What are the functions of the mixing part of the stainless steel sigma kneader mixer

The mixing part of the stainless steel kneading machine mainly has the following functions:

Material mixing

Mix multiple different materials evenly together. For example, in rubber processing, it is necessary to mix various raw materials such as raw rubber, carbon black, sulfur, and accelerators. The kneading part uses the movement of stirring blades and other components to fully contact these different material particles in three-dimensional space, breaking their original aggregation state. Just like when making a cake, mix flour, sugar, eggs and other ingredients thoroughly to ensure that each part contains various ingredients, thus ensuring the uniformity of product quality.

Material dispersion

For materials containing agglomerated particles, the kneading part can effectively disperse the agglomerated particles. For example, in the process of pigment production, pigment particles may aggregate together due to factors such as static electricity. Under the action of the kneading part of the kneading machine, the shear force of the stirring blade can break these aggregates, allowing the pigment particles to be evenly dispersed in other media. This way, when using the pigment in the future, a product with uniform color can be obtained.

Promote chemical reactions

Many chemical reactions require sufficient contact between reactants to proceed smoothly. The kneading part can highly mix the materials involved in the reaction, increasing the contact area and opportunities between the reactants. Taking the polymerization reaction of polymer materials as an example, after the monomers and initiators are fully mixed in the mixing part, the polymerization reaction can be carried out better, the reaction efficiency can be improved, and the reaction can be carried out more uniformly, thereby improving the performance of products such as the strength and toughness of plastic products.

Kneading and plasticizing

In fields such as plastic processing, the kneading part can knead and plasticize materials. It can subject materials to certain shear and friction forces while mixing, gradually softening and plasticizing the materials. For example, when processing PVC plastic, the kneading part can fully mix PVC resin with additives such as plasticizers under heating conditions, and the PVC resin will gradually plasticize under the action of mechanical force, forming a material with certain fluidity and plasticity, preparing for subsequent molding processing.

Remove bubbles

During the mixing process, air bubbles may form due to stirring and other operations. Reasonable design and operation of the kneading part can help remove these bubbles. For example, in the mixing of some paste like materials, the shape and movement of the stirring blade can gradually raise bubbles to the surface of the material and rupture, thereby improving the density of the product and preventing quality problems caused by bubbles during use. For example, in the production of sealant, reducing bubbles can improve the sealing performance of the sealant.