Registered Office:-
No. 720 VLB House, Avinashi road, Coimbatore - 641 018.
Factory Address :-
No. 173/1 A2, Chinna Quili Road, Kallapalayam Post, Coimbatore - 641 201.
Telephone :- +919965544444
Email :[email protected]
PROFILE
SHRI LAKSHMI NARASIMHAR FOUNDRIES PRIVATE LIMITED
PROMOTERS
M/s Shri Lakshmi Narasimhar Foundries Private Limited
Mrs. S.Jaishree - Managing DirectorMr. L.Santhosh - Director
The board of directors are well experienced in engineering industry since 2007. This team along
with dedicated professionals, commited to cater the needs of casting (Machined / as cast) for
automobile, textile, defence and applications in and arround India of the following specifications.
Manufacturing.
A) Casting Weighy range
1. S.G / Ductile Iron (EN - GJS) - 0.5 kg to 40 kg
2. Grey Iron (EN - GJL) - 0.5 kg to 80 kg
520x520x150x150B) Casting Grades Produced:- 520x520x200x200
Grades of S.G / Ductile (Ferritic and Pearlite) & Grey Iron
Materials DIN 1693 ENIS Stanard
1865Material DIN 1691 EN IS 210
S.G/ Ductile
IronGGG 40
EN-GJS-
400-15US.G- 400/15 Grey Iron GG 15
ENGJL-
150FG 150
S.G/ Ductile
IronGGG 40.3
EN-GJS-
400-18US.G- 450/10 Grey Iron GG 20
ENGJL-
200FG 200
S.G/ Ductile
IronGGG 50
EN-GJS-
500-7US.G- 500/7 Grey Iron GG 25
ENGJL-
260FG 260
S.G/ Ductile
IronGGG 60
EN-GJS-
600-3US.G- 600/3 Grey Iron GG 30
ENGJL-
300FG 300
Location:-
The unit is located at S.F .No 173/1 A2, Chinna Quili Road, Kallapalayam Post, Coimbatore - 641 201.
With in Coimbatote city limits which is an Industrial HUB. Easy approach from Coimbatore
railway station, Airport and Bus stand.
600x700x150/300
Box Dimensions
400x520x150/150
600x700x150/200
I. SAND PLANTa. Eirich Sand Mixer:Return sand, New Sand, Coal Dust,Bentonite are Preweighed to correct
quantity using load cell arrangement.
b.Water pannelWater addision is controlled through a water pannel to add correct / required quantity of water.
c. Control PannelThe whole sand plant operation is controlled using PLC control pannel
d. Sand HandlingVibrating Shack out, OBMS, Elevatorsploygonal Screen, magnetic Drums,Batch and Storage hoopers and conveyorsare control by PLC.
Eirich Sand Mixer
Water Pannel
PLC Control Pannel and Load Cell Pannel
II. MOULDINGa. Machine Moulding :SMFA 450 size simultaneous joltsqueeze moulding machine one pair withdual pin centre (595 and 780 mm), which gives rigid mould to maintain surfacefinish and dimensional accuracy.
b. Mould HandlingBi-rail arrangement with electric hoists tohandle moulding box / moulds and closingPallet cars, track line, transfer trolleys inuse for smooth movement of closed moulds.
c. Hand Moulding5 Ton E.O.T crane is in use to handle pattern, moulding box, moulds, metal pouring etc.
III. CORE SHOPCo2 process with gas burner, oven baking,oil sand and air set oil process are in use.
Work benches, Core racks with necessary hand tools are used to make proper cores.
Core Storage Racks
SMFA 450
IV. PATTERN SHOPNo of pattern makers with modern facilitiesto make woodern, metal and araldite patterns are available in and arround coimbatore.Hence new patterns are outsourced.
Pattern repair, methoding etc are crried outinhouse.
1000 x1000 mm Surface table, 0 - 1000 mmdigital vernier guage, Shrinkage vernier andothermeasuring instruments available fordimensional inspection of patterns,finished castings.
Pattern storage racks to maintain patternsand core boxes in good condition withspecific locations and identifications.
V. MELTING DEPARTMENTa. FurnaceMelting department is equiped with medium frequency induction furnace of following specification.
Rated K.W : 500 K.WFrequency : 500 HzCrucible capacity : 1000 kg & 500 KgMake : Fluxotherm India Ltd.
Metal Pouring500 kg treatment laddle, 250 kg "T" spout pouringshanks and 1 ton laddle are in use.
Metal is tapped from furnace using 1 ton or 500 kgladdle as the case may be and distributed to 250 kgpouring shanks.
Using monorail system with laddle handler the metalis poured in the moulds which are in the track lines.
Pattern Inspection
Pattern Storage racks
Metal Tapping
Metal Pouring & Temperature Checking
VI. FINISHING DEPARTMENTa. Shot Blasting500 kg capacity close loop, spin hook hanger type, cabin operated shot blasting machine.
Pedasal grinders, Swing grinder, Disc Wheel AG 7 angle grinders (Electrical) and Mountedpoint grindrs are for final finishing.
Dimensional inspection with report is madeready by inspection in pattern shop.
VII. QUALITY DEPARTMENTa. Moulding Sand ControlFull fledged sand testing lab to controlclay bonded moulding sand. To name a few USM (GCS,GSS), Permeability meter, clay washer, Moisture tester etc.
b. Chemical AnlaysisCarbon Sulphur apparatus and table tabSpectromaxx Spectrometer are used toanalyse the chemistry.
c. Mechanical Testing40 ton UTM and BHN machine to test tensile and surface hardness.
Sand Testing Equipments
UTM & Brinell Hardness Tester
Spectro Meter
Shot Blast Machine
d. Mould & Core hardnessMould hardness tester, to test the mouldhardness and scratch hardness to checkcore strength.
e. Liquid metalC.E Meter for Carbon & Silicon and immersion pyrometer to control the pouring temperature.
Green Belt
- 120 Pysonia trees are planted arround perephery.
- Bag filter dust collection system for shot blasting machine.
- Fume extraction system along with solar evaporation pan provided for induction furnace .
- 1m x 1m / 2m depth rain water recharge pit 6 no's provided for rain water harvesting.
Captive generator
- 185 KVA generator is in use for auxillary supplies.
Proposed developments
- Binacular inverted microscope with image analyser for metallurgical study.
CE MeterCE Meter
Mould Hardness Core Hardness
Water
Pig Iron Patterns
M.S Scrap
C.R Sheet
Borings
F.R Mould Preparation
Carbon
Silicon
Manganese
Inaculants Moulds on Track Line Moulds Preparation
.
Used Return Sand
F.R
Rej. Rej. Rej.
PROCESS FLOW CHART
Used sand
Patterns & Core Boxes
From CustomerNew sand Silica Sand
Coal Dust Binders
Bentonite PowderMethoding
Pattern & Core box
InspectionOven (or) Co2 gas
Sand Plant Pattern Shop Core Shop
Core sand MixerSand Preparation
Moulding sand Pattern Storage Core Box Storage
Core Making
Melting Induction Furnace
Metal Testing Core Storage
Machine Moulding
Chemical Lab
Hardness Tester
Silica sand
Spectro Meter Binder
CE-Meter
U.T.M Mould ClosingHand
MouldingSand Mixer
Good Salable Casting Despatch
Metal Pouring Metal Pouring
Knock Out
Runner Riser
BreakingWaste sand
Dispose
Castings
Final Inspection Fettling & Grinding Shot Blasting Inspection