China Drying Newsletter From January 12 to 13, the Lanzhou Institute of Chemistry, Institute of Acoustics Northwestern Polytechnical University and the National Natural Science Foundation of China's key project “Interface Drag Reduction and Surface Behavior Mechanism†passed the project of the National Natural Science Foundation of China. The final acceptance by the Ministry of Materials Science organization. This project investigates the relationship between surface characteristics and special shape structures of hydrophobic/super-hydrophobic coatings and fluid resistance, flow noise, and marine bio-adhesion, the mathematical model of hydrophobic/super-hydrophobic surface flow field, and the fluid interface with engineering application value. Major progress has been made in the technologies and methods for drag reduction, noise reduction and anti-fouling, which has broken through the application bottleneck of surface coating technology that combines the functions of drag reduction, noise reduction, and anti-fouling to improve drag reduction and flow noise reduction in fluids in China. The technical level of marine anti-pollution and anti-corrosion provides a good theoretical basis and technical support. this project. During the implementation of the project, it won one provincial and ministerial second prize, applied for 20 national invention patents (have authorized 9), published 104 academic papers (including 73 SCI papers), and promoted related high-tech work and industrial applications. Research.
Tiltrotator testing is the process of evaluating the performance, functionality, and safety of a tiltrotator attachment used in construction equipment, such as excavators. A tiltrotator is a hydraulic attachment that allows the operator to rotate and tilt the bucket or other attachments, providing increased flexibility and efficiency in various construction tasks.
An excavator attachment is a tool or accessory that can be attached to an excavator to enhance its functionality and performance. These attachments are designed to perform specific tasks and can be easily attached and detached from the excavator, depending on the job requirements. Some common excavator attachments include:
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During tiltrotator testing, various aspects are assessed, including:
1. Rotation and tilt capabilities: The attachment's ability to rotate and tilt smoothly and accurately is evaluated. This involves testing the range of motion, speed, and precision of the tiltrotator.
2. Load capacity: The attachment's load-bearing capacity is tested to ensure it can handle the specified weight limits. This involves subjecting the tiltrotator to various loads and evaluating its performance under different conditions.
3. Hydraulic system performance: The hydraulic system responsible for controlling the tiltrotator's movements is tested for efficiency and reliability. This includes assessing the responsiveness of the hydraulic controls and evaluating any potential leaks or malfunctions.
4. Safety features: The tiltrotator's safety features, such as overload protection, emergency stop mechanisms, and locking mechanisms, are tested to ensure they function properly and provide adequate protection for the operator and surrounding personnel.
5. Durability and endurance: The attachment is subjected to rigorous testing to evaluate its durability and endurance under real-world construction conditions. This involves simulating various work scenarios and assessing the tiltrotator's ability to withstand wear, tear, and potential damage.
6. Compatibility and integration: Tiltrotators are designed to be compatible with specific excavators or other construction equipment. Testing involves verifying the attachment's compatibility with the designated machinery and assessing its integration and ease of installation.
Tiltrotator testing is crucial to ensure the attachment meets performance standards, adheres to safety regulations, and functions reliably in construction applications. It helps identify any design flaws, manufacturing defects, or operational issues that need to be addressed before the tiltrotator is used in the field.
1. Bucket – used for digging and moving materials
2. Grapple – used for picking up and moving large objects
3. Auger – used for drilling holes
4. Hammer – used for breaking rocks and concrete
5. Ripper – used for breaking up hard soil or rock
6. Shears – used for cutting through metal or concrete
7. Tiltrotator – used for rotating and tilting the bucket for more precise digging
8. Thumb – used for gripping and holding objects
9. Rake – used for clearing and leveling land
10. Compactor – used for compacting soil or other materials.