Standard specifications throughout the printing process
What is CIP, neither hardware nor software, but a group that sets standards and regulations for printing production and management. CIP stands for Computer Integration for printing organization, including world-famous pre-press equipment, printing presses, and post-press Processing and printing graphic software companies to digital printing full-record companies, they are seen in the computerization era, printing machine manufacturers, pre-press equipment, especially CEPS high-end computer page system, pre-press layout, editing system, to For post-processing control systems, everyone often develops their own computer-controlled hardware and software, and also defines work specifications and processes by themselves, using computer programs and languages â€‹â€‹that they think are appropriate. If this continues to develop indefinitely, not only pre-press design and editing files, In the future, only the same brand will be compatible with the plate-making film and plate output. In the future, it will be like a chicken and a duck with other brands. From the pre-press plate-making and printing to post-processing, different computer languages, programs and Control logic, as well as work content and device definition, are too old to interact with each other.
Even if it is the same as pre-press equipment, but different brands of machines have to follow orders in different languages, just as it was divided into Macintosh and PC computers more than ten years ago, the two programs cannot be used interchangeably, so the printed page files are continuously converted. There is no chance. This situation is even more terrible in the printing machine room. If there are 6 machines, which are divided into four brands, and the source of the printing plate supply, in addition to their own plate making, there are three other plate making factories. If the plate scanning machine scans the plate, you may need to use two or three plate scanning machines to scan the printing pattern distribution information file, and then convert it into the instructions for the degree of ink distribution of each color ink key, because Heidelberg has its own plate scanning machine, Roland also has its own. In Japan, the Demia scanning machine is used. Although all brands have formats, it is not correct (the accuracy of the scanning is only 65% â€‹â€‹accurate) and the investment is huge. It is natural to do for different brands of printing machines. This kind of printing file suitable for the format language that each printing machine can receive can play a role. If there is no need to scan the printing plate, when there is no consistent file format to standardize, different CTF film output machines and different CTP plate output machines, the print pattern distribution file after the RIP is completed, the appropriate information format should be output for different brands When using the printing machine, this will be very troublesome. Therefore, it is necessary to arrange a certain Japanese machine to print in advance. As a result, if you are busy, you must transfer to a German machine. For example, according to the previous memory format of magnetic tapes and magnetic cards, it is impossible to communicate. Therefore, Adobe, Kodak, Agfa, Fujifilm, Heidelberg, Roland, Komori, Mitsubishi and other more than ten factories, to organize the organization of CIP 3 (Computer Integration for Prepress Printing Press Postpress), that is to run through pre-press, printing Work and post-printing work together to develop work orders with instructions, specifications or specifications that everyone can use, so not only can they cross platforms and softwares, but they also need to be able to sort, define and order the materials and operations in the process After the specification is down, if a printing machine changes the paper, it must do the feeder size, feeder head, roller paper table, double-sheet detection, edge gauge, front file, printing pressure, paper transfer air kit, glazing Unit, take-up table size, vacuum brake, upper fan and powder spray, etc. There may be more parts to be changed, such as the air volume of the air nozzle, suction nozzle or the position of the pressure roller of the paper table, vacuum belt, vacuum edge There are hundreds of places for a mechanical change in size, such as a change in the amount of air suction, etc., and a remote digital adjustment must be made.
An eight-color machine has nearly 250 ink keys and 8 ink tank rollers. The size of the total ink supply changes. These parameters are not just pre-set before printing today, even during proofreading and color correction. To adjust the changes, it is more likely to use online or offline density scanning measurement when printing officially, compare the printed data with the data of OK Sheets printed samples, and then change the ink key opening of the difference value. Adjustment, even how much the total ink volume changes should also be adjusted. For such equipment, if there is no CIP unified standard interface, the control will make different information programs and format changes according to different brands. CIP organization, under the same definition and regulation of different brands of equipment, their differences are not large, and the use of PDF files in the ClP 3 format is naturally easy to communicate. The emergence of the CIP 3 organization has been valued by many hardware equipment manufacturers, software development companies, and even companies that develop language programs such as Adobe. This is not only in unifying common commands, programs, and order, plus program specification languages. More importantly, what has been done in the printing process and the information already known, do not have to re-enter all in the next project. Such as customer name, telephone, address, contact person, job name, specification, color, plate making, pre-press service, paper type, size, thickness, binding processing, quantity, special needs and arrangement order, etc., such as in the back end Sometimes re-entry will make mistakes, and it will take time to process. Although CIP 3 can be said to be standardized to the back-end processing, it has been used by many people for many years. For folding machines, saddle stitching, and plastic binding machines, Horizon Corporation More active cooperation.
The core value of CIP 3 is to convert the large-page printed page files into 2400, 2540dpi dot matrix files for output by the output machine. This is called electronic film. If it is used in the ink key distribution area of â€‹â€‹various printing machines, it will be divided from the bite to the end of the plate, and then the cumulative percentage of each area contains the distribution of the print pattern. The information of the pattern distribution is provided to experienced or inexperienced printing press operators to make a preset reference for the ink key opening. This is the most important accurate reference data, and if there are different curves, it is necessary to select the appropriate paper and ink 1. The parameters of the printing condition curve are converted, and then the direct and quick operation of each color plate and each ink key opening is directly performed. This information generated by pre-press is given to the operator of the printing press without having to look at the printing plate to make adjustments to each ink key zone. In response to the print distribution information on the printing plate of CIP3 / CIP4 (generally converted to 72dpi from the original output file) (Right and left use), not only the extremely core value of CIP 3 information, but also the important application value in the new system of CIP4.
CIP4 improves management analysis
In fact, the CIP3, which was developed in 1993 and has three processes of pre-press, printing process and post-press processing, can only be applied by transferring known information files from the front to the downstream process. But soon Heidelberg, Manroland, Agfa, and Adobe are working on a more complete printing management tracking system. They can even collect a lot of production information for the next reprint or similar work. JMF file, automatically register a lot of work data and setting information on the MIS asset management system, and then analyze and compare it later, such as cost, profit margin, work efficiency and equipment and personnel efficiency, for further and deeper management , And provide printing factories and customers in print tracking, giving great convenience. The collection of this information can be tracked and reused, and the "processing" of analysis has formed. In addition to CIP3, which only focuses on the flow of engineering information, CIP4 adds many more complete information collection, tracking, analysis, and even special instructions on the instructions. , Such as the requirements of the printing Lab value of ink color, the number of different editions in the printing instruction, etc., the CIP4 sponsoring members are overlapped in the CIP3 framework, so it was formally established in 2000 AD, by Prepress, Printing-Press, Postpress, etc. The fourth P of data processing on Data Processing has become the new organization of CIP 4. CIP4 organization basically provides specifications and consultation, and is not a software and hardware producer. CIP 4 changes work orders and work orders. In the form of JDF file, the workpiece customer, name specification, demand and special requirements, precautions, even Lab color value density requirements and various post-processing parameters are also written in. If the printing pattern distribution file is completed, it can also be stored. JDF (Job Definition Format) job identification file, a bunch of data of CIP 3, more for the standardized definition and use, many files in one It is also easier to identify and use. The JDF file is changed to the XML extensible language. It can install a lot of new work instructions and regulations than the PDF language used by CIP3. The XML file is also one of the same cross-platform easy-to-use languages. .
CIP4's JMF (JOb Managment Format) job management information file provides job production parameters, and has a mechanism to automatically communicate, connect and log in to the MIS asset management system, so the operator's job tracking does not need to be distracted by keyboard and The input of screen data affects the operation according to the response. The JMF file is controlled by each device and actively logs in to the asset management MIS system, so where the work is going and when it is expected to be completed, regardless of the work department, the factory and the supervisor Even the permitted customers can enter the computer system to check the progress of the workpiece in production and the estimated time of completion. Moreover, the reprinted workpieces can all use the parameters adjusted or set in the previous production to produce under very similar conditions. As long as CIP 3 is recorded by the tape and magnetic card measured by the console on the printing press, the others are rarely repeated Use previous production information.
In the case of CIP4, some non-reprinted prints can find the same production parameters to apply. For example, the information file of 80P snow paper printed at 888 ï½ž 640mm can provide the next issue of magazine production, as long as the print distribution is replaced The file can be used, even for the same specifications of the prints, it can also be used to quickly and accurately adjust the size, thickness, air volume and dozens of production parameters of the machine. Just replace the print file of the content. As for The following folding, binding, and cutting parameters are also of great value, thus saving a lot of production time. But the premise is not only the adjustment of the size change and printing pressure change, but the digital servo control device is necessary to make the CNC centralized memory and centralized digital adjustment. In addition, the air volume and other adjustments such as ink roller timing and swing adjustments also need to be controlled by numerical control. The reason is that if the ink tank key is manually adjusted with screws, there is no possibility to use remote buttons to adjust the ink control, and it is impossible to quote. The numerical adjustment of memory card or CIP 3 / CIP 4 is required, so the premise of full numerical control is necessary for the digital control of servo power controlled by the equipment.
On the MIS asset management system, the production process and production parameters have been registered. In addition to production reuse, there will be greater uses in the future, which can be used as a cost analysis. The cost of a workpiece in the valuation and the actual cost of production To make an analogy, as a basis for analysis and improvement, the price is too high, too low, or the production cannot meet the original standards. Even if the materials are unsuitable, they must be stopped frequently for cleaning and wiping, or if the feeder is not smooth, it can only be driven at a low speed. Production and other factors, then the use of such materials in the future must be listed as unwelcome, or to increase the price to accept production. In the production of machinery and equipment due to lack of maintenance, old production is not smooth, you can also get information from the printing speed of MIS, the degree of production shutdown, in order to make improvements. In the analogy of personnel, the operational advantages of that one can be transferred for learning. In addition to the case analysis, the production review and inspection of the whole season and the whole year are even more important. With the information of MIS, how to fit the talents, find the right people, and do the proper and efficient working methods is also another available data.
In addition to the management information of MIS, the ERP system serves as the backbone. From the previous evaluation system, the establishment of work prints, to the management of work processes, the evaluation of production timelines and the arrangement of production machines, the ordering and supply of raw materials, the transmission of production specifications to the completion of the workpiece The quality evaluation, cost evaluation and accounting account establishment, together with the structure of the financial system and management system, in today's information era, more and more production information and management information and accounting and financial information are combined together. Very valuable thing. It's just that there is a system that only builds the road, no vehicles are used for circulation, and the best road has no value. The ERP asset management system after MIS is different for each manufacturer, so it will take time and time to establish. Unlike the CIP 3 / CIP 4 system, there is a consensus on the definition and production logic, and there is no different brand and Different gaps in operation and use exist.
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