E40螺口式灯头通规7006-27-7使用方法及目的-深圳市嘉士达精密仪器有限公司手机版

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E40螺口式灯头通规7006-27-7使用方法及目的

The shape part of the edge of the thread shall be broken with radius of 0.2mm to 0.3mm.

量规螺纹边口应以0.2~0.3mm半径倒圆。

Purpose目的：

To check the maximum dimensions of the screw thread and dimension T1 minimum of caps on finished lamps.

检查成品灯灯头螺纹大尺寸和T1的小值

Testing 测试方法：

When the cap on a finished lamp has been screwed into the gauge as far as it will go, the center contact shall be co-planar with, or project beyond, surface X.

当成品灯上的灯头*旋入量规内时，灯头中心触点应与X面共面或凸出X面。

测试图纸：

测试参数：

Reference 尺寸符号	Dimension/尺寸（mm）	Tolerance/公差（mm）	Limit after wear 磨损后限值（mm）
d	39.50	+0.03/-0	39.55
d1	35.90	+0.03/-0	35.95
L	27	±0.1
O	41	±0.2
P	6.350	-
r	1.85	-
T	34.0	+0.0/-0.03
V	26	±0.1
W	6	±0.1

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