Y48-Wood-Chippers-5

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Unformatted text preview: Click to edit Master subtitle style 8/27/11 BRUSH CHIPPERS IMAGES: http://www.itetrucks.com/inventory/detail/59/2002-Vermeer-BC-1250A 8/27/11 Vermeer BC 1250A Brush Chipper Engine: Perkins 1004-42 Diesel Max HP 84 @ 2400rpm Fuel: 30 gallons Diesel Chipping Capacity IMAGES: http://www.itetrucks.com/inventory/detail/59/2002-Vermeer-BC-1250A http://www.vermeer.com/c 8/27/11 Parts of a Chipper Engine Dischar ge Spout Knife Drum Trailer/Platfor m Feeder/Hoppe r IMAGES: http://www.itetrucks.com/inventory/detail/59/2002-Vermeer-BC-1250A 8/27/11 Working Principles Heavy flywheel with knives uses kinetic energy and inertia to cut wood Flywheel is initially propelled by motor Friction between wood and knives slows flywheel down Motor maintains rotation of flywheel INFORMATION: http://www.woodchippers.info/article_08.shtml 8/27/11 Development Feeding mechanisms were developed later to improve the efficiency of the cutting process The first mechanisms were programmed only to feed the wood Later a better mechanism was developed which was also programmed to pull the log out INFORMATION: http://www.woodchippers.info/article_08.shtml 8/27/11 Using a Chipper 1 2 3 POWER SUPPLIED 1. A worker feeds branches in to the fold-down feeding tray 1. Using the feed control bar , the worker activates the feeder wheels which pull the branch into the rotating knives 1. The knives cut down the branch and propel the chips out of the discharge FEED CONTROL BAR IMAGES: http://www.itetrucks.com/inventory/detail/59/2002-Vermeer-BC-1250A http://www.ironplanet.com 8/27/11 Hazards The two main types of hazards to be aware of are struck-by hazards and caught-in hazards Other hazards may include hearing loss from long term exposure or minor injuries such as scrapes /cuts or bruises from feeding machine 8/27/11 Location of Fatal Accidents KNIFE DRUM FEEDER/HOPP ER--Struck-by-- 1992-2002: about 1/3 of fatal accidents 1996-2005: Majority of remaining ~1/3...
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Y48-Wood-Chippers-5 - Click to edit Master subtitle style...

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