Standard part templates in the library typically come in two main forms: one is a standard part family template that includes various specifications, and the other is a standalone standard part template stored directly in the library. In CAD software, the way these templates are instantiated can differ significantly. In UG, for example, the modeling process varies depending on which form of template is used. For parts within a standard part family, the part family method is employed, where different-sized components are created as instances within the same family. When calling these parts, each instance represents a specific member of the family. On the other hand, for the second type of template file, a more traditional modeling approach is used. During the calling process, the template is adjusted to the required size and then cloned into the current assembly directory, ensuring that the original template in the standard part library remains unaffected. Reusable assembly design plays a crucial role in maintaining proper assembly relationships throughout the design process, but it can also be time-consuming and error-prone. If all assembly relationships and parameters are manually defined by the user, especially in complex assemblies with many components, there is a high risk of mistakes or omissions. To address this challenge, numerous studies have been conducted in recent years on automated assembly techniques both domestically and internationally. Approaches such as parameterized component-based assembly and feature-based assembly have been proposed. This paper focuses on encapsulating assembly knowledge during the design process, including assembly relationships and features, and integrating parametric standard parts to achieve an automated assembly process—specifically, automatic assembly based on the reuse of assembly relationships. An assembly feature refers to a set of geometric and functional information related to the assembly, embedded within a standard part. This approach not only enhances efficiency but also improves consistency and accuracy in the assembly process. By leveraging pre-defined relationships and features, designers can streamline the creation of complex assemblies while reducing the need for repetitive manual work. Moreover, it allows for greater flexibility, as changes to one component can automatically propagate through the entire assembly, maintaining alignment with the overall design intent. As a result, this method supports more scalable and maintainable design workflows, particularly in industries where large-scale and repetitive assembly tasks are common.
Ball valve is evolved from the plug valve, its opening and closing parts as a ball, using the ball to rotate 90 degrees around the axis of the stem to achieve the purpose of opening and closing, the difference is that the cock body is a ball, with a circular through hole or channel through its axis. The ratio of the sphere to the passageway should be such that when the ball is rotated 90 degrees, the inlet and outlet should be completely spherical, thus cutting off the flow.
The role of ball valve in the pipeline is mainly used to cut off, distribute and change the direction of media flow, designed into the V-shaped opening ball valve also has good flow regulation function.
Ball valve is not only simple in structure, good sealing performance, but also in a certain nominal range of small volume, light weight, less material consumption, small installation size, and driving torque is small, easy to operate, easy to realize rapid opening and closing, is one of the fastest developing valve varieties in recent decades. Especially in the United States, Japan, Germany, France, Italy, West, Britain and other industrial developed countries, ball valves are widely used, the variety and number of use is still continuing to expand, and to high temperature, high pressure, large mouth, high sealing, long life, excellent regulatory performance and a valve multifunctional direction, its reliability and other performance indicators have reached a higher level, And has partially replaced Gate Valve, Globe Valve, Regulating Valve.
Ball Valve,Electric Ball Valve,Pneumatic Ball Valve,High Pressure Ball Valve WUXI KVC-VALVE , https://www.wxkaiweixi.com