12/10/2021

Analysis Of Process Control In Paper Packaging And Printing Enterprises

Analysis Of Process Control In Paper Packaging And Printing Enterprises         The difficulty of quality management in paper packaging and printing enterprises is process control.      This is determined by the characteristics of paper packaging and printing: there are a wide variety of products, covering almost all commodity categories; Orders vary greatly in length, ranging from hundreds of thousands to hundreds of thousands; Analysis Of Process Control In Paper Packaging And Printing Enterprises         The process routes of products are different. Some have only two or three processes, while others have more than a dozen; The production process is mostly single machine operation, which is difficult to realize the on-line assembly line production from beginning to end.Analysis Of Process Control In Paper Packaging And Printing Enterprises        After one process is completed, it is transferred to the n […]
12/10/2021

Analysis On Key Points Of Hardcover Processing Control Of Books And Periodicals

Analysis On Key Points Of Hardcover Processing Control Of Books And Periodicals        At present, manufacturers processing hardcover books generally have shell making machines and hardcover linkage production lines. However, when small enterprises produce hardcover books in small quantities, it is impossible to invest a lot of money in automatic production.Analysis On Key Points Of Hardcover Processing Control Of Books And Periodicals        When receiving small batch orders such as bidding documents and student records, we can only rely on the existing equipment for processing. Limited by processing conditions, we can only strictly control each process according to the quality standards. Analysis On Key Points Of Hardcover Processing Control Of Books And Periodicals        Products that do not meet the quality standards and requirements must not flow to the next process, and strictly grasp the on-site quality management.Anal […]
12/10/2021

Output – Laser Phototypesetting

Output – Laser Phototypesetting        The operator of the laser Imagesetter can open the file in the local software to help check the loss or obvious error of the file and correct the error. Therefore, this inspection method is very careful and stable, but it will waste a lot of time.Output – Laser Phototypesetting        Moreover, there are some defects in this method, which can not be found in the inspection; Output – Laser Phototypesetting      This method is not available for postscript files. Although many production centers do this, it is also difficult to ensure that all required fonts exist in the workstation or rip, especially for the placed EPS files.Output – Laser Phototypesetting        The application file can tell us what font is used in the document, but it won’t tell us what font is used in the EPS file.Output – Laser Phototypesetting       Now there is software for pre inspection before output, which can help operator […]
12/10/2021

Development Of Styrene Acrylic Waterborne Varnish For Printing Paper

Development Of Styrene Acrylic Waterborne Varnish For Printing Paper        Styrene, methyl methacrylate, butyl acrylate and other monomers were used as the monomers to absorb the characteristics of microemulsion polymerization and soap free emulsion polymerization.Development Of Styrene Acrylic Waterborne Varnish For Printing Paper        Styrene acrylic copolymer emulsion was synthesized by feeding in a non pre emulsified semi continuous feeding mode. Development Of Styrene Acrylic Waterborne Varnish For Printing Paper       The effects of pH regulator, subsequent monomer dropping time and heat preservation reaction time on the properties of emulsion and latex film were studied. The results showed that the monomer conversion, the solid content and the gel rate of the emulsion were 95.31%, 42.66% and 0.41% respectively.Development Of Styrene Acrylic Waterborne Varnish For Printing Paper        The gloss of […]
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