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Lithographic printing plate burning should pay attention to several jobs - proofing, printing - sil by na b
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Lithographic printing plate burning should pay attention to several jobs - proofing, printing - sil by NA B
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| Article Posted: 01/17/2011 |
| Article Views: 136 |
| Articles Written: 2638 - MORE ARTICLES FROM THIS AUTHOR |
| Word Count: 593 |
| Article Votes: 0 |
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Lithographic printing plate burning should pay attention to several jobs - proofing, printing - sil |
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Business,Business News,Business Opportunities
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First, attach importance to mention ink deal
Ink deal by mentioning PS version, to increase Sensitive adhesive The photographic properties, protecting some graphics to make it in the printing and fast when playing pretend on ink, while from the dark ink rubbed the role of imaging, can prevent the graphic portion of the light response, extend the period of use plates, raised ink India will also benefit increase rate of resistance. Therefore, in addition to hurry on the machine printed version, should adhere to put ink handling, operation, pay attention to obvious to mention evenly with ink, can not afford to dirty clean layout.
Second, attention to bake version PS version of the snapshot after the dry cleaning, you can bake on the machine, so that the adhesive layer after thermal imaging alkaline solution newcomer stabilizing effect, so the residual heat of volatile alkali solution, so that the PS version of the treated , graphic part of the pro-oil is good, put ink fast, high resistance to printing. After the attentions bake Edition treated PS version, put ink to cool before the page, and have some water, if necessary, coated with a thin layer of glue, put ink on it to avoid dirty.
Third, attach importance to the environment and the maintenance of the machine
1, plate burning studio to clean, especially the printing down the glass, clean it before work, develop confidential regular cleaning and maintenance.
2, light source, illumination should be regularly checked. Voltage, the grid checks, 380 (360-400V)
3, PS version of storage sites to be set in the air chamber, or low temperature, dry place, in particular, to avoid the sink. Use care not to bend when the PS version, clean business, attention can not be stained with oil or hands touch the layout developer solution.
4, attention to treatment with phosphoric acid version
Hand-imaging version of the application of 2% -3% of the phosphoric acid treatment. As part of the light-sensitive imaging agent after the exposure was removed developing solution, do not see the light of the graphic part of the developer solution from erosion, remain in the layout and have photosensitivity, use of 2% -3% of the dilute phosphoric acid Snapshot to be alkaline in the surface plate and make some graphics and stability. Operation should be careful not to just pull out of the imaging plate with phosphoric acid treatment, should be washed with water first and then, rinse and then deal with developer solution.
5, emphasis on treatment than dirty
Imaging except after the PS version was dirty, in general, except when wet dirty, although easy to get rid of this method, but will develop some of the deficiencies of the former caused by dirty. The best method is to rub a thin layer of glue, when dry after dry like dry, and then better than dirty, dirty on the layout clean and do not play a role on.
6, emphasis eraser burn out Operator should pay attention to the gum polished thin and uniform, effectively protect the role of layout, but in the daily production of less importance for this work, glue rubbed thickness is inconsistent and uneven, even without a thorough cleaning , resulting in local damage to plates.
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