Processes for manufacturing internal gears Among common gear-making processes, which one is used for producing internal gears in general shop practice? Choose the best single option.
Mechanical Engineering
Production Engineering
Difficulty: Medium
Choose an option
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AHobbing
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BShaping with a pinion (gear) cutter
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CShaping with a rack cutter
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DMilling with a form cutter
Answer
Correct Answer: Shaping with a pinion (gear) cutter
Explanation
ConceptInternal gears are commonly produced by gear shaping (e.g., pinion-type gear shaper cutters). Standard hobbing is suited to external gears; internal hobbing is not common in basic setups. Rack-type shaping is also used but pinion-type shaping is the textbook answer.
EliminationsHobbing: generally for external gears.Milling: possible for certain forms but not standard practice for accurate internal gears.
Final AnswerShaping with a pinion (gear) cutter.