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| The method for
increasing the die temperature simultaneously
and instantaneously with clamping and rapidly
cooling the die after injection and pressure
keeping time has been adopted. We succeeded
in controlling the generation of welds. The
technology has advantages that the surface
gloss is improved and the paint process becomes
unnecessary, etc., and is also superior in
rigidity. |
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| <New Technology> |
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Welds become
conspicuous with holes (in red circle
portions).
Jetting occurs on the gate portion.
Unused Products
Additive exposure is found in resins containing glass fibers and fillers.
- The rigidity of thin-walled parts
is low.
- Metal (Mg) is used.
- Uneven transcription of pebbles
occurs.
- Gloss and loss of transparency
on the surface occur, and paint
is performed.
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Welds are
not conspicuous (cannot be seen).
No welds occur on plated parts and vapor deposited parts.
Used Parts
It is possible not to expose glass fibers
and fillers.
- The rigidity of thin-walled parts
is high.
- Substitution of magnesium alloy
(Mg) by using additives of GF (glass
filler) and CF (carbon filler).
- Microfabrication of pebble shapes
on a die can be faithfully transcribed
because of better transcription
of resin to the die surface.
- Surface gloss is improved to make
the paint process unnecessary as
a result of no welds.
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- Transparent and Semi-Transparent Portions
Panels of car audio equipment and navigation
systems (decorative sheets)
- Plating and Vapor Deposition Specification
Parts
Small parts such as mobile phone- and
audio-related buttons.
- Thin-Walled Parts
Memory cards, etc.
- High-Rigidity Required Parts
Home electric appliances such as digital cameras and packages of personal computers and projectors, etc.
- Paint-Less Parts
Panels (chassises) of car audio equipment and navigation systems and frame panels of liquid crystal and plasma televisions, etc.
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