The mesh belt conveyor has a wide application in terms of its simple structure and long-distance material transportation. Its disadvantage is that the stainless steel mesh belt runs off. Stainless steel mesh belt deviation is a common bad phenomenon in the use of mesh belt conveyors. It can cause the material to be thrown. If the deviation is too large, the friction between the stainless steel mesh belt and the roller bracket will occur, resulting in the edge of the stainless steel mesh belt. Wear and shorten the service life of the stainless steel mesh belt. In severe cases, the conveyor cannot work normally. Due to the continuity of production and the interlocking of the equipment, failure of any one of the belt conveyors will affect the normal operation of other equipment. Therefore, in the production must pay special attention to the operating state of the stainless steel mesh belt to prevent accidents caused by the deviation of the stainless steel mesh belt.
　　 8 stainless steel mesh belt deviation reasons There are many reasons for the deviation of stainless steel mesh belt, it is closely related to the quality of the stainless steel mesh belt itself and the manufacturing quality, installation quality and operation of the conveyor. To sum up, there are mainly the following factors: 898 Equipment manufacturing quality problems ( 8 ) The roundness of the drive cylinder and the reversing roll outer circle have roundness.
The rigidity of the transmission frame and the redirecting frame is poor, and there is a large deformation . The rotation of the roller is not flexible, so that the resistance of the stainless steel mesh belt is different. Installation quality problems ( 8 ) The drive cylinder and the reversing cylinder axis are not perpendicular to the centerline of the belt conveyor. The axis of each roller is not perpendicular to the centerline of the belt conveyor. The nose and tail drum are misaligned.
The guide trough and the unloading trough are improperly installed, resulting in uneven bearing on both sides of the stainless steel mesh belt, and the pressure on the bearing surface is uneven. Stainless steel mesh belt itself quality problems ( 8 ) stainless steel mesh belt manufacturing quality is poor, the length of the edges of the two sides is inconsistent, the stainless steel mesh belt itself is circular arc-shaped, so it can not guarantee the elongation and thickness of the flat stainless steel mesh belt, so that the core It is not tight. The end cut of the stainless steel mesh belt is not perpendicular to the center line of the stainless steel mesh belt. After the two ports are connected, the interface of the stainless steel mesh belt cannot be kept straight, resulting in uneven force.
　　 8<= Problems in use After many years of practice, it is indicated that in the following cases, stainless steel mesh belts are prone to deviation in the following cases: stainless steel mesh belt is loose; frame rigidity is poor; transporting sticky materials; stripper Poor performance; use parallel upper rollers; belt speed is faster.
Conveyor for transporting viscous materials, the stainless steel mesh belt is often not cleaned, so that the surface of the roller and the roller are bonded to the material, and the rotation radius is not uniform everywhere, so the deviation is easy to occur. Conveyors that use parallel upper rollers tend to have a different pitch at the time of conveyance, and sometimes there is no pressure on a single idler, which tends to cause deviation.
The speed of the stainless steel mesh belt itself does not cause the stainless steel mesh belt to run off, but once the stainless steel mesh belt runs off due to other reasons, the development of the deviation will be very fast, thus generating a certain lateral inertial force. It is even harder to go wrong. : The main measures to prevent deviation: <8 In designing the stainless steel mesh belt to transmit the viscous material, the effective stainless steel mesh belt cleaning measures should be taken to ensure the cleaning of the stainless steel mesh belt bearing surface. In addition, the deviation of the stainless steel mesh belt cannot be solely borne by the self-aligning roller, and excessively adjusting the roller will reduce the reliability of operation due to the frequent operation of these protection devices. Generally speaking, it is only necessary to install a pair of self-aligning rollers at the loading point and the middle of the rack.
　　 The deviation of the stainless steel mesh belt is often more serious with the return stainless steel mesh belt. The simple anti-biasing disc is installed on the stainless steel mesh belt, which can effectively solve the deviation problem of the return stainless steel mesh belt. Improve the installation quality ( 8 ) When installing the belt conveyor, the centerline deviation between the headstock and the tailstock should be strictly controlled. The centerline deviation of the conveyor less than 866> should be controlled within 6>> . When installing the intermediate frame, it should be noted that the diagonal deviation of the center of the screw holes of the adjacent two sets of roller supports should be measured. Generally, the maximum allowable value should be controlled at 86>> , and the horizontal horizontal deviation of the frame should generally be controlled at =>>.
Ensure the level of the drum and its axis perpendicular to the center of the rack. The level of the drive roller (including the reversing roller and the tail roller) can be measured by a level meter, and the steel drum can directly measure the surface of the drum. If the rubber roller is used, the roller shaft should be measured. The roller unevenness of good installation quality is generally below 6<@7>> .
Note that the position adjusting feed port, feeding error preventing, avoiding partial load the material on a stainless steel mesh belt. Adjust the position of the rubber grooves on both sides of the guide groove so that the resistance to the stainless steel mesh belt is approximately equal. Use high-quality stainless steel mesh belt to ensure the quality of the end interface of the stainless steel mesh belt. Some adjustment methods in daily use are actually used, and due to various conditions, stainless steel mesh belts often occur. The rule of stainless steel mesh belt deviation is: when the rotation axis of the drum is perpendicular to the running direction of the stainless steel mesh belt, the stainless steel mesh belt runs to the tight side, that is, the stainless steel mesh belt runs in the direction of the large diameter of the drum; when the rotation axis of the drum or the idler roller When the running direction of the stainless steel mesh belt is not vertical, the stainless steel mesh belt runs to the side where the roller or the roller first contacts.
Mastered this rule, the effect of the deviation was corrected by adjusting the angle between the axis of the tail drum or the idler and the longitudinal centerline of the stainless steel mesh belt.
( 8 ) When the deviation occurs at the reversing roller, which side of the stainless steel mesh belt is turned at the reversing roller.
Adjust the roller when you are biased elsewhere. Where the stainless steel mesh belt runs at the roller, the roller is deflected at an angle to the running direction of the stainless steel mesh belt. This adjustment often needs to be adjusted in groups according to the offset of the stainless steel mesh belt to achieve the deflection adjustment. purpose.
Some leveling devices can be used, such as a grooved roller set. When the bulk material is transported by the trough-shaped idler, in addition to the continuous conveyance of the material, the stainless steel mesh belt is tightened because the rollers on both sides are inclined, and the stainless steel mesh belt is deflected to one side. The inclined side rollers give the stainless steel mesh a centripetal thrust to prevent the stainless steel mesh belt from running off.
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Stainless steel mesh belt deviation, stainless steel mesh belt price, stainless steel mesh belt specifications First Ningjin County Chengsheng network belt factory, the factory is committed to: stainless steel mesh belt, mesh belt conveyor, B mesh belt, conveyor chain plate, stainless steel chain , double-pitch chain, curved chain, stainless steel sprocket production and sales, product marketing a number of large machinery manufacturers throughout the country and maintain a good cooperative relationship, welcome customers from all walks of life to consult and purchase!
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