What is Piezoelectric element
Piezoelectric element is a ceramic material that stretch on voltage.
Bimorph actuator using Piezoelectric element
A metal electrode plate has thin plate-like layer of this ceramic on both sides.
By changing the level of the voltage applied to those ceramic plates, it expands in one direction to bend.
We use this mechanism of “bimorph actuator” to control the selection of jacquard needles, instead of punched / unpunched holes on paper.
【Feature】
- Power saving
Power consumption less than 1/10 of solenoid. It requires no electrical energy to maintain stretch, nor generates heat like solenoid, no need of cool environment or fan installation.
- Lightweight
The ceramic parts are very small but have large elasticity. The compact and light equipment allows easy handling / installation.
- Easy to maintenance
Removable cassettes can be maintained easily: cleaning, replacement of Piezo, etc.,..
Or any failure of cassettes can be fixed at our factory, easy to pack and send.
【Cautions of using Piezoelectric element】
- No shock
Piezo is a ceramic, fragile material. Be careful not to throw the cassette, drop it, or give strong impact.
- Keep dry
Piezo deteriorates faster when it gets wet or exposed to high humidity.
Do not wipe the cassette with water. Heavy stains can be cleaned with "brake parts cleaner" or "absolute ethanol". - Never lubricate (NO OIL)
Our needle selection device uses expansion of ceramics, so no lubrication is required.
If jacquard oil or spray grease is applied to the devices, the oil may spread into the cassette and cause malfunction, so be especially careful when putting oil on Jacquard machines.
