Graco has been an industry leading supplier of piezoelectric products for over 30 years. We offer many shapes including but not limited to: rings, bars, cylinders, rods, plates, bimorphs, unimorphs, spheres, blocks, focal bowls, tubes, WAE, tangenial tubes, and tonpilz stacks. 

Piezoceramic Rings

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Washer shaped piezo with electrodes on the flat surfaces- Sizes from 3mm to 100mm OD.

Rods

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Solid cylindrical shape with a length to diameter ratio of less than 2-1. Sizes from 1-50mm in diameter.

Tangential Tubes

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Geometrically is the same as a tube, however, the electrodes are stripes wrapping around the OD and ID.

WAE

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Wrap Around Electrode used for wiring on one surface on almosr any shape.

Carbon Fiber Bimorph

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Similar to a standard bimorph but constructed with carbon fiber for strength.

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Hemisphere

Bowl shaped part with an area of 1/2 sphere or less. Sizes range from 12.7mm-100mm.

Assemblies

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Added value products such as wired and/or mounted piezos, stacks, transducers, and sensors built to custom specs.

Discs

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Round piezo with diameters from 1mm-150mm that are electroded on the flat surfaces. 

Bars

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Rectangular piezo with an area of one side being significantly larger than the other sides.

Plates

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Rectangle is shape having a length and width up to 100mm and thickness of 0.10-50mm.

Spheres

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Two half spheres bonded together with or without pre-amp. Sizes from 12.7-100mm.

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Unimorph

Thin disc glued to a metal plate generally used in piezo buzzers and beepers.

Focal Bowl

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Hemispheres that are made and used for High Focused Ultrasound. 

Tonpilz Stacks

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A stack of 2 or more rings or discs with a rear mass and front horn. Used in ultrasonic applications.

Blocks

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Square or large thick rectangular piezo. Available in sizes from 2mm square to 100mm long.

Tubes

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A cylindrical part with electrodes on the OD and ID. The ID is generally polled positive. Sizes range from 3mm-100mm.

Ultrasonic Transducers

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Two or more discs or rings stacked with metal masses to focus the energy toward the cleaning tank.