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The following six chapters clearly demonstrate how to mount and splice steel cord conveyor belts. As the old conveyor belt has been used for many years and has been bent many times, delamination has occurred between the steel rope and the rubber, and the galvanized layer of the steel rope has also been damaged due to the reaction with various elements in the rubber. REMA TIP TOP also offers Critical spare splice kit inventory management to further reduce downtime and cost during unplanned outages. Disconnection at 145°C (295°F). A vulcanized splice is the process of bonding two belt ends together through the application of Uniform Pressure and Temperature. By means of a tensioning tool the cover is removed, supported by a knife that cuts between the cover over the steel cords. We are able to provide each conveyor with monitoring and protection devices for belt breakage and tear, so as to meet the needs of safety production. The belt ends have to be tensioned as much as possible to avoid sag. Conveyor steel cord belt broken and tear protection device. This allows your maintenance personnel the time needed to correct the situation, preventing production loss, belt loss and the added maintenance cost of either replacing or repairing the belt. Mechanical joints, cold-bonded joints and hot-vulcanized joints can be used as needed. Types Of Hot Splicing Repair Material.
Stripping Away the Cover Stock. The press applies pressure consistently across all surfaces. Before you are ready to start the joint, check the centerline again, and adjust it in time if there is a problem, so that the centerline of the conveyor belt after connection can be consistent, the force of each steel cord is uniform, and the joint strength is guaranteed. 20 mm width is cut out of the upper cover so that the steel cords become visible. The bars are 1-2 mm (1/16 inch) thinner than the belt. Steel cord belt joint procedure codes. Design belt fastener. In cold vulcanization, the belt is joined using adhesives of bonding agents that will fuse the ends of the belt together to form a continuous loop. It is applied like a second core rubber sheet. We find this a more economical and durable method.
Rubber edges are applied on both belt sides, coated with solution and dried well. The outers are at the inner side executed with a grip surface in order to increase the frictional resistance. TVET-II/TVET-III with 8/6 years expriance, inbelt vulcanazation. Steel cord belt joint procedure for steel. One marked belt end is placed on top of the other marked belt end. The vice-part is securely placed, unlike the belt fastener, not on the rubber belt surface but holds the steel cords of the elevator belt and therefore the rubber covers and weft cords should be omitted.
The bottom part of the vulcanizer can be used as a working table. Spliced belt will be lifted and lower heating platens are removed. In the past, Muller Beltex has done a lot of research on shortcomings of existing belt fasteners that are being used on steel cord elevator belts. Splicing Kits for Steel Cord Conveyor Belts | REMA TIP TOP. Reduces one more maintenance job: the checking and repairing worn out metal splices. The Uncured Cover rubber&Uncured Skim Rubber is unvulcanized raw rubber film. In cold splicing, the joint is not cured in a press. End bolts are tightened thoroughly. Plugging-in again when temperature drops to 142°C. This kind of joint method is more efficient than mechanical joint, and also more economical.
Customized TEZ splicing and repair materials can be specifically formulated to match belting from various global suppliers. In the sketch below the exact location is indicated by a red arrow. How does this contribute to reducing your cost?
Precautions for conveyor belt joint vulcanization: - Things should be paid attention to in the vulcanization joint process of the old conveyor belt. Meanwhile, if the belt is worn and broken during use, it needs to trim broken parts and produce new jointing for splicing. Conveyor Belt Jointing Guide Instructions _Monster Belting in China. Moreover, filling the inside of the cords with rubber protects against corrosion and has a good effect on their durability. Higher loads, longer center distances, higher temperatures and tough applications require specific knowledge, a different approach and innovative solutions.
Installing Instructions. With steel-cord belts and finger splices, it is important that the press be large enough to cure the splice in a single setup to avoid undesirable rubber flow and cord displacement. 10 bar (150 psi) is applied with oil pumps. Steel cord belt joint procedure summary. If the temperature is too high, the rubber will heat up too quickly, the temperature difference between the inside and outside will be too large, the inner core rubber has not been fully vulcanized, and the outer rubber has begun to age; - If the temperature is too low, the heat up of the rubber will be too slow, the vulcanization will be incomplete, and the joint strength will not meet the requirements. The alignment is checked again. At that time, the existing monitoring and protection device could stop the conveyor only when the sharp edge penetrated a certain depth.
Wear in the elevator. Each third of the instructions is followed by a video of real splicing works for better understanding. Cold belt joint, that is, using a cold adhesive to carry out the joint. General cold bonding joints, hot. Our Uncured Cover Rubber& Skim rubber are designed for use in step splicing and finger splicing of belts, they are tried and tested successfully domestic. Because the Polysur® Solid belt fastener is made of high-quality aluminum, it is non-corroding and non-sparking in the cement industry. Everything you want to read. What is Hot splicing? Carry out the conveyor belt joints. The ALMEX Flexible Platen contours to the belt regardless of wear.
The fingers—each typically 30 or 50 millimeters (1-3/16 or 2 inches) wide at the base and between 850 to 1200 millimeters (33 to 48 inches) in length depending on belting specifications—are interlaced, and then the hot vulcanization is preformed. Self-curing repairs generally do not last. 1500 mm (5 feet) apart. Only 40% of actual belt strength is retained at a metal fastener joint. Therefore, more perfect longitudinal tear protection device is needed. The presented method is reliable and can be used for a broad range of cord diameters and designs. A vulcanized joint allows the belt to wrap smaller pulleys than a metal fastener. Private Health Insurance. Once a belt is aging due to affection of heat, the wear and tear due to the attached objects will be more severe, for the reason that the rubber loses its strength and elasticity.
Our conveying equipment can meet the conveying requirements of various breaking distances and long distances. Pages 13 to 26 are not shown in this preview. The end customer is not only looking for a quality belt that he can depend on, but also wants to save downtime on maintenance. Our product range includes rubber conveyor belt, PVC/PU conveyor belt and pipe conveyor.