Zhongwang CAD Machinery SE Edition efficiently solves two problems of collaborative management and safety

In April of this year, Zhongwang Software launched its latest product for mechanical design: Zhongwang CAD Machinery SE Edition. This is the first professional CAD software in China that integrates mechanical design, EDM document management, and encryption security control. It not only meets the needs of users in mechanical design but also addresses two major challenges: collaborative management and data security in CAD design. Within three months of its market release, numerous companies have adopted and started using it. The SE version of Zhongwang CAD Machinery includes several key components: the Zhongwang CAD+ platform, Zhongwang Machinery, Zhongwang EDM Document Management (also known as Teamvault), and Zhongwang DWG Encryption. Among these, the document management and encryption features are innovative, offering new value to users. Let’s take a closer look at these two important functions. **EDM Document Management Enhances Design Efficiency** The EDM diagram document management system in the SE version of Zhongwang CAD Machinery is designed to solve common issues faced by enterprise users during team collaboration and product safety. By using a centralized file storage approach, all data is stored in an SQL database, which significantly improves information sharing and accessibility. The system offers a comprehensive role-based access control strategy, making project management more efficient than traditional folder-based methods. The model definition tool allows users to easily create roles and assign permissions based on folders, ensuring clear responsibilities among team members. Once roles and permissions are defined, the checkout and check-in mechanism ensures exclusive access to files during the design process. When a user checks out a file, others cannot access it until it is checked back in. This prevents conflicts and maintains file integrity. Additionally, the system supports version management, keeping track of every change made to a drawing. Users can review the design history and compare different versions to see what changes were made. The EDM interface also visually displays the assembly structure and component types in a tree format, allowing quick searches across large datasets. Other useful tools include batch import, data export, and automatic layout features, all of which enhance user efficiency and streamline the design process. **DWG File Encryption Ensures Greater Security** Unlike traditional "external" encryption methods used by other software, Zhongwang CAD Machinery SE Edition employs "internal" encryption technology at the CAD level, providing stronger protection for users’ drawings. This encryption is integrated with the EDM document management system. The Zhongwang CAD platform automatically encrypts files without requiring any additional monitoring programs. Only authorized users can view or edit the designs. Even if a file is copied, it remains inaccessible without proper decryption. The system includes special de-privilege permissions, meaning only those with authority can decrypt and share the drawings. The encryption settings are managed through the server-side model definition tool. When a user enables encryption, their CAD session will display an “SE” label in the title bar. All files saved under this mode are automatically encrypted. These files can only be edited by clients logged into the same server with encryption enabled. For external sharing, the drawings must be uploaded to the EDM system and decrypted by an authorized user. If a user disables encryption, the “SE” label disappears, and the encryption feature is turned off. **Summary** As CAD technology continues to evolve, software solutions are becoming increasingly specialized to meet the diverse needs of enterprises. Since its launch, Zhongwang CAD Machinery SE Edition has become a powerful tool for small and medium-sized businesses looking to improve efficiency in design and project management. Many users have praised the software, saying: “This CAD software effectively solves multiple issues related to design, document management, and security encryption, making it an invaluable asset for improving productivity.”

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Site Selection for Mass Flow Meter Installation
a) Sensor stays away from mechanical vibration source, for example, pump. Use flexible pipe to connect meter with pipeline if inevitable. The housing of meter must be standalone, out of touch with any other device. There must be 3 times the size of sensor between 2 sensors if there are many flow meters on the same pipeline, to avoid resonance.
b) Do not install sensor on pipeline that easily expands with hot and contracts with cold, especially near expansion joint, which leads to a worse stability.
c) Sensor stays away from industrial electromagnetic field, such as large generator and transformer, better 5m at least. Such device influences the performance of drive coil and pickoffs. Make sure magnetic field intensity less than 400A/m.
d) Sensor shall be installed on lower pipeline, to be easily full of fluid.
e) Make sure Ex-mark meet application requirements if in hazardous area.
f) Build a sunshade if the meter is under direct solar radiation. g) Keep the meter from corrosive liquid.

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