目的：
PURPOSE:
检验成品灯上E26，E26/50X39，E26/51X39或E26d灯头螺纹外径（尺寸d）。
To check the minimum outside (major) diameter of the screw thread, dimension d, of E26, E26/50x39, E26/51x39 or E26d 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，灯头中心触点不凸出X面。
检验仅利用量规的自身质量进行。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the central contact shall not project beyond surface X.
Only the weight of the gauge itself shall be used in the test.
_____________________________________________________________
目的：
PURPOSE:
检验成品灯上的E26灯头的螺纹尺寸和值尺寸T1。
To check the maximum dimensions of the screw thread and dimension T1min of E26, E26/50x39, E26/51x39
or E26d caps on finished lamps.
检验：
TESTING:
当成品灯上的灯头完全旋入量规内时，灯头中心触点应与X面接触。当灯从量规中取出时，至少应旋入两整圈才能脱离螺纹。
When the cap on a finished lamp has been screwed into the gauge as far as it will go, the central contact
shall touch surface X. When the lamp is removed from the gauge, at least two full turns shall be required to disengage
the threads.
TEL:0755-23702758
FAX:0755-23702756
24H服务电话：
13631576199