What Does an Offset Press Operator Do?

Business card offset printing machine is a kind of offset printing machine, mainly for small size printing of business cards, tags, cards, etc. Therefore, the machine is designed to be compact and easy to operate, which is very suitable for use in some small stores. The printing principle of the machine is the same as that of offset printing machines. The main difference is the size range of offset printing. This machine must be matched with a plate exposure machine. If UV printing is used, it must also be equipped with a UV dryer. Auxiliary equipment In addition to UV dryers, business card bronzing machines, paper cutters, etc. can be matched according to business card process requirements.

Business card offset printing machine

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Business card offset printing machine is

1. The offset printing machine must work in a clean and tidy environment. The workshop must be cleaned and the sanitary condition must be good.

2. The operator must master the operation skills, be able to operate the offset printing machine flexibly, be proficient in the basic working principle of the offset printing machine and pay attention to some performance characteristics. The operator must be able to deal with some simple failures of the offset printing machine by himself, which can be resolved in time to avoid it The faulty offset press is still working;

3. The operator of the offset press working space needs to develop a complete set of operation management system to ensure standardized operation and work according to the installation operation process;

4. In addition, the routine maintenance and inspection of the offset printing machine should be carried out regularly, and the offset printing machine should be frequently greased to increase the smoothness at work. The working conditions of some parts should also be checked to see if they are aging and whether new parts need to be replaced.

The common business card offset presses on the market, whether it is a small machine of 3,000 yuan or more than 10,000 yuan of high-end machines, the printing principle is actually the same, they are printed using the PS version using the principle of water and ink separation. ^[1]

Because printing a box of business cards requires multiple processes such as pre-press adjustments, color changes, and ink washing, in addition to the motor speed, fast adjustment and fast ink washing of the business card machine are the real keys to a good business card machine.

Adjusting the speed refers to the time required to hang the PS plate on the cylinder of the offset press, and then adjust the heaven, earth, left and right, and the plate skew until the qualified first business card is printed. ^[1]

When testing the overprinting accuracy of a business card machine, the first printed business card is usually put back into the machine, and the second printing is performed without any adjustment, so that the business card machine with good overprinting accuracy will not produce ghosting. And, some business card machines with high overprint accuracy still do not produce ghosting after three consecutive reprints, and the text is not aliased. In addition, the adjustment device of the business card machine also determines the printing accuracy: if the domestic equipment of the world s adjustment screw is too large, the direct expression is that the adjustment screw is in large neutral when it is turned back and forth, and the adjustment screw is turned 1 / 3 turns or even more than half a turn can drive the paper pusher forward, and the adjustment of the distance is not easy to grasp; there are no slots on the locking screws of some business card machine heaven and earth adjustment devices. After adjustment, you can only tighten the fixing screws by hand instead of using The tool (screwdriver) is locked, so when the machine is running at high speed or printing in large quantities, it will affect the accuracy of overprint due to errors in the world. ^[1]