have it at my house will look it up Jerry
> -----Original Message-----
> From: <Jin Hong> [SMTP:[log in to unmask]]
> Sent: Tuesday, December 07, 1999 5:59 AM
> To: [log in to unmask]
> Subject: Re: [TN] Why SPC is not used more
>
> Mr.Jerry Wagner ,
> Could you give me a ED's copy?
> Regards,
>
> Jin Hong
> -----Original Message-----
> 发件人: Jerry Wagner <[log in to unmask]>
> 收件人: [log in to unmask] <[log in to unmask]>
> 日期: 1999年12月3日 22:43
> 主题: Re: [TN] Why SPC is not used more
>
>
> >ED I have a copy of your article very well said
> >
> >> -----Original Message-----
> >> From: Ed Cosper [SMTP:[log in to unmask]]
> >> Sent: Thursday, December 02, 1999 2:52 PM
> >> To: [log in to unmask]
> >> Subject: [TN] Why SPC is not used more
> >>
> >> Lou has a made a very good point. In one article I wrote for PC Fab
> some
> >> years ago on SPC, I made a similar comment. Oh the subsequent wailing
> and
> >> gnashing of teeth!!
> >>
> >> I stated in this article that one of the first things and effective SPC
> >> program will highlight is incompetence. The problem is simple. Once you
> >> highlight a concern, someone now is expected to fix it. In many
> instances,
> >> those responsible may not be able to fix it. This presents a
> significant
> >> problem to many in our industry that may have been promoted into
> positions
> >> that they are simply not qualified for.
> >>
> >> I know many may challenge my position on this but I suspect when were
> >> alone
> >> and no one is around, we all can relate to individuals to which my
> >> scenario
> >> applies.
> >>
> >> Just my opinion and that's all it is.
> >>
> >> Ed Cosper
> >>
> >>
> >>
> >> ----- Original Message -----
> >> From: Lou Hart <[log in to unmask]>
> >> To: <[log in to unmask]>
> >> Sent: Thursday, December 02, 1999 5:01 PM
> >> Subject: Re: [TN] SPC Information
> >>
> >>
> >> Thanks, Bob, for your comments on SPC. Your last point is critical -
> gage
> >> error. If you don't have a good gage, give up right away. By good, I
> >> mean
> >> not that it is able to determine that something does or does not meet
> >> spec,
> >> rather, that it can discriminate between parts or coupons or any test
> >> sample
> >> that actually comes off the production line. There's a book by Don
> >> Wheeler,
> >> Evaluating the Measurement Process, that deals with this point.
> >>
> >> SPC is not a cookie cutter approach. You need some engineering sense.
> I
> >> dare say no one who has used SPC found a recipe for it in his or her
> >> industry in a book. It's a tool. I can go out and buy a box of
> wrenches,
> >> but that doesn't make me a car mechanic.
> >>
> >> I'm interested to hear from others on the new IPC document on SPC in
> >> assembly, am still eagerly awaiting my copy.
> >>
> >> Why is SPC not used more widely? It's been around 70 years, easy to
> use,
> >> and it helps. Hate to sound cynical, but maybe it's because with SPC
> any
> >> operator can see and prove when engineering and management has given
> him
> >> an
> >> incapable process.
> >>
> >> Lou Hart
> >>
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