How to correctly use and maintain all kinds of die

2022-10-03
  • Detail

How to correctly use and maintain all kinds of die cutters

the holding point of the round pressing die cutter is large investment and easy to damage. The factors that affect the service life of the die-cutting knife mainly include: the type of substrate material being die-cut, the type of ink printed on the substrate material and the maintenance. If the printed matter is printed with metal inks such as gold and silver, the wear of the tool deformation that increases with time will be accelerated during die cutting

storage

the die-cutting knife should be stored in a cool and dry place. In order to prevent the blade from growing, a thin layer of engine oil can be brushed on and near the blade with a nylon brush. When storing, it is best to use the box provided by the die-cutting knife supplier to ensure that the blade does not contact any part or object in the box. You can wrap the die-cutting knife with foam plastic. The support block in the box must be supported on the short shafts at both ends of the die-cutting knife, not on the blade

transportation

when you need to pack and transport, you must use a solid box with appropriate size. Only one die-cutting knife is placed in each box, and the foam plastic is on the surface of the die-cutting knife. The short shafts at both ends of the die-cutting knife need to be covered with wood blocks with holes. 1. On the one hand, the wood blocks should be removed and merged on its subordinate business units, and the wood blocks should be fixed in the box to prevent the die-cutting knife from shifting in the box during transportation. The outside of the box should be wrapped tightly with packing tape, and the surface of the box must be marked with the words "vulnerable parts" to attract attention

hoisting and handling

when hoisting and handling in the workshop, cover the surface of the die-cutting knife with cloth to prevent damaging the blade. When installing other parts, prevent the parts from loosening and falling on the die-cutting knife, otherwise the die-cutting knife will be seriously damaged

use and maintenance

when using the die-cutting knife, we must adhere to the use of the roller shoulder provided by the manufacturer to wipe the felt, and drip an appropriate amount of lubricating oil upward every day, so as to keep the surface of the die-cutting knife roller shoulder and the bottom anvil roll clean, and form a thin oil film between them, so as to improve the wear resistance of the die-cutting knife roller shoulder and the bottom anvil roll surface

during the use process, it is necessary to master the wear condition of the die-cutting cutter gear at any time, and replace the gear in time if necessary. Because during processing, the manufacturer intended to make the hardness of the die cutter gear slightly lower than that of the anvil roll gear, so that wear first occurred on the die cutter gear. This can avoid frequent replacement of the bottom anvil roll gear, which is expensive and difficult to disassemble. This situation is very similar to the relative hardness relationship between the plate cylinder gear and the imprint cylinder gear, because it is easier to replace the plate cylinder gear

during die cutting, remember to apply pressure on the remaining oil at 10~11 liters. A layer of wrapping on the surface of the die-cutting knife can reduce the impact, and small pieces of paper can also be bounced out

make records

develop the habit of making records, including the number of die cuts, the date when the die cutter is returned for grinding, the condition of the paper die cut during each work, and indicate the use of metal ink if necessary. Referring to these records, we can know when we need to repair in the future production. The above is the experimental operation procedures for tightening spring deformation and workload test. Grinding die-cutting knives, and when we need to order new die-cutting knives to avoid delaying production or waste. (end)

Copyright © 2011 JIN SHI