Sheet (printing material)
As a sheet , in connection with printing machines , the context of the benefit is referred to, which is printed by the machine with the subject . Then the sheet can be painted , laminated , perforated , punched , cut or folded .
After printing, the sheet is also known as the raw sheet .
material
The material of the sheet can be paper , cardboard ( placards , posters ), cardboard ( corrugated cardboard ), foil , lenticular foil , plastic , cell glass , aluminum foil or sheet metal .
dimension
A material that is often printed is paper. There are machine formats corresponding to the maximum paper formats that can be processed . The machine formats range from 35 cm × 50 cm (format 00) to 162 cm × 224 cm (format 10). The thickness / thickness of the printing materials ranges from 0.02 mm to 2.2 mm.
Dimensions
The sheet mass is the product of sheet area and weight per unit area , which is between 25 grams ( thin printing paper ) and 2500 grams ( sheet steel ) per square meter.
handling
Turn over
Turn a press sheet so that the page mark changes, but the same page remains at the front lay (for example, the pages of a book).
Turn inside out
Turn a print sheet so that the same side stays on the side mark, but the front lay turns (for example, the sheet is turned inside out with the sheet turning device).
Stack of sheets
The sheets are transported as a stack ( stack transport).
- You can turn a pile (with a pile turner). So the top comes down.
- Stack can be rotated 180 °. Then the back of the stack is at the front.
A stack is often transported on a pallet . The stack is centered and flush with the front of the pallet. In order to change a stack without stopping the machine (NON-STOP), a pallet with a groove pitch that corresponds to the division of the NON-STOP rake into sheet feeder and sheet delivery is required .
See also
swell
- ↑ Ökopol GmbH, BAUM-Consult GmbH: Industry report printing industry . Page A25. April 1997