Industry News

Industrial rollers are an important part of mechanical equipment, usually cylindrical in shape, used to transmit power, convey materials or pressurize. The main function of the roller is to transmit power to other parts of the machine or to convey materials through the equipment to the desired location through rotation or rolling action.

Flexographic printing is a widely used printing method, especially for printing materials such as packaging, labels and plastic films. In this printing method, the anilox roller plays a vital role.

There are certain differences in hardness and performance between cemented carbide rollers and tungsten carbide rollers. Tungsten carbide has extremely high hardness, which can reach 70-90 HRC, but due to the brittleness of tungsten carbide itself, its impact resistance and fatigue resistance are relatively weak.

An industrial heating roller is an industrial equipment that heats the roller surface through an internal heating system. An industrial cooling roller takes away the heat from the roller surface through an internal cooling system, so that the contacted material cools quickly.

The high development of modern coating technology has enabled the thickness of tungsten carbide coatings to achieve extremely high customization accuracy, and the error is usually controlled within ±0.01mm. This high-precision thickness control can meet the stringent requirements of industrial equipment for roller performance.

The manufacturing process of industrial cooling roller mainly includes material selection, cylinder forming, internal channel design, surface treatment and precision machining.

Different materials have different performance requirements for corona rollers. For example, plastic films require higher surface energy, while metal foils require higher cleaning effects. Therefore, before purchasing a corona roller, it is necessary to accurately understand the types of materials that are mainly processed on the company's production line.

Vulcanization is the most common way of surface treatment for industrial rubber rollers. It forms a cross-linked structure by heating the rubber to a certain temperature and adding sulfur, thereby enhancing the hardness, heat resistance and wear resistance of the rubber.

The surface of ceramic anilox roller is usually made of highly wear-resistant ceramic materials, the most common of which include aluminum oxide (Al₂O₃), chromium oxide (Cr₂O₃) and silicon carbide (SiC). These ceramic materials have extremely high hardness and corrosion resistance, and can withstand various harsh working environments.

Pros of tungsten carbide rollers: 1. Extremely high hardness and wear resistance 2. Good thermal stability and high temperature resistance 3. Excellent corrosion resistance and chemical stability 4. Strong impact resistance and fatigue resistance 5. Precision machining and high surface quality Cons of tungsten carbide rollers: 1. Brittle and prone to fracture 2. High cost 3. Difficult to process 4. Affected by high temperature 5. Affected by the external environment

Corona roller is a device that uses high voltage to generate corona discharge on the surface of materials, thereby changing the surface properties of materials to enhance their adhesion. It is one of the key components of the corona treatment system, and together with high-voltage power supply, treatment electrode and other components, it constitutes a complete working system.

Water is one of the most common cooling media. Because of its high heat capacity and thermal conductivity, it has been widely used in cooling roller systems. Water has high thermal conductivity efficiency and can quickly take away heat, which is suitable for most industrial scenarios that require large-scale cooling.