What Is Fiber Opening Machine and Its Uses A fiber opening machine is a machine that is used to separate fibers from raw materials such as cotton, wool, or synthetic fibers. The machine uses a series of rollers or combs to pull the fibers apart and create a uniform, fluffy mass of fibers known as a "web." The fibers can then be processed further, such as being spun into yarn or used to create nonwoven fabrics. These machines are often used in the textile industry to prepare fibers for spinning or other manufacturing processes. Uses Of Fiber Opening Machine Fiber opening machines are used in the textile industry to prepare fibers for spinning or other manufacturing processes. The fibers can be natural, such as cotton or wool, or synthetic, such as polyester or nylon. Some specific uses of fiber opening machines include: