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English Translations » 【化工工程交流】 » Fundamentals of Manufacturing Processes (Multiple Choice) 20

Fundamentals of Manufacturing Processes (Multiple Choice) 20180209

2018-02-09View Original

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Gear pumps are those that require relief grooves to address the oil trapping issue. A. Straight B. Slanted C. Herringbone D. All Hint: In a set of helical gears (or herringbone gears), when one pair of teeth at the discharge chamber end just engage to form a tooth seal space, the teeth at the other end, near the suction chamber, are about to separate, so the oil trapping phenomenon is not severe.
Reply #22018-02-09
It is the gear pump of type A that requires a relief groove to address the oil trapping issue. A. Straight B. Slanted C. Herringbone D. All

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Translated at 2026-07-21 04:01:51

Original: https://bbs.hcbbs.com/thread-1923981-1-1.html

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