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Tooth Set The pattern in which teeth are offset from the bladeDo not use wheels with loose or damaged hubs, rim cracks, or loose spokesKerf The slot made in a work piece by the band saw bladeASTM American Society for Testing MaterialsImproper installation may cause crooked cuts, premature blade failure, and possible improper sawing fluid/lubricant flow.Side guides: If worn, chipped, broken, or contain seized roller bearings, side guides can cause crooked cuts, scoring on the sides of the blade, and short blade lifeSediment from the bottom of the reservoir can cause blockage in the line and filter, resulting in loss of pressure
Age Hardening A process of aging that causes a change in propertiesThis condition can cause premature wear on the backup guidesAustentie A solid solution in iron, of carbon or other solutesBoth conditions can cause bad tracking.Blade Tracking—check before removing each blade.When a blade is properly tensioned, the correct spacing between the back edge of the blade and the flange of the wheel should be about 132 inchSAE Society of Automotive Engineers Visit our Affiliated Websites Follow Us: Features Blogs News New Products Membership Training News Events FABTECH News Attend Exhibit Education Program Scholarships Manufacturing Camps News Donate Subscriptions Advertise with Us Contact Us En Espaol Industry Tradeshows FMA Store Job Board TheFabricator.com provides metal fabrication professionals with market news, the industry's best articles, product news, and conference information from the Fabricators & Manufacturers Association, IntlTack Welds Small scattered welds used to hold workpieces when nestingThis is caused by softening the chip by elevated temperatures and subjecting the softened chip to extreme pressureThe FABRICATOR has served the industry since 1971
Gullet Depth The distance from the top of a tooth to the bottom of the gulletCookies are used to guide the user and web analytics and help to make this site better and more user friendlyBand Speed The rate at which the band saw blade moves across the work to be cutAs a result, quality consciousness is an integral part of our corporate management strategy which stamps its mark on all areas of the companyBrinell Hardness A test for determining the hardness of a metal by forcing a hard steel or carbide ball, of specified diameter, into the test material under a specified loadGray Cast Iron A cast iron that gives a gray fracture due to the presence of flake graphiteHome Article Sawing Preventive maintenance on sawing equipment Preventive maintenance on sawing equipment One investment that pays big dividends The FABRICATOR December 2004 December 7, 2004 By: Dan Rhodes Usually no more than 30 to 60 minutes are needed to do all of the necessary checks and maintenance on band saws The accuracy of the tooth pitch and tooth shape when punching depends largely on the precision of the forward feed and on the quality of the tooth-cutting tool when it is groundThoroughly examine hubs, spokes, rims, bolts, and rivets during such inspections
This site uses cookiesFatigue Life The number of cycles a band saw blade can sustain prior to failureCheck the oil level frequently.Drives—check every six months.Bearings and seals: Visually inspect all areas where bearings areRefer to the band saw's manual to ensure that no area needing regular maintenance has been overlooked.DailyClean chips from vise jaws, band wheels, blade guides and wipers, chip brush and pans, and machine surfaces.Inspect the blade, blade wipers, blade guides, and chip brush for wear.Replace worn parts.Check sawing fluid and lubricants.Every Three MonthsClean sawing fluid/lubricant reservoir and screen.Every Six MonthsChange hydraulic fluid filters.Clean hydraulic fluid reservoir magnetic plug.Lubricate saw column pivot point.Inspect and adjust blade guides.Once a YearDrain hydraulic fluid tank and change fluid.Clean hydraulic fluid strainer and fluid filter.Change transmission oil.Checking and Adjusting Band SawsChecking the working parts of a band saw on a regular schedule and making the necessary adjustments is just as important as routine preventive maintenanceThat is a small investment of time in relation to the cost savings that can be attained by maximizing the life of the machine and blade.Critical CheckpointsTo perform proper and thorough preventive maintenance, you must know the machine's specific checkpoints WINTERSTEIGER band saw blades are specially optimised to the specific application and the material to be cut thus delivering the best results to our customers with maximum quality and cost efficiencyAccuracy The degree of conformity of a measurement to a standard or a true valueFeed Traverse Rate The speed (in inches per minute) the saw frame travels without cuttingSuch a construction provides the best combination of cutting performance and fatigue lifeRake Angle The angle formed by the tooth face with respect to a perpendicular line from the back edge of a band saw blade
Alloy Steel containing significant quantities of alloying elements added to cause changes in the mechanical and/or physical propertiesCamber Deviation from straightness of the band saw bladeThis extremely efficient measure makes it possible to avoid the consequences of incorrect tempering temperatures such as cracks in the weld seamDo not use a band saw with a crack greater than one-tenth the width of the saw until width of saw is reduced to eliminate crack, until the cracked section is removed, or crack development is stoppedIf it is not turning, it is worn outImproper spacing causes poor tracking, which can result in back edge fatigue, poor cuts, and possible machine damageChip Load The average amount of tooth penetration into the material detennined by dividing the feed rate by the blade speed and multiplying the dividend by the number of teeth per foot of band saw bladeRotate, grind, or replace the backup guides as necessary.Blade Tension—check at every blade change.The blade should be tensioned to the machine manufacturer's recommendationsFree Machining Characteristics of metal that make them easier to sawIf either is incorrect, the workpiece may overheat, and blade life may be decreased 07f867cfac
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