How to fix: the deformation of the mast of the electric stacker and electric pallet truck

All-electric stackers and all-electric pallets are our commonly used types of pallets and stackers. Their masts are the main load-bearing structure for lifting the lithium pallet truck. The masts of all-electric stackers and all-electric pallets are overloaded. Or the operation is not standardized and the mast is deformed. How to repair it? Correction method for the mast of all-electric stacker and all-electric pallet truck: Deformation of the gantry of all-electric stacker and all-electric pallet truck can be repaired by using some corrective methods. When the mast is bent or twisted and deformed, static load can be used Correction by cold correction method; when the door frame is bent or deformed too much, it is not easy to correct it with cold pressing. At this time, heating correction can be used. When heating, the heating area should be reduced as much as possible. The heating temperature should generally not exceed 700 degrees Celsius and slowly cool down to avoid Increase the brittleness of the door frame steel. How to repair cracks in the mast of all-electric stackers and all-electric pallet trucks: If cracks are found in the mast of all-electric stackers and all-electric pallet trucks, how to repair them? If the crack is relatively large and deep, it should be returned to the manufacturer for repair at this time. If it is not repaired, it will seriously affect the safety of use; if the crack is small and relatively shallow, it can be repaired by filling welding. The method of repairing small cracks in the door frame by filling and welding: Before repairing, the door frame should be corrected to ensure the inherent straightness of the door frame. After finding the cracks, polish the cracks with a grinder until the metallic luster is exposed, then check carefully to determine the boundary of the crack, drill a 5-￠5mm restricted hole where the boundary extends 100mm, and polish the crack with a grinding wheel Including the groove, when filling welding, it is best to use DC reverse polarity arc welding. The arc should be as short as possible. The electrode is directly 4mm and the DC is about 210-240A. The electrode should be inclined to the direction of movement from 20 degrees to 30 during welding. The fill welding work starts from drilling the through hole to the other end of the crack, and also repairs the weld on the reverse side. The height of the weld should not exceed 1-2mm from the base plane, and the temperature during welding should be above 0 degrees Celsius. The mast of the all-electric stacker is manufactured according to the designed load. The deformation of the mast must be caused by irregular operation or overload. The deformation or cracks of the mast are hidden troubles. If such a situation is found, it should be repaired immediately to prevent unsafe accidents.
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