4차 산업혁명의 미래를 주도하는 미래인입니다.
DfAM(Design for Additive Manufacturing) is called DfAM
because the concept of lamination is added
to DFM(Design for Manufacturing)
As a design concept to maximize the advantage of 3D printing,
it can be seen as a design for additive manufacturing.
The conventional cutting process of cutting iron had limitations in shape
and manufacturing complex blueprints were impossible.
Since additive manufacturing makes a shape by stacking materials, there is no need
to worry about parts impossible to process as there are no limitations to shape.
The main purpose for 3D printing is optimized for production of prototypes
and manufacture of customized multi-variety products.
3D printing is a technology necessary for manufacturing products
that cannot be produced by conventional production methods and for special fields
such as high addedvalue industries such as medical, aviation, automobile, mold,
and material fields, and DfAM technology will be used.
The material most appropriate for DfAM technology
that maximizes the advantages of 3D printing
is metal related materials.
This is because complex shapes can be produced,
and in the case of metal with a higher specific gravity
than other materials, unnecessary parts
can be removed or replaced with a grid
to reduce weight.
DfAM technology is actively used in metal 3D printing
due to the high efficiency in weight reduction
of metals.
DfAM applied technologies are representative
of grid structures and topology optimization,
and other technologies include production unification,
which makes several parts into one,
and porous structure design, which is specialized
for medical use, and depending on the purpose
and use, all of the above technologies
can be used in combination.
DfAM technology has the advantage of reducing
weight and unifying parts while satisfying
the product performance goals (strength, size,
performance) through structural analysis.
As a concept of optimizing the structure of an object, it is a concept
that optimizes material distribution within a given design space
while satisfying the performance goals of the product.
It is a technology that can save material, unify parts,
and reduce weight at the same time.
Since the main purpose is to reduce weight,
it can be optimized according to the purpose and use.
It is a technology that can replace weight reducible parts with a grid structure
within the range that does not change the shape of the structure
and make saving material and weight reduction capable at the same time,
and depending on the shape and size of the grid structure, it can be applied
in various fields such as industrial and medical use.
Unlike topology optimization, it is effective when the structure needs to be upheld,
and the grid structure can substitute the most important support role
in metal 3D printing.
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