1. Guangdong famous brand "RKM" Huizhou Akma idler adopts non-contact labyrinth seal five-fold dust-proof and waterproof structure. The inner and outer seals form a complex, curved and narrow labyrinth channel, and high-quality grease is injected into the channel. , Outer sealing ring configuration, wear-resistant, rubber sealing ring, effectively prevent moisture and dust from entering, accurate structural design and sophisticated process seals are the symbols of our rollers, the rollers not only rotate flexibly, but also have effective dustproof and waterproof protection, It is suitable for conveyor belts conveying large quantities, high speed and dusty bulk materials.

2. The structure of RKM idler is shown in Figure 1. It adopts the combined structure of steel parts, which is mainly composed of idler tube body, idler shaft, bearing, bearing seat, seal and other main parts through a series of assembly and combination. The inner and outer labyrinth double seals are adopted, which has good dustproof and waterproof performance.