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Glossary of terms you will come across during your Phase 2 training.


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EMF is electro motive force.

Every motor, as well as being a motor, is also capable of generating electricity. If you examine a motor, you will see it is a series of low resistance coils of copper wire, wrapped around a soft iron core. If we connect this across a power source, this is essentially a dead short circuit. The reason why the motor does not burn out when connected is that, as soon as the motor starts to turn, it generates its own EMF, back toward the supply source that is making it turn.

This back EMF restricts the forward flow of electricity, thus preventing the motor from burning out. If we restrict the speed of the motor (overload it), we restrict its ability to generate a back EMF. As a result, too much forward current will flow, and this will cause the motor to burn.

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Backlash, no matter how big or small the gears are!

Backlash (or lash) is the amount of free play left between gears in mesh. The purpose of this lash is to allow room for gears to expand when they are hot, and to leave clearance between gear teeth for lubricating oil.

Remember, it makes no difference how big or small the gears are, the science, theories and adjustments on them are still the same:

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Engine sumpA baffle is a dividing partition in a sump, reservoir or exhaust box. The partition divides the area inside, but does not seperate it. For example, in the sump of an engine, the baffle plates stop the oil surging around, thus reducing the possibility of oil starvation if the vehicle is suddenly braked or is operated on a slope.

In the reservoir of a hydraulic system, the sump has a similar function, to prevent oil surging around. There is also a secondary function of assisting in cooling.

In an exhaust silencer box, there are baffles which assist in taking some of the engery out of the exhaust gasses and convert this engergy to heat. This makes the exhaust quieter.

Reservoir

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Also known as the ETB (Education and Training Board) Baldoyle TSU (Training Services Unit).

The Baldoyle Telephone Number: 01-8167400

The FAS Training Centre, BaldoyleDirections and Sat Nav Co-Ordinates here

The CP Fitters' Section operates under the auspices of the Baldoyle Training Centre.

The CP Fitters' Section is located in a satellite industrial unit in the Baldoyle Industrial Estate, about 300 metres away from the Baldoyle Training Centre.

Please note, if you ring CP Fitters, we cannot put you through to the FAS training centre. CP Fitters have their premises in a different part of the Baldoyle Industrial Estate, and we are on a separate telephone network.

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Low friction bearing used to support radial loads in automotive applications.

Ball bearing with the parts named

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Ball jointThis is a spring loaded ball and socket joint used mostly in the steering systems of plant vehicles. The joint allows a range of movement between the various rods and linkages that make up the steering system.

If the ball joints are fitted to the track control rod, they may be called 'track control rod ends'. These have the same basic construction as the ball joint, they are just named differently because of where they are used.

Read more here on ball joints and check out the overall layout of the steering system here.

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Ball pein hammerThis is a hammer used by construction plant fitters. It comes in different weights, usually up to 1kg (2lbs).
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From the company website:

The BAM civil logoEstablished in 1958, BAM Civil (formerly Ascon), is the largest civil engineering and public works contractor in Ireland.

BAM Civil prides itself on delivering quality projects safely, on time and within budget. Innovative solutions, engineering ingenuity, adherence to the highest safety and quality standards and professional construction management are the hallmarks of BAM contracts. Read More...

Company Contact: Adrienne Bryan

Apprentices: Kevin Cross (g1cp13a)

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A bar is a measure of pressure.

1 bar = 100 kPa, or

1 bar = 100,000 Pascals.

The conversion factor to the Imperial way of measuring pressure is 14.5

In other words to convert bar to psi (pounds per square inch), multiply by 14.5.

Example: Convert 2 bar to psi.
Answer = 2x14.5 =29 psi.

Although bar and atmospheres (atm) are very similar ways to measure pressure, they are not the same:

1 bar = 100 kN/m2 = 14.5 psi

1 atm = 101.3 kN/m2 = 14.7 psi

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Company Contact for Reel-Tech

Telephone: 01 8015871; Mobile:087 6388955

Apprentices:


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