L-1 Safety

L-1 Safety - CNC Lab Safety ME1800 Objectives Understand...

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CNC Lab Safety ME1800
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Objectives Understand some theory of safety Understand background for assessing safety Realize importance of safety concerns in the labs Understand ME1800 Safety Rules
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Team effort The CNC lab is a team system – you are part of the team when you use the lab. The team operates on: Mutual respect, Trust, and Cooperation If you see something that needs doing - see to it – help, get help – report it to a lab engineer If you don’t know how to do something – get help. Know yourself – your capabilities - your limits.
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Machine injuries Machines (other than vehicular) account for over 10% of occupational injuries each year. Thousands of operators of metal-working lathes suffer lost-time injuries annually in the United States. Some of these injuries are fatal. The major sources of injury were found to be chips and workholding devices. Secondary tasks were found to be more hazardous than is generally recognized.
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Lathe accident $4,500,000 Settlement 42-year-old metal worker suffered catastrophic brain injury 50 pound piece of metal was ejected from a lathe lathe had been manufactured and sold without analyzing all possible failure modes, and without including protection for work pieces or chuck components to be contained within the chamber of the lathe. the manufacturer knew of at least two similar lathe accidents, but had taken no remedial action. http://www.walkuplawoffice.com/CM/HowWeHaveHelped/Ho
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Response to an accident Avoid further injury Emergency stop Evacuation (fire, gas leak, radiation leak) Get help Lab monitor Campus police emergency (508 831 5555 ) Report/analysis Understand how to avoid similar accidents
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Hazard (risk) assessment How do you assure that a lab is safe? Energy capable of doing traumatic work on the body Sufficient amount Sufficiently concentrated Direction Ergonomic - repetitive injuries (white finger, carpal tunnel, back problems) - lifting injuries (back, pulled muscles, falls)
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Lathe Lathe
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Haas Lathe TL15
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Haas Lathe TL 1 Haas Lathe TL 1 chuck chuck key
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Haas Vertical Mill VF2 Super Haas Vertical Mill VF2 Super 12,000 rpm 12,000 rpm spindle
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Drill press chuck clamp chuck key spindle
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Band saw Band saw
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Energy hazard list think critically – is it exhaustive? Kinetic Gravitational Thermal Electrical Chemical Pneumatic Electro-mechanical Electro-magnetic
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Location Kinetic - moving tools or workpiece Gravitational - standing, stored objects Thermal - thermal brakes, chips, tools, welding Electrical - cords, outlets Chemical - coolant, welding gas Pneumatic - compressed air hoses Electro-mechanical - motors, positioning tables, tool changers Electro-magnetic - welding radiation
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1. Eliminate hazards through the design 2. Protect or guard against the hazard Warn the user about the hazard Train the user to avoid the hazard
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L-1 Safety - CNC Lab Safety ME1800 Objectives Understand...

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