Installed tire summary

Our previous article has detailed the tire maintenance. Recently, Xiao Bian has learned some of the neglected tire knowledge and I would like to share with you.
The tire production date will be discriminated as well as security:
Tires are rubber products, so rubber aging also occurs. The shelf life of tire rubber is generally 4-5 years. Tire rubber accelerates aging after the shelf life, resulting in reduced tire performance.
As shown above, "9MCR0810" is the tire production date code. Among them, the last four “0810” indicate that the tire was produced on the “8th” week of “10”.
Looking at the tire production date does not mean that the tire you bought must be new. Some unscrupulous traders modified the production date marks on the tires through special molds, and used the expired tires as sales of new tires to earn high price difference. In general, an unscrupulous trader tampers with the production date of a tire by polishing or removing the original date of manufacture on the tire, and then affixing a new logo. As a result, the production date marks of these “retrofitting tires” and the tires are not integral, and seams or irregularities are generally found at the edges of the logos. When consumers purchase tires, they should pay attention to whether there is joints or unevenness on the edge of the marking date of the tire production date, and avoid buying inferior “retrofitting tires”.
Pay attention to the inner and outer directions when installing the tire:
The inner and outer tires of the tire will greatly reduce the drainage performance and grip performance of tires with single guide or asymmetric tread. If you find that the tire has a reversed inner and outer mounting, please re-install the tire at the repair shop immediately.
The outside of the tire is generally printed with the word "OUTSIDE", the date of manufacture, or the "DOT" mark. One of these three kinds of logos can determine the outside of the tire.
The lightest mark on the tire's sidewall:
Tire as a composite rubber body, its mass distribution is difficult to achieve absolute uniformity. Therefore, some manufacturers will mark the lightest point of the tire on the tire's sidewall. The wheel is mainly composed of three parts: hub, tire, and valve. The position of the valve installed on the wheel hub is of the highest quality, so the tire should be installed with the lightest point marking corresponding to the installation of the valve, which will play a complementary role and make the overall tire mass distribution tend to balance.
The maximum vibration point mark on the tire's sidewall:
The maximum vibration point marking of the tire identifies the maximum point of longitudinal rigidity of the tire. During the rotation of the tire, the point of maximum vibration is at the position marked by the maximum vibration point. When the tire rotates on the ground for one week, the vibration force it experiences at each angle is not equal. This phenomenon is called RFV (Radial Force Variation). When the RFV is too large, the tire will produce vibration that can be perceived by the driver, affecting the driving comfort of the vehicle. Generally, a large-scale tire manufacturer will mark the position of the tire on the tire during product inspection. If the vibration value of the tire product is found to be excessive, it will be treated as a waste product. The maximum vibration point mark for the tire is of little significance to consumers, so you will not see this mark on all products in the market. However, the RFV parameter is an important standard for the homogeneity of the tire material. Testing the RFV is a quality inspection process that must be performed by the tire company during production.

Dairy Water Chiller

Compact chiller cooling capacity: 10kW-82kW

Characteristics: 

1. Pre-cooling

Selecting the right pre-cooling system for your farm is an important decision. There are many factors to take into consideration before deciding what type of system will suit your farm best. Cow numbers, bail number, water temperature, milk pump flow rates, power availability and primary cooling design are just some of the things that need to be considered before a solution can be proposed.

2. Chilled water system

Chilled water system chills a large volume of water to 4ËšC-10ËšC outside of milking time. It circulates the water during milking through the second stage of your plate cooler reducing milk temperature to 6ËšC-10ËšC before entering the milk vat. This dairy Water Chiller is smaller than a glycol unit but needs to run over a longer period of time each day. Chilled water system are the most common pre-cooling option.

3. Glycol system

Glycol pre-cooling system chills approved food grade glycol/water mix to around 2℃ in a 1,000L tank. The glycol water chiller continually chills glycol during milking and stores it in the storage tank this glycol then gets circulated through the second stage of your plate cooler snap chilling your milk so it enters the vat between 4℃-7℃

4. Chilled water system

• Ability to snap chill milk to 6℃-10℃ within 3 minutes of leaving the cow.

• Built in heat recovery producing hot water up to 60℃ at 3 liters per minute.

• Independent from your vat refrigeration system giving you peace of mind.

• It can use off peak power outside milking time to chill the water. 

Dairy Water ChillerDairy Chiller

Dairy Water Chiller

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Jinan Amrta Air Conditioning Co.,Ltd , http://www.amrtaac.com