JPH0585075A - Printing plate - Google Patents
Printing plateInfo
- Publication number
- JPH0585075A JPH0585075A JP3273595A JP27359591A JPH0585075A JP H0585075 A JPH0585075 A JP H0585075A JP 3273595 A JP3273595 A JP 3273595A JP 27359591 A JP27359591 A JP 27359591A JP H0585075 A JPH0585075 A JP H0585075A
- Authority
- JP
- Japan
- Prior art keywords
- plate
- printing plate
- printing
- ceramic compound
- hue
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41N—PRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
- B41N1/00—Printing plates or foils; Materials therefor
- B41N1/006—Printing plates or foils; Materials therefor made entirely of inorganic materials other than natural stone or metals, e.g. ceramics, carbide materials, ferroelectric materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Printing Plates And Materials Therefor (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、グラビア印刷、タンポ
印刷等に用いられる印刷版に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a printing plate used for gravure printing, tampo printing and the like.
【０００２】[0002]
【従来の技術】従来、グラビア印刷、タンポ印刷等に用
いられる印刷版は、金属製の版にエッチング等により図
柄を刻んだものか、この製版にクロムメッキを施したも
のである。2. Description of the Related Art Conventionally, a printing plate used for gravure printing, tampo printing or the like is a metal plate on which a pattern is engraved by etching or the plate is plated with chrome.
【０００３】[0003]
【発明が解決しようとする課題】然しながら、従来技術
には、下記〜の問題点がある。However, the prior art has the following problems.
【０００４】印刷版が金属製であるから、腐食し易
く、保存管理が困難である。 印刷版とドクターブレードとの接触により、印刷版及
びドクターブレードの両者が摩耗し易く、両者の寿命が
短い。Since the printing plate is made of metal, it is easily corroded and storage management is difficult. Due to the contact between the printing plate and the doctor blade, both the printing plate and the doctor blade are easily worn and the service life of both is short.
【０００５】印刷版の摩耗状態を肉眼で確認しずら
く、印刷不良時には印刷機を停止し、印刷機から取り外
した印刷版の図柄溝深さを粗さ計で測定する必要があ
り、生産性が悪い。 印刷版の摩耗時には、印刷版を再度製版から新たに作
り直す必要がある。Since it is difficult to visually confirm the worn state of the printing plate, it is necessary to stop the printing machine when printing is defective and measure the pattern groove depth of the printing plate removed from the printing machine with a roughness meter. Is bad. When the printing plate is worn, it is necessary to remake the printing plate again from the plate making.
【０００６】本発明は、印刷版の耐食性、及び耐摩耗性
を向上することを目的とする。また、本発明は、印刷版
の摩耗状態を肉眼で容易に確認可能とすることを目的と
する。また、本発明は、印刷版の摩耗時に製版の再使用
を可能とすることを目的とする。An object of the present invention is to improve the corrosion resistance and abrasion resistance of a printing plate. Another object of the present invention is to allow the wear state of the printing plate to be easily confirmed with the naked eye. Another object of the present invention is to enable reuse of the plate making when the printing plate is worn.
【０００７】[0007]
【課題を解決するための手段】請求項１に記載の本発明
に係る印刷版は、印刷図柄を付した製版にセラミック化
合物をコートしたものである。According to a first aspect of the present invention, there is provided a printing plate comprising a ceramic composition coated on a plate having a printing pattern.
【０００８】請求項２に記載の本発明は、請求項１に記
載の本発明において更に、前記セラミック化合物の色相
が製版の色相と異なるものであるようにしたものであ
る。According to a second aspect of the present invention, in addition to the first aspect of the present invention, the hue of the ceramic compound is different from the hue of the plate.
【０００９】請求項３に記載の本発明は、請求項１又は
２に記載の本発明において更に、前記セラミック化合物
のコート層が製版から剥離可能であるようにしたもので
ある。According to a third aspect of the present invention, in addition to the first or second aspect of the present invention, the coating layer of the ceramic compound is releasable from the plate.
【００１０】[0010]
【作用】本発明によれば、下記〜の作用がある。 印刷版のＳＫＤ鋼（合金工具鋼）、ＳＫ鋼（炭素工具
鋼）、ＳＵＳ鋼（ステンレス鋼）等からなる製版母材が
窒化物等のセラミック化合物にて単層又は複層コートさ
れるから、耐食性が向上し、保存管理が容易となる。According to the present invention, there are the following actions. Since the plate making base material made of SKD steel (alloy tool steel), SK steel (carbon tool steel), SUS steel (stainless steel), etc. of the printing plate is coated with a ceramic compound such as nitride in a single layer or multiple layers, Corrosion resistance is improved and storage management becomes easier.
【００１１】印刷版の製版母材がセラミック化合物に
て単層又は複層コートされるから、ドクターブレードと
の摩擦係数が低下し、印刷版及びドクターブレードの両
者の耐摩耗性が向上し、両者の寿命が長くなる。Since the plate-making base material of the printing plate is coated with a ceramic compound in a single layer or in multiple layers, the coefficient of friction with the doctor blade is lowered, and the abrasion resistance of both the printing plate and the doctor blade is improved. Lifespan is extended.
【００１２】印刷版の母材にコートされるセラミック
化合物の色相が母材の色相と異なるものとされることに
より、コート層の摩耗が進行し母材が露呈することとな
る摩耗状態を色相の変化により肉眼で容易に確認でき
る。従って、印刷不良時には、印刷機を停止して印刷版
の表面色相を肉眼で観察するのみにて原因究明でき、生
産性を阻害しない。By making the hue of the ceramic compound coated on the base material of the printing plate different from the hue of the base material, the wear state in which the wear of the coating layer progresses and the base material is exposed becomes The change can be easily confirmed with the naked eye. Therefore, when printing is defective, the cause can be determined only by stopping the printing machine and observing the surface hue of the printing plate with the naked eye, without impairing the productivity.
【００１３】印刷版の母材にコートされるセラミック
化合物をＰＶＤ（物理蒸着）方式のイオンプレーティン
グ等により、母材から剥離可能とすることにより、印刷
版の摩耗時に、旧コート層のみを剥離し、その後新コー
ト層を再コートすることにて製版を再使用できる。The ceramic compound coated on the base material of the printing plate can be peeled off from the base material by PVD (physical vapor deposition) type ion plating or the like, so that only the old coating layer is peeled off when the printing plate is worn. The plate can then be reused by recoating with a new coat layer.
【００１４】[0014]
【実施例】図１は本発明の実施例を示す要部模式図、図
２は印刷版を示す模式図、図３は摩耗試験状態を示す模
式図、図４は摩耗試験結果を示す線図である。EXAMPLE FIG. 1 is a schematic view of an essential part showing an embodiment of the present invention, FIG. 2 is a schematic view showing a printing plate, FIG. 3 is a schematic view showing a wear test state, and FIG. 4 is a diagram showing a result of the wear test. Is.
【００１５】（実施例１）ＳＫＤ鋼相当の製版に図柄を
エッチングし、この製版上にＰＶＤ（物理蒸着）方式の
イオンプレーティングにより、ＴｉＮ（窒化チタン）の
超硬質セラミック層を約 5μm コートすることにて印刷
版を得た（図１（Ａ）参照）。(Example 1) A pattern is etched on a plate corresponding to SKD steel, and an ultrahard ceramic layer of TiN (titanium nitride) is coated on the plate by about 5 μm by PVD (physical vapor deposition) type ion plating. In particular, a printing plate was obtained (see FIG. 1 (A)).
【００１６】上記ＴｉＮのコート被膜の物理的性質は、
硬さ1900〜2400(HV)、摩擦係数0.49（μ）である。The physical properties of the TiN coated film are as follows:
The hardness is 1900 to 2400 (HV) and the friction coefficient is 0.49 (μ).
【００１７】（実施例２）ＳＫＤ鋼相当の製版に図柄を
エッチングし、この製版上にＣＶＤ（化学蒸着）方式に
より、ＴｉＣ（炭化チタン）、更にＴｉＮの超硬質セラ
ミック層を約 5〜8μm 複層コートした（図１（Ｂ）参
照）。(Example 2) A pattern was etched on a plate corresponding to SKD steel, and a super hard ceramic layer of TiC (titanium carbide) and TiN was formed on the plate by a CVD (chemical vapor deposition) method in an amount of about 5 to 8 μm. Layer coating (see FIG. 1 (B)).
【００１８】上記ＴｉＣのコート被膜の物理的性質は、
硬さ3000〜4000(HV)、摩擦係数0.25（μ）である。The physical properties of the TiC coated film are as follows.
The hardness is 3000 to 4000 (HV) and the friction coefficient is 0.25 (μ).
【００１９】（実施例３）ＳＫ４鋼の製版に図柄をエッ
チングし、この製版上にＰＶＤ方式のイオンプレーティ
ングにより、ＴｉＮの超硬質セラミック層を約5μm コ
ートすることにて印刷版を得た（図１（Ａ）参照）。(Example 3) A pattern was etched on a plate made of SK4 steel, and an ultrahard ceramic layer of TiN was coated on the plate by PVD ion plating to a thickness of about 5 µm to obtain a printing plate ( See FIG. 1 (A).
【００２０】（実施例４）ＳＵＳ３０４鋼の製版に図柄
をエッチングし、この製版上にＰＶＤ方式のイオンプレ
ーティングにより、ＴｉＮの超硬質セラミック層を約 5
μm コートすることにて印刷版を得た（図１（Ａ）参
照）。Example 4 A pattern was etched on a SUS304 steel plate, and a TiN ultra-hard ceramic layer was formed on the plate by PVD ion plating.
A printing plate was obtained by coating with μm (see FIG. 1 (A)).
【００２１】（実施例５）ＳＵＳ４４０Ｃ鋼の製版に図
柄をエッチングし、この製版上にＰＶＤ方式のイオンプ
レーティングにより、ＴｉＮの超硬質セラミック層を約
5μm コートすることにて印刷版を得た（図１（Ａ）参
照）。(Embodiment 5) A pattern is etched on a SUS440C steel plate and a TiN ultra-hard ceramic layer is applied to the plate by PVD ion plating.
A printing plate was obtained by coating with 5 μm (see FIG. 1 (A)).
【００２２】（比較例）ＳＫ４鋼の製版に図柄をエッチ
ングすることにて印刷版を得た。(Comparative Example) A printing plate was obtained by etching a pattern on a plate made of SK4 steel.
【００２３】ここで、上記各実施例、比較例の印刷版は
図２（Ａ）の如くのグラビア印刷用のロール状印刷版と
し、図柄は同一とした。Here, the printing plates of the above Examples and Comparative Examples were roll printing plates for gravure printing as shown in FIG. 2 (A), and the patterns were the same.
【００２４】尚、本発明の印刷版は図２（Ｂ）の如くの
タンポ印刷用の平板状印刷版にも適用できる。The printing plate of the present invention can be applied to a flat plate printing plate for tampo printing as shown in FIG. 2 (B).
【００２５】然るに、上記各実施例、比較例の印刷版
を、弱酸性高粘度液体である弱酸性インク液体中に浸漬
し、ドクターブレードを 2〜3kg/cm2 の圧力にて押し当
て、摩耗試験を行なった（図３参照）。尚、摩耗量は、
図柄部分のエッチング溝深さの測定により評価した。図
３において、１は印刷版、１Ａは図柄、２はドクターブ
レードである。Therefore, the printing plates of each of the above Examples and Comparative Examples were immersed in a weakly acidic ink liquid, which was a weakly acidic and highly viscous liquid, and a doctor blade was pressed at a pressure of 2 to 3 kg / cm 2 to cause abrasion. The test was performed (see FIG. 3). The amount of wear is
It was evaluated by measuring the etching groove depth of the pattern portion. In FIG. 3, 1 is a printing plate, 1A is a design, and 2 is a doctor blade.
【００２６】上記摩耗試験の結果、実施例１〜５にあっ
ては、比較例に比して以下の如くのメリットを認めた。As a result of the above abrasion test, in Examples 1 to 5, the following merits were recognized as compared with the comparative example.
【００２７】印刷版のＳＫＤ鋼、ＳＫ鋼、ＳＵＳ鋼等
からなる製版母材がＴｉＮ、ＴｉＣ等の超硬質セラミッ
ク化合物にて単層又は複層コートされるから、耐食性が
向上し、保存管理が容易となる。The plate-making base material made of SKD steel, SK steel, SUS steel or the like of the printing plate is coated with a superhard ceramic compound such as TiN or TiC in a single layer or multiple layers, so that the corrosion resistance is improved and the storage management is improved. It will be easy.
【００２８】印刷版の製版母材が超硬質セラミック化
合物にて単層又は複層コートされるから、ドクターブレ
ードとの摩擦係数が低下し、印刷版及びドクターブレー
ドの両者の耐摩耗性が向上し、両者の寿命が長くなる
（図４参照）。但し、印刷版の寿命は約 5μm の摩耗量
が確認された時間にて評価した。Since the plate-making base material of the printing plate is coated with a superhard ceramic compound in a single layer or in multiple layers, the coefficient of friction with the doctor blade is lowered and the abrasion resistance of both the printing plate and the doctor blade is improved. , The life of both becomes longer (see FIG. 4). However, the life of the printing plate was evaluated at the time when the abrasion amount of about 5 μm was confirmed.
【００２９】実施例１にあっては、印刷版とドクターブ
レードの摩耗度低減により、印刷版の寿命は比較例の約
2〜 3倍程度となり、ドクターブレードの寿命も比較例
の約2〜 3倍程度となった。In Example 1, the life of the printing plate was about the same as that of the comparative example because the abrasion of the printing plate and the doctor blade was reduced.
It was about 2 to 3 times longer, and the life of the doctor blade was about 2 to 3 times longer than that of the comparative example.
【００３０】実施例２にあっては、印刷版とドクターブ
レードの摩耗度低減により、印刷版の寿命は比較例の約
5〜10倍程度となり、ドクターブレードの寿命は比較例
の約2〜 3倍程度となった。実施例２の印刷版寿命は、
製版母材に対するＴｉＣ層の密着強度が大なることに起
因すると考えられる。In Example 2, the life of the printing plate was about the same as that of the comparative example by reducing the wear of the printing plate and the doctor blade.
It was about 5 to 10 times longer, and the life of the doctor blade was about 2 to 3 times longer than the comparative example. The printing plate life of Example 2 is
It is considered that this is because the adhesion strength of the TiC layer to the plate-making base material is high.
【００３１】実施例３、４、５にあっては、それぞれ、
印刷版とドクターブレードの摩耗度低減により、印刷版
の寿命は比較例の約1.5 〜 2倍程度となり、ドクターブ
レードの寿命は比較例の約 2〜 3倍程度となった。In Examples 3, 4 and 5, respectively,
By reducing the wear of the printing plate and the doctor blade, the life of the printing plate was about 1.5 to 2 times that of the comparative example, and the life of the doctor blade was about 2 to 3 times that of the comparative example.
【００３２】尚、上記各実施例１〜５にあっては、印刷
版の母材にコートされるセラミック化合物の色相（Ｔｉ
Ｎは黄金色、ＴｉＣは灰色）が母材の色相（ＳＫＤ鋼、
ＳＫ鋼、ＳＵＳ鋼はそれぞれ灰色）と異なるものとされ
ることにより、コート層の摩耗が進行し母材が露呈する
こととなる摩耗状態を色相の変化により肉眼で容易に確
認できる。従って、印刷不良時には、印刷機を停止して
印刷版の表面色相を肉眼で観察するのみにて原因究明で
き、生産性を阻害しない。In each of Examples 1 to 5, the hue (Ti) of the ceramic compound coated on the base material of the printing plate was determined.
N is golden and TiC is gray. Hue of base material (SKD steel,
By making the SK steel and the SUS steel different from each other (gray), the wear state in which the wear of the coating layer progresses and the base material is exposed can be easily confirmed with the naked eye by the change of the hue. Therefore, when printing is defective, the cause can be determined only by stopping the printing machine and observing the surface hue of the printing plate with the naked eye, without impairing the productivity.
【００３３】また、上記各実施例１、３〜５にあって
は、印刷版の母材にコートされるセラミック化合物（Ｔ
ｉＮをＰＶＤ方式のイオンプレーティングにより、母材
から剥離可能とすることにより、印刷版の摩耗時に、旧
コート層のみを剥離し、その後新コート層を再コートす
ることにて製版を再使用できる。即ち、ＰＶＤ方式のイ
オンプレーティングによりコートされたセラミック化合
物は、特殊化学薬品で、母材を傷付けることなく剥離さ
れ得る。In each of Examples 1, 3 to 5 above, the ceramic compound (T
By making iN peelable from the base material by PVD ion plating, only the old coat layer is peeled off when the printing plate is worn, and then the new coat layer can be recoated to reuse the plate. .. That is, the ceramic compound coated by PVD ion plating can be exfoliated with a special chemical agent without damaging the base material.
【００３４】また、本発明の実施において、製版にコー
トされるセラミック化合物の厚みは、 1〜40μm が好適
である。In the practice of the present invention, the thickness of the ceramic compound coated on the plate is preferably 1 to 40 μm.
【００３５】[0035]
【発明の効果】以上のように本発明によれば、印刷版の
耐食性、及び耐摩耗性を向上することができる。また、
本発明によれば、印刷版の摩耗状態を肉眼で容易に確認
できる。また、本発明によれば、印刷版の摩耗時に製版
の再使用できる。As described above, according to the present invention, the corrosion resistance and abrasion resistance of the printing plate can be improved. Also,
According to the present invention, the wear state of the printing plate can be easily confirmed with the naked eye. Further, according to the present invention, the plate making can be reused when the printing plate is worn.
【図１】図１は本発明の実施例を示す要部模式図であ
る。FIG. 1 is a schematic view of an essential part showing an embodiment of the present invention.
【図２】図２は印刷版を示す模式図である。FIG. 2 is a schematic diagram showing a printing plate.
【図３】図３は摩耗試験状態を示す模式図である。FIG. 3 is a schematic diagram showing a wear test state.
【図４】図４は摩耗試験結果を示す線図である。FIG. 4 is a diagram showing wear test results.
１ 印刷版 １Ａ 図柄 1 printing plate 1A design
Claims (3)
物をコートした印刷版。1. A printing plate in which a ceramic compound is coated on a plate having a printing pattern.
相と異なるものである請求項１記載の印刷版。2. The printing plate according to claim 1, wherein the hue of the ceramic compound is different from that of the plate.
から剥離可能である請求項１又は２記載の印刷版。3. The printing plate according to claim 1, wherein the coating layer of the ceramic compound is peelable from the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3273595A JPH0585075A (en) | 1991-09-26 | 1991-09-26 | Printing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3273595A JPH0585075A (en) | 1991-09-26 | 1991-09-26 | Printing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0585075A true JPH0585075A (en) | 1993-04-06 |
Family
ID=17529972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3273595A Withdrawn JPH0585075A (en) | 1991-09-26 | 1991-09-26 | Printing plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0585075A (en) |
-
1991
- 1991-09-26 JP JP3273595A patent/JPH0585075A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19981203 |