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Vulcanize Process
OTR Tire Vulcanization
Vulcanization repairs are available through McDonald Tire LLC. Avoid extended periods of downtime. Get your damaged tires vulcanized and in operation again.
We specialize in supplying new, used and retread OTR tires. We also repair OTR tires for your construction and mining equipment.
Our team of experienced personnel are always available to assist in all aspects of your OTR needs. Always striving to offer the best price and best possible services to our local and abroad customers.
Tire vulcanization or section repairs are a process of adding raw rubber to a damaged area of a tire to create a repair usable for the rest of the tires life. Your damaged tire will be prepped, and then a new uncured rubber compound will be moulded into the damaged area, and a reinforcing patch will be fitted on the inside of the tire Then placed into a tyre vulcanizing machine to cure the raw rubber at high temperature. This process of tire repair allows a 1-5 days for completion. Call us and speak to one of our specialists to find out about getting your tires repaired
3 Different Types of Vulcanization
Spot Repairs
Stripping
Section Repairs
This type of repair involves external tire damage that does not involve the cords. Examples include sidewall cuts, chipped lugs, cracks in the shoulder, and bead damage. With spot repairs, the damaged area is ground or beveled out and filled with new rubber on the outside of the cavity. A high-pressure heat cure to forces the rubber into the casing and cures the tire. Some bead repairs will require a tube.
This type of repair involves the inner lining of the tire as it thins and the cords become exposed. As with section and spot repairs, a layer of rubber is applied to the inside of the tire and a high-pressure heat cure to bonds the layers together for a lasting repair
These repairs involve the most severe type of tire damage—when a tire has a cut through the cords. Section repairs include sidewall, face, and shoulder reinforcement. To perform this repair, the damaged area is ground or beveled out, layered with new ply on the inside, and filled with new rubber on the outside of the cavity. Then, a high-pressure heat cure forces the rubber tightly into the cavity to complete the repair.
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2 Types of Tires
Bias Tires
A Bias tire means that it is of cross-ply construction. It uses cords that stretch from bead to bead. A bead is a bunch of high tensile steel wire that ties the tire to the rim. The cords are laid in layers at opposing angles of approximately 35 degrees to form a crisscross pattern. The tread is then adheredover that pattern. The primary advantage of a tire with this construction is that it allows for the entire body of the tire to flex. This flexibility allows for a comfortable and smooth ride even on uneven or rough terrain. The downsideof bias tires is that they have less traction and control at higher speeds, and tend to carry less weight
Radial Tires
A radial tire is in some ways the opposite of a bias tire and in other ways it is acombination of Bias and Belted Bias. Radial utilizes cords that extend from the beads and across the tread but they are at right angles to the centerline of the tread. The cords are parallel to one another and stabilizer belts are put into place beneath the tread. All of those things come together to strengthen the tire and provide a longer life for the tire, better control at high speeds and lower rolling resistance as well. The disadvantages are that the ride is much rougher at lower speeds and OTR tires will not see as much of a self-cleaning ability, but will carry much more weight.
