e27 cap go gauge iec7006-27B-1
The shape part of the edge of the thread shall be broken with radius of 0.2mm to 0.3mm.
Purpose:
To check the maximum dimensions of the screw thread and dimension T1 minimum of 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 center contact shall be co-planar with, or project beyond, surface X
technical parameter:
Reference | Dimension(mm) | Tolerance(mm) | Limit after wear (mm) |
d | 26.45 | +0.03/-0 | 26.50 |
d1 | 24.26 | +0.03/-0 | 24.31 |
L | 16.5 | ±0.1 |
|
O | 28 | ±0.2 |
|
P | 3.629 | - |
|
r | 1.025 | - |
|
T | 22.0 | +0.0/-0.03 |
|
V | 15 | ±0.1 |
|
W | 5 | ±0.1 |
We accept custom made including thread ring gauges and thread plug gauges,master ring gauge&plain ring gauge for
Americastandard:UN,UNC,UNF,UNEF,UNS,NPSC,NPSM,NPSH,NPSF,NPSI,NPSL,NH
UK standard: BSW,BSF
JP standard: PT
Germany standard:DIN
and other custom made standard.
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