The Investment Casting Division is
the latest diversified manufacturing unit commissioned in the year
2002.
The prime advantage of this process
is its ability to produce Engineering components that are close to
the final shape with excellent surface finish and dimensional
accuracy in microns. Choice can be made from a wide selection of
newly developed alloys with ease of handling any complex shapes,
irrespective of materials of construction. This eliminates /
minimizes costly and cumbersome machining operations and wastage
as scrap.
Our unit has the facilities to
undertake fine details like serrations, spines, holes and slits.
Even letters and logos can be reproduced accurately in the casting
itself. Our prime objective is to supply materials to the fullest
satisfaction of our customers and at competitive prices with
respect to consistent quality, timely delivery for all grades to
National & International Standards accurate in dimension and
consistency of sound structure.
Composition
& Grades: Ferrous and non-ferrous metals and
alloys including
Nickel and Cobalt based super
alloys
Aluminium and its alloys
Low Alloy Steels
Carbon
Steels
High Alloy Steels
Grade of Hastalloys
All grades of stellites
Production
Capacity
15
M/T per month
Job Handling Capacity
Length: upto 400 mm
Weight: from few frames to 25
kgs per piece
Standard normal tolerance: As a
general normal linear tolerance of investment castings start
with ± 0.125 mm extending to ± 0.25 mm upto 25 mm and ±
0.10 mm for each addition of 25 mm thereafter. Normal
tolerance can be expected for production repeatability of all
casting dimensions. Even closer tolerance can be achieved.
Premium tolerance requires additional operations and very
close tolerance can be achieved on selected dimensions only.
The tolerance achieved will depend on the alloy and
configuration of the castings. The same can be determined
during consultation with our Engineering Wing.
Production Facilities
In-house
design cell
High
pressure wax injection machine
Auto
clave
Variable
frequency induction melting furnace
High
temperature shell firing chamber furnace
Specially
designed knock out and cut off equipment
Automatic
grinding equipment
Heat
treatment facilities
In
house machine tool shop
Shot
and sand blasting facility
Spectrometer
for ferrous alloys
Head Office:4 BBD Bag (East), Stephen House, 3rd Floor, Room No 47/1,
Calcutta 700001. INDIA. Tel: 91-33-2206442, Fax:
91-33-2206460
E-Mail: info@rrlsteels.com
