Gravure

Print page

Drag Out

Problem

Ink is too thin.

Solution:

Increase ink viscosity.

______________________________________________________________________

Problem:

Doctor blade is wavy.

Solution:

Align doctor blade properly.

______________________________________________________________________

Problem:

Blade angle is too flat.

Solution:

Sharpen blade angle for a better wipe.

______________________________________________________________________

Problem:

Blade position is incorrect.

Solution:

Move back up blade closer to the doctor blade edge.

______________________________________________________________________

Problem:

Tension control is poor.

Solution:

Check and adjust tension.

______________________________________________________________________

Problem:

Ink is drying too slowly.

Solution:

Add faster drying solvents. For aqueous inks, check and adjust pH.

______________________________________________________________________

Problem:

Foreign matter such as paper, substrate dust or pigment particles are present in the ink.

Solution:

Filter and/or replace ink. Eliminate source of foreign matter.

______________________________________________________________________

Problem:

Cylinder worn; wide walls.

Solution:

Scope cylinder – check chrome for wear, copper showing.

*The solutions provided from the troubleshooting guide are general in nature, please contact or your sales or technical representative to discuss specific issues.

Information about Sun Chemical

Sun Chemical offers a broad portfolio of inks, coatings, color software and brand color management for gravure printing.

Learn About Sun Chemical's Printing Solutions for Gravure