NBC Bearings is a leading Indian bearing manufacturer and exporter founded in 1946. It produces over 100 million bearings per year in over 1000 sizes for customers in India and 21 other countries. The document describes NBC's production process, including its ball bearing and grinding departments. It provides details on the types of bearings produced, key customers, and NBC's locations across India.
This is a presentation about ball bearing manufacturing manufacturing process. There are mainly 6 parts of knowledge included in this presentation. Please visit
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- Omar Amen Ahmed Mohamed
- Habashy Shabaan Habashy
- Ahmed samy Ali
- Ahmed Ebrahem Bkhit
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This is a presentation about ball bearing manufacturing manufacturing process. There are mainly 6 parts of knowledge included in this presentation. Please visit
Team Members :
- Omar Amen Ahmed Mohamed
- Habashy Shabaan Habashy
- Ahmed samy Ali
- Ahmed Ebrahem Bkhit
- Ahmed Mohamed Abdel-Ghany Al-Ashry
- Gheath Mostafa Koujan
- Mohamed Ashraf Kamel
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Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
1. Dr . K.n. modi university newai
tonk (raj.)
Submitted By: Raj pareek
2. . Introduction of the company
. Network of Assambly
. Technical collaboration
. Turnover the company
. Costomer of company
. Product of company
. Ball depatment
. Chugrai –ro furnace plant.
. Grinding department
4. Nbc bearing is the premier brand of india is
leading bearing manufature and exporter
company , founded in 1946 by indstrial late
shri b.m. birla
Nbc is a pioneer, renowed for excellence in
quality and delivery for over 60 years
Nbc product over 100 million bearing each
year in more than 1000 sizes serve a host of
varried costomer across india and 21 other
countries in 5 continents
5. In from has capacity to develop bearing 10
mm bore to 2000 mm outer diameter . The
product range include in ball bearing.
With increasing activities and grant of
industrial licenses for other vital industries
and manufaturing the name of the company
was changed in 1958 to national engineering
industries ltd . Retaining its original trade
mark NBC
7. Domestic customer
. Ashok Leyland
. Bharat benz
. Bajaj auto
. Escort tractors
. Hero motocop
. Honda motorcycls
. Indian railway
Maruti suzuki
Tata motors
8. Amsted rail (usa)
Agrale brazil
Bonfiglio oil (itly)
Con met (usa)
Nissan (japan)
Rio tinto( australia)
daimler (germany)
9. Ball bearing
a ball bearing is type of
rolling element bearing that uses ball to
maintain the separation between the
bearing races .
The purpose of a ball bearing is to reduce
rotational friction and support radial
and axial load.
13. Chougai-ro is a re heating furnace highly
evaluated technology world wide since chougai
ro reheating furnace unit major iron works and
copper elongation company . This model suitable
all rolling mills such as hot rolled , section steel ,wire
rod , pipes mills.
Hardening furnace- a rotational drum seeling
extraction dedicated beam are adopted for the stable
transfer uniform heat in steel pipes.
14. The Hardness of steel is achived by a chougai
ro heat treatment process in which is steel
microstructure manipluted by cycle heating
and quick cooling obtain the optium hardness
range the steel rings. Usually the hardenss range
are 60 to 65 on rockwell c hardness scale.
Steel rings are suddenly quenched by quneching
oil and air steel materials formes extremely
hard & stronge.
18. . Face
. OD
. Track
Face grinding –G 81
Machine Name- nissei
B.N. 6203
by using outer wheel face
making.
Machine temprature are maintain by air
conditionar . 25~30 c abrassive wheel.
19. OD Grinding - grinding wheel and regulate
wheel are use to grind od.
B.n. 6203
By using coolant in cutting tool be od grind by
wheel.
Procees
Hopper ir sensor grinding wheel
After rough od we do finish Od .
Rough
Od
23. GRINDING small wheel
Are used make outer track.
Hopper
Ir proximatry sensor
Grinding wheel
Spindle
Upper arm
Lower arm
24.
25. In Outer track super grinding
We are use to stone to give a
Super pollish of outer track.
In outer track super grinding
We are use two types of stone.
1. Yellow
2. Green
Cnc machine are use
Left head
Right head
26. Inner rings -
1 Track
2 Bore
Inner track grinding-
1. work head
2. Wheel
3. Dressor
4. Arm
5. Grinding coolant
6. Gauge
27. We use to
Abrassive wheel
grind inner track.
one by one inner are
Comes to hopper and
grind by abrassive
Wheel.
After inner track
Grinding bearing go
Es for demagnet .
28. B.N. – 6204
MEAN SIZE- (5) MICRON
1. SLIDE
2. Backing plate
3. Spindle
4. Loading
5. Kova grinding machine
6. Air gauge.
29. Inner track are use to two types
Stone to super pollishing of
Inner track.
Yellow stone and green stone to
Be used pollishing of inner
Track.
30.
31. MACHINE NAME – CAULKA ASSAMBLY
MACHINE.
IR /OR
WASHING
IR /OR
TRACK
DIA.
cheking
pairing Ball
filling
Cage
assam
-bly
Cage
assam
bly
dema
genet
Ultra
sonic
washi
-ng
Noise
checki
-ng
Laser
marki
ng
Vaccu
me
dryin-
g
greeci
-ng
Rubb
er
seal
32. Rolling bearing part numbers indicate Bearing
type, Dimensions, Tolerance,
InternalConstruction & other related sphe Digits
& Indications are:-
1stDigit – Bearing Type.
2ndDigit – Width or Height Series
3rdDigit – Diamete Series
Last 2 Digits – Bore Diameter
33. B.N. 6207
6- DEEP groove BALL BEARING
2- DIAMETER SERIES 2
07- NOMINAL BORE DIAMETER (35)
Inside diameter- 35 mm
Outside diameter- 72 mm
Width – 17mm
Zz- double type groov on outer
