Page 23 - Training 2019

These are some of the slitting process that are used across a wide range of industries in the
printing industry. Below are a few industries that do slitting and converting daily.
 Paper Converting;
 Label Printing;
 Flexible Packaging;
 Corrugated Industry;
 Paper Bag Manufacturing;
 Litho Printers;
 Core Manufactures
 Textile Industry
 Carpet Manufactures.

BOTTOM CUTTERS OR ANVILS
There are several different types of bottom anvils that are available in the market. All bottom
anvils are made of K110 steel. After manufacturing the bottom anvils, they go for hardening
to 58—60 HRC as the bottom anvils need to be hardened so that it does not go blunt too
quickly. The bottom anvil is driven from your main drive train. The bottom anvils are more
difficult to change hence one of the reasons that they are made of a harden material. The
top knives are also made from K110 or D2.

DIFFERENCE BETWEEN VARIOUS BOTTOM ANVILS.
 SINGLE BEVEL ANVIL.

The most common type of bottom anvil that are used in the industry are Single Bevel Bottom
Anvils. This is widely used throughout the industry and is the norm. You will find this type
of bottom anvil is used in all paper, plastic and foil converters and are manufactured in
various forms as follows:

 FREE LOCKING ANVIL.

The Free Locking (FL) bottom anvil has no physical locking mechanism device on it at all.
They are slipped onto the shaft with spacers between each bottom anvil. Then it is locked
into position from one side with a locking nut. This keeps them in position and prevents

ANVIL TRAINING MANUAL 6
Updated - 24 June 2019