Gravure

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Volcanoes

Problem:

Web heat is excessive.

Solution:

Decrease web temperatures. Excess heat vaporizes some fast drying solvents, resulting in eruptions through the surface.

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Problem:

Solvent selection is poor.

Solution:

Change solvent blend. Fast solvents may erupt through the surface before the ink is dry.

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Problem:

Cylinder is too deep.

Solution:

Reduce the depth of the cylinder.

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