目的：
检验成品灯具上BA9、B15、BA15和B22灯头的尺寸Amax、Nmin、D1min和D1max，以及销钉的径向位置。
检验：
将灯头插入量规，直至其销钉通过狭槽Q。然后，将灯头转动一微小的角度，并将其按压，从而使其销钉与S面紧密接触。在此位置上形成接触的面不应低于X面，也不应凸出Z面。
注：如果规定要求检验GB/T1406.5-7004-11所示尺寸Dmax,可采用类似的量规检验未组装的B15灯头。
Purpose:
To check dimension A max. , N min. , Di min. , Di max. , and the diametrical position of the pins of caps BA9, BA15 and B22 on finished lamps.
Testing:
The cap shall enter the gauge until the pins have passed through the slots Q. The cap is then turned through a small angle and is pressed so that the pins are in close contact with surface S. In this position, the contact-making surface shall not be below surface X nor shall it project beyond surface Z.
Note: A similar gauge may be used for checking unmounted caps B15 provided that provision is made for checking dimension D max. as shown on sheet 7004-11.
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目的：
分别检验成品灯上BA9、B15、B22和BY22d灯头的尺寸Amin.
检验：
如果量规仅靠其自身重量不能套进成品灯头上，则该灯头应视为合格。检验B15灯头的量规也可用于检验未组装的灯头。
检验B15灯头的量规也可用于检验未组装的灯头。
Purpose:
To check dimension A min. of caps BA9, B15, B22 and BY22d on finished lamps respectively.
Testing:
Caps on finished lamps shall be assumed to be correct if the gauge does not pass over the cap by its own weight.
The gauge for B15 may also be used for checking unmounted caps.
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