{"id":191,"date":"2014-05-21T23:12:56","date_gmt":"2014-05-21T15:12:56","guid":{"rendered":"http:\/\/www.sungda.com\/?p=191"},"modified":"2026-09-23T15:42:31","modified_gmt":"2026-09-23T07:42:31","slug":"chevron-rubber-conveyor-belt","status":"publish","type":"post","link":"https:\/\/www.sungda.com\/index.php\/chevron-rubber-conveyor-belt\/","title":{"rendered":"Chevron\/Pattern Rubber Conveyor Belt"},"content":{"rendered":"
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chevron pattern conveyor belt<\/figcaption><\/figure>\n<\/div>\n\n\n

Generally, the transportation angle of the flat conveyor belt is below 20\u00b0, otherwise the material will slide or roll off. The appearance of the chevron conveyor belt<\/span><\/a> <\/strong>solves this problem very well, the chevron profile conveyor belt is also called pattern conveyor belt or cleat top conveyor belt. It refers to the pattern for the chevron conveyor belt, the function of the pattern is to prevent the material from sliding down and play the role of friction, the conveying angle of the chevron pattern conveyor belt is generally greater than 22 degrees, which can effectively help the materials to be lifted to the specified height, it is a patterned conveyor belt with a wide range of applications, and uses high-quality patterned conveyor belts in various industries.<\/p>\n\n\n

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1. Application:<\/span><\/strong>  Chevron conveyor belt is precisely suited for conveying bagged or bulky and loose materials on sloping surface at angles of less than 40\u00b0. It is applicable in many industrial applications including coal, minerals, ore and solid duty scrap metal. This anti-slip chevron conveyor belt has top cover & cleats are vulcanized integrally. The angle, pitch and pattern of cleat are designed elaborately.<\/p>\n\n\n\n

The guide to choose cleat height of chevron belt according to material and angle:<\/span><\/strong><\/p>\n\n\n\n

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2. Features:   <\/span><\/strong>
1. Sungda chevron patterns are moulded in one continuous vulcanised production process together with the base belt. This creates a integral, homogeneous belt structure that is far stronger than belts that have the chevron patterns attached separately.<\/p>\n\n\n\n

2. Chevron molds are made of high-precision steel, which is beautiful and highly wear-resistant, and cleats and top cover rubber are vulcanized integrally;<\/p>\n\n\n\n

3. Cleat pattern, angle and pitch are designed elaborately.<\/p>\n\n\n\n

4.Chevron Patterns styles have: <\/p>\n<\/div><\/div>\n\n\n\n

“C” series: C5V\/Multi V\/C15\/C17\/C25\/C32<\/p>\n\n\n\n

“S”series: S15\/S25<\/p>\n\n\n\n

“Y”series: Y32<\/p>\n\n\n\n

Special Type: Fish-bone\/Multi “V”<\/p>\n\n\n\n

The following are some commonly used chevron patterns, cleat size and corresponding conveyor belt width:<\/span><\/strong><\/p>\n\n\n\n

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Our featured chevron belt is 3ply\/4ply range of DIN grade C15 & C25 chevron cleat rubber conveyor belt: 3P450C15, 3P600C15, 3P650C15, 3P\/4P750C15, 3P\/4P800C15, 3P\/4P900C15, 3P\/4P1200C15, 3P\/4P900C25, 3P900C25 & 3P1200C25 is produced in both a 15 mm or 25 mm high chevron V cleat in varying pitch centers and pattern width dependent on the actual belt widths, the applications of these type chevron type are grains, corn, barley, wheat, gravel, ground stone and sacks delivery.<\/p>\n\n\n\n

The range of chevron V6, C6, C15 & C25 chevron belts are suitable for over roller incline conveying applications and in particular mobile road scalpers, cold planers & crushers, spreaders, batching plants & tub grinders. Our cleat rubber conveyor belt is manufactured with an EP (polyester\/nylon) carcass that provides high strength, low stretch, excellent trough ability & good impact resistance.<\/p>\n\n\n\n

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SEND YOUR INQUIRY<\/strong><\/a><\/div>\n<\/div>\n\n\n
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\"Application<\/figure>\n<\/div>\n\n\n

Comparison of RMA and DIN Standard for Conveyor Belts<\/a><\/strong><\/p>\n\n\n\n

The Top 5 Rubber Conveyor Belt Manufactures in China 2023-2024(with website & contact info)<\/a><\/strong><\/p>\n\n\n\n

What is the difference between PSI and Mpa in conveyor belts and how to convert them to each other?<\/a><\/strong><\/p>\n\n\n\n

EP Conveyor Belt Layer is the More, the Better?<\/strong><\/a><\/p>\n\n\n\n

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10 Technical FAQs About Chevron (Patterned) Conveyor Belts for Steep-Incline Conveying<\/h1>\n\n\n\n

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1.What is the working principle of a Chevron conveyor belt, and when is it required over a flat belt? <\/strong><\/p>\n\n\n\n

A Chevron (or patterned\/cleated) conveyor belt utilizes integrated rubber cleats or V-shaped profiles molded onto the top cover to increase mechanical friction and prevent bulk material from sliding backward.<\/p>\n\n\n\n

    <\/ol>\n\n\n\n

    On a standard flat rubber belt, smooth material begins to slip back when the conveyor angle exceeds the material’s internal angle of friction (typically between 15\u00b0 and 22\u00b0 depending on moisture and particle size). A Chevron belt mechanically traps material behind the cleats, enabling efficient conveying up steep inclines ranging from 20\u00b0 to 40\u00b0, eliminating material rollback and spillage without requiring fully enclosed pocket or sidewall systems.<\/p>\n\n\n\n

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    Standard Maximum Conveying Angle Comparison:<\/p>\n\n\n\n

    Conveyed Material<\/th>Flat Smooth Belt Limit<\/th>Chevron Belt (15 mm Cleat) Limit<\/th>Chevron Belt (32 mm Cleat) Limit<\/th><\/tr><\/thead>
    Coal \/ Coke<\/td>16\u00b0 ~ 18\u00b0<\/td>25\u00b0 ~ 28\u00b0<\/td>32\u00b0 ~ 35\u00b0<\/td><\/tr>
    Sand & Gravel<\/td>18\u00b0 ~ 20\u00b0<\/td>26\u00b0 ~ 30\u00b0<\/td>35\u00b0 ~ 38\u00b0<\/td><\/tr>
    Wet Clay \/ Mud<\/td>15\u00b0 ~ 17\u00b0<\/td>22\u00b0 ~ 25\u00b0<\/td>30\u00b0 ~ 32\u00b0<\/td><\/tr>
    Grain & Maize<\/td>12\u00b0 ~ 14\u00b0<\/td>20\u00b0 ~ 22\u00b0<\/td>28\u00b0 ~ 30\u00b0<\/td><\/tr>
    Wood Chips \/ Biomass<\/td>20\u00b0 ~ 22\u00b0<\/td>28\u00b0 ~ 32\u00b0<\/td>38\u00b0 ~ 40\u00b0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    2.How do I select the right Chevron cleat height (15 mm, 25 mm, 32 mm)? <\/strong><\/p>\n\n\n\n

    Cleat height selection is governed by two physical variables: Incline Angle and Material Lump Size.<\/p>\n\n\n\n

      <\/ol>\n\n\n\n

      a. Low Patterns (5 mm ~ 15 mm Cleat Height): Suitable for mild inclines (20\u00b0 ~ 25\u00b0) carrying fine, small granular materials such as sand, fine coal, cement premix, or grain (particle size <25 mm).<\/p>\n\n\n\n

      b. Medium Patterns (16 mm ~ 25 mm Cleat Height): The industry workhorse for moderate to steep inclines (25\u00b0 ~ 30\u00b0) handling medium lump sizes (25 mm ~ 60 mm) like crushed stone, gravel, and run-of-mine coal.<\/p>\n\n\n\n

      c. High Patterns (28 mm ~ 32 mm+ Cleat Height): Required for steep inclines (30\u00b0 ~ 40\u00b0) or large lump materials (>60 mm) such as uncrushed ore, heavy aggregate, and timber waste, where deep pockets are needed to hold material against gravity.<\/p>\n\n\n\n

      Rule of Thumb: The cleat height should generally be at least 1\/3 to 1\/2 the average lump diameter of the material to provide sufficient mechanical locking.<\/p>\n\n\n\n

      3. What are the functions of different Chevron pattern shapes (Open V, Closed V, Y, and U-Shapes)? <\/strong><\/p>\n\n\n\n

      Chevron patterns are engineered for specific drainage, discharge, and material-holding characteristics:<\/p>\n\n\n\n

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        Open V-Pattern (V-Shape with Gap at Apex): Features a gap at the point of the “V”. This gap allows water, slurry, or fine mud to drain downward during incline conveying, preventing material pooling. It is optimal for wet sand, slurry, and washed coal.<\/p>\n\n\n\n

        Closed V-Pattern (Continuous Apex): Forms an unbroken “V” barrier. It provides maximum pocket volume to prevent fine dry particles (like cement, dry grain, or fertilizer) from trickling backward down the center of the belt.<\/p>\n\n\n\n

        U-Shape \/ Arch-Shape: Provides a wider trough area and smoother transition over return idlers. Ideal for sticky materials (like damp clay or agricultural waste) because the curved profile reduces material packing in tight corners.<\/p>\n\n\n\n

        Y-Pattern \/ Multi-V: Features repeating short offset V-cleats across wide belts. Excellent for wide-width conveyors (>1000 mm) handling high-tonnage bulk materials at moderate speeds, ensuring even weight distribution across the trough.<\/p>\n\n\n\n

        4.Open V vs. Closed V Chevron: Which point direction should lead on the carrying side? <\/strong><\/p>\n\n\n\n

        A common installation error is running a Chevron belt in reverse direction. On the carrying side (top strand), the belt must be installed so that the apex (point) of the “V” points in the direction of belt travel (\uff1c \u2192).<\/p>\n\n\n

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          Carrying Side Geometry (\uff1c \u2192): Running with the point leading causes material to funnel toward the center of the belt, reducing spillage over the belt edges and maintaining a stable load profile.<\/p>\n\n\n\n

          Return Side Transition: As the empty belt returns over flat return idlers, the trailing V-wings slide smoothly onto idler rollers without catching or tripping.<\/p>\n\n\n\n

          Operational Warning: Running a Chevron belt in reverse (\u2228 \u2192) forces material outward toward the belt edges, causing catastrophic edge spillage and severe mistracking.<\/p>\n\n\n\n

          5. How do Chevron cleats affect the design of return idlers and belt scrapers? <\/strong><\/p>\n\n\n\n

          The profile of a Chevron belt creates mechanical interference on the return strand and at drive pulleys, requiring specific conveyor modifications:<\/p>\n\n\n

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            Return Idlers: Flat return rollers cannot be used directly against high cleats (>15 mm) as they cause severe vibration, cleat wear, and noise. Use V-return idlers, rubber disc return rollers, or wing pulleys that contact only the flat margins outside the cleat pattern.<\/p>\n\n\n\n

            Belt Scrapers \/ Cleaners: Standard rigid polyurethane or carbide primary scrapers cannot be used on the patterned top cover\u2014they will tear off the cleats.<\/p>\n\n\n\n

            Cleaning Solutions: Specify motorized nylon brush cleaners, high-pressure water spray jets, or finger\/segmentated flexible scrapers engineered specifically to clean within the profile grooves.<\/p>\n\n\n\n

            6. Integrally Molded vs. Cold-Bonded Cleats: Which manufacturing method is superior? <\/strong><\/p>\n\n\n\n

            How the Chevron pattern is attached to the base belt dictates its dynamic fatigue resistance:<\/p>\n\n\n\n

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              Integrally Molded (Vulcanized with Top Cover): The cleats and top cover rubber are vulcanized simultaneously in a hot press, forming a single continuous molecular structure. Integrally molded cleats cannot peel off, making them mandatory for heavy-duty mining, quarrying, and high-impact loading zones.<\/p>\n\n\n\n

              Cold-Bonded (Glued On Afterwards): Cleats are glued onto a standard smooth belt using two-part cold adhesives. While cheaper for custom short runs, cold-bonded cleats are prone to shear failure and peeling under heavy lump impact, thermal stress, or when passing over small drive pulleys.<\/p>\n\n\n\n

              Procurement Guideline: Always specify Integrally Vulcanized \/ Molded Chevron Belts for primary crushers, heavy aggregate, and 24\/7 industrial operations.<\/p>\n\n\n\n

              7.How do I calculate the minimum pulley diameter for a Chevron conveyor belt? <\/strong><\/p>\n\n\n\n

              Pulley sizing for a Chevron belt requires checking two factors: Carcass Bending Limits and Cleat Compression Stress.<\/p>\n\n\n\n

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                The minimum drive pulley diameter (DA) must accommodate the carcass specification (EP fabric or Steel Cord) plus the extra thickness and rigidity introduced by the molded cleats.<\/p>\n\n\n\n

                DA \u2265 K \u00d7 (ecarcass + etop cover) (Where K is the manufacturer bending factor and e is thickness).<\/p>\n\n\n\n

                Minimum Drive Pulley Diameters for EP-Carcass Chevron Belts:<\/p>\n\n\n\n

                EP Grade<\/th>Cleat Height 15 mm<\/th>Cleat Height 25 mm<\/th>Cleat Height 32 mm<\/th><\/tr><\/thead>
                EP400\/3<\/td>315 mm<\/td>400 mm<\/td>500 mm<\/td><\/tr>
                EP630\/4<\/td>400 mm<\/td>500 mm<\/td>630 mm<\/td><\/tr>
                EP800\/4<\/td>500 mm<\/td>630 mm<\/td>710 mm<\/td><\/tr>
                EP1000\/5<\/td>630 mm<\/td>710 mm<\/td>800 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

                Using drive pulleys smaller than recommended compresses the base of the cleat during wrap-around, leading to premature cracking at the root of the Chevron profile.<\/p>\n\n\n\n

                8.Can Chevron conveyor belts be hot vulcanized or cold spliced on-site? <\/strong><\/p>\n\n\n\n

                Yes, Chevron belts can be spliced on-site, but the process requires extra step preparation to maintain profile continuity and scraper compatibility:<\/p>\n\n\n

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                  Hot Vulcanized Splices: The preferred method. The Chevron pattern must be ground down flat across the splice step length. After laying the fabric plies and skim rubber, specialized Chevron profile vulcanizing molds (silicone or aluminum matrix pads) are placed over the joint area during curing to regenerate the cleat profile across the splice.<\/p>\n\n\n\n

                  Cold-Bonded Splices: The cleats across the splice overlap are buffed smooth, glued using two-part cold cement, and short repair cleats are cold-bonded over the joint line after curing.<\/p>\n\n\n\n

                  Mechanical Fasteners: Recessed plate fasteners can be used for emergency repairs by grinding off local cleats, though this creates a bump that disrupts belt brush cleaners.<\/p>\n\n\n\n

                  9.What cover rubber grades should be specified for high-incline Chevron belts? <\/strong><\/p>\n\n\n\n

                  Because material on steep inclines exerts higher shear and sliding forces against the cleat faces, cover rubber formulation is critical:<\/p>\n\n\n\n

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                    DIN-X \/ ISO-H (High Impact & Cut\/Gouge Resistance): Recommended for sharp primary quarry rock, granite, and metallic ores. High tensile strength (\u2265 20 MPa) prevents cleats from tearing off under lump impact.<\/p>\n\n\n\n

                    DIN-W \/ ISO-D (Ultra-High Abrasion Resistance): Recommended for highly abrasive fine materials like quartz sand, glass cullet, and coke fines. Limits volumetric wear to \u2264 90 mm\u00b3.<\/p>\n\n\n\n

                    Oil-Resistant (OR) \/ Flame-Retardant (FR): Essential for agricultural grains, oilseed processing, or underground coal handling where oils degrade rubber bonds or explosion hazards exist.<\/p>\n\n\n\n

                    10.How should condition monitoring and maintenance be performed on Chevron belts? <\/strong><\/p>\n\n\n\n

                    Condition monitoring for Chevron belts focuses on cleat integrity, pattern wear, and return-side damage:<\/p>\n\n\n\n

                      <\/ol>\n\n\n\n

                      Cleat Root Crack Inspection: Regularly inspect the leading and trailing bases of cleats using visual or optical camera systems. Cracking at the root indicates undersized pulleys, excessive belt tension, or severe chute impact.<\/p>\n\n\n\n

                      Cleat Height Wear Profiling: Measure remaining cleat height across the center and edge zones. When cleats wear down below 50% of their original height, material slippage on steep inclines increases rapidly, requiring belt replacement or re-cleating.<\/p>\n\n\n\n

                      Return Strand Vibration Analysis: Monitor return idler bearings for vibration spikes. Excessive vibration indicates material buildup trapped inside the Chevron pattern or damaged return disc rollers.<\/p>\n\n\n\n

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                      SUNGDA Conveyor Belt Vulcanization Workshops <\/strong><\/span><\/p>\n\n\n

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