Are you having difficulties reading the DOT number of your tires? Do you want to know how to read tire date codes? If you have lost the receipt of your purchase, you might be having difficulties knowing the exact age of your tires. This issue is common and you can find the solution from your tires. Just observe your tires, you will get the answer.
*Picture Copyright: UTires.com
How to Read Tire Date Codes?Whether you are financing your tires or purchasing them, it is important to understand how to read tire date codes. The numbers are present on tires only. You just need to know how to get them. You might have difficulties while reading codes on old tires. Keep reading to know how old your tire is.
Ways to Get Your Tires DOT NumberLook at all the sides of the tires. There are a bunch of numbers and letters. It might seem like a jumble. But this is helpful information about the tire. Find the number that starts with DOT and followed by ten to twelve series. This code will reveal a lot of things about your tires. You will know the tire size, year, and place of the manufacturing with the unique code of the manufacturer. You can also rent a wheel payments to know more about tires. Once you rent a tire payments, you will not have to be bothered about the manufacturing year. They will take care of this. You just need to look for a rent a wheel return policy to make it more beneficial for you.
Remember that the last four digits of the code are the date the tire was manufactured. You can check the first two digits of the DOT code to know the week of the manufacturing. The last two digits will reveal the manufacturing year. For instance, when it was written in 0203, the manufacturing year was 2003.
But it is a bit tricky to know the manufacturing year of tires manufactured before 2000.
You need to check the last three digits of the DOT code. Check the first two digits to know the week. For instance, when the last three digits read 022, you should understand that the tire was manufactured in the 2nd week of that year. You might be thinking about how to know the year. The year is the 2nd year of that decade. It is easy to get confused to know the decade. It might be harder to know the exact decade. There might be some other indications to know the year.
*Image Copyright from kilgoretirecenter.com
What About the Incomplete DOT NumbersIncomplete DOT numbers mean the current DOT regulations demand the complete number to be written on one sidewall only. When you find a few digits on the opposite sidewall, you can check the other sidewall to find the complete DOT number.
Reading DOT Tire NumbersNow you know how to read tire date codes.
You can simply check at the sidewalls of tires to avoid any further confusion. Also, never lose your purchase receipt. If you do so, you might not get the warranty benefits. So, keep the receipts in a safe place and avoid any confusion by checking the DOT code. Whether you are interested in learning about wheel alignment or more about DOT numbers, our professionals here at Dan the Tire Man can answer your inquiries.
Tire purchasing may become a challenge, taking into account markings and symbols of car tires.
Knowledge about size and rim dimensions could not be enough if you need to choose between a radial, diagonal, or directional tire option. How to read tire codes? What do the symbols mean? We present a guide that will take all questions about the parameters of car tires.
The first group of markings that you should learn about is the symbols for the tire size. Often they are written in a sequence of consecutive characters, f.eg. 205/55 R16, where:
Information about tire sizes is available not only on the tires, but also on the driver’s seat pillar, in the car’s manual, and sometimes on the fuel filler flap.
Another important parameter of the tire is the speed rating, denoted by the letters T, H, V, W, or Y.
It tells the driver the speed at which the car can be safely driven when it is fully loaded. For example speed index 91T means maximum safe speed 190 km / h, and 91V – 240 km / h. It is worth adding that the speed index is strongly related to the load index.
The load index is marked by the abbreviation LI. It describes the allowable load for a given tire when driving at its maximum speed. The manufacturer always specifies the maximum load allowed by him and therefore it should not be exceeded. When we multiply the load capacity of the tire by the number of wheels in the vehicle, we get the total weight of the vehicle together with the permissible load. For example, a tire load index of 95 means that the load on that tire must not exceed 690 kg.
You should pay attention to the tire load index, especially, when you plan to transport a large and heavy load. If the load exceeds the value specified by the manufacturers, there is a high risk of damage or tire destruction.
Car tires may also have markings relating to the direction and side of their fitting. This rule mainly applies to directional tires, which must be installed following the manufacturer’s instructions. How to read tire fitting markings?
The last two parameters of tires (INSIDE and OUTSIDE) relate to asymmetric tires.
When analyzing the most important markings of car tires, it is impossible to omit the DOT symbol, which indicates the date of tire production.
Immediately after the DOT symbol, there are characters coding: the location of the factory producing the tire, the size code, and the week (month) and year of production. For example, a tire with the DOT 3Y 1520 marking means that it was produced at the Bridgestone factory in Poznań on week 15 of 2020.
In Poland, the PNC 94300.7 standard is in force, according to which tires can be freely marketed up to 36 months from the date of production. It is worth checking the date of manufacture of tires carefully before purchasing them. This applies both: to the purchase of new and used tires. However, it is difficult to define the maximum limit of safe use. It depends on many factors, such as the type of tire, weather conditions, driving style, or the method of storage and maintenance. However, regardless of the above aspects, it is worth checking the condition of the tires regularly, bearing in mind that old, badly worn tires can pose a serious hazard on the road.
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VISKONT.Tires - a machine vision system designed to account for tire products when moving at enterprises and warehouses.
Functionality of the system
How the system works
Acceptance begins with the selection of the required lot in the VISKONT software.
At the same time, information on the batch is loaded: the batch number and a list of all Datamatrix codes contained in the batch, indicating the manufacturer and size (width, profile, bore diameter) that each Datamatrix code must correspond to.
Tires with a label glued to the surface of the tire move along the conveyor. If the Datamatrix code is successfully recognized, the batch's Datamatrix code is matched and checked for duplicates. On the image of the upper side of the tire, the marking is recognized.
Results of reading the Datamatrix code and marking (code read/not read, marking read/not read or read partially) and their checks (code matches/does not match the batch, code matches/does not match the marking, various Datamatrix codes, Datamatrix read - code read again) are saved in the system with a time stamp of reading.
In the event of a non-read/partial read and/or test failure, a control signal is issued to signal the light and stop the conveyor. The operator takes the tire from the rejection area for inspection and further claim work.
After completion of acceptance, information about the results of reading and checking codes is transferred to the information system of the enterprise.
Operating conditions of the system
The system configuration for a specific object is developed based on the physical dimensions of the conveyor, tires and Datamatrix codes on the tires.
