The photosensitive seal was invented by Japan in the early 90s of the last century. It is made of a special chemical synthetic material and emits strong light auxiliary radiation through special equipment to make the surface of the material undergo photooxidation and thermal crosslinking Seal. The ----more
2.6 Concession value of roller The roller's concession value is the difference between the distance between the notch at the notch of the roller and the distance between the non-notch and the relative time. This value is a reflection of the overall accuracy of the machine. It includes wallboa ----more
The expansion of dots does have an adverse effect on offset printing, so how to control the expansion of dots? We talk about specific operational measures from the following aspects. 1. Master the exposure time of offset printing Controlling the ratio of exposure time, development time, develope ----more
First, the cover design elements Although some secondary journals nowadays have added secondary plastic wrappers to show gentrification, their main effect is through the cover. The cover design is still the hardware of the periodical image. A successful cover design must have the following eleme ----more
The "2009 China Packaging Arts Contest and Taihu Spring Food Packaging and Printing Machinery Expo" sponsored by China Packaging Federation and Wuxi Municipal People's Government will be held on April 18, 2009 at the beautiful shore of Taihu Lake. The China Packaging Arts Contest has ----more
Patent Name Polyhedron valuable medicinal packaging box with a recycling drawer Patent applicant Yang Xijin Principal applicant Address 830054 Forward Lighting Fixtures No. 29 Liyushan Road, Urumqi City, Xinjiang Uygur Autonomous Region 2nd floor Inventor Yang Xijin Application (Patent) No. 200420 ----more
6.3 Maintenance of paper path The role of the paper path is to accurately, stably and continuously transfer the paper from the paper feeding part to the paper receiving part. Therefore, the performance of the paper path directly affects the accuracy of paper transport. There are many factors that ----more