Painting Production Line for Himile Precision Locking Discs
Himile Precision Machinery Co., Ltd. planned to build a new painting production line in 2021 for locking discs. The line was designed with a capacity of 20 pieces per day (based on a single 8-hour shift) and a production cycle of 10 minutes per piece, specifically tailored for handling large locking disc workpieces with an outer diameter range of Φ1050–Φ1450 mm and a maximum weight of 3000 kg.

The main equipment of the production line includes through-type shot blasting machine, sanding room, spraying booth (manual touch-up and robotic automatic spraying), flash-off room, drying oven, cooling chamber, air supply system, conveyor system, dust collector, VOC exhaust gas treatment system, electrical control system.
The production process employs a “three-coat, three-bake" system to ensure that the primer, intermediate, and topcoat meet the specified film thickness requirements. Spraying utilizes a dry cardboard box overspray collection method and is divided into manual and automatic spraying zones. Paint is supplied via an automatic mixing system. When switching between different paint brands, manual cleaning of the corresponding supply system is required due to variations in paint properties. The spraying robots used for automatic painting are equipped with safety features such as entry electrical safety barriers and safety door switches. Workpieces are conveyed into the spray booth, where their model and color are read. The workpiece rotates while being sprayed, enabling targeted paint application.
The drying oven is a pulse-type straight-through furnace with a total of 10 stations. Given the large mass of the workpieces and the pulse-type conveyor mode, a combined heating method of thermal radiation and hot air circulation is adopted to achieve rapid heating upon entry while avoiding localized overheating from radiation. The first four stations utilize thermal radiation as supplementary heating.
This production line integrates advanced automated spraying equipment, intelligent conveyor, control system, and waste gas treatment devices. It successfully achieves automation, intelligence, and environmental sustainability. Not only does it fully meet the annual production targets and coating quality requirements, but it also ensures environmental compliance through its VOC treatment system using "activated carbon adsorption + catalytic combustion," reflecting the company's commitment to social responsibility.

Painting Production Line for Himile Precision Locking Discs
Himile Precision Machinery Co., Ltd. planned to build a new painting production line in 2021 for locking discs. The line was designed with a capacity of 20 pieces per day (based on a single 8-hour shift) and a production cycle of 10 minutes per piece, specifically tailored for handling large locking disc workpieces with an outer diameter range of Φ1050–Φ1450 mm and a maximum weight of 3000 kg.

The main equipment of the production line includes through-type shot blasting machine, sanding room, spraying booth (manual touch-up and robotic automatic spraying), flash-off room, drying oven, cooling chamber, air supply system, conveyor system, dust collector, VOC exhaust gas treatment system, electrical control system.
The production process employs a “three-coat, three-bake" system to ensure that the primer, intermediate, and topcoat meet the specified film thickness requirements. Spraying utilizes a dry cardboard box overspray collection method and is divided into manual and automatic spraying zones. Paint is supplied via an automatic mixing system. When switching between different paint brands, manual cleaning of the corresponding supply system is required due to variations in paint properties. The spraying robots used for automatic painting are equipped with safety features such as entry electrical safety barriers and safety door switches. Workpieces are conveyed into the spray booth, where their model and color are read. The workpiece rotates while being sprayed, enabling targeted paint application.
The drying oven is a pulse-type straight-through furnace with a total of 10 stations. Given the large mass of the workpieces and the pulse-type conveyor mode, a combined heating method of thermal radiation and hot air circulation is adopted to achieve rapid heating upon entry while avoiding localized overheating from radiation. The first four stations utilize thermal radiation as supplementary heating.
This production line integrates advanced automated spraying equipment, intelligent conveyor, control system, and waste gas treatment devices. It successfully achieves automation, intelligence, and environmental sustainability. Not only does it fully meet the annual production targets and coating quality requirements, but it also ensures environmental compliance through its VOC treatment system using "activated carbon adsorption + catalytic combustion," reflecting the company's commitment to social responsibility.
