Category Archives: ultrasonic cutter

Cutting Wit And Plastic

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If you have ever used a scalpel to cut something tougher than an eraser, you can appreciate a hot knife or better yet, an ultrasonic cutter. Saws work too, but they have their own issues. [This Old Tony] uses a hobby store tool to cut some plastic and wood, then demos a commercial ultrasonic cutter to show how a blade can sail through with less brute force. The previous requires some muscle, finesse, and eventually a splash of Bactine antiseptic. The video can also be seen after the break.

This is more than a tool review, [Tony] takes it apart …read more

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Making an Ultrasonic Cutter for Post-processing Tiny 3D Prints

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An ultrasonic knife is a blade that vibrates a tiny amount at a high frequency, giving the knife edge minor superpowers. It gets used much like any other blade, but it becomes far easier to cut through troublesome materials like rubber or hard plastics. I was always curious about them, and recently made my own by modifying another tool. It turns out that an ultrasonic scaling tool intended for dental use can fairly easily be turned into a nimble little ultrasonic cutter for fine detail work.

I originally started thinking about an ultrasonic knife to make removing supports from SLA …read more

Continue reading Making an Ultrasonic Cutter for Post-processing Tiny 3D Prints→

Making an Ultrasonic Cutter for Post-processing Tiny 3D Prints

Posted on by

An ultrasonic knife is a blade that vibrates a tiny amount at a high frequency, giving the knife edge minor superpowers. It gets used much like any other blade, but it becomes far easier to cut through troublesome materials like rubber or hard plastics. I was always curious about them, and recently made my own by modifying another tool. It turns out that an ultrasonic scaling tool intended for dental use can fairly easily be turned into a nimble little ultrasonic cutter for fine detail work.

I originally started thinking about an ultrasonic knife to make removing supports from SLA …read more

Continue reading Making an Ultrasonic Cutter for Post-processing Tiny 3D Prints→