| 单词 | jig button |
| 释义 | > as lemmasjig button jig button n. a steel bush used for accurate positioning of a jig plate when making jigs on a lathe. ΘΚΠ society > occupation and work > equipment > machine tool > [noun] > guides > jig > parts of jig plate1929 jig button1932 1932 A. P. Gwiazdowski & C. B. Lord Econ. Tool Engin. xiii. 184 (caption) Toolmaker's jig buttons. 1964 S. Crawford Basic Engin. Processes v. 134 Fig. 19 (a) shows a sectional view of a jig-button, a small cylindrical steel bush accurately ground on the circumference and end faces, the hole being about 1/ 8 inch larger in diameter than the retaining screw. These buttons can be set by end measurement. < as lemmas |
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