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Customer
Gintic Institute
of Manufacturing Technology, Singapore
The Problem
Many shipyards world-wide carry out repairs and modifications to crude
oil tankers. This involves cutting access holes in decks and superstructures
and the removal of flange bolts. Currently, gas torches are widely used
for cutting access holes producing an obvious safety risk in an environment
where oil residues may be present. The removal of the flange bolts, found
on the pipework that transports the oil around the ship, can be extremely
difficult as they are subject to very harsh conditions, and can be extremely
corroded. Hammers and chisels are used to split and remove the nuts on
the pipe flanges. This is a time consuming task.
Abrasive water jetting
is a far safer cold cutting technology with the ability to cut almost
all materials.
Objectives
To apply DIAJET technology for cutting access holes and pipe flange
bolts:
- Remote ability
cutting hundreds of metres below deck
- Single hose delivery
for confined access and manoeuvrability
- Precise cold cutting
including deck plates and flange bolts
- Low cutting head
mass and reaction forces
Outcome
- Reduced cutting
times
- Safer cold cutting
- One machine cuts
most materials
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Approach
An OSPREY-style containerised unit combined DIAJET technology with
a slurry hopper and sea-water filtering module with custom manipulation
for both deck plate and flange bolt cutting.
DIAJET in use cutting
ship hull plates
For more
details, or to discuss your case, please contact
us.
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