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From: email@example.com (Nico Coesel)
Subject: Re: Disk drive handling in assembly
Date: Fri, 04 Oct 2002 13:37:19 GMT
References: <3D9CF7A9.BF4BB1C0@webaccess.net> <firstname.lastname@example.org> <3D9D8B86.C935D6CB@webaccess.net>
NNTP-Posting-Date: Fri, 4 Oct 2002 13:39:19 +0000 (UTC)
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Chuck Simmons wrote:
>Nico Coesel wrote:
>> Chuck Simmons wrote:
>> >I have a few questions about how hard drives are handled in assembly
>> >situations when hundreds or thousands of drives might be handled in a
>> >day. The motive for this question derives from a question about high
>> >failure rate experienced by a particular company. I have already given
>> >my views on the problem to the engineering VP of the company and I am
>> >arraging a consultant to check my conjectures and look for other
>> >problems. But my questions concern how other companies handle hard
>> >drives. My questions are the following.
>> I've had a discussion with several other people about similar
>> problems. It seems that some batches are transported more carefully
>> than others. This causes some companies to receive a batch with a high
>> failure rate while other companies have near no zero problems with a
>> particular type of disk.
>Handling damage in small drives makes transportation damage a sort of
>background noise. In the 3.5 inch drives, I know of no documented case
>of systematic shipping damage while installation handling damage has
>been documented many times. I was asked to look at this from the drive
>maker's point of view since that is where I come from. Transportation
>damage is very low probability from that point of view. Handling damage
>is definitely the front runner.
From what I've seen in several computershops they don't have soft
benches, ESD precautions, etc. I have no idea how Dell, HP, etc
assemble their PC's. If a hard drive is so sensitive to mechanical
shocks, why isn't there a big-fat-warning on the drives?
Just a question from curiosity: how can you be sure that most damage
is handling damage during assembly? I mean, I'm wondering how you
could see wether a drive is damaged during transport or during
Reply to nico@nctdevpuntnl (punt=.)
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