Industry News- Zhejiang Kunrong Rubber Technology Co., Ltd.

Mar 20,2023

What are the ways to dispose of waste solid tires?

Solid tires are a type of tires corresponding to pneumatic tires (hollow tires). Mining, engineering construction and cargo handling, etc. With the emerging development of my country's industry, industrial vehicles have increased significantly, and waste solid tires have also increased. Waste tires are harmful solid waste, known as "black pollution", which has caused great obstacles to the construction of ecological civilization in our country. Therefore, it is urgent to effectively deal with these waste tires.The existing waste tire treatment methods are:1) Overall regeneration. Tire retreading refers to a technological process in which old tires are partially repaired, processed, and re-applied with tread rubber, and then vulcanized to restore their use value. Waste tires can be used as ship buffers in wharves, as road protection fences or water and soil conservation fences, and as noise-absorbing partitions in buildings. This reuse method will neither cause waste of rubber resources nor cause re-pollution of the environment.2) Manufacture of reclaimed rubber. Reclaimed rubber refers to the rubber that can be re-vulcanized after the waste rubber is crushed, heated, mechanically treated and other physical and chemical processes are made to make its elastic state into a plastic and viscous rubber.3) Production of rubber powder. Rubber powder is used in the rubber industry, directly formed or combined with new rubber to make products; the other is used in modified asphalt pavement, modified asphalt to produce waterproof membranes, and used as a coating layer and protective layer in the construction industry wait. The crushing process for producing rubber powder includes ozone crushing, high-pressure blasting crushing, and low-temperature fine crushing.4) Pyrolysis and incineration. Pyrolysis is the use of external heat to open chemical chains and break down organic matter into valuable chemical products such as fuel gas, aromatic-rich oil, and carbon black. Tires have a high calorific value. Waste tires can be used as fuel in cement kilns and can be used to generate electricity.
View more +
Mar 14,2023

Why do forklifts need solid tires?

It is strongly recommended that some forklifts must be equipped with rubber solid tires. For forklifts, solid tires offer the following four main advantages. Outstanding performance helps improve productivity:Because the solid tire carcass of the internal combustion forklift is made of all rubber, the puncture resistance of the tire can be eliminated to the greatest extent. The hazard of tire blowouts in industrial vehicles during load-bearing operations and in harsh operating environments. The solid tires of internal combustion forklifts have less load deformation and good driving stability. Due to their puncture and tear resistance, they do not need to be inflated, which avoids the drudgery of frequent tire changes and allows for better vehicle utilization. work efficiency. In low-speed, high-efficiency vehicles, the solid tires of internal combustion forklifts can completely replace pneumatic tires. Reasonable structural design ensures better tire performance:The solid tire adopts an advanced three-stage structure design, and three rubber materials ensure the integrity of the tire. The high-rigidity and high-strength base rubber and steel ring support can not only ensure the rigidity of the tire, but also ensure the airtightness of the tire and the rim, fundamentally eliminating the problem of solid tire slip ring.The highly elastic middle rubber can effectively absorb the vibration generated when the vehicle is running, making the driving comfortable and avoiding damage to the vehicle.The thickened tread rubber layer ensures the tire's tear resistance and wear resistance, and improves the service life of the solid tire. Advanced technology and formula design guarantee:Rubber compounds for solid tires for internal combustion forklifts are designed to maximize tire performance. In particular, the base rubber is made of imported high rigidity, low heat generation rubber material. The heat and temperature generated by the tire during operation is minimized, and the heat resistance of the tire is improved. Solve serious problems such as solid tire expansion slip ring and burst caused by temperature rise.The advanced design reduces the tire's rolling resistance. Tested by the National Construction Machinery Quality Supervision and Inspection Center, the rolling resistance coefficient of solid tires is equivalent to that of pneumatic tires, which solves the problem of increased fuel consumption caused by replacing solid tires. Avoid the risk of tire blowouts, loss of control, and promote safe production:When the vehicle is traveling at high speeds, such as when the tire hits potholes and other obstacles, it will cause the tire to form between the obstacle and the rim flange. Severe compression set can cause the carcass cords to break and compressed air to push the inside of the tire up from the dotted line to create a bulge. In more severe cases, it will cause the tire to collapse and rupture, and it will be completely flattened immediately, and the vehicle may lose control. theCompared with pneumatic tires, solid tires have the advantages of high safety, puncture resistance, tear resistance, wear resistance and long life. They are an ideal replacement for pneumatic tires in the industrial vehicle sector. Tires are an important part of forklifts and play a vital role in the safety of forklifts. Therefore, some forklifts must be equipped with solid rubber tires.
View more +
Mar 06,2023

Do solid tire swaps last longer?

The service life of tires is generally 50,000-100,000 km, which is very flexible. So how to use solid tires correctly to make them last longer?Reasonable replacement of tires can prolong lifeMany drivers use the four tire companies and will not replace them after all. In fact, this is not good for the tires. Generally, when the vehicle is running, the front wheels are prone to eccentric wear due to the influence of lateral resistance and braking devices. The rear wheel is more fatigued due to the heavy load, especially when passing the driving wheel. Therefore, changing the tire position in time can make the wear consumption and fatigue average, and promote the service life of the tire. Some experts said that reasonable transposition can extend the service life of tires by 20%.It is better to replace the front and rear crossoversFor general enterprises, there are two different ways to replace and industrially produce tires. One teaching method is to swap the left front tire and the left rear tire, and the right front tire and right rear tire can be swapped; the other way of life It is cross-exchange, that is to say, the left front tire is replaced with the right rear tire, and the right front tire is replaced with the left rear tire. Relatively speaking, the latter research method is better.As for the number of kilometers of work exchange, some different models of "Vehicles Can Use Management Manual" suggest that front-wheel drive vehicles should be transposed every 8,000 kilometers, while four-wheel drive control vehicle information requires us to Change position every 6000 km.Spare tire can also be used as a replacement tireMany drivers tend to only think about the spare tire when their car has a punctured or punctured tire. In fact, if the specifications and structure of the spare tire are the same as the tires that can work normally on the car, a more scientific and reasonable method is to develop and analyze the cross-position of the spare tire together, so that the wear severity of the five tires can be determined. It is very uniform and will not cause waste of spare tires.Forklift solid tire tires should be added with talcum powder in summerIn order to prolong the service life of the tire, there are many conditions that need to be paid attention to. For example, the problem of tire wear intensifies in a hot summer, and it is necessary to pay attention to cooling the tires when driving. However, do not release the air pressure, or use cold water, you can stop in the shade to cool down on the way, try not to keep the car in the sun, and, to remove it regularly, add a certain amount of talcum powder to prevent internal and external tires bonding.
View more +
Mar 03,2023

What are the precautions for trailer solid tire installation?

Trailer solid tires have been used for a long time, or when they are damaged, we need to replace them again. When replacing the solid tires of the trailer, the correct installation method must be adopted. The following five points are the precautions for the installation of the solid tires of the trailer:1. When replacing tires, standard rims should be selected, and it is strictly forbidden to replace deformed or damaged tires.2. Before combining the solid tires of the trailer, the rim and tires must be cleaned first to ensure that there are no debris.3. When assembling, you can use rubber lubricant or soapy water to wipe the bead lip rim flange, but avoid using oily lubricant.4. Pay attention to the fitting situation, and it is forbidden to force the installation when it exceeds the normal range.5. The combination of rims and tires needs to be operated by specialized personnel in the tire industry, please do not combine them by yourself.
View more +
Feb 20,2023

Can the solid tire pattern of forklift be ground and used?

With the rapid development of industry, more and more forklifts have joined the moving army. Industrial materials can range from hundreds of catties to heavy ones. Choosing pneumatic tires is likely to have the risk of blown tires, and repairing tires is time-consuming and laborious. For heavy labor, choosing a solid tire with a full rubber structure will help save a lot of time and cost.After using solid tires for forklift trucks for a long time, you will find that the pattern is worn out, and you will worry about whether the forklift tires can still be used? The following is answered by the solid tire manufacturer.The main function of the tire pattern is to increase the friction between the tread and the road surface to prevent the wheels from slipping, which is exactly the same as the sole pattern. The tire pattern improves the ground contact elasticity of the tread. Under the action of tangential forces (such as driving force, braking force and lateral force) between the tread and the road surface, the pattern blocks can produce large tangential elastic deformation. As the tangential force increases, the tangential deformation increases, and the "friction effect" of the contact surface is also enhanced, thereby inhibiting the tendency of the tread and the road to slip or slip. This largely eliminates the disadvantages of non-patterned (smooth tread) tires that are easy to slip, making the car performance related to the friction performance between the tire and the road surface - power, braking, steering and driving safety. Normal performance has a reliable guarantee. Studies have shown that the factors that generate friction between the tread and the road surface also include the adhesion between the two surfaces, the molecular gravitational force, and the micro-cutting effect of the small-sized asperities on the road surface, etc., but the main effect is still Elastic deformation of tread blocks.The forklift solid tire is composed of three-stage rubber material, high rigidity, high strength base rubber and steel ring support, which not only ensures the stiffness of the tire, but also ensures the fastness between the tire and the rim, and fundamentally eliminates the slippage of the solid tire. The high-elastic intermediate rubber can effectively absorb the vibration generated when the vehicle is running, which has comfortable driving performance and avoids damage to the vehicle; the thickened tread rubber layer ensures the tear resistance of the tire. It improves the service life of solid tires; the crown is the tread pattern part, which is processed from natural rubber and has super wear resistance, toughness and elasticity. It is the main contact part with the ground to ensure the normal and safe operation of the vehicle. , there is an obvious safety line at the transition part between the pattern block and the carcass. Generally, the tire can be replaced when it wears down to the position of 0.1-1CM on the safety line. There are potential safety hazards such as skidding and failure to brake. At the same time, the tire elasticity will be obviously insufficient, resulting in increased body bumps, and damage to the front and rear axle housings will increase maintenance costs.
View more +
Feb 13,2023

What is a reasonable time to change a forklift tire?

1. Tire wear exceeds the wear markThere is a wear mark line on the sidewall marking of the forklift tire. Please replace the tire in time within this mark line during use. When it is used close to the wear mark line, it should be replaced.2. The rubber falls off and falls offDuring the use of the forklift, if the tire rubber falls off or falls off in a large area, please replace the tire in time; continuous use will result in reduced driving comfort, increased operating strength, increased energy consumption, and even potential safety hazards.3. The local wear area is too largeIf the local wear area of the tire rubber is too large, or there are many wear parts, the tire should be replaced.4. Choose suitable tires for different working conditionsThe rear wheel (guide wheel) of the counterbalanced forklift bears a greater load than the front wheel under no-load conditions, because there is a counterweight at the rear of the forklift, so if it works for a long time, the rear wheel will be damaged in advance;That’s why routine inspections of forklift tires are critical, and your storage truck operators should inspect them for wear and damage before each operation, and if problems are detected early, they can “prevent problems before they happen.”Change tires according to specific usageAccording to the degree of tire wear and damage:1. Pneumatic solid tires (ordinary solid tires): When worn to the wear mark line, they should be replaced in time.2. Press-fit tires: When the remaining rubber thickness is less than 30%, it should be replaced in time.3. When the tire is seriously damaged or abnormal, it should be replaced in time.Necessary to replace tires is to keep costs down.Replacing tires requires an investment, but new replacement tires benefit the forklift operator and your plant. There is no doubt that for the forklift, it is to obtain maximum efficiency, which can improve work efficiency and reduce fuel consumption. New tires can also minimize shock. , can create more comfortable driving performance for operators, they can reduce fatigue and concentrate on work. Necessary replacement can actually reduce maintenance costs, and the replaced tires can improve work efficiency.Although it's a necessary expense, there are a few ways to reduce the cost of replacing tires:1. If the use environment permits, you can choose a smooth solid tire without a pattern, which can increase the contact area between the tire and the ground and reduce the wear speed of the rubber.2. For non-special working conditions, choosing high-quality solid tires to replace pneumatic tires can greatly extend the replacement time and avoid a large number of tire maintenance, reduce downtime and improve safety.Now that you know how to prolong the life of your forklift tires, it is recommended that you follow the correct maintenance methods to maximize their performance and help you choose the right type for your forklift, thereby increasing productivity and reducing costs.
View more +
Feb 06,2023

What are the key points of the safe application of forklift solid tires?

Forklift solid tires are solid tire products specially used for forklifts. They have excellent wear resistance, oil resistance, fatigue resistance and vibration resistance, and can play an effective guarantee role. However, in order to better use forklift solid tires, the following safety application points should be paid attention to:1. If the spare tire is different from the current solid tire, it can only be used temporarily, the driving speed should not be too fast, and the standard solid tire should be replaced in time after the work is completed;2. When replacing the solid tires of forklifts, they should be replaced in pairs, and try to use the same pattern;3. Solid tires with a service life of more than six years can only be temporarily used in emergency situations, and the speed should be controlled when driving to drive safely;4. When the forklift starts, the tires turn suddenly from a static state. If the starting speed is too fast, it will cause severe friction with the road surface and accelerate tread wear; when emergency braking occurs, the tires and the road surface will slip and drag, resulting in high temperature and heat on the tread , so it is necessary to master the operation skills.
View more +
Feb 02,2023

Do you know the 2 major reasons for the unstable tire pressure of forklifts?

When the tire pressure of the forklift is unstable, it shows that there are many factors causing it, and it will also bring great harm to the forklift itself. How to effectively solve the stability of the tire pressure of the forklift? First of all, we should know what are the reasons for the unstable air pressure.① Excessive air pressure will seriously wear the center of the forklift tire, which will also affect the service life of the tire, reduce the contact surface with the ground, reduce the adhesion, and affect the braking effect. Rigidity increases, and the vibration of the body becomes larger, which will cause the steering wheel to vibrate and deviate, and will also reduce the driving comfort. At the same time, the vibration will also indirectly affect the life of other components, and it will increase the tension of the tire cord, which is easy to be broken. When driving on an uneven road or encountering an obstacle, it is also prone to explosion due to the impact force fetal condition.②If the air pressure is too low, the contact surface between the forklift tire and the ground will increase, and serious wear will occur on both sides. Body delamination, tumor, easy to cause the occurrence of blowout accidents.Therefore, in order to effectively ensure the normality of forklift tires, in addition to the need to purchase or replace high-quality tires, Huaying checks the air pressure and tread conditions before driving. When driving 10,000km, it is necessary to adjust the front and rear and cross positions of the forklift tires. This can better protect the tires.
View more +
Jan 16,2023

What are the five classifications of solid tires?

The solid tire carcass is made of all-rubber material, which has a long service life and low deformation rate, which can effectively reduce vehicle maintenance costs and ensure the puncture resistance of the tire to the greatest extent. According to the purpose, solid tires can be divided into non-marking environmental protection type, conductive type, optional type, standard type, oil-resistant type and other classifications. Let's take a closer look at them below.1. Non-marking environmental protection tires: suitable for industries such as electronics that require high cleanliness. The color of the carcass is mostly white, gray, green, yellow, etc. During use, no or less tire marks will be left, effectively maintaining the ground tidy.2. Conductive tire: the carcass is black, and it can release static electricity during use, and will not generate sparks due to static electricity, so as to avoid the occurrence of fire.3. Optional tires: mostly used on European cars, such as Linde, Jungheinrich, STILL, OM, etc., also known as quick-install solid tires.4. Standard solid tires: most models can be used.5. Oil-resistant solid tires: suitable for roads that are heavily polluted by oil and other substances.
View more +
Jan 09,2023

What are the five causes of solid tire block?

The main raw material of solid tires is a special rubber material, which is all solid except for a small hollow to maintain the center of gravity during production. At present, solid tires can also be used for fixed-position machinery in addition to high-load vehicles or machinery traveling at low speeds. When many friends use solid tires, they will fall off. What's going on? Below we will take you to understand the five reasons why some solid tires fall off:1. After the solid tire vulcanization time is up, the mold is not opened in time, resulting in over-vulcanization and aging;2. The solid tire rubber is mixed and heated unevenly;3. Poor thermal insulation of the embryo, and insufficient sulfur caused by temperature fluctuations in the vulcanizer;4. The actual use environment is poor, causing the tire to be cut by external force;5. Corroded by chemicals during application.
View more +
Jan 03,2023

What are the self-inspection methods for dark leaks in solid tires?

I believe that we are all familiar with solid tires, and there are many factors that affect the life of tires. Let's mainly understand that the selection and installation of solid tires directly affect their service life!The correct installation of solid tires is directly related to the service life of the tires, especially when replacing new tires. Tires of different types and patterns must not be arbitrarily mixed because the actual size and load capacity of each tire are different. In addition, if you cannot fully grasp the technology of changing tires yourself, we suggest that you still go to a professional tire shop or an authorized vehicle repairer for replacement.1. Keep the front and rear wheels in the correct orientationThe front wheel alignment has a great influence on the service life of the tire, especially the toe-in of the front wheel and the camber of the front wheel are the main factors. The camber of the front wheel will mainly accelerate the wear of the tire shoulder, that is, the eccentric wear; the toe-in of the front wheel will mainly accelerate the wear of the inner and outer sides of the tire.2. Air pressure must be consistentTire air pressure is the life of the tire. If the air pressure is too low, the deformation of the carcass will increase, and cracks will easily appear on the sidewall. At the same time, it will cause excessive heat generation, promote the aging of the rubber, tire the ply, and break the cord. If the air pressure is too low, it will increase the ground contact area of the tire and accelerate the tire shoulder wear; if the air pressure is too high, the tire cord will be deformed due to excessive extension, and the elasticity of the carcass will decrease, which will increase the load on the car during the trek. , In case of impact, internal cracking and blasting will occur. At the same time, if the air pressure is too high, it will accelerate the wear of the tire crown and reduce the rolling resistance.3. Driving habits meet scientific requirementsIn addition to handling the situation while driving, the driver should choose roads to trek to avoid sharp stones, glass, metal, etc. that may puncture and scratch the tires, avoid the adhesion of chemical spilled substances to the tires, and avoid corrosion of the tires; When traveling on a road with a high degree of gravity, try to trudge in the center to avoid and reduce the shift of the center of gravity of the car, and reduce the uneven wear of the tire due to the increase in the load on one side of the tire; reasonable loading is basic common sense, and under normal circumstances, 20% of the tire life is overloaded. The number is reduced by 30%, and the life of the tire is reduced by 50% when it is overloaded by 40%. Other sharp turns, emergency braking, high-speed starting and rapid acceleration will all have an impact on the tires, which are what the driver should avoid while driving.
View more +
Dec 26,2022

What are the differences between pneumatic tires and rubber solid tires?

Tires play an important role in the driving of the scooter, which affects the comfort, safety, power consumption and many other performances of the scooter. At present, the common scooters on the market usually use two types of tires-tubeless tires & solid tires. Which tire is better?Tubeless tire: people usually refer to tubeless tire as "tubeless tire". A self-adhesive layer made of a special mixture of unvulcanized rubber, using the inner wall of the tire and the inner layer of the bead to ensure good air tightness between the tire and the rim, thus replacing the role of the traditional inner tube, the outer tire also plays the role of the inner tube , and after the tire is inflated, the toe is tightly combined with the rim, effectively avoiding deflation.There are many advantages of tubeless tires1. Wear-resistantTubeless tires are wear-resistant and have better dynamic balance performance, and the driving comfort can also be improved, so they are more suitable for long-distance high-speed driving for a long time.2. Good heat dissipationThe tubeless tire has no inner tube and pad belt, which effectively reduces the heat generated by friction between the inner tube of the tire and the inner cavity of the tire. The air inside is in direct contact with the rim, and the heat can also be dissipated directly through the rim, so that the tire temperature will not be too high Phenomenon, prolong tire service life.Solid tire: Rubber solid tire is a kind of tire corresponding to pneumatic tire (hollow tire). Its carcass is solid, without cord as skeleton, without inflation, without inner tube or airtight layer. Solid tires are suitable for vehicles traveling at low speeds.There are many advantages of rubber solid tires1. Safe and secureBecause the solid tire carcass is made of all rubber, the puncture resistance of the tire is guaranteed to the greatest extent. The solid tire has small deformation and good running stability. Because of its puncture and tear resistance, it does not need to be inflated, which avoids the heavy labor of frequent tire repair and replacement.2. Long lifeThe service life of solid tires is generally 3-5 years, which can be well adapted to many harsh environments3. EconomyCompared with pneumatic tires, solid rubber tires are less prone to punctures or punctures, so they are more economicalAt the same time, solid tires are suitable for all kinds of low-speed vehicles. Even if the tires are punctured during driving, the elderly don’t have to worry about the vehicle rolling over due to a puncture, or they are in a hurry because they cannot find a place to repair the tire. Condition.
View more +