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![]() Mr. J.R. Singal, M.D. - Eastman Industries
Limited receiving National Export Award from the then Honourable
Prime Minister of India -- Mr.Atal Bihari Vajpayee Quality Certifications
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| S. No | Steps | Application | Control Parameter | Output |
| A | Raw Material | Storage, Identification, 5-S | FIFO, Age limit | Ready to use for mixing |
| 1 | Banbury | Mixing of all Raw materials | Weighing Time Temp, Cooling | Compound |
| 2 | Lab | 1) Raw material testing 2) compound testing 3) fabric testing |
Rheo, SpGr, Viscosity Meter, Md, Tb, Elong, Hardness, VD | Compound as per reqmt |
| 3 | Extruder | Provides required shape to rubber 1) Hot Feed - old high production low quality 2) Cold Feed - new low production hi quality (Type: Duplex, Triplex) |
Profile, Weight, Length & O-All Width | Tread, side wall Apex |
| 4 | Calendaring | To apply rubber on fabric 1). Most common is Z Type four roll calendar 2) Old was three roll calendar |
Gauge, Gum distribution, Unit Weight EPI (End Per Inch) | Coated fabric, steel belt inner liner |
| 5 | Cutting | Cut the coated fabric in required length, width & angle | Cut angel, Gauge, O-All | Plies |
| 6 a | Belt Building | Rubber is coated on steel wire | Angle, Width, Gum Distribution, Temperature/ Moisture Control system | Belt or Breaker |
| 6 b | Bead Building | Rubber is coated on steel wire | Diameter, Weight, Gum coating Wire Condition | Coated Bead |
| 7 | Tyre Building | All the components prepared in different area are assembled here | Centering, tacking, Steacher Pressure | Green Tyre |
| 8 | Curing | Green tyre is put in to the curing press under certain temperature, pressure for some time to cure the rubber. (Truck/Otra/Agriculture: 20/ day & for other 10-15 minute curing time). | Temp, Pressure, Time, Steps, Cure chart, PCI | Finished tire |
| 9 | Inspection | Visual & feeling wise & by machines inspection is done to find out defects in tyre | X-ray, Ultrasonic | Assured quality |
| 10 | Tyre testing | To check performance / life of tyre | Endurance test, Plunger Testing, Abrasion Testing, Uniformity, dimensions cut tyre analysis | Assured quality |
| 11 | Other Point Temp @ all stage Certification Tyre Life | 100-120°C Dot, ECE, Inmetro, Soncap, CCC, SASO Generally . Bias: 20000-30000 KM |
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