Page 132 - Ship Construction.DJ Eyres 6Ed

Ch12-H8070.fm Page 121 Wednesday, October 18, 2006 6:55 AM
Ship Drawing Office, Loftwork and CAD/CAM 121
Hull
definition
Concept and design Design Software
design database
calculations
Loading
inner
structure
surface
Generation
preliminary
lines to ship
database Loading
stiffening
Ships database seams + butts
cutouts
Roll setsสมุด ศูนย์ฝกพาณิชย์นาวี
3D interrogationsั้น---
etc.
surface + General
Final lines interrogation 3D wire arrangements
--- ใช้เพื่อการศึกษาเท่าน
plans ship model
lines
fairing Model Structural
Design Plate line + drawing drawings
generator
body plan Loading
and fairing Standard Fabrication
seams + details drawings
longitudinal
Shell Precoded
expansion rules –
procedures
builders
standards
Develop- Unit ึ
ment of assembly Interactive
shell models and assembly
parts coding
plates
Manufacture builder Material lists
model
weights
centres of
Longitudinal
frame Parts gravity
development Interactive
+ offsets parts Nested
nesting formats
งานห้อง + transverse Nested formats integration Production
NC
tape
Shop
Model
drawings
frame
offsets
Drawing
+ drawing
file
generator
control
drawings
Jig
pin
heights
etc.
FIGURE 12.3
requisitioning information can be stored on the computer to be interfaced
with the shipyards commercial systems for purchasing and material control.
Sub-assembly, assembly and block drawings can be created in 2-dimensional
and 3-dimensional form and a library of standard production sequences