How Many Types Of Metal Belt That Are Applied For Relowed Soldering?

Jul 01, 2025

The role of reflow soldering mesh belt in the electronics manufacturing industry cannot be underestimated, it is a key component to ensure that the PCB can be evenly heated and successfully completed during the reflow soldering process.
Type ladder belt and balanced weave mesh belt are two metal conveyor belts commonly used in reflow soldering equipment.
The main differences between these two belts are explained in more detail below:

1. Structural design and working principle:
ladder belt, this design is distinguished by its signature ladder structure, which uses the driving force of the sprockets to achieve a smooth conveying action. This simple structure and easy maintenance make it a preferred choice by many manufacturers due to its cost-effectiveness.

The balanced weave belt represents a more advanced design, which is also sprockets-driven, but with a special optimization of the belt flatness and drive accuracy. This high-precision drive system ensures that the PCB remains stable as it passes through the furnace, reducing soldering quality problems caused by uneven belts. The design of the balanced mesh belt makes it particularly suitable for precision electronics manufacturing applications where soldering quality is critical.

2. Material selection and wear resistance:
Ladder belts are usually made of SUS304 stainless steel, which has good heat and corrosion resistance and can adapt to the high temperature environment during the reflow soldering process.

Although SUS304 is already an excellent choice, it still has room for improvement in terms of wear resistance and hardness.
The ladder belt is made of Hardy-2, a special alloy that far exceeds SUS304 in terms of hardness and wear resistance.
The use of Hardy-2 significantly improves belt durability and reduces wear and tear due to prolonged use, thereby extending belt replacement intervals and reducing long-term operating costs.

3. Economic benefits and return on investment:
Due to its low purchase and maintenance costs, it is an ideal choice for manufacturers with limited budgets or strict requirements for cost control. While the initial investment is lower, it may require more frequent maintenance and replacement, which is also a factor to consider when choosing.

Although the balanced wave mesh belt has a high one-time investment at the time of purchase, its excellent wear resistance and stable performance mean that it can bring higher economic benefits in long-term use. By reducing downtime and maintenance costs,balanced wave belts can help manufacturers increase production efficiency and achieve a faster return on investment.

In summary, the ladder belt and the balanced wave mesh belt have their own advantages, and they show different characteristics in terms of structural design, material selection and economic benefits. Manufacturers should make informed decisions based on their production needs, quality standards, and cost budgets when choosing reflow belts. Whether it's a cost-effective ladder belt or a balanced wave belt that focuses on high precision and durability, the right choice will have a positive impact on improving production efficiency and product quality.

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