Master of Engineering Computer-Aided Manufacturing Flashcards
7 cards from real ME or MEng Master of Engineering practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Master of Engineering Computer-Aided Manufacturing flashcards as text
In CNC machining, what does the G41 command specify?
Answer: Cutter radius compensation left
G41 activates cutter radius compensation to the left of the programmed tool path.
Which manufacturing process uses a focused beam of electrons to melt and fuse metal powder layer by layer?
Answer: Electron Beam Melting (EBM)
Electron Beam Melting (EBM) uses a high-energy electron beam in a vacuum to fully melt metal powder.
What is the primary purpose of a Digital Twin in Computer-Aided Manufacturing?
Answer: To create a virtual replica for simulation and monitoring of physical assets
A Digital Twin mirrors a physical asset in real time, enabling simulation, predictive maintenance, and process optimization.
In sheet metal forming simulation, which criterion is most commonly used to predict fracture during deep drawing?
Answer: Forming Limit Diagram (FLD)
The Forming Limit Diagram (FLD) maps strain states where sheet metal fractures or wrinkles during forming.
Which communication protocol is most commonly used for real-time data exchange in industrial IoT (IIoT) manufacturing environments?
Answer: OPC-UA
OPC-UA (Open Platform Communications Unified Architecture) is the standard for secure, platform-independent industrial data exchange.
When performing tolerance stack-up analysis, the Root Sum Square (RSS) method assumes that:
Answer: Individual tolerances are statistically independent and normally distributed
RSS analysis assumes tolerances are statistically independent and follow normal distributions, yielding a less conservative result than worst-case analysis.
In CAM software, what is the function of a 'rest machining' toolpath strategy?
Answer: Removing material left behind by a larger tool using a smaller tool
Rest machining identifies and removes residual material left in corners or recesses by a previous, larger cutting tool.