http://www.wirenet.org/ Thu, 20 Jun 2013 04:37:48 -0400 Kunena 1.6 http://www.wirenet.org/components/com_kunena/template/default/images/icons/rss.png http://www.wirenet.org/ en-gb http://www.wirenet.org/forum/5-electrical/2589-hummidity-in-production-hall#2589 http://www.wirenet.org/forum/5-electrical/2589-hummidity-in-production-hall#2589 Our factory placed near sea and we produce enameled wire. In often days we have high relative humidity (70% to 90%) out side of production hall. We know that standard relative humidity inside of production hall must be max. 70%. But in different places in production hall we have different relative humidity ( for example when out side humidity is 70% in production hall we have 30% humidity near applicators and 50% and near 70% in other places).

Based on above explanations I have some questions:
1- Which place in production hall must be consider for measurement of humidity?
2- Is opening or closing of production hall doors effect on amount of humidity?
3- when production hall doors are open and relative humidity out side of production hall is about 80% and inside of production hall near applicators is about 30% , do we have to close the doors?

Thanks]]> Electrical Mon, 17 Jun 2013 04:44:01 -0400 http://www.wirenet.org/forum/9-supplies-and-equipment/2581-flexible-conductor-jointing#2581 http://www.wirenet.org/forum/9-supplies-and-equipment/2581-flexible-conductor-jointing#2581 ]]> Supplies and Equipment Sun, 09 Jun 2013 07:07:52 -0400 http://www.wirenet.org/forum/5-electrical/2580-separation-tape-over-cu-conductor#2580 http://www.wirenet.org/forum/5-electrical/2580-separation-tape-over-cu-conductor#2580 ]]> Electrical Sun, 09 Jun 2013 07:00:38 -0400 http://www.wirenet.org/forum/8-nonferrous/2566-tramlines-and-blemishes?limit=6&start=6#2566 http://www.wirenet.org/forum/8-nonferrous/2566-tramlines-and-blemishes?limit=6&start=6#2566
I am a quality Engineer for a wire and stranding manufacturer.

we are experiencing quality issues with copper being supplied to us, we are seeing tramlines and blemishes, this occurs after performing a torsion test(twisting the wire on its axis 14 times to the left then 7 to the right)

The supplier is using a zero slip breakdown machine, we are going to help the supplier with some problem solving to try and find the root cause.

The question? Has anyone experienced the same defect modes? And what was the root cause or causes,

sizes affected 1.600mm,1.400mm and 1.000mm Copper

many thanks.]]> Nonferrous Tue, 04 Jun 2013 16:36:08 -0400 http://www.wirenet.org/forum/5-electrical/2564-tempetature-diference-before-and-after-catalist#2564 http://www.wirenet.org/forum/5-electrical/2564-tempetature-diference-before-and-after-catalist#2564 When we start enamelling machine befor start enamelling process, temperature before catalist is higher than after catalist. Is it true? or both tempetatures must be same?]]> Electrical Tue, 04 Jun 2013 06:31:11 -0400 http://www.wirenet.org/forum/5-electrical/2563-calculation-of-tip-die#2563 http://www.wirenet.org/forum/5-electrical/2563-calculation-of-tip-die#2563 How to calculate tip and Die for tube extrusion and pressure(vaccum) extrusion in PVC i.e

1 ) what should be the landing length of tip & die in tube extrusion
2) is there any need of landing in die of pressure extrusion.
3) what should be the DDR & DDB in both type.

Regards]]> Electrical Mon, 03 Jun 2013 14:25:21 -0400 http://www.wirenet.org/forum/8-nonferrous/2558-platinum-iridium-piping-issues#2558 http://www.wirenet.org/forum/8-nonferrous/2558-platinum-iridium-piping-issues#2558 thanks for the help.
Mandy]]> Nonferrous Tue, 21 May 2013 10:38:12 -0400