File:Lead and pitch in screws.png
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Lead_and_pitch_in_screws.png （724 × 384 像素，檔案大小：28 KB，MIME 類型：image/png）
摘要
| 描述 |
English: Diagram showing the difference between "lead" and "pitch" in screws. The lead is the axial distance the screw moves in one revolution. The pitch is the axial distance between adjacent threads. They are the same in "single-start" screws, but in "multiple-start" screws the lead is equal to the pitch muliplied by the number of "starts". Alterations to original drawing: Removed dimensioning and added colored labels |
| 日期 | |
| 來源 | Downloaded original drawing from Erik Oberg, A. L. Valentine, Joseph M. Stabel (1910) Screw thread cutting, 3rd Ed., The Industrial Press, New York, p.4, fig.2 on Google Books |
| 作者 | 未知 |
| 授權許可 (重用此檔案) |
Public domain in USA - Published in USA prior to 1923 |
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| 日期/時間 | 縮圖 | 尺寸 | 使用者 | 備註 | |
|---|---|---|---|---|---|
| 目前 | 2011年4月3日 (日) 17:14 | | 724 × 384（28 KB） | Chetvorno | {{Information |Description={{en|Diagram showing the difference between "''lead''" and "''pitch''" in screws. The lead is the axial distance the screw moves in one revolution. The pitch is the axial distance between adjacent threads. They are the same i |
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