Recent content by ponnapati123

  1. ponnapati123

    SCTV formula in excel

    Hi Ben, We have printed OGV with SCTV method. The ISO 20654 tells about the SCTV calculations. But as per my knowledge SCTV dot gain values are 50 dot target is 50, 25 dot target is 25. Unlike process colour standards SCTV values are different targets.
  2. ponnapati123

    IML Printing on Conventional Sheetfed Offset

    Yes we are doing calibration to get correct dot gain values. We don't have any meter to check IFT. We used varnish on anilox roller. The ink is not drying without varnish. We have tried different varnishes finally drying problem is solved but the glossiens level is quite low. We want atleast 80...
  3. ponnapati123

    IML Printing on Conventional Sheetfed Offset

    Can we print IML without adding alcohol. I think water plays major role in the non absorbent materials. The challenge is also getting the right colour due to the IML film properties. The dot gain values are high and producing darker colours.
  4. ponnapati123

    IML Printing on Conventional Sheetfed Offset

    Dear all, We have started IML printing on Conventional sheetfed offset. Printing Method - Conventional Offset Printing, Inks - IML inks, IML Waterbased varnish and IR and Hot air for the drying. At the beginning itself we have faced many issues but now we can able to feed IML sheets but the...
  5. ponnapati123

    Sheetfed Offset Estimating Process or calculator in excel

    can anyone provide estimating methods or excel calculator of the sheetfed offset. How to find out the estimation of the job based on the inputs. What are the factors need to be considered for the estimation.
  6. ponnapati123

    Best offset digital proofing printer

    Epson Sure color is the good option for the offset proofing printer. Proofing printer, CTP rip and offset machine must be set with same profile, then only proofing inkjet matches to the offset printing.
  7. ponnapati123

    Inkjet System for Vaiable Data Printing

    Thanks for your suggestion, I'm being contact with them. They are having right solutions to my requirement
  8. ponnapati123

    Light Booth suggestions?

    Just-normlicht also can solve your problem
  9. ponnapati123

    Inkjet System for Vaiable Data Printing

    We are having HP TIJ 2.5 inkjet system, which fulfills our requirements till now. This inkjet system requires very low maintenance also the inkjet head works with life time guarantee. But with this inkjet system we can able to print maximum 12.5 mm without stitching, but if we stitch the heads...
  10. ponnapati123

    Optical Variable Ink (Colour Shift Inks) for Offset

    Recently we brough OPtical Variable Ink, which changes colour from one angle to another. When we tried this ink in UV Offset we didn't get the color shift. But the same ink when we applied in screen printing, it is showing much better OVI effect. Then we understand this ink needs more decposit...
  11. ponnapati123

    WATER MARK Printing in OFFSET

    Thanks Mr. Hojoclan. As I said we tried using the wet watermark offset ink as per normal procedure for printing. But I don't know ink density less or some other factors the clear ink looks like yellow shade. Then we tried in screen printing using 180 LPI screen, when we printed on the 80 GSM...
  12. ponnapati123

    WATER MARK Printing in OFFSET

    Dear hojoclan, Thank you for your post. We tried with wet offset watermark ink but couldn't get the result in conventional offset printing. It its showing dried the ink on paper before penetrating into the paper. Could you please let me know the process
  13. ponnapati123

    WATER MARK Printing in OFFSET

    I got some suppliers who can supply Wet Offset inks, those are T&K Toka, Luminiscence, FX Pigments and many more. All are offering Wet Offset inks and printing is like conventional process. We tried one of the suppliers Wet Offset ink. When cleaned the unit thoroughly and applied the watermark...
  14. ponnapati123

    WATER MARK Printing in OFFSET

    The client requirement is custom water mark which may vary from kind to kind. So if we did pre water mark from paper supplier and then client changes the design then it may incur huge losses. That is the reason we are looking for the alternate method to print water mark during offset process
  15. ponnapati123

    WATER MARK Printing in OFFSET

    Thanks, Really its a good idea. Our client wants to print on preprinted WATERMARK sheet from the paper mill and during offset printing client wants to place a logo in cetain position. So when we print it looks entrie paper with paper mill watermark and some portion with client logo. So if we do...

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