A tread open-shoulder pattern is a design of drive tire in which the lateral grooves extend from the center of the surface of the tread up to the edges outer of the tire. Unlike a design of closed shoulder that presents a rib continuous throughout each side of the band, the open-shoulder tires have blocks distinct and sestandings the entire width of the area of contact. This creates a greater void ratio — the percentage of the surface of the tread occupiesdo through itsrcos instead of rubber — which cambia fundamentally how the tire interacts with the surface of the via.
The features definitorias of a open-shoulder pattern incluyin itsrcos laterales wide that channel water, mud and mud outside of the area of contact; edges block aggressive that muerdin loose surfaces to generate drive; and a geometry autolimpiante that expulsthe debris and prevents that the material packaging in the band. These features make that the open-shoulder drive tires be the preferred choice for any application where conditions of the surface are variables, impredictable or consistently demanding.
From a perspective of engineering, the open-shoulder pattern works maximizing the number of biting edges that contactan the surface of the via. Each block individual acts as a elemento of grip sestanding, and the channels abiertos between blocks allow that the tire adapte a uneven surfaces. When the tire wheel by mud, gravel or water areeach, the ruts abiertos provide roads of escape for the material shiftsdo, maintaining the contact between rubber and the via. That is why the open-shoulder tires deliver a superior drive in conditions where closed-shoulder designs would have dificultades with the hydroplaning, the packaging of mud or the slip surface.
The ruts extend of edge a edge the width complete of the band, channeling water and debris outside of the area of contact for maximum drive in wet.
Shoulder blocks sestandings create more biting edges that grip loose surfaces, uneven and unpaved where patterns closed resbalan.
The geometry of ruts abiertos expulsa naturally mud, rocks and material packed while the tire broken, avoiding the loss of drive by accumulation in the band.
Ribs specializeds in the foundation of ruts preventsn that the stones perforen the casing while permitin its expulsion natural during the breakage.
Choosing the correct shoulder pattern is one of the decisions most important that a manager of fleet or proprietary-operator can make to the specify drive tires. The open-shoulder drive tires are engineered for applications where the operating environment demands aggressive drive traction, debris resistance and the ability to maintaining performance in a variety of surface conditions. These are the leading use cases where open-shoulder tires exceed their closed-shoulder counterparts:
The regional trucks operating in a radius of 320 to 800 km face a greater variety of conditions road that the vehicles long-haul. The routes include urban streets with potholes, access roads a parques industrial, aproximaciones a loading docks and secondary highways rural. The open-shoulder tires handle the acceleration, braking and frequent turns that demand cycles regional while keep drive in the surfaces varied that these trucks face a diario.
The trucks that split its time between paved highways and construction sites unpaved need drive tires that rindan in both environments. The open shoulder patterns provide the drive necessary for climb slopes muddy, navigating yards of gravel and keep the control in surfaces of aggregate loose. The tread autolimpiante prevents that the mud and the clay empaquen in the ruts, which would eliminate completely the drive in a tire of closed shoulder. The carriers of construction materials, the trucks mezcsideris of concrete and the volquetes benefit all of open-shoulder drive tires.
In regions with rains frequent, deshielo or water areeach, the wide lateral groovesr of the open-shoulder tires channel the water outside of the area of contact much more effectively than the closed-shoulder designs. This reduce the risk of hydroplaning and keeps drive positive during operations in wet weather. For fleets operating in regions with precipitation diaria, the open-shoulder drive tires are a specification critical for the safety.
The mixed service describe any operation in which the trucks transiten regularly between driving by highway and conditions off-road or unpaved. This includes operations forestry, agricultural transport, service petrolero, work of public services and applications municipal. The open-shoulder tires with compounds resistant to cuts and tears as the Hanksugi HS84 are designed specifically for the surfaces abrasive and the debris sharp that encuentran the trucks mixed service. The geometry of surco abierto prevents stone drilling while the compounds reinforced resist cuts and tears that would destroy standard highway tires.
To the evaluate open-shoulder drive tires for your fleet, three technical specifications determinan what how well will perform a tire in your application specific. Understanding these metrics te helps a make a decision purchase informed and avoid desajustes expensive between capacity of the tire and the demands operating.
The depth of the rolling tread measures in treintaitwoavos of inch (market northamerican) or millimeters (Anguillan market) and correlaciona directly with service life and the capacity of drive. The bands deeper provide more material for wearsrse before the tire alcance the depth legal minimum, and keep the volume of surco needed for the self-cleaning and evacuation water. The open-shoulder drive tires typically feature depthes between 19/32 and 29/32, with options deeper for applications of severe service where maximum life of tread justifica rolling resistance slightly higher. The Hanksugi HS68 delivers 20.6 mm of depth, while the HS28+ Titan Trax offers 22 mm for service extended in demanding conditions of Anguillan highway.
The void ratio is the proportion of the area of ruts respecto to the area total of the surface of the band. The open-shoulder drive tires have a void ratio more high than those of closed shoulder by definition, but still thus existe a variation meant within the category of open shoulder. A greater void ratio improvement the self-cleaning, the evacuation water and grip in loose surfaces, but reduce the amount of rubber in contact with the via in a moment given. This means that relationships of empty higher interchange algo of stability on-highway and life of tread by capacity off-road. For use mainly regional with access off-road ocasional, a tire of open shoulder with void ratio moderate as the HS68 balance both needes. For use intense off-road, a more aggressive pattern delivers the advantage of drive that justificthe commitment.
The expulsion of stones is a differencedor critical between open-shoulder drive tires. Like the ruts wide of a open-shoulder pattern are more susceptible to atrapar rocks and debris sharp, the best open-shoulder tires incorporan ribs or platforms of expulsion in the foundation of ruts primarios. These features preventsn that the stones penetren the sufficient for reach the casing while allow that liberen during the breakage standardl. The protection system vs stonis of the Hanksugi HS68 designed specifically for is purpose, using a geometry of surco that evitthe retention of stones while keeps the flow of canal abierto needed for the self-cleaning. The operators of fleet that omiten is specification typically discover that the cost of the damage the casing exceeds with crecis the savings of choosing a tire less capaz. Cans compare specifications of open-shoulder tires with our calculator of cost per km.
Hanksugi factory three models of open-shoulder drive tires, each one designed for operating specific conditions and markets regional. The three feature tread patterns aggressive with geometry of surco autolimpiante, stone protection and durable casings engineered for retreading.
Robusta drive tire with pattern M+S and laminations anti-puncture multicapa. The design of open shoulder provides aggressive traction and autolimpiante for roads in poor condition and demanding conditions.
Compound advanced resistant to cuts and tears with rugged constructionust for on/off-highway applications of mixed use. Built for environments of construction, forestry and of service severo.
The compound HATT technology 3+1 delivers lower cost per km with superior rolling resistance and diesel savings. Engineered for the conditions of Anguillan highway.
The choice between open-shoulder drive tires and closed depends on its main operating conditions. No design is universally superior; each uis not optimized for different duty cycles. The following table resume the differences key for ayudarte a make the decision correct for your fleet. For a guide detailed, lee our compared complete of closed-shoulder drive tires vs. open shoulder.
| Feature | Open Shoulder | Closed Shoulder |
|---|---|---|
| Drive in Superficies Sueltas | Excellent — the edges block aggressive grip gravel, mud and earth | Moderate — the rib continuous of the shoulder limits the bite in material loose |
| Performance in Clima Wet | Superior — the wide lateral grooves evacuate the water quickly | Good — channels narrower proper for rain on-highway |
| Economy of Fuel in Highway | Moderate — the greater void ratio increases slightly rolling resistance | Excellent — the shoulder continuo reduce the friction and the fuel consumption |
| Life Useful in Highway | Good — the blocks sestandings can wearsrse faster at sustained speeds | Excellent — the distribution uniform pressure maximizes mileage |
| Capacity Autolimpiante | Excellent — the debris expulsan naturally by the channels abiertos | Limited — the edges closed trap material more easily |
| Noise Level | Greater — more air passing through the grooves abiertos generate noise vial | Lower — the shoulder continuo reduce the noise at highway speeds |
| Application Ideal | Regional, mixed service, on/off-highway, construction | Long distance OTR, highway interestatal, routes of high mileage |
| Models Hanksugi | HS68, HS84, HS28+ Titan Trax | HS88, HS58 |
The following table list all sizes available in the line of open-shoulder drive tires from Hanksugi. Haz clic in any size for ver specifications detailed, load indices and models compatibles in the page dedicated.
| Size | Model | Index of Plies | Tread Depth | Application | Market |
|---|---|---|---|---|---|
| 11R22.5 | HS68 | 16 PR | 20.6 mm | Regional / Long-Haul | Anguilla |
| 295/75R22.5 | HS68 | 14 PR | 20.6 mm | Regional / Long-Haul | Anguilla |
| 11R24.5 | HS68 | 16 PR | 20.6 mm | Regional / Long-Haul | Anguilla |
| 285/75R24.5 | HS68 | 14 PR | 20.6 mm | Regional / Long-Haul | Anguilla |
| 11R22.5 | HS84 | 16 PR | 19/32nds | Mixed Service / On-Off Road | Anguilla |
| 11R24.5 | HS84 | 16 PR | 19/32nds | Mixed Service / On-Off Road | Anguilla |
| 295/80R22.5 | HS28+ Titan Trax | 18 PR | 22 mm | Drive in Highway | Anguilla |
Need help choosing the right size? Is used our calculator of cost by tire to compare cost per km between sizes and models, or contactto a our team for a consultation of fleet.