2020年9月20日星期日

輪胎呔紋 - 點樣睇 Tyre tread patterns - How to look at it

(English version at the bottom)


好奇或者唔知到底自己用緊個條呔係啲咩呔紋?

 (暫時)  現時只有三款既輪胎胎紋

單向紋,  雙向紋不對稱紋

     單向紋 既紋向會指向(前方)一方. 輪胎的側壁會有指呔紋的方向. 安裝輪胎於呔鈴時的方向就會取決於輪胎應該安裝在汽車的左邊還是右邊. 

係香港有單向紋的呔款既例子:

Dunlop DZ102

                                   Yokohama V701                               Sailun Z4


係咁多款輪胎當中, 單向紋既輪胎較為少. 幾乎可以一隻手就都數得晒. (除左賽車或熱溶輪胎如 Yokohama AD08R, Sailun R01 Sport, Dunlop ZIII 等等, 通常都會係單向紋.) 理論上單向紋既輪胎係濕地上較為出色.


    雙向紋輪胎 可以無需理會任何方向, 任意安裝在任何位置的汽車上. 

係香港有雙向紋的呔款既例子:

                                                 Dunlop LM704                        Kenda KR30

 

以及大部分既商用貨車輪胎如 Michelin Agilis, Kumho PorTran KC53 都係雙向紋.

理論上雙向紋輪胎會較為耐用. 但係同單向紋輪胎一樣, 係香港都係得好少款先有.


    最後不對稱輪胎胎紋 係(暫時)佔全世界最多款既呔紋款式.

不對稱胎紋, 顧名思義就係兩邊既紋都係唔同. 會係兩邊既呔壁上分別列明 OUTSIDE 及 INSIDE.

OUTSIDE 指安裝輪胎在呔鈴時, 該位置需要對外. 


係香港有不對稱輪胎胎紋的呔款既例子:

                                            Falken FK510                      Michelin Pilot Sport 4


Yokohama 如 AE50, AE51, AE61

                                               Yokohama AE51                 Sailun ZSR 

Kumho PS91 等等.

當時設計師想將單向紋及雙向紋的特性加埋一齊, 所以就出現了不對稱呔紋, 都係大部分人現時買得最多既款.


不對稱呔紋都可以安裝於汽車任何位置 (前後左右) ........... 定好似係?

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Curious, or even wonder the tyre that you purchase has what sort of pattern?

There are three types of tyre pattern in general:

Directional, Asymmetric and Symmetric

     Directional tyre has a tread pattern that points towards (to the front) one direction. Instead of indicating whether the tire should install on the left side or the right side of the vehicle, it has an arrow sign imprinted on the tire sidewall indicating the direction of the tire pattern.

Example of directional tyres available in Hong Kong include

Dunlop DZ102

                                   Yokohama V701                               Sailun Z4


With a myriad of models available, you can count how many directional tire just with a single hand. (Except racing performance tyre such as Yokohama AD08R, Sailun R01 Sport, Dunlop ZIII which are normally directional tyre pattern). Theoretically speaking, directional tyres got a upper hand in wet performance.


    Symmetric tyre tread pattern allows users to mount without concerning mounting directions. It can be installed on whichever side of the vehicle. 

Example of symmetric tyre available in Hong Kong

                                                 Dunlop LM704                        Kenda KR30

 


Most of the commercial tyres such as Michelin Agilis, Kumho PorTran KC53

Theoretically speaking, symmetric tires are more longer lasting. Just like directional tires, there are only a few symmetric tyres model available in HK.


    Lastly, Asymmetric tyres models takes up the major share in the automotive world (at this moment). 

The tread pattern of the tire on one side is different from that on the other side, which is defined as OUTSIDE and INSIDE, indicated at the sidewall.

The word OUTSIDE implies that the mounting of the tyre at that side should face out. 


Example of the assymetric tyres available in Hong Kong

                                            Falken FK510                      Michelin Pilot Sport 4


Yokohama AE category such as AE50, AE51, AE61

                                               Yokohama AE51                 Sailun ZSR 

Kumho PS91, etc etc etc


The designers wanted to combine directional tyres and symmetric tyres strength, resulting in asymmetric tyres that most people are purchasing now.


These asymmetric tyres can be installed at any side of the vehicle ............... Or is it?