Detailed project report on tubeless valves for cars and trucks

TUBELESS VALVES FOR CARS AND TRUCKS
[CODE NO.3902]

The tyre of a truck or a car contains much of air under pressure supporting the vehicle load. The tyre valve is known to permit much air under pressure into the type chamber when it is required. This air is then released for adjustment of pressure or when the removal of tyre is needful. High pressure is easily accepted by the valve stem air-line adaptor or a pressure testing gauge.

It is important to understand the operations of the tubeless valve operations. The valve assembly is known to have a core pin which is tightly fixed to the valve seat. The pin is known to pass through an internally parallel sleeve and outside of the sleeve is attached to a tapered seal. When the core assembly is screwed into the core housing, the tapered seal is known to prevent any kind of leakage between the valve sleeve and the core housing. It is to be noted that the return spring normally holds the valve in the closed position, so that the compressed air is pumped into the tyre and is trapped well.

For appropriate inflation of the tyre, it is to be noted well that a compressed air supply pipeline is attached well to the valve adaptor which is fitted over the valve stem so that the core pin is pushed down significantly. Furthermore, air from the higher pressure supply is then forced through the valve annular core space into the tyre. The adaptor is then removed when the desired pressure is reached and this, then releases the core pin so that the valve is closed appropriately. When the pressure of the tyre is high, the core pin is depressed slightly to release the excess of air from the tyre. Furthermore, the outer cap thereby keeps the valve out of grit and is known to act as a secondary seal for the valve assembly.

The car tubeless tyre is said to incorporate snap in valve which is a kind of rubber moulding bonded to the metal stem casing. It is important to have the settings in such as way that when the valve is pulled through the valve hole in the wheel rim, the pliable rubber base snaps into the right position. Accordingly, the groove is formed at the large diameter base of the rubber moulding. The tubeless tyre valve of commercial vehicles is all metal. The stem is attached to the heel rim by an extended thread formed at the base and secured by a nut. The valve stems are known to have single, double or triple bond to suitably accommodate different rim profiles as well as wheel combinations.

Studies in the past indicate that most people often tend to miss out some small details while doing regular inspection of their car. One of the most neglected parts of a car or a truck is its valve stem. If we think carefully, it should be noted well that the valve stem is the part that holds air in the tyres and helps in adjusting of the air pressure. If the valve stem does not work properly, the tyre will start losing the air and might go flat or too hot. Thus, it needs to be understood well as to choose the most appropriate tubeless valve system for cars / trucks.

COST ESTIMATION

Plant Capacity                    TUBELESS VALVES FOR CARS AND TRUCKS
Land & Building (1000 sq.mt.)   Nil
Plant & Machinery               Rs.1.04 Cr
Working Capital for 2 Months    Rs.2.58 Cr
Total Capital Investment        Rs.3.77 Cr
Rate of Return                    46%
Break Even Point            48%

INTRODUCTION
VALVES
(TUBELESS RUBBER “SNAP-IN” TYPE)
METAL OR ALLOY “CLAMP-IN” VALVES:
THE VALVES MAINLY CONSIST OF THREE PARTS:
TUBELESS RUBBER “SNAP-IN VALVES”
TUBELESS SNAP-IN VALVES FOR HIGH PRESSURE
HIGH-PRESSURE METAL CLAMP-IN VALVES
VALVE CORES
VALVE CAPS
TECHNICAL SPECIFICATIONS
FORGING BRASS RODS"
COLD FORGING BENEFITS
TECHNICAL SPECIFICATIONS:
USES AND APPLICATION
B.I.S. SPECIFICATION
PROCESS FLOW CHART
MANUFACTURING PROCESS OF VALVE CAP
MANUFACTURING PROCESS
FACING LATHE OPERATION
FACE MILLING OPERATION
SINGLE-POINT THREADING
QUALITY CONTROL
1 REFERENCE
2 TERMS AND DEFINITIONS
3 TEST SET-UP
4 TEST METHODS AND PERFORMANCE REQUIREMENTS
BUREAU OF INDIAN STANDARDS
COPYRIGHT
REVIEW OF INDIAN STANDARDS
PLANT AND MACHINERY
MINI CNC LATHE MACHINE:
MACHINE BED
MAIN SPINDLE
SUB-SPINDLE/ SECOND SPINDLE
CHUCK
GUIDE WAY
HEADSTOCK
TAILSTOCK
TOOL TURRET
SOME OF THE OPTIONS AVAILABLE INCLUDE:
CNC MILLING MACHINE:
MULTI SPINDLE DRILLING MACHINE
A GRINDING MACHINE CONSISTS OF THE FOLLOWING PARTS:
BASE OR BED:
TABLE:
HEAD STOCK:
TAILSTOCK:
WHEEL HEAD:
CROSSFEED:
INJECTION MOULDING MACHINE:
NUT MAKING MACHINE:
MARKET POSITION
THE INDIAN TYRE INDUSTRY
GLOBAL SCENARIO
INDIAN SCENARIO
DOMESTIC AND EXPORT MARKETS HOLD HUGE POTENTIAL
TOP 10 TYRE COMPANIES IN INDIA
CURRENT MARKET STATUS OF INDIA’S AUTOMOTIVE INDUSTRY
TYRE TUBE VALVES EXPORT
PEER COMPARISON
INDIAN AUTO ANCILLARIES INDUSTRIES
RECENT TRENDS
GLOBAL SCENARIO
DEMAND DRIVERS
FUTURE OUTLOOK
KEY CONCERNS
PLANT LAYOUT
SUPPLIERS OF VALVE FOR TUBELESS TYRES
SUPPLIERS OF RAW MATERIALS
SUPPLIERS OF BRASS SCRAP
SUPPLIERS OF MILD STEEL ROD
SUPPLIERS OF HDPE GRANUELS
SUPPLIERS OF BUTYL RUBBER SHEET
SUPPLIERS OF PLANT AND MACHINERY
SUPPLIERS OF MINI CNC LATHE MACHINE
SUPPLIERS OF MINI CNC MILLING MACHINE
SUPPLIERS OF MULTI SPINDLE DRILLING MACHINE
SUPPLIERS OF MINI AUTOMATIC LATHE MACHINE
SUPPLIERS OF MINI MILLING MACHINE
SUPPLIERS OF AUTOMATIC NUT MAKING MACHINE
SUPPLIERS OF MINI GRINDING MACHINE
SUPPLIERS OF HAND CUTTER
SUPPLIERS OF PLC BASED RUBBER MOULDING PRESS
SUPPLIERS OF AUTOMATIC ASSEMBLY TIRE TUBELESS VALVE MACHINE
SUPPLIERS OF UNIVERSAL TESTING MACHINE
SUPPLIERS OF HARDNESS TESTING MACHINE
SUPPLIERS OF DG SET

APPENDIX – A:

01.   PLANT ECONOMICS
02.   LAND & BUILDING
03.   PLANT AND MACHINERY
04.   OTHER FIXED ASSESTS
05.   FIXED CAPITAL
06.   RAW MATERIAL
07.   SALARY AND WAGES
08.   UTILITIES AND OVERHEADS
09.   TOTAL WORKING CAPITAL
10.   TOTAL CAPITAL INVESTMENT
11.   COST OF PRODUCTION
12.   TURN OVER/ANNUM
13.   BREAK EVEN POINT
14.   RESOURCES FOR FINANCE
15.   INSTALMENT PAYABLE IN 5 YEARS
16.   DEPRECIATION CHART FOR 5 YEARS
17.   PROFIT ANALYSIS FOR 5 YEARS
18.   PROJECTED BALANCE SHEET FOR (5 YEARS)

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