| 释义 |
Definition of dedendum in English: dedendumnoun dɪˈdɛndəmdɪˈdɛndəm Engineering The radial distance from the pitch circle of a cogwheel or wormwheel to the bottom of the tooth space or groove. Compare with addendum Example sentencesExamples - Moderate scoring shows up as a characteristic wear pattern, often in patches on the addendum, dedendum, or both.
- Gears have addendums and dedendums that are the amount of tooth above and below the pitch line.
- You do need a hob drawing which would have the addendum equal to the dedendum of the gear you are cutting.
- The dedendum of the spur gear must be greater than the addendum of the lantern gear to prevent interference.
- The base, standard pitch, addendum and dedendum circles are dashed, and the rack reference origin is highlighted.
Origin Early 20th century: from Latin, 'thing that can be surrendered', neuter gerundive of dedere. Definition of dedendum in US English: dedendumnoundɪˈdɛndəmdiˈdendəm Engineering The radial distance from the pitch circle of a cogwheel or worm wheel to the bottom of the tooth space or groove. Compare with addendum Example sentencesExamples - The dedendum of the spur gear must be greater than the addendum of the lantern gear to prevent interference.
- You do need a hob drawing which would have the addendum equal to the dedendum of the gear you are cutting.
- Gears have addendums and dedendums that are the amount of tooth above and below the pitch line.
- The base, standard pitch, addendum and dedendum circles are dashed, and the rack reference origin is highlighted.
- Moderate scoring shows up as a characteristic wear pattern, often in patches on the addendum, dedendum, or both.
Origin Early 20th century: from Latin, ‘thing that can be surrendered’, neuter gerundive of dedere. |