machine mould tool dies accurately and efficiently it is essential that
the programmer is familiar with toolmaking concepts
It is not enough just to know how to cut
some areas that the programmer needs to have a good knowledge of:
area - The
programmer needs to be aware of the areas of the die that
form the cavity for the material. Different strategies may be required
if the cavity form is to be polished to reduce machining marks
save polishing time. Also material may need to be left in the
cavity area if the component finish is sparked.
Visible and non-visible parts of
- It is useful if the programmer knows which areas of the
will produce visible areas on the mould. Then the machining parameters
can be adjusted to save machining time on non-visible areas and produce
a finer finish on visible areas.
- Extra care must be taken when machining shut-offs (especially drop
shut-offs and slide entries) to select cutters and strategies
that ensure correct sizes are maintained. Too much material removed
here can be disastrous.
- Edges where the moulding form ends and the split face starts must be
absolutely crisp and sharp if split lines and flash are to be kept to a
minimum. It is essential not to allow cutters to roll over these edges.
So special strategies must be employed to cut these areas.
- If the die is to be hardened after roughing, then the programmer
needs to judge whether the die will distort in the hardening
process and allow for this in the roughing parameters.
Anyone who creates programs for
die machining at Alphatech
has also worked in a toolmaking environment. This way we can
ensure that all die programs take into consideration all of the
Before outputting the die data to
our machining software we make sure that
moulding area and shut-offs are colour coded to make it
easier for the programmer to identify.
Alphatech programs come with automatically created setting and data
sheets clearly showing you where the datums are, what parameters have
been used and what cutters to load. Click here to find out
Machining dies in their hardened
state can save money by cutting down on grinding and sparking
High speed milling machines are
not essential for machining hardened steel. Almost any
conventional CNC machine with the right tooling and programs can
successfully machine hardened die plates.
Although the machining programs
have to created very carefully,
cost savings from the reduction of the quantity of electrodes needed
can be great. Don't forget that for every electrode that is not needed
you save four stages of work:
If you are not yet machining your
hardened die plates click here
to find out how we can help you start saving time and money