study of mini loft design

8/11/2019 Study of Mini Loft Design

http://slidepdf.com/reader/full/study-of-mini-loft-design 1/17

Study of Mini LoftDrawing

Presented By

B.JAGADISH

09341A0314

Under the guidance of

Dr. M. Srinivasa Rao

(Professor)



Hindustan ship yard

• The Hindustan shipyard, a government of Indiaundertaking, was set up in 1941.

• It has built and delivered so far 137 shipaggregating over 1.27 million DWT.

• The shipyard is at present capable of building bulk carriers up to 80,000 DWT.



Hindustan Ship yard

HSL has following divisions:

1)Ship building divisions2)Ship repair divisions

3)Offshore platform division

4)Structural fabrication division



Ship

“A ship maybe

regarded as hollow

structure to float onwater capable of

transporting goods

from one place to

another across the

surface of water”.



Principle of ship

• Ship is designed based on principle of Archimedes

principle.

• Archimedes principle:

"When a body is immersed in a liquid, it loses its

weight or an upward thrust acts upon it which is

equal to the weight of an equal volume of the liquiddisplaced."



Archimedes principle:



Working design of steel

• Based on approval classification drawings andmaterial order, the department will provide ablock division plan.

• The total ship will be divided into units based oncrane capacities at working place each otherunits as panels (or) blocks.

• Approximately each block weight will be between40-50 Tones.



The ship designing drawings are mainly 4types:

1. Working design or class drawings

2. Accommodation drawings and Out fittingdrawings

3. Machinery drawings

4. Mini loft drawings or computer aideddrawings



Why would we use cad software in a

design of ship?

• Save time

•

Make the 3-d models• Greater flexibility to easily modify designs

• Multi-user collaboration is supported in real-

time



MLDO

• In MLDO preliminary and final fairing of lines

of a ship as per the station offsets by basic

design office is done.

• In this we will use the cad softwares like

AUTOKON, TRIBON to make the ship design

in 2-D and 3-D.

• The design made in the software is fed onto a

CNC tape.



Methods used to make ship data models:

1.Plain drafting

2. Logical modeling3. CAD - supported logical modeling

4. Logic-supported graphical modeling



A CAD model



Contribution of CAD to Design

• An important contribution is made by the immediateavailability of data and information.

•

In this respect, plain drafting and CAD-based modelerssurpass other, more logical oriented methods.

• In addition to the availability of drawings by definition,

drafting and CAD-based methods also generallysupport immediate conversion of drawings, data andinformation to neutral formats, for broad and easysharing.



CONCLUSION

• By using the cad software we can produce the

3-D models in a less span of time.

• Data integration and sharing is easy.

•

The design parameters like dimensions, stressanalysis will be accurate by the use of CAD.

study of mini loft design

Documents