In the production of offset printing, static electricity has always been a headache for operators. Due to the different design and production conditions of the plant in each unit. There are different emergency methods for the prevention and elimination of static electricity. There is static electricity in the paper receiving table. It is effective when the paper suction nozzle of Feida cannot absorb paper when printing the reverse side. Related appliances: a 50cm long steel ruler, a 10m iron wire or copper core wire with a length of 1.5m , An iron bucket or tin box.
Specific method: First, use an iron bucket to hold half a bucket of water and place it under the paper collection table (subject to the paper collection table being unable to press the water bucket); put the end of the iron wire into the hanging ruler hole of the steel ruler and bend it into a diameter of 30mm Ring, fasten the steel ruler, and then put the other end of the wire into the iron bucket filled with water to conduct electricity. Put the steel ruler with the wire into the paper of the static paper receiving table and move it around a dozen times ( 200 sheets of paper can be moved once). It will obviously reduce static electricity. This method is very effective for four-leaf or folio offset presses.
Painting and tracing without a lightbox is like painting on a canvas without an easel. The light box is a translucent surface uniformly backlit by LEDs. It allows you to paint with the highest precision no matter where you are. Illustrators can use the tracing lightbox to color comic strips directly from pencil sketches without the need for tracing or carbon paper.
In addition to being great for drawing and tracing, photographers can also use light boxes to view slides or negatives. Light boxes are also very handy tools for crafts.
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