Edexcel DT product design- printing Flashcards
What kind of process is screen printing?
Screen printing is a commercial process.
What is screen printing usually used for?
Screen printing is usually used for posters, displays, and promotional items.
How is a screen made in screen printing?
1) The screen, usually polyester or nylon, is stretched over a frame. 2) A stencil blocks non-permeable areas.
How is a stencil made?
A stencil is made through the photo-emulsion technique.
Explain the printing process in screen printing.
1) Place the screen over a material. 2) Apply ink, and use a squeegee to push ink through the open stencil areas onto the material. 3) Remove fabric once done. 4) Screens can be reused after cleaning.
What are the advantages of screen printing?
Advantages include: easily produced stencils, versatility for various surfaces, cost-effectiveness for short production runs.
What are the disadvantages of screen printing?
Disadvantages include: difficulty achieving fine detail, longer drying times for the printed material.
What are the applications of screen printing?
Applications include T-shirts, posters, signage, displays, and promotional items.
What is the composition of a screen in screen printing?
Screens are made of porous, finely woven fabric, typically polyester or nylon, stretched over a wooden or aluminum frame.
What needs to happen if more than one colour is wanted in screen printing on the same surface?
1) If multiple colours are used, the ink is allowed to dry. 2) The process is repeated with another screen carrying a different stencil and using a different color ink.