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In most manufacturing and processing scenarios, the raw material supply workflow between raw material storage area and production feeding points presents typical frequent start-stop features. Normally, the driving distance of each transfer trip is 50 to 200 meters, and the start-stop frequency can reach 20 to 35 times per hour during peak production periods, which is quite different from the long-distance continuous handling scene in traditional large warehouses. Unmatched operation rules will easily cause accelerated battery attenuation, increased component wear and unplanned downtime, and fail to guarantee stable material supply for subsequent production lines.
Before the electric forklift is officially put into this workflow, operators need to complete targeted parameter debugging first. According to the average load weight of daily transfer, the peak daily start-stop times, and the gradient condition of the driving path, adjust the power output preset gear of the vehicle, do not keep the maximum power output gear for long-time no-load short-distance transfer, which will cause unnecessary power consumption. It is also necessary to reserve 15% of the extra battery endurance for the peak operation period of the day, to avoid sudden power shutdown when the material supply is most needed.
For daily operation specifications, forklift drivers should confirm the transfer path before receiving each material supply instruction, avoid repeated sudden acceleration and sudden braking in the driving section, keep the start and stop movements gentle, and keep no less than 2 seconds of buffer time from static parking to full operation, so as to reduce the excessive instantaneous current fluctuation of the driving motor. When the forklift returns to the standby area after finishing a feeding task, do not directly cut off the main power of the vehicle, keep the low-voltage auxiliary system in standby state to wait for the next transfer instruction, which can effectively reduce the wear of repeated startup and shutdown on electrical components.
As for targeted daily maintenance, besides routine appearance cleaning and tire condition inspection after daily operation, the temperature state of motor wiring terminals should be checked additionally to eliminate hidden dangers of excessive load caused by frequent instantaneous current impact. Operators need to check the wear allowance of brake system parts every 7 days, establish a daily account of battery cycle times, adjust the proper charging time according to the actual operation condition, and avoid deep discharge of the battery. Scientific and targeted application rules can effectively reduce the non-planned downtime of electric forklifts in this specific scenario, improve the smoothness of the whole raw material supply workflow, extend the overall service life of the vehicle, and reduce the total operation cost of the site.
