↑ S. L. Foster (June 9, 1917), "Taking Care of Corner Stresses from Large D.C. Feeders", The Electric Railway Journal, Vol. Habitat Lignum Vitae North America, LLC. It has an oily to waxy character and takes a high polish. Buy It Now +C $40.60 shipping. Most noted use is in bearings and bushing blocks for propeller shafts of ships because of its self-lubrication and hardness. It polishes steel which makes it ideal for industrial manufacturing. Making history for 165 years in the fastest, most powerful ships and submarines in maritime history while eliminating current EPA compliance issues. The wood was once used as propeller shaft bearings in nearly all the ships sailing the ‘Seven Seas’. After all, lignum vitae was the material used in an 1853 patent for the first successful stern tube bearing. Lignum Vitae Bearings can be purchased when ever you need a reliable wood bearing. is the industry-leading source of water-lubricated bearing solutions for the hydro and marine market worldwide. Lignum Vitae Wood Bearings are available for all types of applications. Lignum vitae . www.lignumvitaesolutions.com MANUFACTURING Note the small block of Lignum-Vitae between the crankshaft and the steady rest. Shaft bearings for ships - the hardness, natural lubrication and resilience to salt water of Lignum Vitae wood make this an ideal material. Lignum vitae is the densest wood that sinks easily in water. Argentine Lignum Vitae (Bulnesia spp.) It was the bearing of choice for the icebreakers Polar Star and Polar Sea . Time left 6d 2h left. XLIX, No. Here are key considerations to keep in mind when deciding the type of bearing to use. Unfortunately, Lignum Vitae has been exploited to the brink of extinction, and is now an endangered species. What we sell is accurately named. From Jamaica. Lignum vitae bearings are also found in larger units at several dams in the Pacific Northwest. Genuine lignum vitae is now nearly impossible to get, and our last real shipment was in 2007. Besides density, lignum vitae has other characteristics that made it ideal for use as bearings for those high speed turbines. The first nuclear submarine, the Nautilus , used lignum vitae in its shaft strut bearings. Lignum vitae bearings permanently replaced existing, poorly performing composite bearings on the port shaft line. When the turbine guide bearings installed at several hydroelectric plants in the U.S. suffered short lives and significant wear, the owners turned to lignum vitae material. This wooden hanger bearing can be made for your manufacturing application. Manufacturing. As a global supplier, Lignum Vitae collaborates with customers to provide bearing and seal solutions that are EPA compliant, ABS, DNV-GL, and NSF61 approved. When manufacturing a crankshaft you need to do precise finish work and a product was needed to hold the shaft in place without damaging the shaft. Lignum Vitae bearings and seals are inherently able to adapt to extreme operating environments with less than perfect shafts. View all customer photos. Lignum Vitae is extremely dense, so dense in fact, that it will not float. 1 Jamaica Lignum Vitae Iron Wood Plank Size 12 X 4 ... New Listing antique mortar pestle 18th c lignum vitae thick heavy 6.5 lbs 7" tall 6.75 dia. We’re easy to reach and quick to deliver! Color: Ranges from a light olive green to a darker greenish brown to almost black. Lignum Vitae North America Relied on for longevity and durability, lignum vitae bearings are the industry standard for superior performance in extreme operating environments. Join LinkedIn today for free. Lignum vitae is a trade wood, also called guayacan or guaiacum, and in parts of Europe known as pockholz, from trees of the genus Guaiacum. Because of this, Lignum Vitae and Jamaica are closely associated in shipyards worldwide. 0 bids. IMAGE 1: Horizontal lignum vitae bearings for a 2,000 hp water supply (Images courtesy of Lignum Vitae) Friction Lignum Vitae TROPICAL HARDWOOD Uses: Owing to Lignum Vitae's self-lubricating properties it is used for ship’s propeller bushes and bearings, marine equipment, thrust bearings, pulley sheaves, wheels, guides, rollers and blocks, mallet heads, “woods” for bowls, cotton gins, dead eyes, die cutting and turning, and for any purpose where lubrication is impractical or unreliable. Lignum vitae bearings have sustained satisfactory, … Last month, Lignum Vitae N.A. C $261.91. broke ground on its new research, engineering and production facility for water lubricated bearings made with lignum vitae hardwood material. However, as the wood is so dense (around 1.3 grams per cubic centimeter) that it does not float in water. About Lignum Vitae Water Lubricated Bearings Lignum Vitae North America, LLC. It is a very heavy wood which will sink in water. 1 Jamaica Lignum Vitae Iron Wood Plank Size 12 X 4 X 1 in Turning Bearing. very steel friendly Supply ready to ship … is the exclusive global supplier of premium lignum vitae bearings and seals for the hydro-electric and … Lignum Vitae is Leading the way back to Water-Lubricated Bearings in the Hydro Industry ahead of EPA regulations. Prices and inventory listed are subject to change without notice. Tropical Hardwood. Learn about working at Thrust Bearings - Lignum Vitae North America. Lignum-Vitae is very steel-friendly. Whether the bearings are metal, polymer/plastic or a natural material, they should run smoothly and avoid maintenance between planned outages. (Both are classified in the same scientific family, Zygophyllaceae.) This wood was once very important for … Brand New. Lignum Vitae has been used for propeller shaft bearings on ships, and its natural oils provide self-lubrication that gives the wood excellent wear resistance. Lignum Vitae bearings are adjustable in place, water lubricated, non-conductive, and remove thrust at source, which help reduce forces downline. With over a 160 year service record in vessels from workboats to icebreakers and submarines, our bearings will not smear or seize onto the shaft … Working near the dirt, Lignum Vitae requires no grease or oil that attracts dirt into the bearing making it the bearing of choice in dirty environments. **Despite the great color differences shown in the samples above, both woods have virtually the same color range, and could easily be confused with one another. Lignum Vitae bearings outlast competitive bearings six to one, lasting over 60 years without the need for costly repetitive service and replacement. Lignum Vitae. Without question, one of the world's hardest, most dense woods, Argentinian Lignum Vitae is very similar to its namesake -- the world's most dense wood, genuine Lignum Vitae -- in appearance, working properties and physical characteristics. Lignum Vitae North America, LLC. Color: Ranges from a light olive or yellowish green to a deep brownish green. Zero Tolerance- Can hold an aging shaft in place-will not damage the shaft. Their experience has shown that this material, although more costly, can provide longer service life than composite and plastic bearing materials. Lignum Vitae has been used for decades in heavy discs and harrows for agriculture. Because Lignum Vitae is the hardest wood, low friction and high […] Fine and even. As a global supplier, Lignum Vitae collaborates with customers to provide bearing and seal solutions that are EPA compliant, ABS, DNV-GL, and NSF61 approved. 23, pages 1051–1053. WOOD BEARINGS Wood bearings are ready to ship! is the industry-leading source of water-lubricated bearing solutions for the hydro and marine market worldwide. Lignum Vitae is Leading the way back to Water-Lubricated Bearings in […] offers a time-proven EPA / ABS compliant water-lubricated bearing technology. Lignum Vitae North America LLC.offers the largest inventory of bearing grade lignum vitae in the world to service hydro electric, ship stern tubes and industrial applications of all sorts. Below are two case-study manufacturing problems solved through Lignum-Vitae bearings: The Problem: When manufacturing a crankshaft you need to do precise finish work and […] Lignum Vitae North America, LLC. Lignum Vitae, Latin for "Tree of Life," is the national tree of the Bahamas. Lignum Vitae North America (Lignum Vitae N.A.) As a global supplier, Lignum Vitae collaborates with customers to provide bearing and seal solutions that are EPA compliant, ABS, DNV-GL, and NSF61 approved. WOOD TYPE. It's also the world's densest wood, and has such unusual properties that the USS Nautilus, the world's first nuclear-powered submarine, has its aft main shaft strut bearings made out of the stuff. C $65.33. Activity. Lignum vitae marine bearing . STAVE BEARINGS Stave Bearings made of Lignum Vitae are a true water/self-lubricated bearing that saves Hydro Power Plants millions in costly maintenance labor. All real lignum vitae has a botanical name that starts with "Guaiacum". Family: Zygophyllaceae . Hundred’s of Plant Owners rediscovered this proven technology! A cube that is 12 inches square weighs between 25 and 30 pounds. TEXTURE. STACKED BLOCK BEARINGS Making history for 165 years in the fastest, most powerful ships and submarines in maritime history while eliminating current EPA compliance issues. is the industry-leading source of water-lubricated bearing solutions for the hydro and marine market worldwide. It is a beautiful wood, with heartwood colors ranging from medium to dark brown, … Lignum Vitae also can be specified in hanger bearings in the manufacturing of animal feeds and supplements. Argentine lignum vitae (bulnesia sarmientoi) and Verawood (bulnesia arborea) are not lignum vitae and are not the same as lignum vitae. Lignum Vitae is excellent for wood turning, as well as being used for bearings, bushings, some marine applications, and mallet heads. Lignum vitae is a wood, also called guayacan or guaiacum, and in parts of Europe known as Pockholz or pokhout, from trees of the genus Guaiacum.The trees are indigenous to the Caribbean and the northern coast of South America (e.g: Venezuela) and have been an important export crop to Europe since the beginning of the 16th century.
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