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01Overview of alloy wheel

Advantages of ALLOY WHEEL

  • Outstanding comfort in riding due to high impact absorption capability

    • Since alloy wheel is made with alloy that includes aluminum, magnesium, etc., it has about 2-fold better impact absorption ability in comparison to ordinary steel wheel, thereby improving the comfort of ride by alleviating the impact from the road surfaces
  • Improvement of braking performance and safety in accordance with outstanding thermal conductivity

    • Alloy wheel has thermal conductivity that is 3 times higher than the steel wheel and is able to absorb and irradiate out heat generated from braking much better, thereby improving the braking performances, extension of lifespan of brake lining and safety of tire
  • Enhancement of driving stability due to outstanding precision

    • Alloy wheel has high accuracy of balance due to precision processing, thereby markedly reducing the shaking or vibration of the handle while driving automobile and enhancing the stability of handling of the automobiles. Moreover, since there is almost no deformation, the accuracy of the balance is maintained for longer period of time. The level of precision of the Rim configuration is high and no leakage of air, therefore, improves the driving stability.
  • Reduction in energy consumption and improvement of acceleration due to reduction in weight

    • Alloy wheel exerts the weight load on the spring by about 30% due to its reduced weight, thereby improving the fuel consumption rate and acceleration ability of the vehicle.

Origin and history of wheels

  • Wooden Wheel
    (1400~ early 1900’s)

    Since the invention of wheels, it was the general form used in the initial era of automobiles. Although solid rubber was put on top of the circumference of the wooden wheel due to the alignment of the era of commercialization of rubber, it results in the wheel segregating the tire.

  • Wire spoked wheel
    (1880’s~ )

    Applied to the first gasoline automobile manufactured by Carl Benz in 1886 Although it was lighter than the wooden wheel, it either got bent or broken as the speed of the automobile gradually increased. Accordingly, it underwent various changes including the increase in the number of spokes and crisscrossing of the spokes to cope with the increased load exerted.

  • Disc wheel
    (1935~ )

    It was first employed by the Locomobile, a manufacturer of steam powered automobile in 1917 and was spread throughout Europe in the 1920’s. It was used widely from about 1935 and is continually used in buses, trucks and passenger vehicles, etc.

  • Aluminum wheel
    (1950~ )

    Bugatti, renowned for manufacturing of beautiful automobiles, generated sensation by using aluminum wheel on the ‘Racing Automobile 35’ type racer for competition for the first time in 1924. Since then, it became widely used in accordance with the advancement of alloy technologies since the 1950’s and is being used in most of the passenger vehicles nowadays.

Categories Alloy wheel Steel Wheel
Impact resistance A+ B
Fatigue resistance A+ B
Light weight A- C
Precision A+ C
Ease of design A+ C
Ease of design A+ C
Adhesive power when using tubeless tire A+ C

* Note) A (Outstanding), B (Good), C (Average)

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