New Booklet Offers Tips On PC-Based CAD/CAM Software And Hardware
Selection

May 1, 1995 -- TOLLAND, CT--A good CAD/CAM system can drastically improve a
shop's lead time, part quality and job capacity. But with all the choices
in PC-based CAD/CAM software, it's often difficult for a shop to decide
which system best suits its needs. A new booklet titled "What Every Shop
Should Know About Choosing A PC-Based CAD/CAM System" provides some hints
and guidelines that can make the decision much easier for the first-time
buyer.

The 16-page booklet outlines hardware and software issues to consider when
buying a CAD/CAM system. For example, the booklet suggests attending trade
shows to get a feel for several packages, narrowing your choices, and then
scheduling a personalized demo in your shop. This will let you see how a
system performs with drawings and toolpaths that are similar to your
work.

Some additional software selection tips from the booklet

* If you normally work from drawings, have a representative from the
CAD/CAM company create geometry from a print during the demo. If time is
short, have them model a section of a complex print. Be sure you see both
2-D and 3-D geometry creation.

* Some CAD/CAM systems specialize in complex 3-D toolpaths, but their 2-D
toolpaths may be difficult to use. In the demo, see how easy it is to
create both 2-D and 3-D toolpaths

* Does the CAD/CAM system allow you to manually override any machining
defaults such as feed rates, spindle speeds, gouge avoidance or undercut
protection? It is important that you have the final decision before
cutting chips.

* Technical support should be available through the software reseller and
the software company. You should be able to expect good answers and a
quick response. A bulletin board service (BBS) may also be available. This
allows customers with modems to upload problem reports or download new
utilities.

The booklet also includes tips on selecting hardware, including:

* Some companies offer "bargain" computers assembled from generic
components that may not be as compatible as advertised. Before buying,
make an agreement that you can return the computer if your CAD/CAM system
doesn't run properly on it.

* When buying a used personal computer, find out if it meets the
recommended hardware specification for your chosen CAD/CAM system. If it
does not, find out how much it will cost to upgrade it. It could cost more
to buy and upgrade a second-hand PC then to buy a brand-new computer.

The booklet also includes suggestions for using your system effectively and
a checklist of questions to consider before making your final decision.

For a free copy of "What Every Shop Should Know About Choosing A PC-Based
CAD/CAM System" (a $4.95 value), call 800-228-2877, or write to: UCAD/CAM
booklet", CNC Software, Inc., 344 Merrow Road, Tolland, CT 06084.

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