Generally speaking, the curved rail is a device that ensures that the moving object moves along a predetermined path. The guide rail can be composed of two parts: a guide rail and a slide block or a slide shoe. The guide rail is usually fixed on the guide surface. The slide block or slide shoe...

What is the function of a variable speed pulley? A pulley is a mechanical device used in hoists, lifts, and cranes to increase or decrease the power required to move an object. The rope or cable is wound around the wheel and attached at both ends to the object being lifted. As the wheel turns...

The heat insulation shield is a cap with different thicknesses and heat resistance used on the surface of the device to protect from high temperature. It is usually made of polyester, fiberglass, paper, or other polymer materials. The plastics that are used commonly are PEEK and Pi plastic, the most important factor is the properties...

Acetal is a thermoplastic polymer, known under the trade names Delrin, Celcon, or POM, which offers high tensile strength and stiffness. It is often used in applications such as ball bearings and gears where resistance to wear is important. In Keward, we can provide you with plenty of sized and colored Acetal rods, sheets, and...

What is the transportation screw? A transportation screw, also known as a transportation plug or transportation bolt, is a kind of non-standardized threaded fastener that can be fastened on the top of the load. With the development of the economy, more and more equipment is needed to carry in order to save time and money...

The IVD piston pump is a special pump for intravenous infusion. The IVD piston pump is mainly a special pumping device with a piston rod connected with the moving parts of the motor to make reciprocating movements in the pump. It is usually installed next to valves, pressure vessels, pipelines, and other components whose flow...

The electronic connector is a device that connects two or more electrical circuits together. The only requirement for it to be an electronic connector is that it can transmit a signal from one circuit to another. Most connectors are made up of one or more plugs and corresponding jacks, but they can also be made...

The compressor disc is usually made of aluminum with a special type of paint or polymer. It is mainly used in air conditioners and refrigeration equipment, and also used in other industries such as cars, trucks, and ships. The compressor disc has two parts: the sealing part and the supporting part. The sealing part has...

A bearing retainer is a device used to secure or retain the bearings or rolling elements of a machine tool.  The main function of a bearing retainer is to improve the efficiency of rotating machinery by ensuring that the bearings are properly positioned and secured in place. A common bearing retainer usually uses metal, but...

We have to choose our material very carefully when deciding to use PEEK or Ultem to produce our radome. These two materials are the best for the job. If we don’t choose them, we will fail or fall back because these materials are a lot stronger than the other ones that can be made for...

If you are a regular reader of High-Performance Liquid Chromatography (HPLC) articles, you have surely heard about PEEK plastic components used in HPLC instruments. Did you know that peek plastics are the preferred material for HPLC instrument manufacture? The main reasons for this preference to use PEEK as a source of materials for manufacturing HPLC...

A shaft sleeve is a bearing housing for engine spindles. It is fitted over the piston pins and is used to hold the engine bearings in place. These sleeves make sure that the connecting rod bearings get proper lubrication along with the rotation of the big end. Well, this application is kinda similar to the...