The equipment composition of the ground chain electrostatic automatic coating line for motorcycle aluminum alloy wheel coating is mainly determined by the process flow, plant size, plant layout and production capacity. Due to the small size of the workpiece and large output, the equipment mainly includes pretreatment and cleaning system, pure water production system, fuel moisture drying and curing heating system, water purification system and so on It is composed of ground chain support and conveying drive system, fixed gun tracking spraying electrostatic automatic spraying system, wastewater treatment system and other related auxiliary equipment.