Ultratec, Faceting Machines, Lapidary, V2, Lapidary Equipment, ULTRA TEC, Stanley Lapidary, Dops, Cut Stones, Gem faceting, Graves, Facetron

V2 Faceting Machine (Order Code #1607.7R)

-- See below for discussion of the drawing annotations

THE BASE is the less glamorous half of the machine, but a good base is critical to good faceting. Ultra Tec provides the finest base in terms of both accuracy and quality.

THE BASE PLATE - The Baseplate (K) is made from cast aluminum tooling plate, aged at least 6 months to minimize residual stresses and is Blanchard ground after machining to assure flatness. The half-inch thickness, unlike thinner plates, does not bend under leaning pressure (which would disturb angular accuracy). Importantly, the Baseplate is fully hard anodized, to the hardness of sapphire, to avoid wear (it is not just a thin decorative coating).

THE PLATEN - This critical subassembly (L) which holds the lap provides exceptional accuracy--.0003 inch maximum vertical runout. The width of the platen—4 inch diameter on the Ultra Tec—is also important, providing broad support for 8 inch laps. The plated is machined of bar, not plate, to assure that there are no warping stresses. The platen/baseplate relationship is adjusted, calibrated, and certified during final testing.

THE POWER SYSTEM:

THE SPEED CONTROL - The Speed Control (M) is an infinitely variable, SCR type. It steps up to 1200 RPM, and has a separate on-off and directional control. A feed-back loop in the electronics increases voltage as pressure against the lap increased, maintaining consistent speed.

THE MOTOR AND DRIVE - The motor is 1/5 peak HP, DC PM type. Made to Ultra Tec specifications, it is industry rated at 10,000 hours—so you are assured of long service. External brush mount provide lifetime serviceability (there are 20 year old units, still going strong, on their fourth set of brushes. Working with the Speed Control, it offers excellent torque even at very low speeds. The drive is a resilient cone type – no noisy or inconvenient belts.

SPLASH GUARD - The rubber Splash Guard (N) protects gems in the event of accidental bumping. Being flexible insertion or removal of laps requires no special tools and the flexible wall clips down for girdle grinding. The Splash Guard, which is easily removed for cleaning, drains into a funnel in the Baseplate and then into a hose.

WORK STATION SIZE The 4 ½ inch height of the base means that it can be operated conveniently on a table top. Set into a work table, there is plenty of leg room. The machine’s 32 lb. With makes it easily portable.

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