PCB Baking Oven
  • PCB Baking OvenPCB Baking Oven
  • PCB Baking OvenPCB Baking Oven

PCB Baking Oven

A PCB (Printed Circuit Board) baking oven is an industrial oven that is used to cure or bake electronic components. It is a controlled oven that cures the epoxy or solder mask that is applied to the surface of the PCB, and remove the moisture inside.

Model: TG-9123A
Capacity: 120L
Interior Dimension: 550*350*550 mm
Exterior dimension: 835*530*725 mm

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Product Description


Climatest Symor® PCB baking ovens are available in different sizes to accommodate various materials, and they may also include additional features such as timers to alert the operator when the drying process is finished. PCB baking oven is an important tool in modern electronics manufacturing for optimal quality control and efficient production.




















Interior Dim.










Exterior Dim.










Temperature Range

RT+10°C ~ 200°C

Temperature Fluctuation

± 1.0°C

Temperature Resolution


Temperature Uniformity

±2.5% (test point@100°C)




0~ 9999 min

Power Supply

AC220V 50HZ

Ambient Temperature

+5°C~ 40°C

How does a PCB baking oven work?

A PCB baking oven adopts hot air convection system, hot air is evenly distributed throughout the chamber. The oven is designed to baking electronic components in SMT production line.

When the oven is turned on, a heating element, begins to heat up. As the element gets hotter, it heats up the air inside the oven. This hot air then rises and circulates throughout the chamber, drying the samples or specimens placed inside.

The oven also has fans or blowers that help circulate the air more quickly and uniformly, a temperature controller is used to regulate the temperature inside the oven and prevent overheating.

The PCB baking oven has a timer that allows the user to set the drying time required for the particular samples or specimens. Once the set time finishes, the oven turns off automatically.

Overall, the PCB baking oven is a simple but effective instrument to dry electronic components in electronic manufacturing industries.


A PCB baking oven is a type of oven that uses a blower to circulate hot air inside the oven. The structure of the oven typically consists of the following parts:

Exterior oven: The body of a hot air oven is usually made of cold rolled steel plates for durability and easy maintenance.

Interior oven: The inner oven is the space to place samples. It is also made of stainless steel SUS304, and it is designed to evenly distribute the heated air throughout the chamber.

Heating Element: The heating element is responsible for generating heat inside the oven.

Fan: The fan circulates hot air throughout the oven to ensure even hot air distribution.

Control Panel: The control panel contains temperaturec controller that allow you to adjust the temperature, time, and other settings.

Door: The door is made from tempered glass with a handle that provides easy observation.

Overall, the combination above parts work together to create a uniform and efficient heating in this oven.


Here are some of the key features of a PCB baking oven:

• Even heating: A PCB baking oven uses a system of heating elements and fans to uniformly deliver heat to the surface of the printed circuit board. This ensures that the board is cured or baked evenly, which is important for high-quality electronic components.

• Precise temperature control: A PCB baking oven typically has a digital control panel that accurately regulates the temperature and bake time. This ensures that the board is exposed to the right temperature and time for optimal curing.

• Adjustable racks: A PCB baking oven has adjustable shelves to accommodate different sizes of printed circuit boards. This feature ensures that the boards are evenly spaced and exposed to the hot air for optimal drying.

• Stainless steel construction: PCB baking ovens are constructed of stainless steel on the interior surfaces. This material is durable, easy to clean, and prevents corrosion.

• Safety features: A PCB baking oven features safety measures such as over-temperature protection to protect the oven from overheating.


PCB baking oven is commonly applied in electronic manufacturing industry, to dry electronic components (Printed Circuits Boards), and cure coatings, adhesives, and other materials.

SMD package may get damp due to climate reasons, long-term storage or improper storage, the moisture inside the package will vaporize and expand due to reflow soldering heating, this may cause damages, like wiring disconnection, or reduced reliability, this is called the "popcorn" phenomenon.

In J-STD-033 standard, it suggests SMD packages can be baked at 125 deg C to recover their floor life, the baking time differs as per MSL/package body thickness. The drying oven is the optimal choice, it provides different temperature baking from 50 deg C to 125 deg C, and effectively expel moisture from MSD packages, this greatly helps manufacturers to improve production efficiency, and avoid the huge loss of products recall due to substandard quality.

What causes a PCB baking oven overheat?

There are several causes of PCB baking oven overheating, which include:

•Faulty temperature control: A malfunctioning temperature control system can lead to an overheat situation.

•Interruptions in convection mechanisms: PCB ovens utilize forced air convection mechanisms to provide the heat. If the system is blocked, it is unable to get rid of the heat generated, and this can lead to overheating.

•Damaged heating elements: The heating elements in the PCB oven generate the heat that is necessary for curing the PCBs. When damaged or worn out, these elements can overheat, leading to an overheat situation.

•Overloading the oven: Placing too many PCBs in the oven or loading them too close together can lead to an overheat situation. This is because the lack of space can obstruct the flow of hot air, leading to overheating.

It is important to address any overheat issue with a PCB baking oven immediately. Regular maintenance and checks can help identify and prevent these issues.

Frequently asked questions

Q: How do I clean a PCB baking oven?

A: You can clean the interior of the oven using mild cleaning agents or soapy water, and the racks and trays can be washed in a dishwasher. It is essential to clean the oven regularly to maintain its efficiency.

Q: How does a PCB baking oven work?

A: A PCB baking oven works by circulating heated air to remove moisture from the items placed inside the oven. A fan inside the oven blows air over the heating element, which heats the air. The heated air then circulates around the oven's interior, removing moisture from the items inside.

Q: How do I maintain a PCB baking oven?

A: Maintain a PCB drying oven by performing regular inspections, checking and replacing any worn-out parts, and performing regular cleaning. It is recommended to schedule routine maintenance and checks to ensure the oven remains in working condition.

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