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welding > Welding > Flashcards

Welding Flashcards

1
Q

What are the three different types of Welding?

A
  1. Shielded metal arc welding (SMAW) - stick welding
  2. Gas metal arc welding (GMAW) - MIG welding
  3. Gas tungsten arc welding (GTAW) - TIG welding
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2
Q

What is the use of Stick welding (SMAW)?

A

SMAW is used for heavy duty work with industrial metals.

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3
Q

What is the use of TIG welding (GTAW)?

A

GTAW welding is used to make fine welds on thin pieces of metal.

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4
Q

What is the use of MIG welding (GMAW)?

A

GMAW welding is used to join dissimilar metals with close melting points and metallurgical properties.

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5
Q

Remember to return library book

A
  • It’s fast and easy
  • It’s environmentally friendly
  • It makes a strong weld
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6
Q

What are the negative aspects of Stick welding (SMAW)?

A
  • Hard to control the heat
  • Hard to control the quality of the weld
  • Cracking
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7
Q

What are the positive aspects of TIG welding (GTAW)?

A
  • Welds different types of metals
  • No slag, sparks or smoke
  • Can be used in all positions
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8
Q

What are the negative aspects of TIG welding (GTAW)?

A
  • Higher level of UV rays
  • Higher level of operator skill
  • Requires good hand-eye coordination to have good results
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9
Q

What are the positive aspects of MIG welding (GMAW)?

A
  • Can be used in all positions
  • No slag removal
  • High weld metal deposition rate
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10
Q

What are the negative aspects of MIG welding (GMAW)?

A
  • Requires a shielding gas (cost)
  • Only welds ferrous metals
  • Complex equipment set
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11
Q

What are the four positions of welding?

A

1) Horizontal
2) Vertical
3) Flat
4) Overhead

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12
Q

Which welding position is the easiest and which is the hardest?

A

Flat is the easiest and overhead is the hardest.

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13
Q

Describe the process of Stick Welding. (DON’T NEED)

A
  1. Prepare the materials
  2. Set up the welding machine
  3. Strike an arc
  4. Move the electrode along the joint
  5. Control the speed and angle
  6. Finish the weld
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14
Q

Describe the process of MIG Welding.

A
  1. Put on safety gear
  2. Turn on gas
  3. Turn on welding machine and set wire speed and voltage
  4. Make sure clamp is attached to table
  5. Cut back wire
  6. Line up weld
  7. Start welding by pushing
  8. When done, use pliers to pick up
  9. Turn everything off and clean up
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15
Q

What safety equipment is needed for welding?

A

1) Welding helmet
2) Safety glasses
3) Welding coat
4) Gloves
5) Natural materials for clothes and shoes

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16
Q

What safety equipment is needed for Plasma cutting?

A

1) Dark glasses (min level 5 darkness)
2) Gloves
3) Welding coat
4) Natural materials

17
Q

Outline the design process.

A
  1. Find problem
  2. Research
  3. Come up with an idea
  4. Draw 3 designs
  5. Make 3 models
  6. Pick one
  7. Make a to scale model
  8. Prep materials
  9. Make
18
Q

How to use a Pedestal Grinder safely?

A
  1. Wear safety glasses + hair up
  2. Turn on
  3. Use tool rest to rest metal on
  4. Grind
  5. Wait for it to stop spinning before leaving
19
Q

How to use an Angle Grinder safely?

A
  1. Wear face shield + hair up + hearing protection
  2. No gloves
  3. Clamp metal
  4. Turn on
  5. Grind
  6. Wait for it to stop spinning
20
Q

How to use a Drill Press safely?

A
  1. Get material
  2. Clamp material
  3. Set drill bit
  4. Put cutting fluid on
  5. Start drill
  6. Slowly drill hole
  7. Make sure not to touch metal shavings
21
Q

How to use a Cutoff Saw safely?

A
  1. Wear face shield + safety glasses + hair up + hearing protection
  2. Clamp metal
  3. Turn on
  4. Slowly saw through metal
  5. Wait for it to stop spinning
22
Q

How to use a Horizontal Saw safely?

A
  1. Wear safety glasses
  2. Clamp metal
  3. Line up cut
  4. Put on cutting fluid
  5. Turn on machine
  6. Turn off when done
  7. Don’t touch, it’s hot
23
Q

How to use a Plasma Cutter safely?

A
  1. Wear dark glasses + hair up + welding coat + gloves + no synthetic materials
  2. Clamp metal
  3. Attach ground clamp where it won’t fall off
  4. Put speed square on
  5. Turn on cutter
  6. Cut
  7. Clean up

welding (1 decks)

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