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Welding Safety Arc Welding Presentation

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Welding Safety arc welding  presentation

Welding Safety

Description:

Welding Safety arc welding  presentation

Oxygen and acetylene cylinders must always be kept in an ... Never handle cylinders with oily, greasy hands. Keep oil and grease away from the cylinders. ... – PowerPoint PPT presentation

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Welding Safety arc welding  presentation

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Welding Safety arc welding  presentation

Transcript and Presenter's Notes

Title: Welding Safety

Welding Safety arc welding  presentation

1

Welding Safety

2

Safe Cylinder Handling and Storage

  • The gases in oxygen and acetylene cylinders are

    flammable and, under some conditions, explosive!
  • Oxygen and acetylene cylinders must always be

    kept in an upright position, even while theyre

    being moved.
  • Avoid banging cylinders against each other or

    against another object.
  • Do not drag or roll cylinders across the floor.

3

Safe Cylinder Handling and Storage Cont.

  • Never handle cylinders with oily, greasy hands.

    Keep oil and grease away from the cylinders.
  • Do not store oxygen cylinders with acetylene

    cylinders. Store them separately.

4

Different Types of Cylinders

  • Oxy-fuel cylinders
  • Oxygen cylinders

5

Ultraviolet Light

  • Ultraviolet light is a form of radiation which is

    not visible to the human eye.
  • Radiated energy, or radiation, is given off by

    many objects a light bulb, a crackling fire, and

    stars are some examples of objects which emit

    radiation.

http//solar-center.stanford.edu/activities/uv.htm

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http//liftoff.msfc.nasa.gov/academy/universe/ultr

aviolet.html

6

Fire Prevention

  • Keep the shop clean. Entrances, emergency exits,

    and aisles must be kept clear at all times.
  • Know where the fire extinguishers are located and

    read the instructions on the extinguishers.
  • Know what types of fires the extinguishers are

    for and know how to use them in an emergency.

7

Fire Extinguishers

  • Fire extinguishers are labeled according to the

    type of fire on which they may be used.
  • Fires involving wood or cloth, flammable liquids,

    electrical, or metal sources react differently to

    extinguishers.
  • Using one type of extinguisher on the wrong type

    of fire could be dangerous and make matters even

    worse.

(Phoenix Fire Department)

8

Types of Extinguishers

  • A Type A label is in a triangle on the

    extinguisher. This extinguisher is used for

    ordinary combustibles such as cloth, wood, rubber

    and many plastics.
  • A Type B label is in a square on the

    extinguisher. This extinguisher is used for

    flammable liquid fires such as oil, gasoline,

    paints, lacquers, grease, and solvents.

(Phoenix Fire Department)

9

Types of Extinguishers Cont.

  • A Type C label is in a circle on the

    extinguisher. This extinguisher is used for

    electrical fires such as in wiring, fuse boxes,

    energized electrical equipment and other

    electrical sources.
  • A Type D label is in a star on the extinguisher.

    This extinguisher is used for metal fires such as

    magnesium, titanium and sodium.

(Phoenix Fire Department)

10

Welding Near Flammable Materials

  • Keep the work area clean and also free of

    flammable materials.
  • Empty or remove any flammable materials that are

    present while welding.
  • Have a suitable fire extinguisher nearby.
  • Label newly welded items as hot to alert

    classmates.

11

Hand Tool Safety

  • There are many different types of hand tools.

    Always use the tool designed for the work you

    want to do.
  • Before you use a tool, check it to be sure its

    clean and in good condition.
  • Always carry tools by the handle.
  • Do not carry tools in your pockets.

12

Portable Power Tool Safety

  • Wear safety glasses, goggles or a face shield

    whenever you use a power tool.
  • Use power tools only when the instructor is

    present in the shop.
  • Remove rings, watches, bracelets and necklaces.
  • When disconnecting a power tool, always pull the

    plug, never yank on the cord.

13

Arc Welding Safety

  • Be sure youre standing on a dry floor and that

    your hands are dry when you operate the welding

    unit.
  • Check the ground connections. The work must be

    properly grounded.
  • Be sure the insulating shields on the electrode

    holder are in place and in good condition.

14

Arc Welding Safety Cont.

  • Check the cables to be sure theyre dry and free

    of oil or grease.
  • Lay the cables where they wont be tripped over

    or damaged.
  • Always keep welding cables away from power supply

    cables or other power lines.

15

Basic Electrical Safety

  • All electric power tools and equipment must be

    grounded(3 wires or double insulated).
  • Electric tools and equipment must be in good

    condition.
  • Make sure the plug on the power tool is in good

    condition also.
  • Electric motors must be kept dry, clean, and free

    of dust or particles.

16

In Conclusion…

  • Always watch what you are doing when you weld.

    The slightest mistake can mean life or death.
Welding Safety

That's the seminar will be useful for those who read it. Thank you for your visit

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