3/1/2024 0 Comments Conveyor belt splice kit![]() Light-duty conveyor belts generally have a tension rating of 160 PIW or less, while heavy-duty conveyor belts have tension ratings exceeding 160 PIW. Our experienced belt technicians will assist you in selecting the ideal fastener or belt clip for your belt and application, dependent on whether the belt repair type is for a light or heavy duty application. ![]() It is critical to choose the proper mechanical belt fastener system for belt splicing to reduce conveyor system failures caused by belt fatigue at or behind fasteners, or for fasteners that pull from the belt surface. In order to prolong the life of your newly repaired belt fastening system, ASC suggests including a repair band over most mechanical hinged fastening types. These applications generally occur in the mining (especially below ground situations), quarrying and other heavy-duty industries. It is typically used in applications where belts obtain lots of wear and tear or need to be continuously lengthened, shortened or changed out. Mechanical splicing is a versatile solution because it is quickly and easily installed on many types of belts in dirty, damp or cramped environments. ![]() Solid plate fasteners span the opposing belt ends, which are then butted together, forming a tight sift-free splice. Hinged belt fasteners are applied as individual segments to each belt end and then connected with a hinge pin. This method requires a mechanical belt fastener system utilising rivets or special nut and bolt hardware to install the fastener. If it is necessary to either remove and or trim the damaged section, vulcanisation using both heat and pressure combined with uncured rubber compounds to repair the damaged sections of the conveyor belt is highly recommended.ĭid you know? When your conveyor system is properly engineered and well maintained, a vulcanised splice will last for many years and in many cases will last the life of the belt.Ī mechanical splice is created by using metal hinges or solid plate fasteners. When there is extreme damage to a belt cover, steel cord or fabric carcass due to either holes, cuts or tears, we highly recommend utilising our hot method utilising our Shaw Almex platen system whenever practicable. Most conveyor belt repairs are completed with specifically manufactured reinforced and non-reinforced fabric strips or diamond shaped patches, which are bonded in place with CN bonding layer and a specific two-part adhesive. We perform cold vulcanising with ContiTech two part “ContiSecur” adhesive for most rubber compounds to ensure superior adhesion. Suitable belts: Most of your typical multi plied fabric belting is suitable for a step spliceĪll State Conveyors only suggests using a cold vulcanising process when reinforcing a small damaged area on your belt system which have been scored or gouged or have been damaged in a more minor way to minimise cost or where hot vulcanising is impracticable. Other factors such as heat or adverse chemicals may affect the belt or belt splice integrity. Suited conditions: Hot or cold chemical vulcanisation can be used where belt cleaning systems may catch or interfere with mechanical type fasteners. The strength and fatigue life of splice strongly depend on selecting the best adhesive material whether hot or cold for the given type of conveyor belt. These shear factors also depend on several conditions such as the quality of belt, technology of joining, as well as on the materials used to make the vulcanised join. Fabric step splicing has the advantage of strength in the join (as well as the method and quality of splicing determine the strength of the whole conveyor belt) through shearing stress forces in the stepped over lapped fabric and cushion rubber layers as these shear forces are spread out over the splice angle and the total step length or surface area of the splice. The spliced join is the weakest point in the conveyor belt. This technique is normally used with conventional plied carcass construction and it should always be performed by well trained and highly skilled personnel using a hot or cold vulcanising technique. The choice of vulcanising method will depend on your requirements in terms of durability and size of belt configuration or belt damage. We also utilise Cold Vulcanising ContiTech adhesives to create a splice with the use of chemicals to join the two pieces of belt. Vulcanising is an ideal method for the endless joining of conveyor belts and to assist with repairs, using either hot or cold methods and to extend conveyor belt life.Īt All State Conveyors (ASC), we offer hot vulcanisation by utilising the pressure and heat from a Shaw Almex vulcanising press to bond splices together. All State Conveyors offer hot or cold chemical styles which are the most common types of vulcanised splice techniques.
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