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E26灯头通规
E26/50X39,E26/51X39,E26d,E26灯头通规使用方法说明 (7006-27D-3)
目的:用来检测灯头螺纹的zui大尺寸和灯头长度的zui小尺寸。
使用方法:
a) 将灯头拧进E26灯头通规,能顺利拧入,表示灯头符合灯头螺纹的*大尺寸要求;
b) 将灯头充分拧进量规,看是否能接触到X面,如能接触到,则表示灯头长度符合*小尺寸要求。
c) 将灯头从量规旋出时,至少要旋两圈才脱离量规。
”Go” gauge for caps --- E26,E26/50X39,E26/51X39 or E26d
Purpose: To check the maximum dimensions of the screw thread and dimension T1 min of E26,E26/50X39,E26/51X39 or E26d 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 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.