详情介绍
E14灯头止规
图号:7006-28B-1
图号:7006-28B-1
目的:
检验成品灯上E14灯头螺纹*小外径(尺寸d)。
PURPOSE:
To check the minimum outside (major) diameter of the screw thread, dimension d, of E14 caps on finished lamps.
检验:
当量规套在成品灯(灯头向上)的灯头螺纹上时,灯头中心触点不应凸出量规的X面。检验仅利用量规的自身质量进行。
TESTING:
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the centre contact shall not project beyond surface X. Only the weight of the gauge itself shall be used in the test.
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