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Views: 0 Author: Site Editor Publish Time: 2025-04-23 Origin: Site
Dual-speed sprayer is a breakthrough equipment in the modern spraying field, which realizes the double improvement of spraying efficiency and precision through the innovative dual-mode power system. Its core principle is based on intelligent speed switching and pressure control, which is widely used in multiple scenarios such as construction, industry, furniture, etc., and has become a key tool for cost reduction and efficiency.
Working Principle of Two-speed Sprayer
The dual-speed sprayer is equipped with a dual-mode power control system, which adapts to different spraying needs by switching between “high-speed” and “low-speed” modes with a single key:
High-speed mode: the motor operates at a high speed of 3000-4000rpm, driving the high-pressure pump to pressurize the paint to 20-30MPa, and realizing wide atomization (spray width 40-60cm) through the large-diameter nozzle, with a flow rate of 5-8L/min. It is suitable for large-area basic spraying, such as the exterior of buildings, automotive primer and other scenarios, and the working efficiency is more than 50% higher than that of the traditional equipment.
Low-speed mode: the motor speed is reduced to 1500-2000rpm, the paint pressure is controlled at 10-15MPa, combined with small-diameter nozzle and auxiliary compressed air (0.2-0.5MPa) to realize fine atomization (particle fineness 50-100μm), the flow rate is as low as 1-3L/min. It is suitable for fine scenes such as furniture top coat, crafts painting, etc., with the error of coating thickness ≤5%, and the utilization rate of paint is increased to 85%. The utilization rate of paint is increased to 85%.
Intelligent control system through the pressure sensor and PLC controller linkage, real-time adjustment of motor power and nozzle flow. For example, it automatically switches to low-speed mode when spraying high-viscosity paints to avoid clogging the gun, and activates high-speed mode when spraying low-viscosity water-based paints to ensure uniform atomization.
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