Hot ink rolls are popular method of printing in bakeries mostly used by products which are packed by horizontal flow wrap machines and vertical form fill machines.Ink roll sizes are selected as per the sizes of characters and space utilised by the labels on the product pack . These ink rolls are placed on coders which makes contact with brass characters placed on type holders . Used to create labels such as production date , price and batch codes .Maximum rows could be of three to four of labels with pre defined size of alphabet or number . These brass characters are also of two different type as per printing arrangement of coders such as axial or radial .
Other form of printings include ink jet printing and thermal tape printing
Principle of Hot Melt Touch Dry Printing
These ink rolls are soaked and dried with printing ink which on heating releases molten ink which gets stuck into the brass character and when deposited on cool packing film solidifies are thus we get printing for packs.
These characters then creates prints on pre set coding space for labels . Ink rolls are of different sizes depending on application and no of characters needs to be printed some popular sizes are 36 mm x32 mm , 40 x32 mm , 38 x32 mm . Colors of Ink rolls also varies as per requirement you can get black,green,red and white ink rolls .Quality of Ink rolls are classified as per no of impression or life on ink rolls . Depending on the usage the no of impression for normal ink rolls . On average it should have life of something between 80,000 to 100,000 impression .
Cost saving ideas on Ink Rolls
- Recycle used ink rolls through dipping these used rolls into ink and then drying it to be ready for re use.
- Cutting the ink rolls in middle are placing these part with reversed side .
Please check the quality of print before you implement these ideas .