JPH0472916B2 - - Google Patents
Info
- Publication number
- JPH0472916B2 JPH0472916B2 JP59055573A JP5557384A JPH0472916B2 JP H0472916 B2 JPH0472916 B2 JP H0472916B2 JP 59055573 A JP59055573 A JP 59055573A JP 5557384 A JP5557384 A JP 5557384A JP H0472916 B2 JPH0472916 B2 JP H0472916B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- dotted
- masking
- plate cylinder
- resin masking
- 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
- 230000000873 masking effect Effects 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 21
- 229920005989 resin Polymers 0.000 claims description 21
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000004070 electrodeposition Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 description 21
- 230000002093 peripheral effect Effects 0.000 description 7
- 238000005323 electroforming Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000007639 printing Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F13/00—Common details of rotary presses or machines
- B41F13/08—Cylinders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、一部に貫通孔をまた他の一部に表面
窪みを有する板状体の製造法に係り、特に輪転式
孔版印刷装置の版胴用金属製円筒体の製造に適し
た貫通孔と表面窪みを有する板状体の製造法に係
る。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a method for manufacturing a plate-shaped body having through holes in one part and surface depressions in another part, and particularly relates to a method for manufacturing a plate-shaped body having through holes in one part and surface depressions in the other part, and particularly for manufacturing a plate cylinder of a rotary stencil printing apparatus. The present invention relates to a method for manufacturing a plate-shaped body having a through hole and a surface depression suitable for manufacturing a metal cylinder for use.
発明の背景
単胴式孔版印刷装置に用いられる版胴は、一般
に、支持円筒体として金属製円筒体を含んでお
り、金属製円筒体はインキ通過用の多数の小孔を
有するインキ通過性の多孔構造部と原紙係止手段
を取付けられる小孔を全く有していないインキ不
通過性の無孔部とを有しており、更に印刷インキ
の尻漏れ現象の発生の回避のために前記多孔構造
部と前記無孔部との境界部の外周面に堰要素を有
してしており、この版胴用金属製円筒体は本願出
願人と同一の出願人による特願昭55−126933号
(特開昭57−51482号)に於て既に提案されてい
る。BACKGROUND OF THE INVENTION A plate cylinder used in a single-cylinder stencil printing device generally includes a metal cylinder as a support cylinder, and the metal cylinder has an ink-permeable cylinder having a large number of small holes for ink passage. It has a porous structure part and an ink-impermeable non-porous part having no small holes to which the base paper retaining means can be attached, and furthermore, the porous structure part has a porous structure part and a non-porous part which is impermeable to ink and does not have any small holes to which the base paper retaining means can be attached. It has a weir element on the outer circumferential surface of the boundary between the structural part and the non-porous part, and this metal cylindrical body for the plate cylinder is disclosed in Japanese Patent Application No. 126933/1983 filed by the same applicant as the present applicant. (Japanese Patent Application Laid-Open No. 57-51482) has already been proposed.
前記堰要素は、接着或いはスクリーン印刷等に
より版胴用金属製円筒体の外周面に固着される
が、その固着面が余りにも平滑であると十分な固
定強度が得られるずに剥がれ易く、このため従来
はその固着面を紙やすり等を用いて或る程度にま
で粗面にすることが行われている。 The weir element is fixed to the outer peripheral surface of the metal cylindrical body for the plate cylinder by adhesion or screen printing, but if the fixed surface is too smooth, sufficient fixing strength cannot be obtained and it will easily peel off. Therefore, conventionally, the bonding surface has been roughened to a certain extent using sandpaper or the like.
従つて堰要素の配設のためには堰要素の固着
面、即ち版胴用金属製円筒体の外周面の一部を粗
面化する加工が必要であり、この加工は従来一般
に紙やすり等を用いた手作業により行われてお
り、このため版胴用金属製円筒体の生産性が悪
く、また均一性に優れた粗面を得ることが難し
く、安定した品質の版胴用金属製円筒体を製造す
ることが難しい。 Therefore, in order to arrange the weir element, it is necessary to roughen the fixing surface of the weir element, that is, a part of the outer peripheral surface of the metal cylindrical body for the plate cylinder. Because of this, the productivity of metal cylinders for plate cylinders is low, and it is difficult to obtain a rough surface with excellent uniformity. It is difficult to manufacture the body.
発明の目的
本発明は、インキ通過性の多孔構造部と堰要素
配設用の如き粗面部とを有する版胴用金属製円筒
体を一定品質の下に生産性良く製造することがで
きる貫通孔と表面窪みを有する板状体の製造方法
を提供することを目的としている。Purpose of the Invention The present invention provides a through-hole that allows for the production of a metal cylindrical body for a plate cylinder having a porous structure that allows ink to pass through and a rough surface for disposing a weir element with constant quality and high productivity. The object of the present invention is to provide a method for manufacturing a plate-like body having surface depressions.
発明の構成
上記の目的は、本発明によれば、一部に貫通孔
をまた他の一部に表面窪みを有する板状体の製造
法にして、表面の一部に点在する樹脂マスキング
を施されたマスタ電極上に、樹脂マスキングの部
分にて電解溶出物の電着を制限しつつ電解溶出物
の電着層を成長させ、その際各電着層の成長の度
合と、各点状樹脂マスキングの面積とを調節する
ことにより、面積が大きい点状樹脂マスキングの
部分にて該点状樹脂マスキングの中心部迄電着層
が成長しないことにより前記貫通孔を形成し、面
積が小さい点状樹脂マスキングの部分にて該点状
樹脂マスキングの中心部を覆う迄電着層が成長す
ることにより前記表面窪みを形成することを特徴
とする板状体の製造法によつて達成される。Structure of the Invention According to the present invention, the above object is to provide a method for manufacturing a plate-like body having through holes in some parts and surface depressions in other parts, and to eliminate resin masking dotted on a part of the surface. On the applied master electrode, an electrodeposited layer of the electrolytic eluate is grown while restricting the electrodeposition of the electrolytic eluate at the resin masking part, and at this time, the degree of growth of each electrodeposited layer and the shape of each point are By adjusting the area of the resin masking, the electrodeposited layer does not grow to the center of the dotted resin masking in the part of the dotted resin masking where the area is large, thereby forming the through hole, and the point where the area is small. This is achieved by a method for producing a plate-like body, characterized in that the surface recesses are formed by growing an electrodeposited layer in the portion of the dot-like resin masking until it covers the center of the dot-like resin masking.
発明の効果
本発明により特に版胴用金属製円筒体が製造さ
れるときには、多孔構造部と粗面部とが電鋳によ
り同時に形成されるから、手作業による粗面加工
を必要とせず、これにより版胴用金属製円筒体が
一定品質の下に生産性良く製造され得るようにな
る。Effects of the Invention When a metal cylindrical body for a plate cylinder is manufactured according to the present invention, the porous structure portion and the roughened surface portion are simultaneously formed by electroforming, so there is no need for manual roughening. A metal cylindrical body for a plate cylinder can now be manufactured with constant quality and high productivity.
実施例の説明
以下に添付の図を参照して本発明を実施例につ
いて説明する。DESCRIPTION OF THE EMBODIMENTS The invention will now be described by way of embodiments with reference to the accompanying figures.
第1図及び第2図は本発明による製造方法によ
つて製造される輪転式孔版印刷装置の版胴の一つ
の実施例を示している。これらの図に於て、1は
版胴を示しており、該版胴は、外周面に版取付座
部3を有する金属製円筒体2と、金属製円筒体2
の外周面に版取付座部3の配設部分を除く他の部
分の全体に亙つて巻き付けられた中間スクリーン
層体4及び外側スクリーン層体5との三層構造に
なつている。 FIGS. 1 and 2 show one embodiment of a plate cylinder for a rotary stencil printing apparatus manufactured by the manufacturing method according to the present invention. In these figures, 1 indicates a plate cylinder, which includes a metal cylinder 2 having a plate mounting seat 3 on its outer circumferential surface, and a metal cylinder 2.
It has a three-layer structure with an intermediate screen layer 4 and an outer screen layer 5 wrapped around the entire outer peripheral surface of the screen except for the area where the plate mounting seat 3 is disposed.
版胴用金属製円筒体2は、第2図に良く示され
ている如く、インキ通過用の多数の小孔6を有す
るインキ通過性の多孔構造部7と、小孔を全く有
していないインキ不通過性の無孔部8とを有して
おり、無孔部8に版取付座部3を固定されてい
る。 As clearly shown in FIG. 2, the metal cylindrical body 2 for the plate cylinder has an ink-permeable porous structure 7 having a large number of small holes 6 for passing ink, and has no small holes at all. It has a non-porous part 8 which is impermeable to ink, and the plate mounting seat part 3 is fixed to the non-porous part 8.
尚、小孔6は、第1図に於ては理解され易いよ
うに大きく描かれているが、これは直径が0.5〜
0.001mm程度の非常に小さい孔であり、小孔6を
多数有する多孔構造部7は20〜60メツシユ程度の
多孔構造になつている。 Note that the small hole 6 is drawn large in Fig. 1 for easy understanding, but this hole has a diameter of 0.5~
The pores are very small, about 0.001 mm, and the porous structure portion 7 having a large number of small pores 6 has a pore structure of about 20 to 60 meshes.
無孔部8と多孔構造部7との境界部近傍には版
胴1の一つの母線に沿つて帯状の堰要素9が印刷
或いは接着により設けられており、この堰要素配
設部分の版胴用金属製円筒体2の外周面8aは粗
面になつている。 A band-shaped weir element 9 is provided by printing or gluing along one generatrix of the plate cylinder 1 near the boundary between the non-porous part 8 and the porous structure part 7, and the part of the plate cylinder where this weir element is provided is The outer peripheral surface 8a of the metal cylindrical body 2 is a rough surface.
尚、第1図に於て、10は版胴1の最内周面、
即ち版胴用金属製円筒体2の内周面に摺接して版
胴位置と同方向に回転駆動されるスクイジローラ
を、11はスクイジローラ10の外周面に所定の
小さい間隙12をおいて対向し一方の側にスクイ
ジローラ10と共働してインキ溜り部13を構成
するドクタロツドを、15は版係止座部3に固定
された永久磁石板16と一端を枢軸17によつて
版取付座部3に枢支され永久磁石板16に選択的
に磁気的に吸着されるクランプ板18とからなる
原紙係止装置を、19は版胴1の外周面へ向けて
選択的に押付けられるプレスローラを、Sは原紙
を各々示している。 In addition, in FIG. 1, 10 is the innermost peripheral surface of the plate cylinder 1,
That is, a squeegee roller 11 is in sliding contact with the inner peripheral surface of the metal cylindrical body 2 for the plate cylinder and is driven to rotate in the same direction as the position of the plate cylinder. A doctor rod 15 cooperates with the squeegee roller 10 to form the ink reservoir 13, and 15 is a permanent magnet plate 16 fixed to the plate locking seat 3, and one end is connected to the plate mounting seat 3 by a pivot 17. 19 is a base paper locking device consisting of a clamp plate 18 that is pivotally supported and selectively magnetically attracted to a permanent magnet plate 16; S is a press roller that is selectively pressed toward the outer peripheral surface of the plate cylinder 1; indicate the original paper.
版胴用金属製円筒体2は多孔構造部7と無孔部
8を含む全体を電鋳により製造され、しかも粗面
部8aを多孔構造部7と無孔部8の成形のための
電鋳によつてそれと同時に形成されている。版胴
用金属製円筒体2の電鋳は、第3図に示されてい
る如く、マスタ電極部材30の表面に形成された
点状のマスキング樹脂パターンに従つて行われ、
このマスキング樹脂パターンは、多孔構造部7を
成形する部分に於てはその一つの点状パターン3
1の大きさが大きく、粗面部8aを形成する部分
に於てはその一つの点状パターン32の大きさが
多孔構造部7を成形する部分のそれに比して小さ
くなつている。電鋳は素材電極の電気分解による
溶出部がマスタ電極30の表面に電着することに
より行われ、マスタ電極30の表面に設けられた
マスキング樹脂の部分に於てはその表面に直接に
電着が生じないから、一つの点状パターンの大き
さが比較的大きければその部分は孔となるが、一
つの点状パターンの大きさが比較的小さいと、電
着層の成長によりそのマスキング樹脂が覆われて
窪みになり、この窪み33の集合によつて粗面が
形成される。 The entire metal cylindrical body 2 for plate cylinder, including the porous structure part 7 and the non-porous part 8, is manufactured by electroforming, and the rough surface part 8a is electroformed to form the porous structure part 7 and the non-porous part 8. Therefore, it was formed at the same time. The electroforming of the metal cylindrical body 2 for the plate cylinder is performed according to the dotted masking resin pattern formed on the surface of the master electrode member 30, as shown in FIG.
This masking resin pattern is one of the dotted patterns 3 in the part where the porous structure part 7 is to be formed.
1 is large, and the size of one dot pattern 32 in the portion where the rough surface portion 8a is formed is smaller than that in the portion where the porous structure portion 7 is formed. Electroforming is performed by electrodepositing the eluted portion of the material electrode by electrolysis on the surface of the master electrode 30, and the masking resin portion provided on the surface of the master electrode 30 is directly electrodeposited on the surface. Therefore, if the size of one dot pattern is relatively large, that part will become a hole, but if the size of one dot pattern is relatively small, the masking resin will grow due to the growth of the electrodeposited layer. The surface is covered with depressions, and the collection of depressions 33 forms a rough surface.
第4図は第3図に示す如くマスキング樹脂パタ
ーンが点状パターン31の如く大きい面積のもの
と点状パターン32の如く小さい面積のものとの
組合せとされることにより、大きい面積の点状パ
ターン31のところでは貫通した小孔6が形成さ
れ、面積の小さい点状パターン32のところでは
表面に窪み33が形成される態様を電着層の成長
に伴なう四つの段階として図A〜Dとして示す断
面図である。これらの図A〜Dに示す如く、マス
タ電極部材30のマスキング樹脂により覆われて
いない露呈部上に電着層Dが成長していくにつれ
て、電着層はマスキング上に張出してくる。その
ため図のDに示す如くマスキングの面積の大きい
点状パターン31上ではマスキングの中心部迄電
着層が未だ成長していない段階にて面積の小さい
点状樹脂マスキングパターン32上では電着層は
その中心部を覆う迄に成長する。従つて点状樹脂
マスキングの点状パターンの大きさと電着層の成
長の度合とを調整することにより、図Dに示す如
く一部に貫通孔を又他の一部に表面窪みを有する
板状体を製造することができる。 As shown in FIG. 3, the masking resin pattern is a combination of a dot pattern 31 with a large area and a dot pattern 32 with a small area. A through-hole 6 is formed at 31, and a depression 33 is formed on the surface at a small-area dot pattern 32, as shown in Figures A to D as four stages accompanying the growth of the electrodeposited layer. FIG. As shown in these figures A to D, as the electrodeposition layer D grows on the exposed portion of the master electrode member 30 that is not covered with the masking resin, the electrodeposition layer overhangs the masking. Therefore, as shown in D in the figure, on the dot pattern 31 with a large masking area, the electrodeposition layer has not yet grown to the center of the masking, and on the dot resin masking pattern 32 with a small area, the electrodeposition layer does not grow. It grows until it covers the center. Therefore, by adjusting the size of the dotted pattern of the dotted resin masking and the degree of growth of the electrodeposited layer, it is possible to form a plate with through holes in some parts and surface depressions in other parts, as shown in Figure D. body can be manufactured.
上述の如く、電鋳によつて版胴用金属製円筒体
の製造が行われることにより多数の小孔を含む多
孔構造部7と粗面部8aとが同一加工工程によつ
て同時に形成される。 As described above, by manufacturing the metal cylindrical body for the plate cylinder by electroforming, the porous structure portion 7 including a large number of small holes and the rough surface portion 8a are simultaneously formed in the same processing step.
以上に於ては、本発明を特定の実施例について
詳細に説明したが、本発明は、これに限定される
ものではなく、本発明の範囲内にて種々の実施例
が可能であることは当業者にとつて明らかであろ
う。 Although the present invention has been described in detail with respect to specific embodiments above, the present invention is not limited thereto, and various embodiments are possible within the scope of the present invention. It will be clear to those skilled in the art.
第1図は本発明による製造方法により製造され
る版胴を組込まれた輪転式孔版印刷装置の一つの
実施例をその要部について示す概略縦断面図、第
2図は本発明による製造方法により製造される版
胴用金属製円筒体に一つの実施例を示す斜視図、
第3図は本発明による版胴用金属製円筒体の製造
方法に用いられる電鋳加工法の実施に用いられる
マスタ電極部分及びその上に形成された電着層を
示す概略縦断面図、第4図は第3図に示す如くマ
スタ電極上に貫通孔と表面窪みを有する電着層が
形成される態様を電着層の成長に伴なう段階を追
つて示す概略縦断面図である。
1……版胴、2……金属製円筒体、3……版取
付座部、4……中間スクリーン層体、5……外側
スクリーン層体、6……小孔、7……多孔構造
部、8……無孔部、9……堰要素、10……スク
イジローラ、11……ドクタロツド、12……間
隙、13……インキ溜り部、15……原紙係止装
置、16……永久磁石板、17……枢軸、18…
…クランプ片、19……プレスローラ、30……
マスタ電極部材、31,32……点状パターン、
33……窪み。
FIG. 1 is a schematic vertical cross-sectional view showing the main parts of an embodiment of a rotary stencil printing apparatus incorporating a plate cylinder manufactured by the manufacturing method according to the present invention, and FIG. A perspective view showing one embodiment of a metal cylindrical body for a plate cylinder to be manufactured;
FIG. 3 is a schematic longitudinal sectional view showing a master electrode portion and an electrodeposited layer formed thereon used in the electroforming method used in the method of manufacturing a metal cylindrical body for a plate cylinder according to the present invention; FIG. 4 is a schematic vertical cross-sectional view showing the manner in which an electrodeposited layer having through holes and surface depressions is formed on the master electrode as shown in FIG. 3, showing the steps involved in the growth of the electrodeposition layer. DESCRIPTION OF SYMBOLS 1... Plate cylinder, 2... Metal cylindrical body, 3... Plate mounting seat, 4... Intermediate screen layer, 5... Outer screen layer, 6... Small hole, 7... Porous structure part , 8... Non-porous part, 9... Weir element, 10... Squeegee roller, 11... Doctor rod, 12... Gap, 13... Ink reservoir, 15... Base paper locking device, 16... Permanent magnet plate , 17...Axis, 18...
... Clamp piece, 19 ... Press roller, 30 ...
Master electrode member, 31, 32... dotted pattern,
33... hollow.
Claims (1)
する板状体の製造法にして、表面の一部に点在す
る樹脂マスキングを施されたマスタ電極上に、樹
脂マスキングの部分にて電解溶出物の電着を制限
しつつ電解溶出物の電着層を成長させ、その際各
電着層の成長の度合と、各点状樹脂マスキングの
面積とを調節することにより、面積が大きい点状
樹脂マスキングの部分にて該点状樹脂マスキング
の中心部迄電着層が成長しないことにより前記貫
通孔を形成し、面積が小さい点状樹脂マスキング
の部分にて該点状樹脂マスキングの中心部を覆う
迄電着層が成長することにより前記表面窪みを形
成することを特徴とする板状体の製造法。1. A method of manufacturing a plate-like body that has through holes in some parts and surface depressions in other parts, and on the master electrode that is dotted with resin masking on some parts of the surface, The electrodeposited layer of the electrolytic eluate is grown while limiting the electrodeposition of the electrolytic eluate, and the area can be increased by adjusting the degree of growth of each electrodeposited layer and the area of each dotted resin masking. The electrodeposited layer does not grow to the center of the dotted resin masking in the large dotted resin masking part, thereby forming the through hole, and the dotted resin masking in the small dotted resin masking part forms the through hole. A method for producing a plate-shaped body, characterized in that the surface depression is formed by growing an electrodeposited layer until it covers the central part.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5557384A JPS60199687A (en) | 1984-03-23 | 1984-03-23 | Manufacture of cylindrical metallic body for form cylinder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5557384A JPS60199687A (en) | 1984-03-23 | 1984-03-23 | Manufacture of cylindrical metallic body for form cylinder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60199687A JPS60199687A (en) | 1985-10-09 |
JPH0472916B2 true JPH0472916B2 (en) | 1992-11-19 |
Family
ID=13002461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5557384A Granted JPS60199687A (en) | 1984-03-23 | 1984-03-23 | Manufacture of cylindrical metallic body for form cylinder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60199687A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3309023B2 (en) * | 1994-11-28 | 2002-07-29 | 理想科学工業株式会社 | Ink shielding member for rotary stencil printing press |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4914617A (en) * | 1972-06-08 | 1974-02-08 | ||
JPS51110444A (en) * | 1975-03-25 | 1976-09-30 | Toppan Printing Co Ltd | Jukoshinzaino seizosochi |
JPS5769878A (en) * | 1980-10-20 | 1982-04-28 | Hamasawa Kogyo Kk | Manufacture of outer edge body of electric razor |
-
1984
- 1984-03-23 JP JP5557384A patent/JPS60199687A/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4914617A (en) * | 1972-06-08 | 1974-02-08 | ||
JPS51110444A (en) * | 1975-03-25 | 1976-09-30 | Toppan Printing Co Ltd | Jukoshinzaino seizosochi |
JPS5769878A (en) * | 1980-10-20 | 1982-04-28 | Hamasawa Kogyo Kk | Manufacture of outer edge body of electric razor |
Also Published As
Publication number | Publication date |
---|---|
JPS60199687A (en) | 1985-10-09 |
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EXPY | Cancellation because of completion of term |