Commercial processes (AQA GCSE Design and Technology): Flashcards
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What are commercial processes?
What are commercial processes?
Automated methods for high-speed, accurate assembly
What is pick and place (PNP) assembly?
What is pick and place (PNP) assembly?
Automated process using robots to place components on boards
Technology SMT uses to pick components
Technology SMT uses to pick components
Vacuum technology
What is through-hole technology?
What is through-hole technology?
Component leads inserted through pre-drilled holes in PCB
Most popular method for surface mount components
Most popular method for surface mount components
Flow/re-flow soldering
How solder paste is applied in re-flow soldering
How solder paste is applied in re-flow soldering
Using stencils
What is wave flow soldering?
What is wave flow soldering?
Boards pass over a wave of molten solder
Purpose of fluxing in soldering
Purpose of fluxing in soldering
Helps solder flow and prevents oxidation
How PNP machines eliminate human error
How PNP machines eliminate human error
Consistent accuracy in component placement
Advantage of commercial soldering processes
Advantage of commercial soldering processes
Uniform heating and cooling cycles