Re: How far I've come...
By: MRO to Moondog on Tue Jan 24 2023 04:29 pm
> Re: How far I've come...
> By: Moondog to MRO on Tue Jan 24 2023 12:17 pm
>
> >
> > What is the reason for plastic screws? Do they abosrb shock, or deaden
> > vibration? Back in the 90's some hard drive makerd would mount their dri
> > in a frame with rubber bushings.
> >
> > The worst vibration I ran into was from a game cd that had heavy silk
> > screenin g that was uneven. It worked fine in most cd drives, except for
> > one. Not
> > sure if that drive was out of spec, but when that cd was inserted, it
> > rumbled like a washing machine with an unbalanced wash load.
>
> it was just to be stupid. they tried all kinds of weird shit.
> look at all the weird levers and trays that have always been in dells.
>
> i wouldn't trust a non metal screw, there's a risk they'd snap eventually if
> someone messed with them enough.
>
When I worked for ZDS, they had some systems they produced under the internal
name of NDL - new design line. This was their attempt make a tool-free or
minimal tool system similar to IBM's PS2 cases with interlocvking trays, clips,
and friction fit pieces. Anyways, lack of screws and fasteners resulted in
cases that could flex, in effect boards and connectors could loosen up over
time. The field service bulletins would point out a probelm spotted in the fi
eld, then provide the enginering solution. Several of the "solutions" were
to replace plastic clips with screws and tie down loose pieces with zip ties.
---
■ Synchronet ■ The Cave BBS - Since 1992 - cavebbs.homeip.net
|
