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B22d Caps Gauges Instructions

Related gauges for B22d caps:

1. Acceptance gauge for B22d caps intended for automatic wire threading, 7006-3-1;

Purpose:

To check the suitability of automatic wire threading of B22d caps as shown on sheet 7004-10.

Testing:

The cap shall be assumed to be correct if can be inserted smoothly into the gauge until the contact places of the cap touch surface Y of the gauge.


2. Gauges for testing the insertion of caps in lampholders B22d, 7006-4A-2;

Purpose:

To check B22d cap dimensions for insertion of the cap on the finished lamp in the lampholder.

Testing:

Without undue force it shall be possible to insert the cap into the gauge until the pins have passed completely through the slots.


3. Gauge for testing the retention of B15d and B22d caps in the holder, 7006-4B-1;

Purpose:

To check cap dimensions for retention of the cap on the finished lamp in the lampholder.

Testing:

The cap of the lamp shall enter the gauge from surface X, until the pins have passed through slots Q. The caps is then turned through 90°for one pin to enter the gauged pin slot. With a slight pull the pin shall not pass surface Y. The test is made twice, the lamp being rotated through 180°,so that each pin in turn is gauged.


4. Not go gauges for caps on finished lamps B22, 7006-10-8;

Purpose:

To check dimension A in, of caps B22 on finished lamps.

Testing:

Caps on finished lamps shall be assumed to be correct if the gauge does not pass over the cap by its own weight.


5. Go gauges for caps on finished lamps BA9, B15, BA15 & B22, 7006-11-8.

Purpose:

To check dimensions A max., N min. D1 min., D1 max., and the diametrical position of the pins of caps B22 on finished lamps.

Testing:

The cap shall enter the gauge until the pins have passed through the slot 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.

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