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Valve is an important adjustment device in the fluid transportation system, which can basically control the on-off, flow and flow direction of the fluid. There are many types and specifications of valves, and the valves used for different work requirements are also different. The working principles, advantages and disadvantages of 5 common types of valves are described below.
The commonly used control items on industrial pipelines and equipment mainly refer to some commonly used valves, which are used to control the flow of the medium in the pipeline.
Work holding system with reduced setup time and process variability.
Rapid molding technology is a fast, convenient, and practical mold manufacturing technology. It is especially suitable for the development and trial production of new products, process verification, and functional verification, as well as multi-variety and small batch production.
A pair of molds is composed of an upper mold and a lower mold. The male die is a concave die, also known as the upper die. The design of the male mold is very important, and the structural characteristics of the female mold itself change with the structure of the product and the processing method of the mold, which is flexible.
An injection mold is a tool for producing plastic products; it is also a tool for imparting complete structure and precise dimensions to plastic products. Because the production method is to inject the plastic melted at high temperature into the mold through high pressure and mechanical drive.
A method of transmitting rotational force between two separated shafts using pulleys and belts. The rotation speed ratio is inversely proportional to the diameter of the two pulleys, and it can slide when the load is excessive to prevent mechanical damage.
Hand tools can be divided into wrenches, pliers, screwdrivers, etc. according to their uses, which are used to assist the assembly, maintenance, or tightening and loosening needs of machines or objects.
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