Well, if that's the case it means that Fair-Rite did a poor job of
transferring the manufacturing, and yes ... I've seen a bunch of other
companies do the same crappy job of it especially when all they were
looking for was quick cost reduction. Those companies who made a
commitment to do it right have found a large pool of highly
conscientious technical labor in China just like we did. Those who
merely tried to port their processes over to some existing facility
usually failed.
My gripe is that simply bashing anything made in China is decades out of
date and a bad generalization.
73,
Dave AB7E
On 11/2/2019 1:48 PM, Jack Brindle via TowerTalk wrote:
Sadly, there is much evidence. Fair-rite quality really took a hit after they
moved production to Asia. So much so that many companies have had to institute
new QA procedures on incoming product to see if the characteristics come close
to fitting the requirements. One of the biggest ones is large 60Hz transformer
toroids that were failing in normal service because of the manufacturing
issues. The company does still have some non-Asia manufacturing capability, and
many companies are specifying product only from those sites.
So yes, the toroids do have issues that are very problematic.
Jack, W6FB
On Nov 2, 2019, at 11:21 AM, David Gilbert <xdavid@cis-broadband.com> wrote:
I find that kind of China bashing pretty funny. Ridiculous as a generalization.
I worked for a large semiconductor manufacturer for over thirty years and we
ended up putting a joint venture manufacturing operation in China ... not
simply for low cost, but also to be able to serve the Asian market better and
to be able to head off future tariff concerns within China. We spec'd our own
equipment, we trained all the operators, and we put our own managers in key
positions. Most of those positions are now staffed by locals. The resulting
quality was literally best-in-class on a world basis. MANY other U.S.,
European, and even Japanese companies have done exactly the same, and nothing
says that Fair-Rite hasn't as well.
It is certainly true that many of the smaller locally owned companies in China
have sloppy process and quality control, but companies like the large
subcontract outfits in China put equivalent U.S. manufacturing to shame for
overall manufacturing excellence.
In the case of ferrites, the problem is the inherent variability of the process
itself and the problem previously existed wherever the ferrites were previously
manufactured ... including here in the U.S. Why you think the variability was
less before the manufacturing went to China is beyond me. Several of us here
have already explained that it wasn't.
Dave AB7E
On 11/2/2019 10:18 AM, Jim Thomson wrote:
Date: Sat, 2 Nov 2019 13:25:19 +0000 (UTC)
From: Roger Parsons <ve3zi@yahoo.com>
To: "Tower and HF Antenna Construction Topics."
<towertalk@contesting.com>, "jim@audiosystemsgroup.com"
<jim@audiosystemsgroup.com>
Subject: [TowerTalk] Ferrites 31 vs. 77 material
<Very funny.
<The posts from both N6RK and AB7E support my statement that variability in
ferrite parameters has been known for a very long time. You're the one who
asserted that it has just been discovered and that therefore Steve G3TXQ could not
have known about it.
<73 RogerVE3ZI
## I believe it was N3RR that bought 700, (seven hundred) type 31 cores
from one supplier, all from the same lot number..2 years ago. He used a
simple 1 turn link to test them..and then graded them. They were all over the
map, + and – 22%. Thats a whopping 44% spread. No 2 ferrites the
same! ALL made in China......so what do you expect ? So much for fairite
moving their factory to China. QC down the tubes ever since.
Jim VE7RF
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