Table of Contents - Rainbow Precision Products, Inc.

Product PreviewDuraflex ® VC (Cogged) and DC (Double Cog)Duraflex ® VC and DC are the most precise V-belts available. Because of their superior dimensional stability, Duraflex ®VC and DC have half the center-to-center distance wobble of conventional belts. This stability and exceptionally high coefficientof friction add up to minimal slippage. The polyurethane construction eliminates the “black dust” problem commonto conventional FHP belts.➀➁➁➀➁➂Construction FeaturesPolyurethane Body — Is more stable, flexible, and the nonconductivecompound is highly resistant to lubricants with amaximum volume increase of less than 5% (based on 72 hoursin a test oil bath of ASTM #3).Tensile Cords — Exclusive Bando T E T R O N ® c o rds arepositioned with exact spacing to insure tensile strength,dimensional stability and no-wobble in high speed shock loadapplications.Compression Section— Cogged design provides maximumflexibility without sacrificing either strength or performance.Double cog construction allows you to scale down pulley sizerequirements. Cogs allow efficient operation in pulleys as smallas 0.6" OD, with virtually no slippage or heat build-up.Refer to page 40 for size and list price information.Metric V-BeltsIn addition to belts manufactured to RMA (Rubber Manufacturers Association) standards, Bando produces belts toE u ropean standard DIN 7753 and ISO4184. These standards are based on the metric system of units and have diff e rent cro s ssection designations. The Narrow “Wedge” profile allows for higher speed ratios, shorter center distances and overall morecompact drives. They are direct replacements for belts on imported machinery and on domestic equipment for export .➀➁➂Construction FeaturesOil and Heat Resistant Bias Cut Envelope — Protects thebelt’s inner components against dirt, oil and heat. The bias cutBANPRENE ® impregnated fabric provides lateral stability whilepermitting axial flexibility for operating around small pulleydiameters.Tension Members — Manufactured of high density polyestertreated for fatigue and stretch resistance.BA N P R E N E ® C o m p ression Section — Maintains tensionmember cross section uniformity while remaining flexibleenough to reduce heat build up. The BANPRENE ® undercordtransfers the load from the sheave to the tension member.®For size, price and availability, contact your Bando salesrepresentative or request Bando publication BU-410.9