Screen Printing Process
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Follow on Instagram for UpdatesScreen Printing Process Syllabus — Unit-wise Content
The official GTU curriculum for Screen Printing Process (subject code 4335805) as prescribed for PT · Semester 3 divides the course into 6 units, covering 28 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (4335805)Unit 1 Introductio n to screen printing
- 1.1. Introduction to the screen-printing process
- 1.2. History and development of the screen- printing process.
- 1.3. Comparison with other printing processes
- 1.4. Merits and demerits of the screen- printing process
- 1.5. Application of screen-printing process like Graphics, Packaging, Automotive, and printed electronics Screen Printing Process Course Code: 4335805 above level) Topics and Sub-topics
Unit 2 Materials for screen printing
- 2.1. Screen mesh: composition, physical fabrics properties, elongation characteristics of polyester fabrics, mesh count, mesh opening
- 2.2. Flood coater: working, stroke speed, angle
- 2.3. Photo emulsion: liquid emulsions and dry emulsions, direct photo stencil, indirect photo stencil, bichromate based emulsions, diazo based emulsions, photopolymer emulsions, dual cure emulsions
- 2.4. Squeegees: Materials, blade profile, durometer, sharpening and maintenance, instrumentation and tools, shore A hardness tester
- 2.5. Frames: materials used for the frame, frame size, factors affecting selection of frame
- 2.6. Substrate and inks: types of substrate and, types of inks
Unit 3 Mesh stretching and screen preparatio n method
- 3.1. Mesh stretching: hand stretching, mechanical stretching, pneumatic stretching, the need of mesh stretching monitoring, instrumentation, and tools, screen tension meters
- 3.2. Pre-press and films: Evaluating film quality, density, and image quality, Resolution, screen angle
- 3.3. Steps in screen preparation: mesh stretching, degreasing, drying, emulsion coating, drying coated mesh, exposure, development, inspection of the screen, computer to screen
- 3.4. Stencils: hand-cut, direct, indirect, direct, and indirect, comparison between all types of stencil
Unit 4 Screen printing machines and equipment
- 4.1. Different configurations of screen- printing machines like, manual, semi- automatic, automatic, rotary, carousel, etc.
- 4.2. Advantages and limitations of various configuration
- 4.3. Type of clamps: g clamp, c clamp etc.
- 4.4. Types of dryers: racks, wicket dryers, flatbed dryers, UV dryers
Unit 5 Press set
- 4.1. Press parameter: color sequence, off- contact distance, three-point Screen Printing Process Course Code: 4335805 above level) Topics and Sub-topics up and operations deposition and press parameters
- 4.2. Controlling ink deposit using press controls, squeegee speed, angle, and pressure
- 4.3. Press work condition: dust free and temperature-controlled environment
- 4.4. Troubleshooting: causes and remedy
Unit 6 Handling Print Waste
- 5.1. Hazardous materials used by the screen-printing process.
- 5.2. Methods of disposing hazardous screen-printing waste
- 5.3. Rules and regulations of disposing of hazardous materials
- 5.4. Recirculation systems
- 5.5. Water filtration
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