E40灯头止规|7006-28D-1|E40灯头量规|灯头量规

E40灯头止规7006-28D-1

Not Go Gauge for E40 Caps on Finished Lamps 7006-28D-1

目的：

Purpose:

检验成品灯上E40灯头螺纹最小外径（尺寸d）。

To check the minimum outside (major) diameter of the screw thread, dimension d, of E40 caps on finished lamps.

检验：

Testing:

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X面。检验仅利用量规本身的重量进行。

When the gauge is placed over the thread of the cap on a finished lamps, held cap uppermost, the centre contact shall not projeject beyond surface X. Only the weight of the gauge itself shall be used in the test.

E40灯头量规一套包含以下四种量规：