The Spray Coating Curing Tunnel Oven is an industrial continuous heating and drying system mainly used to cure powder coatings or paint coatings after spraying onto workpiece surfaces. Through high-temperature heating, the coating is melted, leveled, and cured into a uniform protective film with excellent adhesion and durability.It is widely used in automated coating production lines requiring continuous operation, stable temperature control, and consistent coating quality.

Core Applications

1. Automotive Industry

Used for coating and curing processes of:

Vehicle bodies

Wheels

Automotive components

2. Home Appliance Manufacturing

Used for drying and curing sprayed coatings on:

Refrigerator housings

Washing machine shells

Air conditioner casings

3. Hardware and Building Materials Industry

Used for surface coating treatment of:

Aluminum profiles

Security doors

Storage racks and metal structures

4. Electronic and Electrical Industry

Used for curing:

Electronic enclosures

Electrical cabinets

Insulating varnish on transformer coils

Applicable Standards

Safety Standards

Complies with GB 14443 — Safety Regulations for Coating Operations — Safety Technical Requirements for Coating Drying Rooms

Environmental Protection Standards

Complies with:

GB 16297 — Comprehensive Emission Standard of Air Pollutants

Local VOCs (Volatile Organic Compounds) emission control standards

Electrical Safety Standards

Complies with:

GB/T 5226.1 — Electrical Safety of Machinery — Electrical Equipment of Machines

Temperature Uniformity Requirements

The furnace temperature uniformity generally follows industry requirements, ensuring that the temperature difference within the effective heating zone is controlled within ±3°C to ±5°C.

Main Features

1. Continuous Production

The equipment adopts conveyor-based production line operation and can be integrated with upstream spraying systems to achieve automated large-scale coating production.

2. Uniform Heating Performance

The system mainly adopts hot air circulation technology to maintain stable furnace temperature and ensure high-quality coating melting, leveling, and curing.

3. Energy Efficient and High Performance

The oven body uses high-density insulation materials and is equipped with:

High-efficiency burners or heating elements

Optional waste heat recovery systems

to improve thermal efficiency and reduce energy consumption.

4. Intelligent Control System

Equipped with:

PLC control system

Touchscreen operation interface

Multi-zone independent temperature control

Over-temperature alarm function

to ensure stable and intelligent operation.

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