Insert Bearings:
Insert bearing can be conveniently mounted and dismounted and can align. Its standard tolerance is the summation of inner diameter and tolerance or the difference of outer diameter and tolerance. The summation of inner diameter and tolerance ensures the lightness when and cooperates with the shaft. In addition, every insert bearing is not alone to use which must be installed with the bearing block as a whole.
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The whole is suitable for a variety of structural location due to its various shapes of bearing block. Our product can be divided into three categories which are apical paraphysis insert bearing, tapered insert bearing and eccentric bushing insert bearing.
After scouring, finishing the biological enzyme scouring method to improve the surface effect
After being scoured and bleached, the nonwoven fabric made from cellulose fibers becomes not only visually clean and highly white but also exhibits excellent water absorption, wetting properties, softness, and the ability to absorb both fuel and finishing agents. Using a process of equal performance can lead to significant variations in the final product. This makes the scouring and bleaching steps especially crucial for the production and development of nonwoven sanitary products.
Enzymatic scouring is a refining technique that not only preserves the structural integrity of cellulose but also minimizes damage to the surface of the nonwoven fabric. When agitation is applied during the enzymatic scouring process, the overall effectiveness of the treatment can be significantly enhanced.
Cotton fiber, a natural cellulose fiber widely used in nonwoven fabrics, contains natural impurities that vary depending on the origin and maturity of the raw cotton. The main goal of scouring is to remove these impurities—whether natural or artificial—such as waxy substances found in natural cotton or oils and lubricants left on synthetic fibers after spinning. Removing these impurities improves the fabric’s wetting and water absorption properties, enhances the appearance of the finished product, and prevents interference with dyeing and finishing processes.
Since traditional scouring methods are not well-suited for nonwoven fabrics, bulk fiber processing is typically used when scouring is required. During the scouring process, the temperature must be at least 100°C, and ideally between 120°C and 130°C if the equipment allows. These conditions ensure that impurities are effectively removed and that the fabric achieves optimal water absorption.
With a fixed amount of scouring agent, increasing the temperature improves impurity removal and reduces the time needed for the process. Conversely, lower temperatures require longer scouring times. Enzymatic scouring is a rapidly growing technology in the textile industry. Unlike traditional methods, which require large amounts of water for rinsing and generate significant wastewater, enzyme-based scouring is more environmentally friendly. It efficiently removes impurities while reducing environmental impact.
In addition, enzymatic treatment does not harm the cellulose structure and causes minimal damage to the fabric’s surface. Proper mixing techniques during the process can further enhance the scouring effect. By incorporating agitation during enzymatic scouring, the process time can be shortened, the enzyme dosage reduced, and the quality of the nonwoven fabric improved.