Troubleshooting two

First, the printing paper is broken through the troubleshooting method offset printing machine in the printing process, often encounter the paper smashed mouth smashing phenomenon, this will affect the accuracy of the layout, the delivery is not easy tidy, thereby reducing the product quality. The following are the main reasons why paper is smashed:
1. The scars of the swinging jaws and the broken papers are raised from the bottom upwards, because the grippers pull the paper up and down.
2. The impression cylinder broke the paper and the scar fell from the top to the bottom.
3. Receiving the paper, arranging the broken teeth and breaking the paper is a law that can be found. Which row of cavities has not been leveled. How many sheets of paper are separated from each other. The scars are smashed from the front to the front.
According to the appearance of the scars, the analysis finds out what kind of reason the paper was broken at the fistula, and if it is appropriate for the remedy, careful repositioning of the teeth will solve the problem of broken paper.
Second, the paper wrinkle solution Recently, when my factory printing a book, due to the high time quality requirements, coupled with paper wrinkles caused by ruffled children, making production can not be carried out smoothly. During our operation, we discovered that not all paper is wrinkled. We have taken the following measures to basically control this kind of failure:
1. Knock paper and control the speed at 5000-5500 inf.
2. The method of baking paper is adopted. Two heaters are installed next to the machine to bake and the baking time is strictly controlled.
3. The flat brush wheel is lighter in pressure, allowing the paper to pass flat.
4. Pay attention to the balance of ink and water, control the amount of water, and prevent crumpled paper from turning over.
Colleagues, if you run into such failures, give it a try.