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An introduction to SG TYRE Technology

SG TYRE. An introduction to SG TYRE Technology. SG TYRE. 1. 2. 3. TYRE Structure Introduction. TYRE Sidewall Description. TYRE Production Process. 4. TYRE Pattern and Characteristics. OUTLINE. SG TYRE. Tyre Structure Introduction. SG TYRE. Tyre components. SG TYRE. Tire Structure.

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An introduction to SG TYRE Technology

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  1. SG TYRE An introduction to SG TYRE Technology

  2. SG TYRE 1 2 3 TYRE Structure Introduction TYRE Sidewall Description TYRE Production Process 4 TYRE Pattern and Characteristics OUTLINE

  3. SG TYRE Tyre Structure Introduction

  4. SG TYRE Tyre components

  5. SG TYRE Tire Structure

  6. SG TYRE Tread─ For excellent road handling and water drainage. Because the tire tread connects with road directly, wear resistance, heat generation resistance, and Puncture resistance are important necessary elements in pattern design. Moreover, tread compound should be flexible and resistant to age.

  7. SG TYRE Inner Liner ─ Makes tire airtight and prevents air from leaking. The Inner lining of rubber located inside the carcass rubber prevents air leaking from the tire. A Tire sidewall mark as” STEEL BELTED TUBELESS” means it's not necessary to use a tube.

  8. The tire carcass is a framework to support and fix the tires shape after its been inflated. SG TYRE Carcass (Textile cord plies) ─Keep tire in fixed shape.

  9. SG TYRE Steel Belt- Keep tire stability and handling performance The Steel belt maintains high shear stress, it also transits from hard tire tread to soft sidewall. Tire steel cord must be high strength and resistant to fatigue.

  10. A Radial tire sidewall bending deformation is larger than the Bias tire , therefore it needs bending resistance compound for tire sidewall. SG TYRE Sidewall─ Provent damage to tire lateral side.

  11. A harder bead filler made from rubber is normally used to enhance the tire sidewall to ensure radial tire steel layer is kept intact. SG TYRE Bead Filler ─ For tire steady ability, handling performance, and comfort level.

  12. SG TYRE Nylon Full Cover (Jointless plies)─ Protect tire structure in high speed condition. A Traditional Nylon cover coated method is used to enclose an entire layer of tire after the engagement.

  13. SG TYRE Tire Sidewall Description

  14. SG TYRE 3.Tire Sidewall Description

  15. SG TYRE 3.1Tire Size Designation PCR: 305/35R24 112V LTR: 31X10.5R15LT 109S 7.50R16 122/120L LT215/75R15 100/97H

  16. SG TYRE 3.1Tire Size Designation (PCR) 305 / 35R24112V Speed Symbol Load Index Nominal Rim Diameter (in.) Radial Tire Identification Nominal Aspect Ratio Nominal Section Width (m/m)

  17. SG TYRE 3.1Tire Size Designation (LTR) 31 X 10.5R15LT109S Speed Symbol Load Index Tire Function Nominal Rim Diameter (in.) Radial Tire Identification Nominal Section Width (in.) Nominal Overall Diameter (in.)

  18. SG TYRE 3.1Tire Size Designation (LTR) 7.50R16122/120L Speed Symbol Load Index (Single/Dual) Nominal Rim Diameter (in.) Radial Tire Identification Nominal Section Width (in.)

  19. SG TYRE 3.1Tire Size Designation (LTR) LT215 / 75R15100/97S Speed Symbol Load Index (Single/Dual) Nominal Rim Diameter (in.) Radial Tire Identification Nominal Aspect Ratio Nominal Section Width (m/m) Tire Function

  20. SG TYRE 3.1Tire Size Designation-Tire Dimension

  21. SG TYRE High aspect ratio tire provide comfort, where as a Low aspect ratio tire leans towards the more sport related performance tire. Low Aspect Ratio(%) High Aspect Ratio(%) SPORT ~55 Series 60 Series 65 Series 70 Series 80 Series COMFORT

  22. SG TYRE Tire Inch Up Characteristics: 1.Enhance the handling stability 2.Enhance Cornering Performance 3.Less comfortable when driving 4.More road noise Outer Diameter Rim Diameter Inch Up

  23. SG TYRE 3.1Tire Size Designation-Speed & Load Index

  24. SG TYRE 3.2 UTQG Uniform Tire Quality Grade, UTQG, by the U.S. National Highway Traffic Safety Administration, NHTSA regulated. It is comprised by Treadwear, Traction, and Temperature. UTQG is required by law for most passenger car tire (PCR), but it is not required for LIGHT TRUCK TIRES, WINTER TIRES, TEMPORARY SPARE TIRES, TRALIER TIRES, AND TIRES UNDER 12”

  25. SG TYRE 3.2 UTQG TREADWEAR Treadwear means tread lifespan compared to standard tires index 100. Tread wear grades typically range from 60 to 500, each increment of 20 units. In fact tire wear conditions caused from road quality, driving attitude, tire inflation pressure, and vehicle condition. TRACTION Traction test only on specific wet concrete road or asphalt road in a straight line moving forward. Grades range from AA, A, B to C. AA is the best performance. TEMPERATURE TEMERATURE grades range from A, B to C. It represents that tire under the indoor high speed testing conditions, tires properly maintain the cooling capacity until damage.

  26. SG TYRE 3.3 DOT DOT Code means tires comply with U.S. Department of Transportation (DOT) safety standards. The first two letters represent tire manufacturer and factory code. The 3rd and 4th letters mean tire size. The 5th, 6th, 7th, and 8th letters represent tire specific function (SPEC). The 9th and 10th of the letter marked the week of tires production. The last number indicates the year of tires production.

  27. SG TYRE Tire Production Process

  28. SG TYRE 1ST 2ND 3RD 4TH BUILDING And CURING MATERIAL PREPARATION INSPECTION MIXING Production Flow Chart

  29. SG TYRE

  30. SG TYRE

  31. SG TYRE

  32. SG TYRE

  33. SG TYRE Tire Building Procedure 1.Building Process305/35R24 112V N-990→Inner Liner Extruding→Carcass Cutting→Jointless Bead Building→Combine bead with Carcass→Auto Steel Belt Cutting System→Jointless Cover System→Tread Extruding and Cutting →1st and 2nd Steps combination2.Curing Process3.DB and UF Inspection4.Indoor High Speed and Durability Test

  34. SG TYRE Tire Testing 1.Safety Test2.Off-Road Test3.Rolling Resistance Test4.Noise Test5.Cornering Test6.Braking Test

  35. SG TYRE Tire Pattern and Characteristics

  36. SG TYRE These are major factors for tire pattern design. 1.Excellent grip traction on wet/dry roads. 2.Handling performance. 3.Drainage ability. 4.Avoid irregular tread wear. And……….. 5.A Charming Tire.

  37. SG TYRE Tire Basic Design Theory Rib Pattern: 1.Reduce tire rolling resistance. 2.The rib pattern tire used to adopt as comfort ability tire. Lug Pattern: 1.Offer excellent handling and braking ability for off road. Rib-Lug Pattern: 1.Center Rib: Handling, Stability and Skid proof ability. 2.Shoulder Lug: Handling and Braking ability. Block Pattern: 1.Offer excellent handling and braking ability. 2.Keep stability at snow and mud road

  38. SG TYRE Tire Category and Characteristic 1.Directional Symmetric Tire─NS-2 2. Non-directional Symmetric Tire─XR-611 3. Non-directional AsymmetricTire─AS-1

  39. SG TYRE 1.Directional Symmetric Tire─NS-2 FL FR Advantage 1.Excellent handling 2.Grip traction 3.Drainage ability Disadvantage 1.Tire pattern cause noisy. 2. Recognize tire direction when mounting/ switching.

  40. SG TYRE 2.Non-directional Symmetric Tire─XR-611 Advantage 1.Low noise. 2.No need to recognize the direction of tire when mounting/switching. Disadvantage 1.Tire handling 2.Traction 3.Drainage ability

  41. SG TYRE 3. Non-directional Asymmetric Tire─AS-1 Advantage 1. Outside pattern: Advanced handling, traction and drainage ability. 2. Inside pattern: Low noise, comfort ability. Disadvantage 1. Recognized the inside/outside part when mounting or switch tires.

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