SWP Flashcards by Jas Cachia

All workers have the responsibility to what?

Advise supervisor of any perceived risk
Use PPE
Understand and follow established safe work practices and procedures
Inspect and report any defects

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What is the CTK?

Composite tool kit system

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What are some key things to be aware of when working with oxygen?

Boom
Only AVTECHs work with oxygen
Oxygen tool kit is ONLY to be used on oxygen systems to keep the tools clean and free of debre

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What is a key requirement for a multiple piece tool kit?

Each individual element needs to be serialised

E.g. All of the allan keys in a set of allan keys need to be individually serialised

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What does a oxygen tool kit need to be fitted with in order to be operational?

Secured with a lock

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What are the key roles of the CTK manager?

Manage defective tools
US tag and remove defected tools

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Responsibility of personnel drawing and returning tools from the CTK?

Tools must be serviceable, calibrated and appropriate for set taskings
Report any defective tools to the CTK manager

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Why is calibration important when relating to tools?

Calibration is done to determine and document the difference in the reading given by the tool and compared with the reading given by the fixed measuring standard
Calibration maintenance is conducted to establish a level of confidence in a specific item

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What is a spanner?

A tool used to hold and secure the head of a bolt of nut

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What is to be done when you identify a defective tool?

Report to CTK manager
US tag is to be placed in the defective tools place on the CTK
US tool is not to go back on the CTK

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Some types of spanners?

Double open ended
Ring spanner - single or double hex ring
Combination spanner
Flare nut spanner - crow foot shape - used for aircraft plumbing

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What is a socket?

Tube shaped spanner

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What is a speed brace?

A cranking handle that allows for high speed fastener rotation

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What is another name for a hex key?

Allan key

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What are hex keys made from?

Hardened tool steel

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What is the definition of a hex key?

Hexagonal cross section and L shape with 1 long and 1 short leg

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What is the definition of torque?

Torque is a measure of the force that can cause an object to rotate on an axis

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What is a screw driver?

Hand held tool used to turn screws

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What is another term for a ‘common screw driver’?

Flat head

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Most commonly used hammer for metal work?

Ball peen hammer

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What is used to clean a file?

File card

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Important care for a file?

Store away from other tools
Store in a clean environment

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Important thing to remember when replacing the blade on a hack saw?

Insert the blade into the frame with the teeth pointing AWAY from the HANDLE

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What is another term used for mark out?

Lay out

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Why is it important to lay out?

To provide lines to work to

What is the datum?

Fixed start point No datum = accumulative error Symbol - Triangle

Smallest distance from 1 line to the next on a micrometer?

0.50mm

Fundamental care for the vernier and micrometer?

- Jaws are to be cleaned - Jaws are to be parallel when closed - Confirm a reading of zero when closed

Important things to ensure / remember when using tools / machinery?

- Consider if you are trained and authorised to used the equipment - PPE

What is of key importance when drilling or reaming?

Ensure your work is held FIRMLY by the vice, clamps or jigs when using the bench drill

What is of key importance when using the hand break / pan press?

- 75% of the feet are in place - Ensure all personnel are cleared before moving anything

3 typed of clearance / fits?

- Transition fit - Clearance fit - Interference fit

What is a transition fit?

In between clearance and interference fit

What is a clearance fit?

- No friction - Slides through - Permits movement

What is an interference fit?

- Requires a force / press - Does not permit movement

What is the hole basis chart used for?

- Gives accurate tolerances to apply to either the shaft or the hold to give the desired type of fit

What is an oil can?

Hand operated oil can with small mechanical pump which is operated by the thumb

Grease gun requires what?

Grease nipple

Types of cables?

- Non flexible - 1x7 - 1x19 - Flexible 7x7 - Extra flexible 7x19

Types of cable terminals?

- Eye splice - Lap Splice

What is a pulley?

Has a grooved wheel around which a controlled cable passes

2 types of metal?

- Ferrous - Contains iron - Non ferrous - Does not contain iron

What does the term hardness refer to?

Toughness

JUST REMEMBER

Chromium - Melybdenum steel (Chrome molly)

Metals generally used for high temp areas?

- Stainless steel - Cres

Advantages to using aluminium?

- High strength to weight ratio - Workable / ease of fabrication - Can be hardened through treatment: Solution / Precipitation - Can be softened through treatment: Annealing

What is annealing?

To soften or remove work hardened stress from heat treatment or cold working

What is hardening?

Is the process when a metal is heated to above the critical temperature then rapidly cooled

What is tempering?

A process generally applied to steel to relieve the strains induced during the hardening process

Most common metal test?

Bend test

Most common hardness test?

Brinell hardness test

Most common impact test?

Izod test - pendulum drop

2 types of plastic?

Thermoplastic - soften when heated and harden when cools Thermosetting - cures with heat and permanently sets

What is the tensile test?

- Uses the known cross sectional area - Gripped and stretched

Primary advantage of using composite metals?

- High strength - Low weight - Corrosion resistance

What does the dash symbol mean on a bolt?

Cres

What are the first 2 number in the part number of a bolt or screw?

Diameter and length

Where are 12 pointed washer head bolts generally used?

- High temp areas - Also have high strength

What type of load does the clevis bolt need?

Shear load

What type of load does the eye bold need?

Tension load

When is internal wrenching generally used?

Used in special airframe application where sever loads are imposing on the structure

When are fillister head bolts generally used?

When the surface smoothness is not critical due to its curved head

2 types of nuts?

- Self locking, generally nylon - Non locking - plain, castle

Types of washer?

- Plain - Locking - Tab washers, spring washer

Another name for a split pin?

Cotter pin

Most commonly used lock wiring method?

Double twist method

3 Diameters of wire used for lock wiring?

- 0.020" - 0.032" - 0.041"

PTI for 0.020" wire?

9 - 12

PTI for 0.032" wire?

7 - 12