JPS6391252A - Registering method of offset printer and its device - Google Patents
Registering method of offset printer and its deviceInfo
- Publication number
- JPS6391252A JPS6391252A JP61236751A JP23675186A JPS6391252A JP S6391252 A JPS6391252 A JP S6391252A JP 61236751 A JP61236751 A JP 61236751A JP 23675186 A JP23675186 A JP 23675186A JP S6391252 A JPS6391252 A JP S6391252A
- Authority
- JP
- Japan
- Prior art keywords
- computer
- registration
- marks
- registering
- register
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 13
- 238000007639 printing Methods 0.000 claims description 11
- 238000007645 offset printing Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000007796 conventional method Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 235000006693 Cassia laevigata Nutrition 0.000 description 2
- 241000522641 Senna Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 229940124513 senna glycoside Drugs 0.000 description 2
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明はオフセット印刷機の見当合せ方法及びその装
置に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to a method and apparatus for registering an offset printing press.
従来の技術
近時オフセット印刷においては、印刷通し枚数の減少に
伴って段取時間の短縮が望まれており、この段取時間に
は版取替、見当合せ1色合せ等の作業が含まれる。Conventional technology In modern offset printing, it is desired to shorten the setup time as the number of print runs decreases, and this setup time includes tasks such as plate changes, registration, and one-color matching. .
これらの作業のうち見当合せの時間を短縮するものとし
て従来各種の方法が提案されているが、その典形的なも
のとしてはWJ6図に示すようなものがあり、これにつ
きその概要を説明する。Various methods have been proposed in the past to shorten the registration time in these operations, but the typical one is the one shown in Figure WJ6, and we will provide an overview of this method. .
この方法においては1版胴30,31に装着する刷版3
2.33に予め見当合せ用マーク34゜35を焼込み、
このマーク34.35の位置を印刷前の低速回転中に光
学的センサ36,37で読取り1版胴32の見当pl整
装置38を介してノソルスモータ39.40によって版
胴の天地、左右、ひねり調整を行なおうとするものであ
る。なお41.42.48は近接スイッチを示す。In this method, the printing plate 3 mounted on the first plate cylinder 30, 31
2. Burn registration marks 34°35 into 33 in advance,
The position of this mark 34, 35 is read by optical sensors 36, 37 during low-speed rotation before printing, and the top, bottom, left and right, and twist adjustment of the plate cylinder is adjusted by the nosol motor 39, 40 via the register adjustment device 38 of the first plate cylinder 32. This is what we are trying to do. Note that 41, 42, and 48 indicate proximity switches.
発明が解決しようとする間趙点
しかしながらこのような方法においては、センサ36,
37の取付位置の精度を着るしく高いものとしなければ
ならず、現在までに満足のできるものが提供されていな
い。However, in such a method, the sensor 36,
The accuracy of the mounting position of 37 must be made to be suitably high, and to date, no satisfactory one has been provided.
この発明は前記のような従来の見当合せ方法のもたらす
欠点を排除し、精度の高い取付位置をl1tlilされ
る見当マーク読取用光学センナを必要とすることなく、
シかも正確な見当合せがなされる見当合せ方法及びその
装置を提供することを目的とするものである。The present invention eliminates the disadvantages of the conventional registration method as described above, and eliminates the need for an optical sensor for reading registration marks that can be used to accurately determine the mounting position.
It is an object of the present invention to provide a registration method and device that can achieve accurate registration.
間組点を解決するための手段
この発明は前記のような目的を達成するにつき、各色剤
刷版の互いに重複しない位置に各色毎の見当マークを書
込み、これらの刷版による校正刷りをテーブル上に載置
して、各見当マークの中心位置をコンピュータに記憶し
て校正刷りを取去り、ついでこのテーブルに試刷りを載
置して、その見当マークの中心位置を求め、その中心間
の位置的関係と先に記憶した見当マークの中心の位置的
関係とをコンピュータによって比較してその偏差値を求
め、この偏差値を修正するようにコンピュータにより見
当調整装置を作動することを特徴とするものである。Means for Solving Interset Points In order to achieve the above-mentioned object, the present invention writes register marks for each color in positions that do not overlap with each other on each color printing plate, and prints a proof print using these printing plates on a table. Place the test print on the table, store the center position of each register mark in the computer, remove the proof print, then place the test print on this table, find the center position of the register mark, and calculate the position between the centers. A computer compares the relationship with a previously stored positional relationship between the centers of the register marks to obtain a deviation value, and the computer operates a register adjustment device to correct this deviation value. be.
さらにこの発明は前記のような目的を達成するにつき、
その見当合せ装置はテーブル及びその上方において水平
方向に移動可能に設置された画像入力用カメラを有する
機台と、印刷機の見当調整装置と、コンピュータとを具
え、コンピュータは前記カメラから入力される校正刷り
の各色見当マークの中心位置情報を記憶し、さらに同カ
メラから入力される試刷りの各色見当マークの中心位置
情報をこの記憶情報と比較して、その偏差値を求めてこ
の偏差値情報により見当調整装置を該偏差値を修正する
ように作動するようになっていることを特徴とするもの
である。Furthermore, this invention achieves the above objects,
The registration device includes a table and a machine base having an image input camera installed horizontally movably above the table, a registration adjustment device for a printing press, and a computer, and the computer receives input from the camera. The center position information of each color register mark on the proof print is stored, and the center position information of each color register mark on the test print inputted from the same camera is compared with this stored information, the deviation value is calculated, and this deviation value information is stored. According to the present invention, the register adjustment device is operated to correct the deviation value.
実施例
第1図にはこの発明の実施例の概略が示されており、こ
の実施例にあっては1機台l上の起立部3と直角方向の
両側に1対の案内レール8が設けられ、このレール8上
をY軸方向に移動する両端を有する支持部材9がテーブ
ル2の上方に設けられ、1対の画像入力用カメラIs#
−iこの支持部材9に旧ってX軸方向に移動可能に設置
されている。Embodiment FIG. 1 shows an outline of an embodiment of the present invention, and in this embodiment, a pair of guide rails 8 are provided on both sides of the upright portion 3 on one machine l in a direction perpendicular to it. A support member 9 having both ends movable on the rail 8 in the Y-axis direction is provided above the table 2, and a pair of image input cameras Is#
-i It is previously installed on this support member 9 so as to be movable in the X-axis direction.
そして支持部材9にはカメラ5を個別にX軸方向に移動
するための1対の第1パルスモータ6が、また支持部材
9をY軸方向に移動するための第2ノ臂ルモータ7がそ
れぞれ設置されている。The support member 9 is provided with a pair of first pulse motors 6 for individually moving the camera 5 in the X-axis direction, and a second armature motor 7 for moving the support member 9 in the Y-axis direction. is set up.
第1図に示すコンピュータ21において、23はカメラ
5からの情報処理部であり、24は処理部23からの情
報を入力してその入力情報に基いて、見当調整装置22
を作動する記憶部。In the computer 21 shown in FIG. 1, 23 is an information processing unit from the camera 5, and 24 is an information processing unit that inputs information from the processing unit 23, and based on the input information, register adjustment device 22
A storage unit that operates.
比較部及び演算部からなる制御部を示し、25は制御動
作を監視するモニタテレビを示す。A control section consisting of a comparison section and a calculation section is shown, and 25 is a monitor television that monitors control operations.
見当調整装置22は前記従来の調整装置38と全く同様
のもので差支えないので、その細部についての説明は省
略する。The register adjustment device 22 may be completely similar to the conventional adjustment device 38, so detailed explanation thereof will be omitted.
前記の見当合せ装置により行う見当合せ方法について説
明する。A registration method performed by the above-mentioned registration device will be explained.
第5図に4色機においてこの見当合せ方法に使用する、
見当マークの1例が示され、26.27゜28.29は
それぞれすみ版、あい版、ぺに版及び置版に焼付けられ
るものであって、印刷物に刷込まれた際重ね桐りになる
ことがないように6異る位置となっている。Figure 5 shows the method used for this registration method in a four-color machine.
An example of the register mark is shown, and 26.27° and 28.29 are those printed on the corner plate, the center plate, the peni plate, and the set plate, respectively, and when printed on printed matter, they become double paulownia. There are 6 different positions to ensure that nothing happens.
このような見当マーク26.27,28.29が焼付け
られた4つの各色用刷版によって刷上げられた校正刷り
をテーブル2上に載置し、見当マーク26,27.28
.29が視野に入るように、案内レール8に浴う支持部
材9の移動及び支持部材9に沿うカメラ5のX軸又はY
軸方向への移動により、見当マーク26.27,28.
29を読取ってその中心位置を求めてこれを処理部23
に入力し、そしてそのうちから選ばれた任意のたとえば
見当マーク26の中心と、他の見当マーク27.28.
29の中心との間の位置的関係を制御部24に記憶する
。A proof sheet printed by the four printing plates for each color on which the register marks 26, 27, 28, 29 are printed is placed on the table 2, and the register marks 26, 27, 28 are printed on the table 2.
.. The movement of the support member 9 on the guide rail 8 and the X-axis or Y-axis of the camera 5 along the support member 9 so that 29 is in the field of view.
Due to the axial movement, the register marks 26, 27, 28 .
29 is read, its center position is determined, and this is processed by the processing unit 23.
and any selected one, for example, the center of the register mark 26 and the other register marks 27, 28, .
29 is stored in the control unit 24.
ついで校正刷りをテーブル2から取去って。Then remove the proof from table 2.
その代りに試刷りをテーブル2にのせ、その見当マーク
26’、27’、28’、29’(図示せず)をカメラ
5の視野に入るように手操作でノRルスモータを駆動
して試刷りを移動させる。このようにしてカメラ5で見
当マーク26’、 27’、 2 B’、 2G’の中
心位置を求め、以下見当マーク26,27,28゜29
に対してと全く同様の処理がなされて、見当マーク26
′の中心と、他の見当マーク27′。Instead, place the test print on the table 2 and manually drive the Nors motor so that the register marks 26', 27', 28', and 29' (not shown) are in the field of view of the camera 5. Move the print. In this way, the center positions of the register marks 26', 27', 2 B', and 2G' are determined using the camera 5, and the following register marks 26, 27, 28°29
The same process as for register mark 26 is performed.
' center and the other register mark 27'.
28’、29’の中心との位置的関係が制御部24に入
力され、これと見当マーク26,27,28,29とに
おけるさきに記憶された位置的関係とが制御部24で比
較されて、両者間の偏差量が求められる。The positional relationship between the centers of 28' and 29' is input to the control unit 24, and the control unit 24 compares this with the previously stored positional relationship between the register marks 26, 27, 28, and 29. , the amount of deviation between the two is determined.
このようにして求められた偏差値信号を、制御部24か
も見当調整装置22に出力され、この見当調整装置22
はこの信号により、従来のものと同様にして版胴に天地
、左右、ひねり調整を行う。The deviation value signal obtained in this manner is output from the control section 24 to the register adjustment device 22.
Based on this signal, the plate cylinder is adjusted vertically, horizontally, and torsionally in the same manner as in the conventional system.
発明の効果
この発明は前記のようであって、テーブル上に校正刷り
を載置して各見当マークの中心間の関係位置をコンピュ
ータに記載し、ついで試刷りを同テーブル上に載置して
、この試刷り上の各見当マークの中心間の関係位置をコ
ンピュータに入力して、前記校正刷りの見当マークの中
心間の関係位置とを比較して、その偏差量を計算し、こ
のようにしてNt算された偏差値に基づく信号をコンピ
ュータから印刷機の見当調整装置に入力してこれを作動
して見当合せをするものであるため、従来見当合せに必
要とされた見当マーク読取用センサを設ける必要がなり
、シかもそのセンナの取付位置が正確に位置決めされに
くいことにより、従来は正確な見当合せが困難であった
のに比べて、きわめて正確な見当合せができるという効
果がある。Effects of the Invention This invention is as described above, in which a proof print is placed on a table, the relative position between the centers of each registration mark is recorded on a computer, and then a test print is placed on the same table. , input the relative position between the centers of each register mark on this test print into a computer, compare it with the relative position between the centers of the register marks on the proof print, and calculate the amount of deviation. A signal based on the deviation value calculated by Nt is input from the computer to the register adjustment device of the printing press, which is activated to perform registration. This has the effect of allowing extremely accurate registration, compared to the conventional method in which accurate registration was difficult due to the need to provide a senna and the difficulty in accurately positioning the senna.
#I1図はこの発明の実施例の概略図、第2図は同上の
ものの機台の斜面図、第3図は同上の平面図、第4図は
同上の正面図、第5図は見当マークの配置図、第6図は
従来の見当合せ装置の斜面図である。
l・・・機台2・・・テーブル
5・・・画像入力用カメラ 21・・・コンピュータ
22・・・見当1tui装置
26.27.28.29・・・校正刷り上の見当マーク
特許出願人 住友重機械工業株式会社
第3図
、3
第4図#I1 is a schematic diagram of an embodiment of the invention, Figure 2 is a slope view of the machine base of the same as above, Figure 3 is a plan view of the same as above, Figure 4 is a front view of the same as above, and Figure 5 is a register mark. FIG. 6 is a perspective view of a conventional registration device. l...Machine 2...Table 5...Camera for image input 21...Computer 22...Register 1tui device 26.27.28.29...Register mark on proof sheet Patent applicant Sumitomo Heavy Industries Ltd. Figure 3, 3 Figure 4
Claims (1)
いに重ならない位置となるように該見当マークを各色毎
の刷版に書込み、これらの刷版を使用して印刷した校正
刷りをテーブル上に載置して各見当マークの中心の位置
をコンピュータに記憶して校正刷りを取去り、ついで前
記テーブル上に試刷りを載置してこの試刷り上の各色の
見当マークの中心の位置を求め、コンピュータによりそ
の見当マークの中心間の位置的関係と、前記コンピュー
タに記憶した対応見当マークの中心の位置的関係とを比
較して、その偏差値を求め、この偏差値を修正するよう
にコンピュータから印刷機の見当調整装置に修正信号を
出力することを特徴とするオフセット印刷機の見当合せ
方法。 2、表面に印刷物載置用テーブルを有し、その上方にお
いて、水平方向に移動可能に設置された画像入力用カメ
ラを有する機台と、印刷機の見当調整装置と、コンピュ
ータとを具え、前記コンピュータは前記カメラから入力
する校正刷りの各色見当マークの中心位置情報を記憶す
る記憶部と、同カメラから入力する試刷りの各色見当マ
ークの中心位置情報を、前記記憶情報と対比してその偏
差値信号を出力する比較演算部とを有し、前記見当調整
装置は前記偏差値信号を入力して当該版胴の位置調整を
行うようになつていることを特徴とするオフセット印刷
機の見当合せ装置。[Scope of Claims] 1. In multicolor printed matter, registration marks for each color are written on printing plates for each color so that the registration marks do not overlap each other, and proofs are printed using these printing plates. Place the print on the table, store the center position of each register mark in the computer, remove the proof print, then place the test print on the table and check the position of each color register mark on the test print. The position of the center is determined, and the computer compares the positional relationship between the centers of the register marks with the positional relationship between the centers of the corresponding register marks stored in the computer to determine the deviation value. A registration method for an offset printing press, characterized in that a computer outputs a correction signal to a registration adjustment device of the printing press so as to correct the registration. 2. A machine base having a table for placing printed matter on its surface and having an image input camera installed above the table so as to be movable in the horizontal direction, a registration adjustment device for the printing machine, and a computer; The computer includes a storage unit that stores information on the center position of each color register mark on the proof print input from the camera, and compares the center position information of each color register mark on the test print input from the same camera with the stored information to determine the deviation thereof. a comparison calculation unit that outputs a value signal, and the register adjustment device inputs the deviation value signal to adjust the position of the plate cylinder. Device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61236751A JPS6391252A (en) | 1986-10-03 | 1986-10-03 | Registering method of offset printer and its device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61236751A JPS6391252A (en) | 1986-10-03 | 1986-10-03 | Registering method of offset printer and its device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6391252A true JPS6391252A (en) | 1988-04-21 |
Family
ID=17005250
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61236751A Pending JPS6391252A (en) | 1986-10-03 | 1986-10-03 | Registering method of offset printer and its device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6391252A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0433546U (en) * | 1990-07-13 | 1992-03-18 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5850938B2 (en) * | 1976-03-29 | 1983-11-14 | 株式会社日立製作所 | Optical fiber manufacturing method and nozzle for optical fiber manufacturing |
JPS6184259A (en) * | 1984-10-01 | 1986-04-28 | Toshiba Corp | Type-selecting method for intaglio offset printer |
-
1986
- 1986-10-03 JP JP61236751A patent/JPS6391252A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5850938B2 (en) * | 1976-03-29 | 1983-11-14 | 株式会社日立製作所 | Optical fiber manufacturing method and nozzle for optical fiber manufacturing |
JPS6184259A (en) * | 1984-10-01 | 1986-04-28 | Toshiba Corp | Type-selecting method for intaglio offset printer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0433546U (en) * | 1990-07-13 | 1992-03-18 |
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