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FDL Double shaft mixer: An Efficient Assistant in Adhesive Production
Apr 14, 2026
In the field of adhesives, the viscosity and density of materials are often major challenges in production. The FDL double shaft mixer is designed for heavy-duty and high-viscosity products. It is efficient at dispersing and mixing, improving both speed and product quality. This is achieved through its unique dual-axis collaborative mechanism.
The FDL double shaft mixer is a precise dispersion mixing system. Its dual power structure combines a scraper agitator and a high-speed disperser. The low-speed scraper mixer flips materials on a large scale, prevents sedimentation, and scrapes off material from the barrel wall for macroscopic mixing. The high-speed disperser provides a strong shear force, crushing agglomerated particles and refining material fineness for micro dispersion. Two agitators work at the same time. Together, the strong shear force and mixing force quickly and uniformly mix materials. This fast-and-slow, cut-and-flip design solves the challenge where a single mixing method cannot balance dispersion fineness and mixing uniformity.
Adhesive production usually faces problems such as high viscosity, easy wall sticking, and many bubbles. The most headache-inducing problem in the production of high viscosity adhesives is the adhesion of materials to the container wall, forming blind spots, resulting in waste of raw materials and unstable batch quality. FDL adopts a precise PTFE scraper design. These scrapers are tightly attached to the inner wall of the container, and as the mixing shaft rotates, they continuously scrape off the material adhered to the wall and force it into the mixing center. In order to match this design, the inner wall of the container has undergone precision turning and mirror polishing treatment. This high-precision inner wall treatment ensures that the scraper can scrape off all sticky wall materials without omission, achieving true residue-free mixing, greatly improving mixing efficiency, and ensuring consistency in color and texture of different batches of products.
Different adhesive formulations, such as epoxy resin, polyurethane, acrylic ester, etc., have different rheological properties. FDL has demonstrated strong adaptability. According to the characteristics of the material, anchor or butterfly mixers can be selected to meet different flipping requirements. For the requirement of dispersion fineness, a dual disc, single disc, or Neumann disc can be configured to produce the best cutting effect.
The stability of the equipment is crucial for handling heavy products with viscosity up to 150000 CPS. The FDL double shaft mixer adopts a sturdy, heavy-duty structural design. The large-area bed board provides extremely high stability and is usually installed directly underground to eliminate vibration at the root. Equipped with bolts that fix the mixer and spindle, it not only enhances rigidity but also facilitates future disassembly and cleaning. The combination of precision mechanical design and stable base achieves a vibration-free and low-noise operating environment, which meets the environmental requirements of modern factories.
In order to adapt to the modern production pace, FDL has made significant optimizations in terms of operational convenience. Whether it is a single-tank operation or a multi-tank rotation, the hydraulic system can smoothly raise, swing, and lower the machine head, greatly reducing the labor intensity of workers. In order to prevent safety accidents caused by tank displacement, the equipment provides multiple clamping options, including belt clamping, manual rotation clamping, and pneumatic clamping. These designs ensure the absolute stability of the mixing tank during intense stirring.
FDL provides advanced configuration options to meet the special process requirements of the adhesive industry. A vacuum system can be provided as required to remove bubbles during the mixing process, prevent the formation of pores after the adhesive solidifies, and improve the density of the product. Considering the flammable and explosive properties of solvent-based adhesives, FDL can provide equipment that complies with ATEX II 2GD c IIB T3 standards. This means that the motor and electrical components have undergone explosion-proof treatment to ensure production safety in hazardous areas.
The FDL double shaft mixer is designed specifically for dispersing or mixing various difficult products. In the adhesive industry, it is particularly suitable for the production of structural adhesives, requiring high shear forces to disperse fillers such as calcium carbonate and glass microspheres. Also suitable for sealant manufacturing, requiring vacuum defoaming and strong flipping to prevent gel delamination. For conductive adhesive and thermal conductive adhesive, the requirement for mixing uniformity is extremely high, and any dead angle may lead to performance failure. FDL is also capable of handling it.
Investing in FDL means choosing higher production efficiency, double shaft mixer simultaneous operation, and shortening the mixing cycle. Means better product quality, no dead corners, no bubbles, and even fineness. Means lower labor costs, hydraulic lifting, and automatic cleaning design, reducing manual intervention. Means a safer production environment, explosion-proof design, and stable structure, eliminating safety hazards.
The FDL double shaft mixer has become the preferred choice for many chemical enterprises due to its high-quality tested and validated parts, precise manufacturing processes, and deep understanding of high viscosity materials. Whether it is the ability to handle materials with ultra-high viscosity of 150000 CPS or the rigorous safety design that complies with ATEX standards, FDL has demonstrated its strength as an efficient dispersing and mixing agent.
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