Post-Processing & Quality Flashcards
6 cards from real 3D Product practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Post-Processing & Quality flashcards as text
What is 'UL certification' and why does it matter for US consumer products?
Answer: Underwriters Laboratories safety certification that verifies a product meets established safety standards for the US market
UL certification indicates a product has been independently tested and verified to meet UL safety standards — required for many electrical products sold in the US.
What is 'outgassing' in the context of product materials and manufacturing?
Answer: The release of trapped gases or volatile compounds from materials, which can cause defects in paints, adhesives, and vacuum-sensitive applications
Outgassing occurs when materials release volatile compounds — it can contaminate adhesive bonds, cloud optical surfaces, and cause paint blistering.
What is 'drop testing' used to validate in consumer product design?
Answer: That a product survives typical accidental drops without losing functionality or creating safety hazards for users
Drop testing simulates accidental drops from standardized heights onto various surfaces to verify structural integrity and safety of consumer products under real-world use conditions.
What does 'IP rating' (Ingress Protection) classify for products?
Answer: The level of protection against dust and liquid ingress into an enclosure, defined by two digits (e.g., IP67 means dustproof plus 1m submersion)
IP ratings (IEC 60529) use two digits to define protection against solid particles (0-6) and liquids (0-9) — IP67 means fully dust-tight and waterproof to 1 meter for 30 minutes.
What is 'root cause analysis' (RCA) in product quality problem solving?
Answer: A systematic investigation method to identify the fundamental cause of a defect or failure, not just its symptoms
RCA uses tools like 5 Whys and fishbone (Ishikawa) diagrams to trace a defect back to its root cause, enabling a permanent corrective action rather than a symptom fix.
What is 'CPSC compliance' relevant to for US consumer product designers?
Answer: Meeting Consumer Product Safety Commission regulations for safety standards, labeling, and reporting requirements for products sold in the US
The CPSC enforces federal safety standards for consumer products — designers must ensure products meet CPSC regulations to legally sell in the US market.