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钳工划线用的划针盘一般都是单针的。如果工件上有几条线,采用这种划线盘划线就需要不断地校正划线高度,逐一地把线条划了来;因此辅助工时花去很多。钳工老师傅潘全生改进的多针划线盘对这种工件划经,可以提高效率好几倍;它特别适用于成批生产。多针划线盘的结构如附图所示。这组划针的高度是通过上耳和下耳来调整的;而各个划针的距离可以任意调节。
Fitter scribing with the needle plate is generally a single needle. If there are several lines on the work piece, using this type of scribing line requires a constant correction of the scribing line height to draw the lines one by one; therefore, the auxiliary work time is much more expensive. Fitter Master Pan Quansheng improved multi-needle scribing plate on the workpiece by planning, you can improve efficiency several times; it is particularly suitable for mass production. Multi-needle scribing disc structure as shown in the figure. The height of this set of stitch is adjusted by the upper ear and the lower ear; and the distance of each stitch can be adjusted freely.