Lesson 8 Lesson 8 Plate and Section Plate and Section PreparationPreparation

ContentsContents

StockyardStockyard

ManglesMangles

Shot blastingShot blasting

Priming paintPriming paint

Plate handling in machine shopsPlate handling in machine shops

Lead-inLead-in Why is initial preparation of Why is initial preparation of

material material

essential?essential?

StockyardStockyard

Questions about the Questions about the stockyard:stockyard:

Why don’t Japanese yards need so much Why don’t Japanese yards need so much

stock of plates and sections?stock of plates and sections?

How are the plates now stacked and are How are the plates now stacked and are

there any changes in the system?there any changes in the system?

How is the material delivered in the How is the material delivered in the

stockyard?stockyard?

ManglesMangles

Shot blasting plant Shot blasting plant

Airless spray painting Airless spray painting plantplant

Language knowledgeLanguage knowledge Participle used as an attributeParticiple used as an attribute1.1. As a rule the stockyard is an uncovered As a rule the stockyard is an uncovered

space space having sufficient area to provide having sufficient area to provide storage for enough plates and sections storage for enough plates and sections required for the working of the yard some required for the working of the yard some months ahead.months ahead.

2.2. Plates Plates required for the work being required for the work being processedprocessed may be pre-stacked at the may be pre-stacked at the captivator which can be remotely controlled captivator which can be remotely controlled so that as each plate is required it lifts, using so that as each plate is required it lifts, using magnetic clamps, the plate from the top of magnetic clamps, the plate from the top of the pile and then transfers it to a roller the pile and then transfers it to a roller conveyor. conveyor.

The use of “IT”The use of “IT” 1. 1. 作形式宾语作形式宾语 In the United Kingdom the amount stored In the United Kingdom the amount stored

might be about three months’ stock, but might be about three months’ stock, but shipyards in countries which are not shipyards in countries which are not substantial steel producers may find substantial steel producers may find it it necessary to carry much larger stocks of necessary to carry much larger stocks of material. material.

2. 2. 作形式主语作形式主语 On arrival in the stockyard, since the coding On arrival in the stockyard, since the coding

is generally in terms of the unit structure for is generally in terms of the unit structure for which each item is intended,which each item is intended, it it is convenient is convenient to store the plates and sections in their to store the plates and sections in their respective ship and ship unit areas. respective ship and ship unit areas.

----yardyard

1. ship1. shipyardyard

2. school2. schoolyardyard

3. back3. backyardyard

4. boat4. boatyard yard

5. stock5. stockyardyard

----ageage1. anchor1. anchorageage2. break2. breakageage3. bond3. bondageage4. 4. milemileageage5. 5. baggbaggageage6. cover6. coverageage

Over-

1.overhead

2.Overhaul

3.Overflow

4.Overload

5.overlook

Bird’s view of an Bird’s view of an shipyardshipyard

Assignment Assignment

Memorize the language points .Memorize the language points . Extended readings Extended readings

1.1. Why is the shot blasting plant Why is the shot blasting plant often installed horizontally, not often installed horizontally, not vertically?vertically?

2.2. What is material marshalling?What is material marshalling?