CRP and Shop Floor Scheduling

I am embarking on a feasibility study of the usefulness of CRP and the
operation scheduling aspects of PCC within my Company before the Industrial
Engineers starting pumping routings into MAPICS!

Whilst I have reasonable knowledge as to the limitations of such software
approaches I would appreciate some basic pointers on the tricks and pitfalls
that some people have encountered in configuring the modules' parameters to
their own shop-floor style.

I am particularly keen to identify the conflicts which arise between getting
a good picture of capacity requirements and useful/ realistic operation
scheduling dates.

My Company's shop-floor is mainly batch manufacturing with a combination
of:-

1) assembly lines where material flow is straight through on a number or
machines

2) component manufacturing facilities where resources are shared, i.e. a
strong material cross-flow.

The manufacturing operations are usually of short duration per piece-part (
5 to 60 seconds) whereas the assembly takes between 10 and 60 minutes per
piece-part. At any BOM level the maximum operations on a piece-part is five,
the norm is two.
Manufacturing leadtime allowed is around 11 to 15 days per finished product.

The shop-floor has been laid out to simplify material flow but there are
still limitations to creating a clear, shop-floor based "pull" system.

Thanks



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