At present, the printing presses of the six major brands (Heidelberg, Manroland, KBA, Komori, Akiyama, and Mitsubishi) have their own characteristics. Generally speaking, the printing quality of German equipment is relatively high, which is generally reflected by the high printing pressure and good stability. Low maintenance rate. The Japanese equipment has a certain distance compared with the German equipment, but if the operator level is relatively high, the print quality can also reach a fairly high level. Similarly, if the level of operators is low, German machines can not print good products. For most printed products, there is no significant difference between the two machines.

Roland machinery has a relatively large influence in China, especially in the southern market. The impression of Roland machine is that it is durable, high precision and high degree of automation. Different from the Heidelberg machine, its folio series printing machine cylinder diameter is 300mm, and the paper transmission line completely adopts the non-contact double-diameter cylinder structure. The version of the ink roller adopts a mechanism that can be moved (other manufacturers also use a similar structure), which can eliminate ghosts.

The impression roller of the Roland machine uses hollow roller bearings. There is a certain preload during installation, which can eliminate the bearing gap during installation. Hollow roller bearings are considered to be an ideal bearing structure, but their processing is relatively difficult and the requirements for tolerances are particularly strict. The plate roller and rubber roller adopt sliding bearings (copper sleeve structure), which has strong impact resistance and high requirements on the oil circuit. If the oil circuit works poorly, it will cause excessive friction during high-speed operation.

Another feature of the Roland machine is that it uses a long shaft to provide power. From the first group to the fourth group, a long shaft is used to drive the relevant mechanism of each unit through the long axis. The advantage of this mechanism is that it can guarantee all The unit works synchronously, reducing the transmission error in the middle of the gear.

The Roland machine is also equipped with a dual paper feed mechanism, which can use either roll paper feeding method or single sheet feeding method. When using the roll paper feeding method, the paper roll part and the cut part of the roll paper can be fed into the paper feeding part. When using a single-sheet paper feeder, just leave this part away. The Roland machine has been thoughtfully considered in the design of the Feida structure. It uses four paper suction nozzles and eight paper feed nozzles, and it has a strong adaptability to thin and thick paper. Roland machines can complete post-press operations such as hot stamping, embossing, die cutting and punching online, which saves a lot of post-press operation time, which is also the most integrated printing equipment in all printing machines.

Roland machines are also equipped with online image monitoring, online color detection, online quality control and other quality management systems. These information can be connected to the network so that users can understand their print quality status. Roland 900 is a wide format printing machine, its maximum format can reach 1.8m wide, which is almost the widest in all printing presses, it is particularly suitable for packaging printing, the maximum thickness can reach 1.6mm (can be used for cardboard and other printing).

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