E12灯头止规 7006-28C-1
E12 Not Go gauge for caps on finished lamps 7006-28C-1
目的:
PURPOSE:
检验成品灯上E12灯头螺纹最小外径(尺寸d)。
To check the minimum outside (major) diameter of the screw thread, dimensiion d, of E12 caps on finished lamps.
检验:
TESTING:
当量规套在成品灯(灯头朝上)的灯头螺纹上时,灯头中心触点不应凸出量规的X面。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the centre contact shall not project beyond surface X. 检验仅利用量规自身重量进行。
Only the mass of the gauge itself shall be used in the test.
E12灯头量规一套包含以下四种量规:
名称 | 型号 |
E12灯头通规 | 7006-27H-1 |
E12灯头附加通规 | 7006-27J-1 |
E12灯头止规 | 7006-28C-1 |
E12灯头接触性能规 | 7006-32-1 |