The basic requirements for the identification of intermediate electronic color separation workers

The basic requirements for the identification of intermediate electronic color separation workers

First, applicable object

The operator of the electronic color separation machine.

Second, the application conditions

1. After graduating from high school or equivalent, after obtaining the initial technical grade certificate of this type of work, one of the following conditions is met:

(1) This trade has worked continuously for three years;

(2) Graduation from a professional school (or related major) in a secondary school, which has worked for two years;

(3) Graduate of professional college (or related major) in college.

2. Healthy, colorless, colorless.

Third, the examiner

1. Theoretical knowledge examination: Every 20 candidates have 1 invigilator (20:1), and the invigilator has no less than 2 candidates.

2. Operational skills assessment: Each 5 candidates are equipped with an assessor (5:1), and the assessor must be no less than 2 entries.

Fourth, the identification method and time

1. Theoretical knowledge test: A closed book exam is required. The proportion of questions is: fill in 20% of the blank, 20% of the multiple-choice questions, 10% of the calculation questions, 30% of the short answer questions, and 20% of the narration questions. the exam is 120 minutes long. Out of 100 points, 60 points pass.

2. Operation skills assessment: The actual operation is required, and the assessment time is 40 minutes (not including proofing). Out of 100 points, 60 points pass.

V. Requirements for appraisal tools and equipment

1.25 times more than a magnifying glass.

2. Black and white densitometer (measurable density and dot percentage) 1 set.

3. Electronic color separation machine (with original and recording film) 1 set.

4. One automatic film developing machine.

5. When evaluating the quality of color separation films, you need to configure proofing equipment.

Identification content

Project Appraisal Scope Appraisal Content and Requirements Appraisal Proportion (%) Remarks
Knowledge requirements 100
Basic knowledge 1. Basic knowledge of printing process

(1) New technologies in printing development;

(2) The basic method of image processing;

(3) The transfer role of outlets to the manuscript level;

(4) The basic principle of color reproduction of printed materials;

(5) The entire process of plate making and printing process;

(6) Knowledge about full-page imposition;

(7) Basic knowledge of platemaking chemistry;

(8) Knowledge about proofing;

(9) Electronic color separation professional English basis. 10 The terminology of printing technology is selected from national standard GB9851 "Printing technology terminology"
Basic knowledge 2. Printing Technology Terms

Tune value, color density, printability, false light mask, background color removal, background color gain, chromatogram, color correction, gray balance, sharpness, color filter, moire 5
3. The electronic color separation machine (1) grasps the basic structure of the electronic color separation machine;

(2) Grasp the basic working principle of the electronic color separation machine. 10
Professional knowledge Electronic color separation (1) can analyze the manuscript's process category, characteristics and can determine the color separation processing method;

2) Grasp the principle of electronic color separation process tone and color reproduction (white balance, black and white field calibration, record calibration, gradation correction, gray balance, color correction, sharpness adjustment, etc.). 15
Professional knowledge 2. Product quality (1) Familiar with the quality requirements of electronic color separation knowledge piece;

(2) Grasp the test methods for the quality requirements of electronic color separation films;

(3) Master the operational technical requirements that can guarantee product quality. 15
3. The equipment used has a knowledge-like failure test method for the electronic color separation machine. 20
4. Silver Salt Photosensitization (1) Known structure, performance knowledge and principle of development and fixing of photosensitive material;

(2) Grasp the test method for developing conditions. 10
Professional knowledge 5. Printing Materials (1) Understand the influence of the printability of paper on plate making;

(2) Understand the influence of ink printability on plate making;

(3) Grasp the calculation method of ink color efficiency, color shift, and gray scale. 5
Related knowledge 1. Safety knowledge (1) Familiar with the safe operation methods of the equipment and related equipment used;

(2) Familiar with the safety knowledge of fire protection and electricity use in production sites. 5
2. Equipment maintenance knowledge (1) understand the related items that need to be maintained in time;

(2) Be familiar with the medium-term maintenance methods of the equipment used;

(3) Familiar with the types and performance of tools used in mid-term maintenance. 5
Operation Skills Basic Operational Skills (1) Mastering the application of various functions of the electronic color separation machine;

(2) Grasp the production of various gradient meshes;

(3) Can adjust non-standard manuscripts;

(4) The gray balance curve can be correctly applied;

(5) Grasp the balance of color separation quality in multi-map imposition;

(6) Can replace transmission, reflection scanning light source;

(7) It is possible to change the scan lens and adjust the neutral filter in the scan head or recording head;

(8) The quality of the color separation film can be measured by means of a densitometer and a magnifying glass. 70
Use of tools and maintenance of equipment The use of tools enables the proper use of various tools and materials for the maintenance and care of equipment. 10
2. Maintenance of equipment (1) It can detect common faults and eliminate them in time;

(2) Regular cleaning and maintenance of internal screw and transmission mechanism;

(3) It can clean and maintain the relevant light path;

(4) It can clean and maintain the air pump. 10
Safe and other safe and civilized production (1) The ability to implement various provisions related to civilized production;

(2) Strictly implement safety production operation procedures. 10