Hi James-
Yeah, I have communication issues sometimes. The 'estimate' part of my
post would really be a side effect of a useful formula for productivity
measuring. Or vice-versa. If you show that a board with size/complexity of
XY took you 100 hours last year and 95 hours this year, you've got an
estimating tool and you're showing productivity improvement.
Thanks for the input,
-Chris
(Group W)
James Jackson <[log in to unmask]>
Sent by: DesignerCouncil <[log in to unmask]>
01/24/2007 11:10 PM
Please respond to
"(Designers Council Forum)" <[log in to unmask]>; Please respond to
James Jackson <[log in to unmask]>
To
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Subject
Re: [DC] Productivity Indicators
Chris,
I'm not sure if I can help... you first mention that you are trying to
'measure your productivity'. You then say that you are trying to 'estimate
a
job'.
If you are interested in PCB Layout estimation - I can help.
I have a program that I wrote that takes into consideration many factors
(some are user-adjustable) for creating a PCB Layout estimate. It uses
just
the Board size (X and Y dimensions), and Number of 'pins' to calculate the
time for a New layout - or a Reworked layout. (I have also discovered that
the 'rework' estimates apply to reverse-engineering PCBs.)
The program is called PCB2Est (http://joj.home.texas.net/53000.html). It
is
not free, but the cost is minimal, and the program will pay for itself the
first few times it is used.
I have found its' estimates to be fairly accurate - and have also compared
my estimates with other designers' estimates - and it comes real close to
what they come up with.
Here is link to the documentation for this program...
http://joj.home.texas.net/pcb2est.pdf
If you are interested - feel free to contact me.
Regards,
James Jackson, C.I.D.
Oztronics
-----Original Message-----
From: DesignerCouncil [mailto:[log in to unmask]]On Behalf Of Chris
Ball
Sent: Tuesday, January 23, 2007 2:07 PM
To: [log in to unmask]
Subject: [DC] Productivity Indicators
Hello Everyone-
To satisfy an upper-management directive, we (global PCB layout group)
must find a way to measure our productivity, so as to be able to prove
we're improving.
There are so many things that go into estimating a job... but at the
moment I'm thinking that for input data, tracking Number of Layers, Total
Connections, Pin Density, Total Hours, and Percent Carryover might be a
good start for new jobs. I don't even have an idea of what to do for
changes, as yet.
A colleague thought there might be something documented in an IPC standard
somewhere that addresses ways to calculate job complexity, etc. I haven't
located it yet. If you know of this, know of other reference material for
this sort of thing, or just want to tell me what I ought to do. I'd
appreciate it (I think...).
All the Best,
-Chris
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