The vast majority of aircraft control cables are terminated with swaged terminals, that must be

Question

BlackTom AI · Accepted Answer

Swaging creates a permanent mechanical joint between the cable and its terminal, so verifying the physical dimensions and seating of the swage is essential. A go-no-go gauge is the standard inspection tool used to ensure the formed terminal meets manufacture-specified diameter/size tolerances and seating depth both before and after swaging.

1. Relevant knowledge points and concepts
- Swaged terminal: metal sleeve deformed around cable to form a termination.  
- Tolerances: terminals must meet precise dimensional and fit criteria to ensure strength and correct clearance.  
- Go-no-go gauge: a pass/fail gauge with "go" (acceptable) and "no-go" (reject) limits corresponding to manufacturer's dimensions.  
- Pull testing: destructive or sample testing method used for certification or sampling, not for every termination.  
- Corrosion treatment: protective measure but not a dimensional verification method.

2. Step-by-step reasoning
- The safety of aircraft control cables depends on proper swage geometry and seating; an improperly swaged terminal can slip or fail.  
- Manufacturers specify acceptable outer diameters, lengths, and seating dimensions for each terminal.  
- A go-no-go gauge directly tests these dimensions non-destructively: the "go" end must fit, and the "no-go" end must not fit.  
- Inspectors therefore use the gauge before swaging (to confirm terminal/cable assembly fits the tooling and size) and after swaging (to confirm the final formed terminal is within tolerance).

3. Intermediate inspection steps
- Fit terminal on cable and check with "go" gauge pre-swage; swage using correct dies; perform visual inspection; check with "go" and "no-go" post-swage; record compliance.

4. Why the correct answer is correct
- The go-no-go gauge provides direct, repeatable, non-destructive verification of the swaged terminal in line with manufacturer requirements, ensuring safe, consistent terminations.

5. Why other options are incorrect
- Corrosion treatment is a protective step but does not verify correct swage dimensions or seating.  
- Pull testing every termination is impractical and destructive; pull tests are used for sample verification or certification, not routine check of every swage.

6. Conclusion
The correct procedure is that swaged terminals are checked with a go-no-go gauge before and after swaging to show compliance with the manufacturer's requirements, which matches the provided answer.

The vast majority of aircraft control cables are terminated with swaged terminals, that must be单项选择题

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