use a blanket with a soft shore A (48-50) of the face compound, and a low compresible carcass to drive the ink into the sheet. Blankets with hard face shore A, and a higher compressibility carcass tend to mottle on uncoated stocks.
The undercut on a SM74 blanket cylinder is .090" use a .077 (4ply gauge) blanket and a single sheet of .014" paper packing. It's not public information who makes blankets for Heid. if its a high quality product with a strong compressible layer that's all the packing you need and is the way I set...
You may consider starting at the core of the problem by trying a blanket with better smash resistance. There are several new and inovative design technologies to make a blanket more resistant to sinking and smashing. You may be able to reduce consumption by up to 40% by simply using a blanket...
between 60°F and 85°F
between 50% and 65% relative humidity
avoid direct sunlight (danger of ozone cracks)
away from electric motors (danger of ozone cracks)
lying flat or suspended
always rubber to rubber and fabric to fabric
use "first in, first out" principle
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