Version 1.05 March 2020
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Loosening the Locking Knob also allows the Z-position Cylinder to rotate freely (the condition you want as the
faceting proceeds).
Still another function of the Locking Knob is that it binds together the several sub assemblies that make up the
Mast, and when tightened
– you can lift the Mast from the Baseplate (if you have reason to) - and the Mast
remains in one piece.
After you have mounted the Mast onto the Baseplate -- your Mast has a Digital Angle Display (DAD). There is a
power cord with an AC/DC plug-in Adapter. Connect the Adapter into a standard power source (110VAC-
220VAC), and the Jack into the Angle Dial case on its lower right side (see the illustration in the section
READING THE DIGITAL ANGLE Display). It has been calibrated at the factory. When you turn it on for the
first time, the display will blink 99.99 (this happens at any time the power has been interrupted for any reason).
As the 99.99 blinking continues, swing the Spindle (Quill) so that it points up (vertical), and then lower it down
toward and past the 90-degree (horizontal) position. You
will see on the display that the Angle Dial “finds
itself”—it now reads the correct angle.
3.0 THE BASIC CONTROL FEATURES OF THE FACETING MAST
All faceting machines have three characteristics that the operator controls -- rotational angle, axial angle, height.
The precision and repeatability of the faceting machine in accomplishing these basic functions are what
determine the brilliance and quality of the faceted gem.
Read the following sections and practice a few settings so that you become familiar with the controls.
3.1 CONTROL OF THE ROTATIONAL ANGLE
—INDEXING
RAISING THE DETENT
Your Mast is supplied with an assembled 96 Index Gear and gear segment detent. The 96 Index Gear is the
one most commonly used in gem design, but also prominent is the 64, ands also used and available a 32, 72,
77, 80, and 120.
The index position is changed (in accordance with the gem diagram you are following, by raising the Detent
(freeing the Index Gear to be rotated)
– raising the Detent is done by squeezing down on the back of the
Rocker
.
Then
,
rotating the Index Gear to the new desired position, and reset the detent.
