At Drupa2004, visitors can have a feast for all. Large format, suction belt paper control, in-line post-processing and many other innovative technologies are all designed to speed up printing preparation time and improve production efficiency.
At Drupa2004, visitors can feel that the manufacturers of sheetfed printing machines have spared no effort to innovate and upgrade the technology. Many manufacturers have launched the first 40-inch sheetfed equipment, some of which are single-sided printing Others are double-sided printing, which also contains many new technologies, which makes the industry excited. This is achieved under the drive of the market.
Equipment manufacturers pointed out that the main trends of Drupa2004 mainly include the following four points:
1. It is a "double-double-size" impression cylinder (its perimeter is four times the plate cylinder or blanket cylinder);
2. Double-double-size transfer equipment (no longer drum type), used for contactless paper processing in double-sided printing equipment;
3. The vacuum suction belt is used to control the accuracy of the paper feeding and receiving place;
4. The maximum printing format of the machine can reach 41 inches, which will become a standard equipment format, which gives printing companies more flexibility, especially packaging printing companies.
In addition, other improvements have greatly reduced equipment maintenance or downtime, and improved pre-press preparation time and production efficiency.
JDF connection
Another feature of this exhibition is that printing press manufacturers pay special attention to the support of print production file format (PPF) and job definition file format (JDF), and use these file formats as a standard industry process for their products This is a phenomenon that has never happened before. The universal JDF interface developed by the CIP4 organization can exchange data between management information systems, prepress systems, and job communications.
At present, more and more printing companies regard their production and operating environment as a manufacturing environment, rather than simply as some printing workshops. In order to improve the degree of automated production of the enterprise and improve the process flow, it is necessary to propose a platform to extend the information ring from the pre-press and printing workshop to the post-processing workshop. JDF is used to complete this task, it can seamlessly provide all operation information to the entire process.
New model
1. The 40-inch device launched by Akiyama on Drupa is called the eXtreme 40 series. The company has been transforming their printing equipment for 10 years. The eXtreme launched this time is a brand-new set of equipment and is expected to enter the market by the end of this year.
On display at Drupa is the four-color eXtreme 440, which has a variety of options including two-color, four-color, five-color and six-color units, and can be equipped with water-based and UV varnish coating units. Its main feature is that the impression cylinder is twice as large as the original one, and the transfer cylinder is three times as large as the original one. It supports the CIP4 process, which can be automatically uploaded, preset, and automatic blanket and roller cleaning functions, and can also choose to add a closed-loop color control module. It has an open network environment and is suitable for digital workflow.
The speed of the printing machine has been increased from the original 13,000 sheets per hour to the current 16,000 sheets per hour. The thickness of the printable material ranges from 0.04mm to 1.0mm, including different printing materials such as cardboard and plastic. A new set of vacuum suction paper feed device has also been added to eXtreme, which can reduce or even completely avoid the appearance of indentation. The most distinctive feature of Akiyama's equipment is its plate installation system. It is said that all plates can be replaced at the same time in the shortest time.
In addition, Akiyama is proud of its 40-inch Jprint 10-color double-sided printing equipment, which has improved the paper feed and delivery systems.
Second, Heidelberg also exhibited their latest improved 40-inch products, Speedmaster102 (double-sided) and CD102 (single-sided) models.
This time, Heidelberg made improvements to the SM 102 roller sleeve, which can greatly improve the quality of double-sided printing. The new roller sleeves are called PerfectJacket Plus and TransferJacket Plus. According to Heidelberg, this technology can also be used in the old Speedmaster Install or refurbish the SM 102.
In addition, Heidelberg also unveiled the Speedmaster CD 102, a completely redesigned veil. The new equipment complies with the latest legal technical production safety standards and is more ergonomic. Therefore, this device is very prominent in terms of safety and environmental protection.
Speedmaster 102's paper delivery mechanism uses Preset Plus to replace the original suction claws, wheels and brushes. Instead, a central suction belt is installed on the paper delivery platform to shorten the printing preparation time and the paper transfer process. more stable. The Preset Plus delivery device of Speedmaster CD 102 has also been completely improved.
As early as last October, CSI Printing Company ordered a Speedmaster CD 102 10-color double-sided printing machine. At that time, this new Preset Plus was used. CSI was founded in 1939 and currently has 150 employees. It is a private commercial printing company. They feel very good after using the Speedmaster CD 102 with the new Feida. They said: "This new design has solved Many problems. The old Feida used wheels and brushes, which often caused the paper to wrinkle, shift, or rebound due to excessive pressure. Now, the new Feida has a 10-inch wide suction belt and is placed. At the center of the paper transport platform and controlled by the computer, the problems mentioned above are solved. "
Maybe some people think that the new Feida looks a little weird, so they doubt its function. In fact, with this new feeder, the paper is moved under the control of air, and the amount of air is controlled by the computer, making the movement and positioning of the paper more accurate. The computer can record the data of each job, so the output, pre-press preparation and job replacement become simpler and faster. For the same size and weight of paper, there is no need to re-set it.
According to CSI's experience, setting up a 40-inch job with front and back 5-color printing takes only about 20 minutes, and its production capacity has also increased 3-4 times compared to the original. CSI currently has a production capacity of 600,000 printed sheets per 24 hours.
3. KBA also launched their rounded 41.5-inch Rapida105 printing press on Drupa, which is faster. It has great innovations in design and drive. First-class Feida design, automatic pallet changer, control panel operation, the latest cylinder size and the extension of the take-up device all make the printing machine run more smoothly. , Can also be printed on thicker paper. In addition, the running speed of single-sided printing reached 18,000 sheets per hour, and double-sided printing also had 15,000 sheets per hour.
It is said that KBA is the world's first printing machine manufacturer that uses dedicated motors to drive the delivery table, feeder head, and stacker table. Generally, printing machines are driven by the drive shaft to complete these functions. The improved printing machine has some benefits, ensuring that the movement of the stacking table is smoother and smoother, and avoids the abnormal shutdown of the printing machine. During operation, the suction belt removes the paper from the transfer table and returns it to the counter table. Rapida105 uses the computer to adjust the pre-regulation when feeding paper.
Other features include:
1. Faster automatic plate changing device;
2. Non-contact pneumatic paper transfer belt, can transport paper weighing 205lb;
3. A set of cleaning system for blanket and impression cylinder;
4. A set of differential wetting unit, which can clean the printing plate as needed;
5. Automatic three-point ink track separation during shutdown, while the external shape remains unchanged;
6. It has the function of disconnecting unused ink tubes.
The upgraded control panel uses the Win2000 operating system as a support platform and provides a variety of functions and features. The dual-channel bracket of the plate-changing system can be automatically activated on the printing press console, and several units can be carried out at the same time, so that the work of the next job can be completed while the job is still printing.
Rapida 105 exhibited on Drupa is a set of six-color belt coating machine, featuring two operations of printing and coating at one time.
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