Wire coil technology

Wire coil technology

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Wire coil technology

A diversity of wire coiling techniques that gives rise to highly sophisticated filaments.

Mitsuwa's wire coiling technology responds to a wide variety of configurations, including continuous coiling, variable pitch coiling, and double coiling, etc. It can coil an ultra-fine wire to high precision and support characteristics problems including selection of properties, shape, and material of the filament.


Continuous coiling using core wire

Coiling configurations

Continuous coiling

Continuous coiling

Double coiling

Double coiling

Variable pitch coiling

Variable pitch coiling

Configuration Continuous coiling Double coiling Variable pitch coiling
Wire diameter 5μ - 5μ - 15μ -
Coil outside diameter 18μ - 135μ - 75μ -
Coil length 0.4mm - 3.5mm - 3.5mm -
Coil pitch *1 150% 1st 200%
2nd 180%

100% -240%
MD/WD ratio 170% *2 140% *3 270% *2

* Send separate inquiries about dimensions.

*1 Coil pitch: Ratio of distance between wire diameters to wire diameter; values in the table are recommendations.
*2 MD/WD ratio: Ratio of core wire diameter to wire diameter; that for double coiling is the value for the primary coiling.

Coiling machine

Coiling machine  

Core wire removed during coiling

Coil with legs

Coil with legs

Electrode

Electrode

Coiling

Coiling

Configuration Continuous coiling Electrode
Wire diameter 40μ - 150μ -
Coil outside diameter 75μ - -
Coil length -100turn 0.25mm -
Coil pitch *1 150% -
MD/WD ratio 500% *2 -

* Send separate inquiries about dimensions.

*1 Coil pitch: Ratio of distance between wire diameters to wire diameter; values in the table are recommendations.
*2 MD/WD ratio: Ratio of core wire diameter to wire diameter

For tungsten processing, tungsten electrodes and other microfabrication technologies
Mitsuwa Electric Co., Ltd. TEL:03-3471-3682 FAX:03-3471-9596 Business hours: 8:30 - 17:00 (services not available on Saturdays, Sundays, and national holidays)

[Head Office / Main Plant]
6-7-9 Minamishinagawa, Shinagawa-ku, Tokyo 140-0004
[Mobara Plant]
646 Mobara, Mobara-shi, Chiba 297-0026

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