What
is Photochemical Milling ?
A process used to produce thin, flat metal parts, utilizing acids to
cut through the metal to produce the required shape. For more information
see Process.
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Where
is this process used ?
It is used any process where precise, burr-free, stress-free, thin metal
components are required. For more information see Products.
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What
metals can you mill ?
Almost all metals can be milled. There are very few exceptions such as
Titanium and Tungsten that cannot be milled. For more information see
Materials.
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What
is the thinnest metal that you can mill ?
We can mill any fine thickness metal such as 0.002” or less. For
more information see Design Guidelines.
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What
is the thickest metal you can mill ?
This largely depends on the material and the required task. We can mill
completely through a piece of metal up to 0.040”. In general it
is easier to mill through yellow metals than through stainless steel.
If only a decorative component such as a plaque or a half-milled line
required, then the material can be thicker. For more information see
Design Guidelines.
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What
are the achievable tolerances with this process ?
10% of the material thickness is the standard. Please contact us if you
require more precise parts.
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How
small can holes, bars, apertures, and other details be ?
All details and their characteristics depend on the material thickness.
Please refer to the Design Guidelines (link here)
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What
types of electronic files do you accept ?
We accept drawings in all major formats ( .IGS .STP .PRT .DWG and .DXF).
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What
are your lead times ?
Our standard lead times from receiving drawings to shipping are 3 to
5 business days. 24-hour service is also available. Please contact us
for details.
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What
is the phototool ?
Phototool is a set of photographic transparencies required for the photochemical
milling of the parts. Parts produced by photochemical milling are a direct
reflection of the phototool.
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Can
you make a mixed sheet of parts ?
This is possible, but only if all the parts are made from the same material
and will be ordered in the same quantity ratio in the future.
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What
other services besides photochemical milling do you offer ?
We offer plating, selective plating, heat-treating, phototooling, and
design advice all done in-house.
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What
if I need a non-standard thickness, can you mill thicker sheet
down ?
If you require a non-standard thickness or one that is not immediately
available from stock, then we can etch down a thicker material to meet
your requirements.
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Why
should I use EMS ?
We are a developing enthusiastic company with many years of management
and technical experience. We are friendly, efficient, and const competitive
with fast lead times and high quality standards. We have an excellent
record of environmentally friendly production.
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How
do I get answers if my question is not in this list ?
Please contact us to get your questions answered (link to contacts)
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