JPH048178B2 - - Google Patents
Info
- Publication number
- JPH048178B2 JPH048178B2 JP62240788A JP24078887A JPH048178B2 JP H048178 B2 JPH048178 B2 JP H048178B2 JP 62240788 A JP62240788 A JP 62240788A JP 24078887 A JP24078887 A JP 24078887A JP H048178 B2 JPH048178 B2 JP H048178B2
- Authority
- JP
- Japan
- Prior art keywords
- tool
- polishing
- tools
- machining
- work
- 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
- 238000003754 machining Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 7
- 238000003672 processing method Methods 0.000 claims 1
- 238000005498 polishing Methods 0.000 description 32
- 230000005540 biological transmission Effects 0.000 description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007494 plate polishing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、板面に研磨、研削又は穿孔等の加
工工作を行う方法とその装置に関し、更には、回
動しながら板面を加工する工作具の状態を調整す
る機構に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a method and apparatus for performing machining such as polishing, grinding, or drilling on a plate surface, and further relates to a method and an apparatus for machining the plate surface while rotating. It relates to a mechanism that adjusts the condition of a tool.
（従来の技術）
従来、板面の加工装置としては、第６図に示す
ものが知られており、この装置は、工作具Ａに回
動力を与える駆動伝達系（図示せず）を有する工
作機Ｂと加工材料である板材Ｃを設置する工作台
Ｄとからなり、工作機に適当な送り機構（図示せ
ず）を設けて工作機Ｂを矢印のように板材Ａの前
後左右方向に相対的に移動させ、板材Ａ面に連続
的または間欠的な一連の加工作業を行うものであ
る。(Prior Art) Conventionally, as a plate surface machining device, the one shown in FIG. 6 is known. It consists of a machine B and a workbench D on which a plate C, which is a processing material, is installed.The machine tool is equipped with an appropriate feed mechanism (not shown), and the machine tool B is moved relative to the plate A in the front, rear, left, and right directions as shown by the arrow. A series of continuous or intermittent machining operations are performed on the A side of the plate material.
（発明が解決しようとする問題点）
しかしながら、上記従来の装置はその駆動伝達
系がギヤの噛合による構成となつているので、摩
擦力が大きく耐久性が低くなり、駆動力の伝達性
が低下し、取付スペースの拡大に伴い装置の大型
化と工作具の取付間隔を広くしなければならない
ものとなり、その結果精密な加工作業が困難とな
るものである。そこで、この発明は、上記従来の
ものの欠点を改良するものであり、駆動伝達系を
耐久性あるものとし、駆動力伝達性を向上させ、
しかも、精密加工作業をできるようにしようとす
るものである。(Problems to be Solved by the Invention) However, since the drive transmission system of the above-mentioned conventional device is constructed by meshing gears, the frictional force is large and the durability is low, and the transmission of driving force is reduced. However, as the installation space expands, the equipment becomes larger and the intervals between the installation of tool tools must be widened, making precise machining operations difficult. Therefore, the present invention aims to improve the above-mentioned drawbacks of the conventional system, by making the drive transmission system durable, improving the driving force transmission performance,
Moreover, it is intended to enable precision machining work.
（問題点を解決するための手段）
そのために、複数の工作具を適宜間隔をおいて
並べ、上記工作具を互いに接近離反可能及び又は
各工作具の傾斜角度を変更可能とし、各工作具に
回動を与えながら工作具と板材を前後方向と左右
方向に同時相対的に移動させ、板面上に連続的
に、隣接する工作具の移動軌跡に一部重複する加
工作業を行うものであり、更には、工作具に回動
力を与え、かつ、複数の工作具を並べる複数の工
作機と工作台とを前後方向と左右方向に作動でき
る機構と各工作具の傾斜角度を変更し、及び又は
各工作具の接近離反をする機構とを具える装置と
したものである。(Means for solving the problem) For this purpose, a plurality of tools are arranged at appropriate intervals, the tools can be approached and separated from each other, and/or the inclination angle of each tool can be changed, and each tool is This machine simultaneously moves the work tool and the plate relative to each other in the front-rear direction and left-right direction while applying rotation, and performs machining work continuously on the plate surface, partially overlapping the movement trajectory of the adjacent work tool. , Furthermore, a mechanism that applies rotational force to the tool and can operate a plurality of machine tools and a work table arranging a plurality of tool tools in the front-rear direction and left-right direction, and changes the inclination angle of each tool, and Alternatively, it is a device equipped with a mechanism for approaching and separating each tool.
（作用）
上記構成を具えるので、各工作具の間隔を定め
た上、各工作機の列間の間隔及び又は傾斜角度を
調整した後、各工作具を回動しながら前後方向と
左右方向に移動させ、板面上に所要の加工を施す
ものであり、前後左右方向に工作具と工作台を相
対的に移動させるので加工する板面には、左右方
向と前後方向に連続し、隣接する工作具の移動軌
跡の一部重複した加工が施されることとなり、各
工作具の傾斜角度及び又は、間隔を狭まくして精
密加工ができるとともに、前後左右に工作具を作
動させることができるので、特に研磨、研削にお
いて、十分な加工ができるほか、研磨深さや研磨
圧を変化させることにより、より立体的な模様を
表出させ、板面の研磨面に特有の模様を形成する
こともできるものである。(Function) Since the above configuration is provided, after determining the spacing between each tool, and adjusting the spacing and/or inclination angle between the rows of each machine tool, each tool is rotated in the front-rear direction and left-right direction. The work tool and workbench are moved relative to each other in the front, back, left and right directions, so the board surface to be machined has continuous, adjacent parts in the left and right directions and in the front and rear directions. This results in machining that partially overlaps the movement trajectory of the tool, and precision machining can be performed by narrowing the inclination angle and/or spacing of each tool, and it is also possible to move the tool forward, backward, left, and right. This allows for sufficient processing, especially in polishing and grinding, and by changing the polishing depth and pressure, it is possible to express a more three-dimensional pattern and form a unique pattern on the polished surface of the plate. It is also possible.
（実施例）
この発明を図に示す実施例により詳細に説明す
る。図に示す実施例は、薄板状のアルミ板１の表
面に研磨加工を行なつて模様を形成する加工装置
を示し、工作具としては円柱状の砥石部２１に固
着された取付シヤフト２２とからなる研磨具２が
用いられ、この研磨具２自体は、グラインダー等
の研磨交換部品として従来から用いられるもので
ある。(Example) This invention will be explained in detail with reference to an example shown in the drawings. The embodiment shown in the figure shows a processing device that polishes the surface of a thin aluminum plate 1 to form a pattern. A polishing tool 2 is used, and this polishing tool 2 itself is conventionally used as a polishing replacement part for a grinder or the like.
第１図は、この発明の原理の概略図であり、工
作機３に設けられる駆動伝達系４が示されてい
る。駆動伝達系４は、研磨具２を取付けるため、
工作機３に並列するシヤフト４１とシヤフト４１
に同軸に固定されるギヤ４２と、並列するシヤフ
ト４１の両側に配置された駆動軸４３、従動軸４
４と駆動軸４３、従動軸４４にそれぞれ同軸に固
定された２個のギヤ４５，４６と、２本のエンド
レス状のチエーン４７，４８と、駆動軸４３に連
結されボツクス６の支持枠９７に支承されるモー
タ４９とからなる。シヤフト４１に固定されたギ
ヤ４２は、隣接するシヤフト４１でその固定位置
の軸方向の高さが異なるようになつている。した
がつて、隣接するギヤ４２が重なる状態までシヤ
フト４１，４２の間隔を狭ばめることができ、そ
の状態で研磨具２１を並べて配置することができ
る。上記ギヤ４２の高低差は、駆動軸４３、従動
軸４４の２個のギヤ４５，４６の固定間隔と一致
し、それぞれにチエーン４７，４８が噛合張設さ
れている。 FIG. 1 is a schematic diagram of the principle of the invention, showing a drive transmission system 4 provided in a machine tool 3. FIG. In order to attach the polishing tool 2 to the drive transmission system 4,
Shaft 41 and shaft 41 parallel to machine tool 3
A gear 42 is coaxially fixed to the drive shaft 43 and a driven shaft 4 are arranged on both sides of the parallel shaft 41.
4, two gears 45 and 46 coaxially fixed to the drive shaft 43 and driven shaft 44, two endless chains 47 and 48, and two endless chains 47 and 48 connected to the drive shaft 43 and attached to the support frame 97 of the box 6. It consists of a supported motor 49. The gears 42 fixed to the shafts 41 have different heights in the axial direction at fixed positions on adjacent shafts 41. Therefore, the distance between the shafts 41 and 42 can be narrowed to a state where adjacent gears 42 overlap, and the polishing tools 21 can be arranged side by side in this state. The height difference of the gear 42 corresponds to the fixed interval between the two gears 45 and 46 on the drive shaft 43 and the driven shaft 44, and chains 47 and 48 are meshed with and stretched between the two gears 45 and 46, respectively.
上記駆動伝達系４の構造により、モータ４９が
回転すると、チエーン４７，４８からギヤ４２シ
ヤフト４１を介して研磨具２が回動することとな
り、研磨具２の砥石部２１によつて工作台５に設
置されるアルミ板１を研磨し模様を形成する。こ
こで、第２図、第３図に示す送り機構９により、
研磨具２が前後、左右方向に同時に移動させられ
るから、第５図に示すような模様が蛇行状で連続
し、隣接する研磨具２１の移動軌跡が一部重なり
合うことにより立体的な図形を形成するものであ
る。すなわち、前記駆動伝達系４を内蔵するボツ
クス６を内枠３１に固定し、内枠３１に固定する
軸上のローラ３３を外枠３２に前後横桁３２，３
４上縁に摺動自在に支持して左右方向に移動可能
とし、その上、外枠３２に支持される回転軸９１
とともに回動するカム９２を固定し、カム９２の
一端に取付けたバー９３の他端９６を内枠３１の
側枠に連結し、回転軸９１を定速で回転させるこ
とにより、内枠３１が外枠３２に支持された状態
でボツクス６と共に左右に（特に研磨具の左右間
隔よりも大きい）揺動するものであり、また、上
記回転軸９１の回転に従つて、外枠３２の下部に
設けるローラ９４を回動させ、工作台５の側方に
架設された架台９５上を定速で走行させて前後方
向の移動（隣接する研磨具の移動軌跡が一部重複
できるような移動）を可能とするものである。 Due to the structure of the drive transmission system 4 described above, when the motor 49 rotates, the polishing tool 2 rotates from the chains 47 and 48 via the gear 42 and the shaft 41, and the grindstone portion 21 of the polishing tool 2 rotates the work table 5. A pattern is formed by polishing an aluminum plate 1 installed on the surface. Here, by the feeding mechanism 9 shown in FIGS. 2 and 3,
Since the polishing tool 2 is moved simultaneously in the front, back, left and right directions, the pattern shown in FIG. It is something to do. That is, the box 6 containing the drive transmission system 4 is fixed to the inner frame 31, and the roller 33 on the shaft fixed to the inner frame 31 is attached to the outer frame 32 by the front and rear cross beams 32, 3.
4. A rotary shaft 91 that is slidably supported on the upper edge so as to be movable in the left and right direction, and is further supported by the outer frame 32.
The inner frame 31 is fixed by fixing the cam 92 that rotates with the cam 92, connecting the other end 96 of the bar 93 attached to one end of the cam 92 to the side frame of the inner frame 31, and rotating the rotating shaft 91 at a constant speed. While supported by the outer frame 32, it swings from side to side together with the box 6 (particularly larger than the left-right distance of the polishing tool). The provided roller 94 is rotated and moved at a constant speed on a pedestal 95 installed on the side of the workbench 5 to move in the front-back direction (movement such that the movement trajectories of adjacent polishing tools partially overlap). It is possible.
また、第４図には２列に並列したボツクス６の
前後方向の間隔の調整と研磨具２の板面に対する
傾斜角度の調整機構を示す。すなわち、内枠３１
に回動自在に固定されるネジハンドル１０，１１
が設けられ、ネジハンドル１０の先端には工作台
５上を摺動する案内枠１２の横桁（図示せず）が
固定され、案内枠１２とボツクス６は、ボツクス
６後側面に固定する回動軸１３により連結され、
ネジハンドル１１の先端はボツクス上端縁に当接
し、ネジハンドル１１の前進によりボツクス６は
回動軸１３を軸として回動できるようになつてい
る。 Further, FIG. 4 shows a mechanism for adjusting the distance between the boxes 6 arranged in two rows in the front and back direction and for adjusting the angle of inclination of the polishing tool 2 with respect to the plate surface. That is, the inner frame 31
Screw handles 10, 11 rotatably fixed to
A crossbeam (not shown) of a guide frame 12 that slides on the workbench 5 is fixed to the tip of the screw handle 10, and the guide frame 12 and the box 6 are connected to a turntable fixed to the rear side of the box 6. connected by a moving shaft 13,
The tip of the screw handle 11 is in contact with the upper edge of the box, and the box 6 can be rotated about the rotation shaft 13 by advancing the screw handle 11.
このように、研磨具がアルミ板に対して接近離
反したり傾斜することにより、研磨深さと研磨圧
に変化を生じ、模様に濃淡を形成するから、連続
模様がより立体的に表現されることとなるもであ
る。 In this way, as the polishing tool moves toward and away from the aluminum plate or tilts, the polishing depth and polishing pressure change, creating shading in the pattern, making the continuous pattern more three-dimensional. This is also true.
この実施例であるアルミ板研磨加工装置は上記
構成を具えるので、まず、工作台５上にアルミ板
１を載置し、固定具により固定する。又は真空吸
着、オイルで密着等により固定した後、モータ４
９の駆動によりチエーン４７，４８とギヤ４２の
噛合により研磨具２のシヤフト４１を回動しなが
ら、研磨具２は送り機構９の作動により、左右方
向の揺動と前進方向の移動を行うものであり、研
磨具２はその隣接するシヤフト４１に高低差をも
つて固定されるギヤ４２により間隔を狭くできそ
の間隔より大きい左右揺動で作動できるので、ア
ルミ板１上に例えば第５図に示す一部重複する蛇
行状模様を形成することができ、その研磨具２間
隔と前後左右方向の移動を変化することにより、
更に複雑な模様を形成することができるものであ
る。その上、前後方向２列に並列したボツクス
６，６間の間隔を短縮するには、第４図のよう
に、ネジハンドル１０を回動すると、その回転は
内枠３１に対しネジハンドル杆１４が移動するこ
ととなり、この移動によりこれに連結する一方の
ボツクス６が６′の位置に移動し、他方のボツク
ス６と間隔を短縮することができ、同様に、ネジ
ハンドル１１の回動によりボツクス６の上端縁に
当接してこれを押出し、回動軸１３を軸としてボ
ツクス６が回転することとなつた研磨具２が一定
角度傾斜し、研磨具２の一周縁による模様が形成
される。このアルミ板は、研磨後アルマイト処理
をすることより装飾板として利用できる。５９は
高さ調整用昇降機である。このように研磨箇所を
変位させて加工することにより、異る模様を形成
でき、その加工に当りより精密な加工が可能とな
るものである。左右方向に並置される研磨具２間
の間隔も同様のネジハンドルを用いて調整できる
ことは勿論である。 Since the aluminum plate polishing apparatus of this embodiment has the above configuration, first, the aluminum plate 1 is placed on the workbench 5 and fixed with a fixture. Or, after fixing by vacuum adsorption, oil adhesion, etc., motor 4
9 rotates the shaft 41 of the polishing tool 2 through the engagement of the chains 47, 48 and the gear 42, while the polishing tool 2 swings in the left-right direction and moves in the forward direction by the operation of the feed mechanism 9. The polishing tool 2 can be narrowed by a gear 42 fixed to the adjacent shaft 41 with a difference in height, and can be operated with a horizontal swing larger than the distance. By changing the interval between the two polishing tools and the movement in the front, rear, left and right directions, it is possible to form a partially overlapping serpentine pattern as shown in
It is possible to form even more complex patterns. Moreover, in order to shorten the distance between the boxes 6, 6 arranged in two rows in the front and back direction, when the screw handle 10 is rotated as shown in FIG. This movement causes one box 6 connected to this to move to the 6' position, reducing the distance from the other box 6. Similarly, by rotating the screw handle 11, the box 6 can be moved to the 6' position. The polishing tool 2 contacts and pushes out the upper edge of the polishing tool 2, and the box 6 rotates about the rotation shaft 13.The polishing tool 2 is tilted at a certain angle, and a pattern is formed by one peripheral edge of the polishing tool 2. This aluminum plate can be used as a decorative plate by alumite treatment after polishing. 59 is a height adjustment elevator. By displacing and processing the polished area in this manner, different patterns can be formed, and more precise processing is possible. Of course, the distance between the polishing tools 2 arranged side by side in the left and right direction can also be adjusted using a similar screw handle.
なお、研磨具２の間隔と傾斜角度は必要に応
じ、両者ともにあるいはいずれか一方を調整して
作動できるものである。 Incidentally, the interval and the inclination angle of the polishing tool 2 can be operated by adjusting either or both of them as necessary.
以上、図示実施例の外に、研磨具２を他の工作
具と交換することにより他の加工工作を行うこと
もでき、また、加工台５の固定手段を変更するこ
とにより、板材としてステンレス、合成樹脂、木
板等の適宜厚みをもつものの加工も行うことがで
きる。 In addition to the illustrated embodiment, other machining operations can be performed by replacing the polishing tool 2 with another tool, and by changing the fixing means of the processing table 5, the plate material can be made of stainless steel, It is also possible to process materials with appropriate thickness such as synthetic resins and wooden boards.
（発明の効果）
以上のとおり、この発明は複数配列した工作機
の間隔と各工作具の接近離反、傾斜角度を調整可
能として、しかも、複数列の工作機を前後方向と
左右方向に同時に移動しながら加工するようにし
たので、連続して隣接する工作具の移動軌跡の一
部重複する加工が可能となり、微細な加工ができ
て、その精度を向上でき、全体として立体的模様
を形成できる優れた効果をもつものである。(Effects of the Invention) As described above, this invention makes it possible to adjust the spacing between a plurality of machine tools arranged in a row, the approach and separation of each tool, and the inclination angle, and also allows the plurality of machine tools to be moved simultaneously in the front-back and left-right directions. Since the machining is performed while the machining is performed, it becomes possible to perform machining in which the movement trajectories of adjacent tool tools partially overlap, allowing fine machining to be performed, improving precision, and forming a three-dimensional pattern as a whole. It has excellent effects.
第１図は、この発明の駆動伝達系の概略を示す
斜視図、第２図、第３図は送り機構を示し、第４
図は研磨具の間隔、傾斜角度の調整機構であつ
て、第５図は金属板の表面模様の写真による代用
図面であつて、板面上に形成される模様の１例を
示し、第６図は従来の加工装置を示す。
１……アルミ板、２……研磨具（工作具）、３
……工作機、４……駆動伝達系、５……工作台、
４１……シヤフト、４２……ギヤ、４７，４８…
…チエーン、４９……モータ。
FIG. 1 is a perspective view schematically showing the drive transmission system of the present invention, FIGS. 2 and 3 show the feeding mechanism, and FIG.
The figure shows a mechanism for adjusting the interval and inclination angle of the polishing tools, and FIG. The figure shows a conventional processing device. 1... Aluminum plate, 2... Polishing tool (work tool), 3
... Machine tool, 4 ... Drive transmission system, 5 ... Work table,
41...shaft, 42...gear, 47,48...
...Chain, 49...Motor.
Claims (1)
で、上記工作具を互いに接近離反可能、及び又
は、各工作具の傾斜角度を変更可能にして、各工
作具に回動力を与えながら、工作具と板材を前後
方向と左右方向に相対的に同時に移動させ、板面
上に連続的に、隣接する工作具の移動軌跡に一部
重複する加工作業を行う板面加工方法。 ２ 加工材料である板材を設置する工作台の上方
に回動により板面の加工を行う複数の工作具を適
宜間隔をおいて複数配置して、工作具と上記板材
を前後方向と左右方向に同時に相対移動可能とす
る送り機構と上記工作具を互いに接近離反可能及
び又は、各工作具の傾斜角度を変更可能にする調
整機構を具えた板面加工装置。[Claims] 1. With a plurality of work tools arranged at appropriate intervals, the work tools can be moved toward and away from each other, and/or the inclination angle of each tool can be changed, so that each tool can be A plate surface where the work tool and plate material are moved relatively simultaneously in the front-rear direction and left-right direction while applying rotational force, and machining operations are performed continuously on the plate surface, partially overlapping the movement locus of the adjacent tool. Processing method. 2. A plurality of work tools for machining the board surface by rotation are placed at appropriate intervals above the workbench on which the board material to be processed is installed, and the work tools and the board material are moved in the front-back and left-right directions. A plate surface machining device comprising a feed mechanism that allows relative movement at the same time and an adjustment mechanism that allows the tool tools to move toward and away from each other and/or change the inclination angle of each tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24078887A JPS63251156A (en) | 1987-09-28 | 1987-09-28 | Method and device for processing plate surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24078887A JPS63251156A (en) | 1987-09-28 | 1987-09-28 | Method and device for processing plate surface |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15182586A Division JPS6311264A (en) | 1986-06-30 | 1986-06-30 | Plate surface machining device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63251156A JPS63251156A (en) | 1988-10-18 |
| JPH048178B2 true JPH048178B2 (en) | 1992-02-14 |
Family
ID=17064702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24078887A Granted JPS63251156A (en) | 1987-09-28 | 1987-09-28 | Method and device for processing plate surface |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63251156A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015151325A1 (en) * | 2014-03-31 | 2015-10-08 | クリナップ株式会社 | Metal plate, cupboard and metal plate surface-processing method |
| KR102333209B1 (en) * | 2015-04-28 | 2021-12-01 | 삼성디스플레이 주식회사 | Substrate polishing apparatus |
| CN106827927A (en) * | 2016-12-30 | 2017-06-13 | 惠州市众业科技有限公司 | Metal shell of electronic product decorative pattern processing method |
| IT201900024631A1 (en) * | 2019-12-19 | 2021-06-19 | Biesse Spa | DEBURRING MACHINE FOR FINISHING ELEMENTS OF WOOD, METAL, PLASTIC MATERIAL OR SIMILAR |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5212438A (en) * | 1975-07-17 | 1977-01-31 | Toshiba Corp | Frequency controller for ac-dc co-operation system |
| JPS5723081U (en) * | 1980-07-14 | 1982-02-05 |
-
1987
- 1987-09-28 JP JP24078887A patent/JPS63251156A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5212438A (en) * | 1975-07-17 | 1977-01-31 | Toshiba Corp | Frequency controller for ac-dc co-operation system |
| JPS5723081U (en) * | 1980-07-14 | 1982-02-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63251156A (en) | 1988-10-18 |
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