The printing skills contest is divided into two parts, one is the theoretical assessment, and the other is the operation skills. Operating skills are very important in these two parts. Whether it can win in the operation skills depends on whether the operation is standardized.
The printing skills contest can best reflect the standard operation: the deployment of multi-color inks, and the other is to print the printed matter in accordance with the print within the specified time.
The preparation of compound color ink is to test the comprehension of the knowledge of printing chromology through the player's practical ability. When the ink, doctor blade, ink-adjusting paper (board) and other materials are ready, the standard operation sequence should be:
Analyze the color sample → select ink → determine the required ink volume → pick out the ink → mix → apply and scrape the ink sample → contrast → successive correction → cut out the ink sample → paste next to the color sample → complete
It is not enough for players to understand the order of operations, but also to work hard on the speed and accuracy of the operations.
For printing the printed matter in accordance with the print within the specified time. The first step is to analyze the printing sample, observe the printing plate, and determine the amount of ink on the printing plate; the second step is to accurately install the printing plate; the third step is to supply water and ink; the fourth step is to proofread ... In this series of operations, the standard operation is very important, because the standard operation can reduce the auxiliary time and accurately adjust the water-ink balance, not only this, but also save the original and auxiliary materials, and can print within the specified time Produce qualified prints.
In the first printing skill competition in 2008, I was in a certain place to supervise the exam. It is rare to see the competitors who can complete the above two skill competitions in a regulated manner. I hope this printing skill competition can be improved.
Normative operation is achieved through repeated practice in practice. I have a very deep experience in this. The reason is that I was the captain of the offset press when I was young. This time, the "Lithographer · Second Volume" co-edited by Chen Hong and my teacher, in the operation training section, is particularly related to this point. Now I choose to record the following for reference by the tutors and players.
Operation training steps
Operation training is the most important link in technical training, so in the operation training process, it is necessary to speak knowledge related to operation skills in order to better complete the training activities. The formation of operation skills is the process of gradually mastering certain operation methods through practice. Generally, it can be divided into three steps, namely cognition, imitation and proficiency.
(1) Cognition
The purpose of cognition is to make the learners have a preliminary understanding of the operation skills they have learned. Their main task is to form a directional operation impression according to the basic requirements of skill operation.
(2) Imitation
Imitation is a special form of learning. It refers to imitating the operation mode or behavior of the demonstrator and reproducing the operation or behavior of the demonstrator. Imitation is a necessary prerequisite for the operation impression formed in the previous stage, and is carried out under the guidance and adjustment of the operation impression. The main task of this stage is to connect individual operation actions through repeated practice.
(3) Skilled
Proficiency is based on the first two steps, and through rigorous practice, the operator's skills are standardized, skilled, and highly adaptable. Special emphasis is on this kind of practice is a purposeful, step-by-step, instructional interactive teaching activity.
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