Box Type Powder Coating Curing Ovens

Box type ovens are industrial ovens designed for curing and baking parts after electrostatic powder coating application, operating on batch (intermittent) production principle. In this system, painted parts are loaded into the oven with hangers or carrier cart groups, and curing is performed at specified temperature (160-220°C) ve sürede (15-30 minutes) Acrotech box type ovens are preferred in low-medium capacity production facilities due to their high efficiency, space saving and low initial investment cost.

How Does a Box Type Oven Work?

In box type ovens, after the painted parts are loaded into the oven, the lid is closed and the oven automatically starts heating. The thermoblock heating unit inside the oven generates heat from ambient temperature up to +230°C. The radial fan system provides homogeneous heat distribution through air channels and vents extending along the oven. At the end of the curing time, the oven automatically signals and the parts are left to cool. In this way, the powder coating permanently adheres to the surface through chemical reaction and forms a durable finish.

Technical Specifications and Design

Oven Panels

Oven panels are insulated with 150mm insulation material as standard. Insulated with 50mm rock wool (53 kg/m³) from the inner side and 120mm glass wool from the outer side. Bu yalıtım özelliği sayesinde, ısı kayıpları ambient temperaturenın (±10)°C üzerine çıkmaz. Thus, our ovens consume less fuel and do not overheat the working environment.

Oven inner sheet is manufactured from 1.2mm ST 37 Galvanized, outer sheet from 1.2mm ST 37 material. The outer sheet is coated with electrostatic powder coating to increase corrosion resistance.

Air Circulation

Air circulation inside the oven is provided by radial type fan, air channels extending along the oven and vents placed in the channels. This system achieves homogeneous heat distribution inside the oven and guarantees that all parts are cured at equal temperature.

Air flow can be optimized with adjustable vents, which adapts to different part geometries.

Heat Control

Heat control is performed with the thermocouple placed in the oven. The oven automatically signals when it reaches the desired temperature. Precise adjustment between 0-230°C can be made with the digital timer on the heat control panel.

Parameters such as time, temperature and fan speed can be easily programmed and saved with the PLC control system.

Heating Unit and Efficiency

Acrotech heating exchangers are designed on the basis of maximum efficiency and minimum fuel consumption. Oven arka kısmına monte edilen termobloklar, fırın sıcaklığını ambient temperaturendan +230°C'ye +230°C. Boiler exchangers are manufactured from 310 grade stainless steel and are 1000°C'ye resistant.

The smoke pipes used in thermoblocks are normalized seamless smoke pipes. The thermoblock is placed inside the combustion chamber and surrounded by 150mm rock wool. There is an access panel for thermoblock malfunctions on the combustion chamber. There is a turbine fan in the combustion chamber that distributes heat to the oven. Combustion efficiency can be monitored through the thermoblock inspection hole.

Box Type Oven Advantages

Low initial investment cost: 40-50% more economical compared to continuous lines
Flexible use: Parts of different sizes and shapes can be processed
Low fuel consumption: Energy savings with strong insulation
Easy maintenance: Simple construction, long life

Space saving: Compact design
Demountable structure: Easy installation and portability
Homogeneous curing: Even heat distribution
Safe operation: Automatic temperature control system

Application Areas

Box type ovens are especially preferred in low-medium capacity production facilities:

Metal furniture: Office furniture, cabinets, shelf systems
Machine manufacturing: Industrial equipment parts, pumps
Automotive: Small batch automotive spare parts production
White goods: Low capacity production lines
Construction sector: Doors, windows, building elements

Technical Specifications

Temperature Range	0 - 230°C (adjustable)
Curing Time	15-30 minutes (depending on part thickness)
Heating System	Natural gas / Electric / Diesel
Heat Distribution Precision	±10°C
Insulation Thickness	150mm (50mm rock wool + 100mm glass wool)
Panel Material	Inner: 1.2mm Galvanized / Outer: 1.2mm ST37 (Powder coated)
Control System	Digital thermostat / PLC (optional)
Structure	Demountable, chassis mounted

All work is inspected by our engineers.

BOX TYPE OVEN DIMENSIONS (PDF)

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