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Metals Processing 110
Shop Safety
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Safety is no accident
• As you view these slides, you should realize that a major part of shop safety is based upon common sense and thinking ahead. It is an accepted fact that forethought and the elimination of carelessness can avoid most shop accidents
•This unit is designed to acquaint new students with some common shop hazards. Its goal is to prevent injuries to the people who use shop facilities.
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Name the Symbols
Flammable Reactive Compressed gas Bio-Hazardous
Dangerously
Reactive Toxic Corrosive Poison
Guess the Safety Symbols
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Always wear SAFETY GLASSES in the shop.
100% 0f the time
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DO NOT WEAR: • Tennis shoes (wear thick soled leather shoes,
which provide some protection for the feet) • Sandals • Shorts, or cutoffs, • Tank tops, muscle shirts, etc. • Neckties, loose or torn clothing • Rings, watches, bracelets, or other jewelry that
could get caught in moving machinery. • Loose clothing or long sleeves (machines can
easily grab loose clothing in rotating parts)
Wear clothing appropriate for the shop
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Don’t be “Hair Brained”Wear your hair suitable for the
shop. You may protect long hair by:
1. Tying it neatly behind your head 2. Wearing a hair net
Things like: Long hair, loose clothing, and jewelry can become easily caught in rotating machinery commonly found on the shop floor
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General shop Safety Sense• Do not operate any machine unless authorized to do so by an
Instructor or under an instructor's supervision. • Do not set up or operate any machinery unless an instructor is
in the shop.• Use the proper tool for the job. Many cuts in the shop occur
when a wrench slips and a hand hits a sharp cutting tool. • Check tools before use to assure they are safe to use.• Aisles should be clear at all times to avoid tripping or other
accidents. • Keep the floor free of oil, grease, or any other type of liquid.
Clean up spilled liquids immediately; they are slipping hazards.
• Put tools away when not in use. • Place all scrap pieces in the correct containers. • Never handle chips with your hands or fingers. Chips are
extremely sharp • Use a brush to remove chips -- not hands, fingers, or rags.
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General shop safety tips continued
• Never use your gloves or use rags to clean the work piece or any part of a machine that is running. Rotating tools or parts can grab gloves and rags and pull you into the machine.
• Never use compressed air to clean any machine.
• Do not run in the shop; there should be no "fooling around"
• Get first aid immediately for any injury.
• Be careful around a person operating machinery; you may bump him/her by accident or startle them and cause an accident
• Make all adjustments with the machine off and locked out.
• Do not use machines without proper guards in place.
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Special eye protection for welding or cutting is required
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Never look at a welding flash
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Welding
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Cutting fluid can cause slippery floor conditions
Use “speedy dry” when needed. Then sweep up your mess.
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•All persons must wear safety glasses in the shop area.
•If you wear prescription eye glasses, they must be covered by an approved safety glass.
•Safety eyewear must be worn on the shop floor at all times.
Safety Glasses
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Be aware! Cutting and machining metal pieces can generate heat, handle work
pieces with pliers or gloves
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General tool safety
• If you break something tell me immediately. • Receive instruction before using any tool in the
shop. • Remove all jewelry ie; Rings, Watches and necklaces
and roll up sleeves.• Wear safety glasses.• Make adjustments to any tool with power off.• Do not leave machine running and unattended. • Keep hands away from machining chips and burrs. • Be sure all safety guards are in place.
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Band saw safety
• Adjust upper guide 1/8 in above material being cut.
• Match blade speed to material being cut.
• If blade becomes jammed, shut off machine before removing blade.
• Avoid hand and blade alignment while applying cutting pressure.
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Adjust upper guide 1/8 in above material being cut.
Adjustment dial
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Lathe safety • Wear safety glasses.• Material being machined
generates heat and can become hot!
• Use a brush to remove metal chips.
• Machining can produce a long spiral shaving, these are extremely hot and sharp do not touch!
• Rotating chuck can catch loose clothing jewelry, gloves,
• Never touch rotating work slight burrs can cause severe cuts.
• Always remove chuck key from chuck
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Brush away metal chips never use your hand, a rag, or a glove
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Never leave key in lathe chuck
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Be aware of sharp burrs produced by machining never touch moving work
pieces
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Protruding parts that rotate can catch clothing and jewelry
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Do not leave power switch in the on position, machine can be started by
accident
Always place switch in neutral position straight up and down
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Drill press safety
• Wear safety glasses.• Do not wear gloves during drilling
operation.• Keep vice handles to operators left
side. • Removes chips or debris from
drilling with a brush. (Never a rag or glove)
• Always remove chuck key from chuck.
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Never leave key in drill chuck
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Vice handles kept to the left. Holes 1\2 in diameter or larger, vice should be held
securely in place by;
Bolt through table slots Cam clamps
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Cutoff saw safety
• Wear safety glasses• Depress safety start button on side
of handle • Stand to one side of the blade as
you start and while cutting material.• Consistent downward pressure
while cutting.• Protect your self and others from
the sparks generated while cutting • Handle material with pliers or
gloves after cut ITS HOT !
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Cutoff saw
Safety switch button
Safety switch must be depressed before saw can start
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Protect others by Using a partition to guard against flying sparks or
debris
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Grinders• Adjust tool rest to within 1/8 inch of the wheel.• Stand to one side when starting a grinder.• Inspect grinder wheels for cracks or chips and
replace in needed. • Ring test wheels even new ones.• Check the R.P.M of the grinder matches the
wheel.• If the wheel receives an impact by accident
wheel may need to be replaced report any damage immediately.
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1\8 inch between wheel and tool rest
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The greatest safety award is going home at the end of the day with
everything you arrived with
The End
Fingers, hands ,arms, eyes, and your life.