NBC Training Presentation
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NBC Taper Roller Bearing Division " Summer Training-2016" Presentation in Bearing Manufacturing Process and Mintenance
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NBC Training Presentation
- 1. A Presentation on Practical Training taken at “National Engineering Industries Limited, Jaipur” From May 15 to July 15, 2015 Submitted in partial fulfillment for the award of the Degree of Bachelor of technology in Department of Mechanical Engineering Submitted by: Hitesh Sharma Roll. No. 13ESKME036 Department of Mechanical Engineering Swami Keshvanand Institute of Technology, Management & Gramothan, Rajasthan Technical University
- 2. INTRODUCTIONTO “nbc” • National Engineering Industries Limited (NEI) is the flagship company of the CK Birla Group, a conglomerate with a turnover of US$ 1.6 billion. • NEI was founded in 1946 by the renowned industrialist, Shri B M Birla, under the name of ‘National Bearing Company Limited’. • The name of the company was changed in 1958 to ‘National Engineering Industries Ltd.’ retaining its original trade mark NBC. • Over the past 60 years, NBC, has grown to be the leading and fastest growing bearings brand in India and currently produces over 100 million bearings in more than a 1000 sizes every year.
- 4. Product Portfolio Ball Bearing Taper Roller Bearing Cylindrical Roller Bearing Spherical Roller Bearing Railway Products Special Bearing’s Product Next Generation Bearing
- 5. “nbc” Jaipur Plant • NEI’s Jaipur Plant is located at Khatipura Road. • The Jaipur Plant also act as Headquarter of National Engineering Industries Limited. • Spread over a total area of 4,78,900 m2 and a covered area of 75,310 m2. • Jaipur plant has state of the art manufacturing facilities and capable to manufacture all types of Ball and Roller Bearings of NEI product range.
- 6. Working Divisions At “nbc” Jaipur nbc Ball Bearing Department Taper Roller Bearing Department Railway Bearing Department Large Diameter Bearing Department R&D Department SAP-ERP Department Precision Ball Making Department
- 7. Departmental Hierarchy Administration Manufacturing Divisions Ball Bearing Taper Roller Bearing Railway Bearing Large Diameter Bearing Human Resource R & D Purchase Department Metallurgy Department Sales and Marketing Maintenance Ball Bearing Taper Roller Bearing Railway Bearing Large Diameter Bearing
- 8. Taper Roller Bearing Department • This plant with the most modern equipment was set up in the year 1968. • Manufactured at an ultra-modern plant, with technology obtained from our earlier collaborators, Federal Mogul Corporation, USA and now with NTN Corporation, JAPAN, these bearings are used by all major automobiles, truck and tractor manufacturers in the country as original equipment. • The above bearings are manufacture in inch & metric series form 15.857mm bore to 95.25mm bore. • For TRB NEI has Automatic Grinding Lines with in-process & post process gauges. Complete automation by Flex link conveyor. Crowning provision on Inner (Cone) & Outer (Cup). • Complete Automatic Line for Roll Grinding, Super finishing, Inspection and Sorting imported from NTN, Japan automatic checking & prevention of inverted roller & roller missing. Automatic checking of stand height, noise and run outs. • Presently under modernization and expansion plan the new latest state of the art technology lines are installed. • The plant is spread over a cover area of 11,652 sq. mtr.
- 9. Flow of Material in “nbc” Material From Outside Vendor Store House Laboratory Material Send to Departments Hardening Rough Grinding Finish Grinding Inspection Assembly To Store House
- 11. Grinding Process For Cup O.D. Grinding Face Grinding Track Grinding Track Honning To Assembly
- 12. Cone Face Grinding ConeTrack Grinding Cone Flange Grinding Cone Bore Grinding ConeTrack and Flange Honning To Assembly Grinding Process For Cone
- 13. Grinding Process for Roller Roller End Grinding Roller O.D. Grinding Roller O.D. Honning To Assembly
- 14. Assembly Cone is received Washing Dimensions Testing Laser Marking Rough Assembly Press ( Application of Load) Weight Checking Demag Process PostWashing Noise and Vibration Testing Oiling Material Forward For Packing
- 15. Maintenance Work in “nbc” Maintenance Scheduled Maintenance Breakdown Maintenance
- 17. Breakdown Maintenance Operator Informs about Fault Maintenance EngineerVisit Machine Planning of Required Inventory Repairing of Maintenance Done Recording of Data In Maintenance Report Amending further changes in Maintenance Statergies
- 18. ThankYou
Editor's Notes
- Pre-Set Hub assemblies for Heavy commercial vehicle applications. Preset hubs utilize pre-adjusted bearings to facilitate proper installation, extend seal and bearing life and ease maintenance. Almost 90% of the heavy trucks in North America use the preset hub technology. One of the critical areas related to automobiles today is the conservation of natural resources. In a vehicle, only about 12.6 % of energy is used for moving the vehicle whereas 62% is lost to engine friction, engine-pumping losses and to waste heat, 17% is lost in idling, 2% lost in accessories operation and 5.6% lost in the drive train due to friction and slippage. By understanding the various torque contributors to the bearing such as grease, seal and internal bearing geometry, NBC has developed the low torque bearing technology. The low torque grease has been developed by various fundamentals on tribo-meter along with design of low torque seal and optimization of internal geometry to improve fuel efficiency. Low torque bearings reduce friction by 15-20% and improve fuel efficiency. NBC has engineered fuel efficient bearing for transmission and wheel bearing application of two wheeler segments. These bearings have also been developed for other automotive segments (cars, trucks, tractors, etc.)