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Kayıt Tarihi: 2021-18-Agustos
Aktif Durum: Pasif
Gönderilenler: 37
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| Gönderen: 2021-19-Agustos Saat 12:39 | Kayıtlı IP
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Despite the fact that many people do not consider
die casting
mould to be a dynamic type of engineering,
there are changes afoot in the industry when it comes to
knurling patterns.
In the past, if you needed to create a knurl pattern on a
machined metal surface, you would use a knurling tool to
cut the pattern. The use of this traditional technique
has nothing to do with anything, but it is time-
consuming, has a large margin for error, and requires an
additional step in the design process.
The good news is that die cast knurling can help to bring
a much-needed update to the pattern process by adding
texture to the surface of a machined part during the die-
casting process.
As a result of this approach, designers have more design
options because surface texture can be cast for both
function and styling because the textures, cut patterns,
and variations of surface can be applied to compound
curves and follow surface geometry, as well as for
function and styling. Using a grip feature on the surface
of the machined part, for example, or a company logo for
branding purposes, a designer could create a unique
product.
Cast knurling is significantly faster than cut knurling
because it eliminates an entire step from the
manufacturing process; instead of inserting a piece of
metal that has already been cast into a knurling machine,
the casting and knurling are completed in the same
machine.
Just because the process is more efficient does not imply
that the quality is compromised; because the texture is
applied to the die casting tool, it is reproduced exactly
in each component produced.
In any engineering process, there is always the
possibility of mistakes, but these issues can be avoided
by designing them into the process. For example, when
designing die cast knurling, a designer must consider the
tool part line and draft taper in order to ensure that
the feature can be cast. This means that the knurls must
be modified with draft taper in order to be ejected from
the tool.
Subtle modifications to the raised sections of the knurl
(for example, by rounding the edges, fillets, and draft
rounder) can make releasing the metal from the tool
easier and, as a result, ejection more seamless.
A careful alignment of gate locations with the knurl's
geometry at the parting line, in order to avoid the
formation of tell-tale flat sections, can be used to
avoid having the knurl pattern disrupted by the parting
line.
Die casting technology is constantly evolving, and new
techniques such as die cast knurling necessitate a high
level of design expertise. What is undeniable, however,
is that it has the potential to produce fantastic results
at a fraction of the cost of traditional techniques.
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