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Poly-Metric O.M.F. Instrument

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Poly-Metric O.M.F. Instrument

For those not acquainted with the O.M.F., it is a machine that cuts *curved* facets, which can add extra brightness and scintillation to gem designs. That means the design possibilities of gemstones are virtually limitless with this O.M.F. Machine. This machine is used to apply concave facets to gemstones to improve the optical effects. The instrument consists of a grind/polish assembly to which the facet gem from your standard faceting machine is attached. O.M.F. The unit is pictured with a scintillator mast and head as an example; this is where you would place your own machine's mast and head. Please call for availability.

  • 2-1/2" 5,000 rpm 90v dc pm motor.
  • Control box with variable speed control, reversing switch, and separate power switch.
  • Gear box has push button disengagement of reciprocation and swivel spacer to hold position.
  • Spring loaded between gear housing and main body to hold out end play while reciprocation is disengaged.
  • main shaft while tightening or loosening the collet nut.
  • Ratchet lever for vertical adjustment for changing the plane of the mandrel. (also has adjustment for horizontal rotation.
  • Pivot block and lock down for micro adjustment.
  • Micro adjustment stabilizer rods have been lengthened to 5" for larger stones.
  • Micro adjustment to hold the dop in place while cutting and polishing.
  • Now aluminum tubing for more rigidity.
  • Collet nose and main shaft is made from stainless steel and accepts a 3/4" open end wrench.
  • The O.M.F. unit is sure to test and expand the skills of experienced cutters as well as to kindle new levels of creativity in the art of gem cutting. While this unit is not generally for the beginning novice, it can be mastered by almost anyone.
  • Unit comes with a set of 1 copper, 1 phenolic, and 1 polycarbonate mandrel in the 17 mm size.
Stock #: PM-001
Price $

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