status detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57143151A JPS5937049A (en) | 1982-08-18 | 1982-08-18 | Process of sensing machined condition for cast finishing work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57143151A JPS5937049A (en) | 1982-08-18 | 1982-08-18 | Process of sensing machined condition for cast finishing work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5937049A JPS5937049A (en) | 1984-02-29 |
| JPS6242755B2 true JPS6242755B2 (en) | 1987-09-09 |
Family
ID=15332108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57143151A Granted JPS5937049A (en) | 1982-08-18 | 1982-08-18 | Process of sensing machined condition for cast finishing work |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5937049A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6161149U (en) * | 1984-09-25 | 1986-04-24 | ||
| JPS6178557U (en) * | 1984-10-30 | 1986-05-26 | ||
| JPS61241063A (en) * | 1985-03-13 | 1986-10-27 | Kobe Steel Ltd | Control method for grinder finishing device |
| JPS62124868A (en) * | 1985-11-26 | 1987-06-06 | Kobe Steel Ltd | Control method for grinder finishing device |
| JPH04191188A (en) * | 1990-11-27 | 1992-07-09 | Hitomi Shimada | Waterborne floating structure integrally incorporating fish reef |
| JP6498142B2 (en) * | 2016-03-18 | 2019-04-10 | 三菱日立パワーシステムズ株式会社 | Polishing apparatus and polishing method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521307A (en) * | 1975-06-24 | 1977-01-07 | Nissan Motor Co Ltd | Gas engine |
-
1982
- 1982-08-18 JP JP57143151A patent/JPS5937049A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS521307A (en) * | 1975-06-24 | 1977-01-07 | Nissan Motor Co Ltd | Gas engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5937049A (en) | 1984-02-29 |
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