E40螺紋燈頭通規
 
E40通規7006-27-7  檢測方法
目的:檢驗成品燈上E40燈頭螺紋最大尺寸和尺寸T1最小值。
檢測方法:當成品燈上的燈頭完全旋入量規內時,燈頭中心觸點應與X面共面或凸出X面。
“GO” GAUGE FOR CAPS ON FINISHED LAMPS-E40
Purpose : To check the maximum dimensions of the screw thread and dimension T1 minimum of E40 caps on finished lamps.
 
Testing :When the cap on a finished lamp has been screwed into the gauge as far as it will go,the centre contact shall be co-planar with , or project beyond , surface X .