Foredom Micro Motor Kit Review

This article features Bill Holman who bezel sets a 2.55 ct. trillion diamond, 0.03 ct. round brilliant diamonds and engraves a platinum ring and matching pendant using Foredom's Stone Setting and Engraving Micro Motor Kit..

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By Mark B. MannMore from this author

This article features Bill Holman who bezel sets a 2.55 ct. trillion diamond, 0.03 ct. round brilliant diamonds and engraves a platinum ring and matching pendant using Foredom Micro Motor Kit for Stone Setting and Engraving.

Foredom Micro Motor Kit

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Foredom Micro Motor kit for Stone Setting and Engraving is mandatory equipment for Bill Holman of Holman Designs-a Dallas, TX trade shop. The kit contains the following:

Foredom Micro Motor Kit for Stone Setting & Engraving

Foredom Micro Motor Kit for Stone Setting & EngravingThe micro motor hammer handpiece kit is ideal for a variety of stone setting and engraving applications requiring reciprocating action. The micro motor delivers from 0 to 5,000 strokes per minute. The handpiece is controlled by dials on the micro motor control box or by a foot pedal (not pictured and may be ordered separately).
The accessories in the kit include, (A) 3 anvil points (two are featured in the photo), (B) 2 tightening pins and (C) an anvil point holder used for holding anvil points during a re-shaping process. (D) Indicates the location for inserting the tightening pins.
Also included in the kit are (A) an allen key for use with (B) the graver holder adapter and (C) an adapter for non threaded shank accessories such as a beading tool. The adapters are easily interchangeable in the handpiece and allow the operator to perform a multitude of operations. Not pictured but included in the kit are a handpiece and accessory holder tray, an open-end wrench and extra motor brushes.
The graver holder adapter included in the kit is designed to accept modified gravers or other tools. The selected tool is placed into the adapter and the (A) allen screws are tightened. Then the adapter is screwed into the tip of the handpiece (B) and tightened with the supplied open-end wrench.

Here's a closer look at how Holman used this kit to complete a platinum and diamond ring and matching pendant:

Holman carved the waxes and had them cast in platinum. Notice he carved much of the finished detail into the wax, including preliminary prongs that will become the beads for the side diamonds.
Three anvil points come with the kit and additional points can be purchased. Holman is shaping a point on one of the tips to perform the bezel setting. After polishing it, he inserts the point into the handpiece and does the bezel setting of the center diamond.
After Holman had the center bezel mostly finished, he began setting the side diamonds. The bearings, relief cuts and prong beads were established in the wax. He re-burred the bearings, seated one of the three rows of diamonds and will now use a beading tool inserted into the hammer handpiece to form the beads over the side stones.
Holman has one row of side stones completed and will go on to finish the other two rows using the same techniques.
In the finishing steps, he uses a small flat bottom graver mounted in the micro motor engraving handpiece and engraves a bright angled rim around the side stones on the outside edge of the top.

For this job, Holman switched between the micro motor hammer-engraving and rotary handpieces using the same micro motor control box to power each. As a last step, he used Foredom's new platinum polishing compound to provide the final polish.

For information related to Foredom tools, equipment and accessories contact Michael Zagielski at 203-792-8622

By Mark B. Mann – Copyright © Mark Mann 2004
Photographs by Mark B. Mann
Technical contributions by JA certified master bench jeweler Bill Holman, Holman Designs, Dallas, TX
All rights reserved internationally. Copyright © Mark Mann. Users have permission to download the information and share it as long as no money is made. No commercial use of this information is allowed without permission in writing from Mark Mann.

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Mark B. Mann

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