Jigs for

Keytops

Duane McGuireFebruary 24, 2011

First:

Let's talk about safety!

If it doesn't look safe to you, it's not safe for you.

If you don't know what can go wrong. Stop. Think. Ask.

Focus and attention: Where are your fingers? Where is the blade?

As you gain experience, maintain awareness.

Nice looking keys, huh? Nice looking keys, huh?

Glass Bead

Blast Booth

After bead blasting After bead blasting

AfterAfterBeforeBefore

Ivory Removal

Keytop

Planing

Result:

Uniform depth of cut

Square edge at back of cut

The concept – drill press rotary cutter presented by Bill Spurlock PTJ March 1991

Duane's working diagram

Measuring Ivory Thickness

0.9 mm

Plastic Keytop: 2.4mm

We're planing the key down 1.5 mm

Jig Details

Key Front Preparation

Then a Miracle Occurs:

New key tops are glued to the resurfaced keys.

Flush Trimming Setup

End Product